CN104778357A - Estimation method for typical design application rate of power distribution network engineering - Google Patents

Estimation method for typical design application rate of power distribution network engineering Download PDF

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Publication number
CN104778357A
CN104778357A CN201510166002.2A CN201510166002A CN104778357A CN 104778357 A CN104778357 A CN 104778357A CN 201510166002 A CN201510166002 A CN 201510166002A CN 104778357 A CN104778357 A CN 104778357A
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engineering
distribution network
utility ratio
modular design
china
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CN104778357B (en
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宋毅
吴志力
薛振宇
靳夏宁
史梓男
李红军
龙桂鸣
杨露露
金强
马唯婧
贡晓旭
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State Grid Corp of China SGCC
State Grid Economic and Technological Research Institute
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State Grid Corp of China SGCC
State Grid Economic and Technological Research Institute
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Abstract

The invention relates to an estimation method for the typical design application rate of power distribution network engineering. The method comprises the following steps: (1) calculating a power distribution engineering typical design application rate eta in the power distribution network engineering; (2) calculating an overhead line engineering typical design application rate eta in the power distribution network engineering; (3) calculating a cable line engineering typical design application rate eta in the power distribution network engineering; (4) calculating a power distribution network engineering typical design application rate eta; (5) judging the typical design application situation of the power distribution network engineering according to the power distribution network engineering typical design application rate eta: when power distribution network engineering eta is more than or equal to 90 percent, the typical design application situation of the power distribution network engineering is excellent, and the typical design is put into use; when power distribution network engineering eta is more than 60 percent and less than 90 percent, the typical design application situation of the power distribution network engineering is good, and the typical design is put into use; when power distribution network engineering eta is less than 60 percent, the typical design application situation of the power distribution network engineering is poor, and refitting is performed according to the calculation in step (1) to step (3) in order to increase the power distribution network engineering typical design application rate eta. The estimation method can be widely applied to estimation of the typical design application rate in the power distribution network engineering.

Description

A kind of appraisal procedure of distribution network engineering modular design utility ratio
Technical field
The present invention relates to distribution network engineering design field, particularly about a kind of appraisal procedure of distribution network engineering modular design utility ratio.
Background technology
10 KV distribution nets designs are leading links of whole distribution network construction, are also basic basis of the links such as power distribution network is constructed, puts into operation, rushed to repair, scheduling and business.10 KV distribution net designing qualities have important impact for the normal productive life of people, and power distribution network is as the terminal of whole electrical network, and it is directly associated with user, and its importance is self-evident.But the scheme of 10 KV distribution net practice of engineering design and standardized designs differ greatly, the mode of connection is complicated, device category is various, equipment quality is uneven, power supply technique is backward, causes the maintenance difficulty in operation maintenance, reduces power supply reliability.State Grid Corporation of China is for regional development degree, load character and individual demand, issue in 2013 " the State Grid Corporation of China's distribution network engineering modular design " and " modular design of State Grid Corporation of China 380/220V distribution network engineering " that be suitable for zones of different demand, improve the quality of each province's company power distribution net design, strengthening Standardization Construction and management to a certain extent, promote the quality and benefits that distribution network engineering is built from design source.
But, in a lot of place, the modular design of Guo Wang company all becomes mere scrap of paper, designer, in order to save trouble, often directly slightly to adjust in existing engineering design, does not consider whether be apply modular design, and for the managerial personnel of power supply administration, it is confined to the understanding of the implementation status of modular design the statistics data that each place reports, and can not grasp engineering design quality, also cannot propose rectification scheme, fundamentally can't resolve problem.
Summary of the invention
For the problems referred to above, the object of this invention is to provide a kind of modular design application of result situation that can be used in assessment distribution network engineering, and the appraisal procedure to the distribution network engineering modular design utility ratio that non-compliant distribution network engineering is rectified and improved.
For achieving the above object, the present invention takes following technical scheme: a kind of appraisal procedure of distribution network engineering modular design utility ratio, comprises the following steps:
1) the distribution engineering modular design utility ratio η in distribution network engineering is calculated distribution engineering, computing formula is as follows:
η distribution engineering=ω switchyard× μ switchyard+ ω ring-main unit× μ ring-main unit+ ω switchgear building× μ switchgear building+ ω box-type substation× μ box-type substation+ ω pole type transformer platform× μ pole type transformer platform+ ω cable branch box× μ cable branch box;
In formula, ω switchyardfor the ring-main unit modular design utility ratio in distribution engineering, μ switchyardratio between investments shared by the switchyard engineering in distribution engineering; ω ring-main unitfor the ring-main unit modular design utility ratio in distribution engineering; μ ring-main unitratio between investments shared by the ring-main unit engineering in distribution engineering; ω switchgear buildingfor the switchgear building modular design utility ratio in distribution engineering; μ switchgear buildingratio between investments shared by the switchgear building engineering in distribution engineering; ω box-type substationfor the box-type substation modular design utility ratio in distribution engineering; μ box-type substationratio between investments shared by the box-type substation engineering in distribution engineering; ω pole type transformer platformfor the pole type transformer platform modular design utility ratio in distribution engineering; μ pole type transformer platformratio between investments shared by the pole type transformer platform engineering in distribution engineering; ω cable branch boxfor the cable branch box modular design utility ratio in distribution engineering; μ cable branch boxratio between investments shared by the cable branch box engineering in distribution engineering;
2) the overhead transmission line engineering modular design utility ratio η in distribution network engineering is calculated overhead transmission line, computing formula is as follows:
η overhead transmission line engineering=n modular design module/ n engineering module× σ module+ L mark/ L always× σ wire;
In formula, n modular design modulefor using the rod-type of modular design module in " State Grid Corporation of China's distribution network engineering modular design ", bar capitiform formula, cross-arm and bracing wire engineering module number in overhead transmission line engineering, n modular design modulefor the total quantity of rod-type, bar capitiform formula, cross-arm and bracing wire engineering module in overhead transmission line engineering, σ modulefor the rod-type in overhead transmission line engineering, bar capitiform formula, cross-arm and bracing wire module institute ratio between investments, L markfor the aerial condutor length of aerial condutor specifications and models in overhead transmission line engineering in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues, L alwaysfor aerial condutor total length in overhead transmission line engineering, σ wireratio between investments shared by the aerial condutor in overhead transmission line engineering;
3) the cable line engineering modular design utility ratio η in distribution network engineering is calculated cable line engineering, computing formula is as follows:
In formula, m modular design modulefor using the stage die number of blocks of modular design module in " State Grid Corporation of China's distribution network engineering modular design " in cable line engineering, n modular design modulefor the total quantity of engineering module in cable line engineering, ratio between investments shared by the cable section module in cable line engineering, D markfor the circuit line length of cable specifications and models in cable line engineering in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues, D alwaysfor cable total length in cable line engineering, ratio between investments shared by the cable in cable line engineering;
4) distribution network engineering modular design utility ratio η is calculated distribution network engineering, computing formula is as follows:
η distribution network engineering=η distribution engineering× μ distribution engineering+ η overhead transmission line engineering× μ overhead transmission line engineering+ η cable line engineering× μ cable line engineering;
In formula, μ distribution engineeringratio between investments shared by the distribution engineering in distribution network engineering, μ overhead transmission lineratio between investments shared by the overhead transmission line engineering in distribution network engineering, μ cable line engineeringratio between investments shared by the cable line engineering in distribution network engineering;
5) according to distribution network engineering modular design utility ratio η distribution network engineeringthe modular design applicable cases of distribution network engineering is judged: work as η distribution network engineeringwhen>=90%, the modular design applicable cases of distribution network engineering is excellent, then come into operation; As 60% < η distribution network engineeringduring < 90%, the modular design applicable cases of distribution network engineering is good, then come into operation; Work as η distribution network engineeringduring < 60%, the modular design applicable cases of distribution network engineering is poor, now, for η distribution network engineeringthe poor distribution network engineering of < 60% modular design applicable cases is according to step 1) to step 3) calculating rectify and improve.
Described step 1) in, the switchyard modular design utility ratio ω in distribution engineering switchyardcomputing method comprise the following steps:
1. the feeder number utility ratio score a in compute switch station feeder number, when the feeder number in switchyard at least meets following condition for the moment, the feeder number utility ratio score a in switchyard feeder numberbe 1, otherwise, the feeder number utility ratio score a in switchyard feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 or KB-4 ~ KB-6, and the feeder number in switchyard is within 8 ~ 10;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the typical design solution of KB-2, and the feeder number in switchyard is within 8 ~ 14;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-3 or KB-10 or KB-6, and the feeder number in switchyard is within 9 ~ 16;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-7 ~ KB-9, and the feeder number in switchyard is within 8 ~ 16;
2. the electrical main connecting wire utility ratio score a in compute switch station electrical main connecting wire, when the electrical main connecting wire in switchyard at least meets following condition for the moment, the electrical main connecting wire utility ratio score a in switchyard electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score a in switchyard electrical main connecting wirebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 or KB-2 or KB-4 ~ KB-9, and the electrical main connecting wire form in switchyard is sectionalized single busbar connection;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-7 ~ KB-9, and the electrical main connecting wire form in switchyard is two separate single buses;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-3 or KB-10 or KB-11, and the electrical main connecting wire form in switchyard is single busbar three segmentation;
3. the civil engineering area utility ratio score a at compute switch station civil engineering area, the civil engineering area of typical design solution in the civil engineering area of switchyard is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score a of switchyard civil engineering areabe 1, otherwise, the civil engineering area utility ratio score a of switchyard civil engineering areabe 0;
4. the high-voltage switch gear utility ratio score a in compute switch station high-voltage switch gear, when the high-voltage switch gear in switchyard at least meets following condition for the moment, the high-voltage switch gear utility ratio score a in switchyard high-voltage switch gearbe 1, otherwise, the high-voltage switch gear utility ratio score a in switchyard high-voltage switch gearbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 ~ KB-3, and main equipment selection is shelter-clad removal switch cabinet;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-4 or KB-7 or KB-10, and main equipment selection is breaker cabinet;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-5 or KB-8 or KB-11, and main equipment selection is loading switch cabinet;
5. the transformer application rate score a in compute switch station transformer, when the transformer stock number in switchyard and State Grid Corporation of China transport that in the standard material catalogue issued in inspection portion, corresponding stock number is mated, the transformer application rate score a in switchyard transformerbe 1, otherwise, the transformer application rate score a in switchyard transformerbe 0;
6. the utility ratio ω of switchyard modular design switchyardcomputing formula as follows:
ω switchyard=a feeder number× 25%+a electrical main connecting wire× 20%+a civil engineering area× 15%+a high-voltage switch gear× 30%+a transformer× 10%.
Described step 1) in, the ring-main unit modular design utility ratio ω in distribution engineering ring-main unitcomputing method comprise the following steps:
1. the feeder number utility ratio score b in ring net unit feeder number, when the feeder number of regulation during the feeder number in ring-main unit is " State Grid Corporation of China's distribution network engineering modular design ", the feeder number utility ratio score b in ring-main unit feeder numberbe 1, otherwise, the feeder number utility ratio score b in ring-main unit feeder numberbe 0;
2. the electrical main connecting wire utility ratio score b in ring net unit electrical main connecting wire, when the electrical main connecting wire in ring-main unit is single bus scheme, the electrical main connecting wire utility ratio score b in ring-main unit electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score b in ring-main unit electrical main connecting wirebe 0;
3. the device type utility ratio score b in ring net unit device type, when the device type in ring-main unit at least meets following condition for the moment, the device type utility ratio score b in ring-main unit device typebe 1, otherwise, the device type utility ratio score b in ring-main unit device typebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-1 or HA-3 or HA-5, and main equipment type selecting is " inlet wire load switch wire-outlet isolating switch ";
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-2 or HA-4 or HA-6, and the option of main equipment type selecting is " full load switch ";
4. the civil engineering area utility ratio score b of ring net unit civil engineering area, the civil engineering area of typical design solution in the civil engineering area of ring-main unit is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score b of ring-main unit civil engineering areabe 1, otherwise, the civil engineering area utility ratio score b of ring-main unit civil engineering areabe 0;
5. the outdoor ring main unit utility ratio score b in ring net unit outdoor ring main unit, the device type in ring-main unit at least meets following condition for the moment, the device type utility ratio score b in ring-main unit device typebe 1, otherwise, the device type utility ratio score b in ring-main unit device typebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-1 or HA-3 or HA-5, and it is loading switch cabinet or breaker cabinet that numbering refers to material;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HB-2 or HB-4 or HB-6, and it is loading switch cabinet that numbering refers to material;
6. ring-main unit modular design utility ratio ω ring-main unitcomputing formula as follows:
ω ring-main unit=b feeder number× 15%+b electrical main connecting wire× 20%+b device type× 10%+b civil engineering area× 10%+b outdoor ring main unit× 45%.
Described step 1) in, the switchgear building modular design utility ratio ω in distribution engineering switchgear buildingcomputing method comprise the following steps:
1. the feeder number utility ratio score c in switchgear building is calculated feeder number, when the feeder number in switchgear building at least meets following condition for the moment, the feeder number utility ratio score c in switchgear building feeder numberbe 1, otherwise, the feeder number utility ratio score c in switchgear building feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-4 ~ PB-6, and the feeder number in switchgear building is within 2 ~ 4;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-5 or PB-6 typical design solution, and the feeder number in switchgear building is within 4 ~ 6;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-7 typical design solution, and the feeder number in switchgear building is 8;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-8 or PB-9, and the feeder number in switchgear building is within 8 ~ 12;
2. the electrical main connecting wire utility ratio score c in switchgear building is calculated electrical main connecting wire, when the electrical main connecting wire in switchgear building at least meets following condition for the moment, the electrical main connecting wire utility ratio score c in switchgear building electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score c in switchgear building electrical main connecting wirebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-1 ~ PB-4, and the electrical main connecting wire form in switchgear building is single busbar;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-5 or PB-6, and the electrical main connecting wire form in switchgear building is two separate single buses;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-7 ~ PB-9, and the electrical main connecting wire form in switchgear building is sectionalized single busbar connection;
3. the civil engineering area utility ratio score c of switchgear building is calculated civil engineering area, the civil engineering area of typical design solution in the civil engineering area of switchgear building is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score c of switchgear building civil engineering areabe 1, otherwise, the civil engineering area utility ratio score c of switchgear building civil engineering areabe 0;
4. the substation transformer utility ratio score c in switchgear building is calculated substation transformer, when the substation transformer in switchgear building at least meets following condition for the moment, the substation transformer utility ratio score c in switchgear building substation transformerbe 1, otherwise, the substation transformer utility ratio score c in switchgear building substation transformerbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-1 typical design solution, and transformer type selecting is oil-filled transformer, and transformer number of units is 1;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-2 or PB-5 or PB-9, and transformer type selecting is oil-filled transformer, and transformer number of units is 2;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-3 typical design solution, and transformer type selecting is dry-type transformer, and transformer number of units is 1;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-4 or PB-6 or PB-8, and transformer type selecting is oil-filled transformer, and transformer number of units is 2;
E) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-7 typical design solution, and transformer type selecting is dry-type transformer, and transformer number of units is 4;
5. the high-tension switch cabinet utility ratio score c in switchgear building is calculated high-tension switch cabinetin the high-tension switch cabinet in switchgear building meets " State Grid Corporation of China's distribution network engineering modular design ", Protocol Numbers is arbitrary typical design solution in PB-8 or PB-9, numbering is when to refer to material be shelter-clad removal switch cabinet, the high-tension switch cabinet utility ratio score c in switchgear building high-tension switch cabinetbe 1, otherwise, the high-tension switch cabinet utility ratio score c in switchgear building high-tension switch cabinetbe 0;
6. the ring main unit utility ratio score c in switchgear building is calculated ring main unit, be arbitrary typical design solution in PB-1 ~ PB-7 when the ring main unit in switchgear building meets Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design ", numbering refers to material when being ring main unit, the ring main unit utility ratio score c in switchgear building ring main unitbe 1, otherwise, the ring main unit utility ratio score c in switchgear building ring main unitbe 0;
7. the utility ratio ω of switchgear building modular design switchgear buildingcomputing formula as follows:
ω switchgear building=c feeder number× 10%+c electrical main connecting wire× 15%+c civil engineering area× 10%+c substation transformer× 40%+ (c high-tension switch cabinet+ c ring main unit) × 25%.
Described step 1) in, the box-type substation modular design utility ratio ω in distribution engineering box-type substationcomputing method comprise the following steps:
1. the high-pressure side feeder number utility ratio score d in box-type substation is calculated high-pressure side feeder number, when the high-pressure side feeder number in box-type substation at least meets following condition for the moment, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 1, otherwise, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and 10kV feeder number is 1;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and 10kV feeder number is 1 or 2;
2. the low-pressure side feeder number utility ratio score d in box-type substation is calculated low-pressure side feeder number, when the low-pressure side feeder number in box-type substation meet 0.4kV feeder number in 4 ~ 6 time, the low-pressure side feeder number utility ratio score d in box-type substation low-pressure side feeder numberbe 1, otherwise, the low-pressure side feeder number utility ratio score d in box-type substation low-pressure side feeder numberbe 0;
3. the electrical main connecting wire utility ratio score d in box-type substation is calculated electrical main connecting wire, when the electrical main connecting wire in box-type substation at least meets following condition for the moment, the electrical main connecting wire utility ratio score d in box-type substation electrical main connecting wirebe 1, otherwise, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and adopt the line change group mode of connection in high-pressure side, 1 back into line, is 4 ~ 6 return back out line in low-pressure side;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and adopt single bus scheme mode in high-pressure side, 1 or 2 back into line, is 4 ~ 6 return back out line in low-pressure side;
4. the high-pressure side major equipment utility ratio score d in box-type substation is calculated high-pressure side major equipment, when the high-pressure side major equipment in box-type substation at least meets following condition for the moment, the high-pressure side major equipment utility ratio score d in box-type substation high-pressure side major equipmentbe 1, otherwise, the high-pressure side major equipment utility ratio score d in box-type substation high-pressure side major equipmentbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, adopts two station load switchs;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, adopts gas insulated load switch or gas insulated load switch and fuse;
5. the low-pressure side major equipment utility ratio score d in box-type substation is calculated low-pressure side major equipment, when the low-pressure side major equipment in box-type substation adopts air-break, the low-pressure side major equipment utility ratio score d in box-type substation low-pressure side major equipmentbe 1, otherwise, the low-pressure side major equipment utility ratio score d in box-type substation low-pressure side major equipmentbe 0;
6. transformer application rate score d in the station in box-type substation is calculated transformer in standing, when box-type substation at least meets following condition for the moment, transformer application rate score d in standing transformer in standingbe 1, otherwise, transformer application rate score d in standing transformer in standingbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and main equipment selection is 200 or 400 or 500 or the American box type transformer of 630kVA;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and main equipment selection is 400 or 500 or 500 or the European box type transformer of 630kVA;
7. box-type substation modular design utility ratio ω box-type substationcomputing formula as follows:
ω box-type substation=d high-pressure side feeder number× 15%+d low-pressure side feeder number× 15%+d electrical main connecting wire× 20%+d high-pressure side major equipment× 10%+d low-pressure side major equipment× 10%+d transformer in standing× 30%.
Described step 1) in, the pole type transformer platform modular design utility ratio ω in distribution engineering pole type transformer platformcomputing method comprise the following steps:
1. pole type transformer platform mounting means utility ratio score e is calculated pole type transformer platform mounting means, when transformer platform mounting means on box column at least meets following condition for the moment, pole type transformer platform mounting means utility ratio score e pole type transformer platform mounting meansbe 1, otherwise, pole type transformer platform mounting means utility ratio score e pole type transformer platform mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-5, and mounting means is two bars;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and mounting means is single pole;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-7 typical design solution, and mounting means is desk-top;
2. the low-voltage comprehensive distribution box mounting means utility ratio score e in pole type transformer platform is calculated low-voltage comprehensive distribution box mounting means, when the low-voltage comprehensive distribution box mounting means in transformer platform on box column at least meets following condition for the moment, low-voltage comprehensive distribution box mounting means utility ratio score e low-voltage comprehensive distribution box mounting meansbe 1, otherwise, low-voltage comprehensive distribution box mounting means utility ratio score e low-voltage comprehensive distribution box mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-3 or ZA-6, and mounting means is that two bar suspension type is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-4 or ZA-5, and mounting means is that bracket type is installed;
3. the substation transformer mounting means utility ratio score e in pole type transformer platform is calculated substation transformer mounting means, when the substation transformer mounting means in transformer platform on box column at least meets following condition for the moment, substation transformer mounting means utility ratio score e substation transformer mounting meansbe 1, otherwise, substation transformer mounting means utility ratio score e substation transformer mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-4 or ZA-6 or ZA-7, and substation transformer and line parallel are installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-5 typical design solution, substation transformer and circuit at right angle setting;
4. the fuse mounting means utility ratio score e in pole type transformer platform is calculated fuse mounting means, when the fuse mounting means in transformer platform on box column at least meets following condition for the moment, fuse mounting means utility ratio score e fuse mounting meansbe 1, otherwise, fuse mounting means utility ratio score e fuse mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 or ZA-2 or ZA-5, and fuse mounting means is that side is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-3 or ZA-4, and fuse mounting means is that front is installed;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and fuse mounting means is that the back side is installed;
5. the fuse mounting means utility ratio score e in pole type transformer platform is calculated fuse mounting means, when the fuse mounting means in transformer platform on box column at least meets following condition for the moment, fuse mounting means utility ratio score e fuse mounting meansbe 1, otherwise, fuse mounting means utility ratio score e fuse mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 or ZA-2 or ZA-5, and fuse mounting means is that side is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-3 or ZA-4, and fuse mounting means is that front is installed;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and fuse mounting means is that the back side is installed;
6. the fuse utility ratio score e in pole type transformer platform is calculated fuse, when the fuse in pole type transformer platform adopts fuse switch or all insulation formula fuse, fuse utility ratio score e fusebe 1, otherwise, fuse utility ratio score e fusebe 0;
7. pole type transformer platform modular design utility ratio ω box-type substationcomputing formula as follows:
ω pole type transformer platform=e pole type transformer platform mounting means× 20%+e low-voltage comprehensive distribution box mounting means× 15%+e substation transformer mounting means× 15%+e fuse mounting means× 15%+e substation transformer× 25%+e fuse× 10%.
Described step 1) in, the cable branch box modular design utility ratio ω in distribution engineering cable branch boxcomputing method comprise the following steps:
1. the feeder number utility ratio score f in cable branch box is calculated feeder number, when the feeder number in cable branch box be into scene 2 or one enter four go out time, feeder number utility ratio score f feeder numberbe 1, otherwise, feeder number utility ratio score f feeder numberbe 0;
2. the basic engineering utility ratio score f of cable branch box is calculated basic engineering, when the basic engineering of cable branch box meets the typical design solution in " State Grid Corporation of China's distribution network engineering modular design ", the basic engineering utility ratio score f of cable branch box basic engineeringbe 1, otherwise, the basic engineering utility ratio score f of cable branch box basic engineeringbe 0;
3. the configuration design utility ratio score f of cable branch box is calculated configuration design, when the configuration design of cable branch box meets the typical design solution in " State Grid Corporation of China's distribution network engineering modular design ", the configuration design utility ratio score f of cable branch box configuration designbe 1, otherwise, the configuration design utility ratio score f of cable branch box configuration designbe 0;
4. cable branch box utility ratio score f is calculated cable branch box, when cable branch box coding and State Grid Corporation of China transport that in the standard material catalogue issued in inspection portion, corresponding stock number is mated, cable branch box utility ratio score f configuration designbe 1, otherwise, cable branch box utility ratio score f configuration designbe 0;
5. cable branch box modular design utility ratio ω cable branch boxcomputing formula as follows:
ω cable branch box=f feeder number× 30%+f basic engineering× 10%+f configuration design× 10%+f cable branch box× 50%.
Described step 5) in, for η distribution network engineeringthe poor distribution network engineering of < 60% modular design applicable cases is according to step 1) to step 3) calculating rectify and improve, comprise the following steps:
(1) distribution engineering in distribution network engineering is rectified and improved, comprise the switchyard in distribution engineering, ring-main unit, switchgear building, box-type substation, pole type transformer platform and cable branch box;
(2) overhead transmission line engineering in distribution network engineering is rectified and improved, if the aerial condutor length L of aerial condutor specifications and models in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues in overhead transmission line engineering markwith aerial condutor total length L in overhead transmission line engineering alwaysratio L mark/ L alwaysbe not 1, then the aerial condutor in overhead transmission line rectified and improved, make the L after rectification mark/ L alwaysbe 1; The rod-type of modular design module in use " State Grid Corporation of China's distribution network engineering modular design ", bar capitiform formula, cross-arm and bracing wire engineering module is not had in rectification overhead transmission line engineering;
(3) cable line engineering in distribution network engineering is rectified and improved, if the cable length D of cable specifications and models in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues in cable line engineering markwith cable total length D in cable line engineering alwaysratio D mark/ D alwaysbe not 1, then the cable in cable line rectified and improved, make the D after rectification mark/ D alwaysbe 1; The engineering module using modular design module in " State Grid Corporation of China's distribution network engineering modular design " is not had in rectification cable line engineering.
The present invention is owing to taking above technical scheme, it has the following advantages: 1, the present invention calculates the modular design utility ratio of the distribution engineering in distribution network engineering, overhead transmission line engineering and cable line engineering respectively owing to adopting, designer and managerial personnel just can be grasped exactly the concrete condition that the modular design of the every part in distribution network engineering is applied before distribution network engineering comes into operation, greatly reduce distribution network engineering that quality do not pass a test to the harmful effect of the normal productive life of people.2, the present invention is due to by being analyzed typical design solution in the various piece in distribution network engineering and " State Grid Corporation of China's distribution network engineering modular design ", undesirable part in distribution network engineering can be found fast and as requested it is modified, thus promote the quality of distribution network engineering design, the Standardization Construction of strengthening distribution network engineering and management, the quality and benefits that distribution network engineering is built is promoted from design source.In sum, the present invention can be widely used in the assessment of modular design utility ratio in distribution network engineering.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
As shown in Figure 1, the invention provides a kind of appraisal procedure of distribution network engineering modular design utility ratio, comprise the following steps:
1) the distribution engineering modular design utility ratio η in distribution network engineering is calculated distribution engineering, computing method are as follows:
(1) the switchyard modular design utility ratio ω in distribution engineering is determined switchyard, comprise the following steps:
1. the feeder number utility ratio score a in compute switch station feeder number, when the feeder number in switchyard at least meets following condition for the moment, the feeder number utility ratio score a in switchyard feeder numberbe 1, otherwise, the feeder number utility ratio score a in switchyard feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 or KB-4 ~ KB-6, and the feeder number in switchyard is within 8 ~ 10;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the typical design solution of KB-2, and the feeder number in switchyard is within 8 ~ 14;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-3 or KB-10 or KB-6, and the feeder number in switchyard is within 9 ~ 16;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-7 ~ KB-9, and the feeder number in switchyard is within 8 ~ 16.
2. the electrical main connecting wire utility ratio score a in compute switch station electrical main connecting wire, when the electrical main connecting wire in switchyard at least meets following condition for the moment, the electrical main connecting wire utility ratio score a in switchyard electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score a in switchyard electrical main connecting wirebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 or KB-2 or KB-4 ~ KB-9, and the electrical main connecting wire form in switchyard is sectionalized single busbar connection;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-7 ~ KB-9, and the electrical main connecting wire form in switchyard is two separate single buses;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-3 or KB-10 or KB-11, and the electrical main connecting wire form in switchyard is single busbar three segmentation.
3. the civil engineering area utility ratio score a at compute switch station civil engineering area, the civil engineering area of typical design solution in the civil engineering area of switchyard is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score a of switchyard civil engineering areabe 1, otherwise, the civil engineering area utility ratio score a of switchyard civil engineering areabe 0.
4. the high-voltage switch gear utility ratio score a in compute switch station high-voltage switch gear, when the high-voltage switch gear in switchyard at least meets following condition for the moment, the high-voltage switch gear utility ratio score a in switchyard high-voltage switch gearbe 1, otherwise, the high-voltage switch gear utility ratio score a in switchyard high-voltage switch gearbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 ~ KB-3, and main equipment selection is shelter-clad removal switch cabinet;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-4 or KB-7 or KB-10, and main equipment selection is breaker cabinet;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-5 or KB-8 or KB-11, and main equipment selection is loading switch cabinet.
5. the transformer application rate score a in compute switch station transformer, when the transformer stock number in switchyard and State Grid Corporation of China transport that in the standard material catalogue issued in inspection portion, corresponding stock number is mated, the transformer application rate score a in switchyard transformerbe 1, otherwise, the transformer application rate score a in switchyard transformerbe 0.
6. the utility ratio ω of switchyard modular design switchyardcomputing formula as follows:
ω switchyard=a feeder number× 25%+a electrical main connecting wire× 20%+a civil engineering area× 15%+a high-voltage switch gear× 30%+a transformer× 10% (1)
(2) the ring-main unit modular design utility ratio ω in distribution engineering is determined ring-main unit, comprise the following steps:
1. the feeder number utility ratio score b in ring net unit feeder number, when the feeder number of regulation during the feeder number in ring-main unit is " State Grid Corporation of China's distribution network engineering modular design ", the feeder number utility ratio score b in ring-main unit feeder numberbe 1, otherwise, the feeder number utility ratio score b in ring-main unit feeder numberbe 0.
2. the electrical main connecting wire utility ratio score b in ring net unit electrical main connecting wire, when the electrical main connecting wire in ring-main unit is single bus scheme, the electrical main connecting wire utility ratio score b in ring-main unit electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score b in ring-main unit electrical main connecting wirebe 0.
3. the device type utility ratio score b in ring net unit device type, when the device type in ring-main unit at least meets following condition for the moment, the device type utility ratio score b in ring-main unit device typebe 1, otherwise, the device type utility ratio score b in ring-main unit device typebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-1 or HA-3 or HA-5, and main equipment type selecting is " inlet wire load switch wire-outlet isolating switch ";
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-2 or HA-4 or HA-6, and the option of main equipment type selecting is " full load switch ";
4. the civil engineering area utility ratio score b of ring net unit civil engineering area, the civil engineering area of typical design solution in the civil engineering area of ring-main unit is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score b of ring-main unit civil engineering areabe 1, otherwise, the civil engineering area utility ratio score b of ring-main unit civil engineering areabe 0.
5. the outdoor ring main unit utility ratio score b in ring net unit outdoor ring main unit, the device type in ring-main unit at least meets following condition for the moment, the device type utility ratio score b in ring-main unit device typebe 1, otherwise, the device type utility ratio score b in ring-main unit device typebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-1 or HA-3 or HA-5, and it is loading switch cabinet or breaker cabinet that numbering refers to material;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HB-2 or HB-4 or HB-6, and it is loading switch cabinet that numbering refers to material.
6. ring-main unit modular design utility ratio ω ring-main unitcomputing formula as follows:
ω ring-main unit=b feeder number× 15%+b electrical main connecting wire× 20%+b device type× 10%+b civil engineering area× 10%+b outdoor ring main unit× 45% (2)
(3) the switchgear building modular design utility ratio ω in distribution engineering is determined switchgear building, comprise the following steps:
1. the feeder number utility ratio score c in switchgear building is calculated feeder number, when the feeder number in switchgear building at least meets following condition for the moment, the feeder number utility ratio score c in switchgear building feeder numberbe 1, otherwise, the feeder number utility ratio score c in switchgear building feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-4 ~ PB-6, and the feeder number in switchgear building is within 2 ~ 4;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-5 or PB-6 typical design solution, and the feeder number in switchgear building is within 4 ~ 6;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-7 typical design solution, and the feeder number in switchgear building is 8;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-8 or PB-9, and the feeder number in switchgear building is within 8 ~ 12.
2. the electrical main connecting wire utility ratio score c in switchgear building is calculated electrical main connecting wire, when the electrical main connecting wire in switchgear building at least meets following condition for the moment, the electrical main connecting wire utility ratio score c in switchgear building electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score c in switchgear building electrical main connecting wirebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-1 ~ PB-4, and the electrical main connecting wire form in switchgear building is single busbar;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-5 or PB-6, and the electrical main connecting wire form in switchgear building is two separate single buses;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-7 ~ PB-9, and the electrical main connecting wire form in switchgear building is sectionalized single busbar connection;
3. the civil engineering area utility ratio score c of switchgear building is calculated civil engineering area, the civil engineering area of typical design solution in the civil engineering area of switchgear building is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score c of switchgear building civil engineering areabe 1, otherwise, the civil engineering area utility ratio score c of switchgear building civil engineering areabe 0.
4. the substation transformer utility ratio score c in switchgear building is calculated substation transformer, when the substation transformer in switchgear building at least meets following condition for the moment, the substation transformer utility ratio score c in switchgear building substation transformerbe 1, otherwise, the substation transformer utility ratio score c in switchgear building substation transformerbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-1 typical design solution, and transformer type selecting is oil-filled transformer, and transformer number of units is 1;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-2 or PB-5 or PB-9, and transformer type selecting is oil-filled transformer, and transformer number of units is 2;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-3 typical design solution, and transformer type selecting is dry-type transformer, and transformer number of units is 1;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-4 or PB-6 or PB-8, and transformer type selecting is oil-filled transformer, and transformer number of units is 2;
E) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-7 typical design solution, and transformer type selecting is dry-type transformer, and transformer number of units is 4.
5. the high-tension switch cabinet utility ratio score c in switchgear building is calculated high-tension switch cabinetin the high-tension switch cabinet in switchgear building meets " State Grid Corporation of China's distribution network engineering modular design ", Protocol Numbers is arbitrary typical design solution in PB-8 or PB-9, numbering is when to refer to material be shelter-clad removal switch cabinet, the high-tension switch cabinet utility ratio score c in switchgear building high-tension switch cabinetbe 1, otherwise, the high-tension switch cabinet utility ratio score c in switchgear building high-tension switch cabinetbe 0.
6. the ring main unit utility ratio score c in switchgear building is calculated ring main unit, be arbitrary typical design solution in PB-1 ~ PB-7 when the ring main unit in switchgear building meets Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design ", numbering refers to material when being ring main unit, the ring main unit utility ratio score c in switchgear building ring main unitbe 1, otherwise, the ring main unit utility ratio score c in switchgear building ring main unitbe 0.
7. the utility ratio ω of switchgear building modular design switchgear buildingcomputing formula as follows:
ω switchgear building=c feeder number× 10%+c electrical main connecting wire× 15%+c civil engineering area× 10%+c substation transformer× 40%+ (c high-tension switch cabinet+ c ring main unit) × 25% (3)
(4) the box-type substation modular design utility ratio ω in distribution engineering is determined box-type substation, comprise the following steps:
1. the high-pressure side feeder number utility ratio score d in box-type substation is calculated high-pressure side feeder number, when the high-pressure side feeder number in box-type substation at least meets following condition for the moment, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 1, otherwise, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and 10kV feeder number is 1;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and 10kV feeder number is 1 or 2.
2. the low-pressure side feeder number utility ratio score d in box-type substation is calculated low-pressure side feeder number, when the low-pressure side feeder number in box-type substation meet 0.4kV feeder number in 4 ~ 6 time, the low-pressure side feeder number utility ratio score d in box-type substation low-pressure side feeder numberbe 1, otherwise, the low-pressure side feeder number utility ratio score d in box-type substation low-pressure side feeder numberbe 0.
3. the electrical main connecting wire utility ratio score d in box-type substation is calculated electrical main connecting wire, when the electrical main connecting wire in box-type substation at least meets following condition for the moment, the electrical main connecting wire utility ratio score d in box-type substation electrical main connecting wirebe 1, otherwise, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and adopt the line change group mode of connection in high-pressure side, 1 back into line, is 4 ~ 6 return back out line in low-pressure side;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and adopt single bus scheme mode in high-pressure side, 1 or 2 back into line, is 4 ~ 6 return back out line in low-pressure side.
4. the high-pressure side major equipment utility ratio score d in box-type substation is calculated high-pressure side major equipment, when the high-pressure side major equipment in box-type substation at least meets following condition for the moment, the high-pressure side major equipment utility ratio score d in box-type substation high-pressure side major equipmentbe 1, otherwise, the high-pressure side major equipment utility ratio score d in box-type substation high-pressure side major equipmentbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, adopts two station load switchs;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, adopts gas insulated load switch or gas insulated load switch and fuse.
5. the low-pressure side major equipment utility ratio score d in box-type substation is calculated low-pressure side major equipment, when the low-pressure side major equipment in box-type substation adopts air-break, the low-pressure side major equipment utility ratio score d in box-type substation low-pressure side major equipmentbe 1, otherwise, the low-pressure side major equipment utility ratio score d in box-type substation low-pressure side major equipmentbe 0.
6. transformer application rate score d in the station in box-type substation is calculated transformer in standing, when box-type substation at least meets following condition for the moment, transformer application rate score d in standing transformer in standingbe 1, otherwise, transformer application rate score d in standing transformer in standingbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and main equipment selection is 200 or 400 or 500 or the American box type transformer of 630kVA;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and main equipment selection is 400 or 500 or 500 or the European box type transformer of 630kVA.
7. box-type substation modular design utility ratio ω box-type substationcomputing formula as follows:
ω box-type substation=d high-pressure side feeder number× 15%+d low-pressure side feeder number× 15%+d electrical main connecting wire× 20%+d high-pressure side major equipment× 10%+d low-pressure side major equipment× 10%+d transformer in standing× 30% (4)
(5) the pole type transformer platform modular design utility ratio ω in distribution engineering is determined pole type transformer platform, comprise the following steps:
1. pole type transformer platform mounting means utility ratio score e is calculated pole type transformer platform mounting means, when transformer platform mounting means on box column at least meets following condition for the moment, pole type transformer platform mounting means utility ratio score e pole type transformer platform mounting meansbe 1, otherwise, pole type transformer platform mounting means utility ratio score e pole type transformer platform mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-5, and mounting means is two bars;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and mounting means is single pole;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-7 typical design solution, and mounting means is desk-top.
2. the low-voltage comprehensive distribution box mounting means utility ratio score e in pole type transformer platform is calculated low-voltage comprehensive distribution box mounting means, when the low-voltage comprehensive distribution box mounting means in transformer platform on box column at least meets following condition for the moment, low-voltage comprehensive distribution box mounting means utility ratio score e low-voltage comprehensive distribution box mounting meansbe 1, otherwise, low-voltage comprehensive distribution box mounting means utility ratio score e low-voltage comprehensive distribution box mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-3 or ZA-6, and mounting means is that two bar suspension type is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-4 or ZA-5, and mounting means is that bracket type is installed.
3. the substation transformer mounting means utility ratio score e in pole type transformer platform is calculated substation transformer mounting means, when the substation transformer mounting means in transformer platform on box column at least meets following condition for the moment, substation transformer mounting means utility ratio score e substation transformer mounting meansbe 1, otherwise, substation transformer mounting means utility ratio score e substation transformer mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-4 or ZA-6 or ZA-7, and substation transformer and line parallel are installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-5 typical design solution, substation transformer and circuit at right angle setting.
4. the fuse mounting means utility ratio score e in pole type transformer platform is calculated fuse mounting means, when the fuse mounting means in transformer platform on box column at least meets following condition for the moment, fuse mounting means utility ratio score e fuse mounting meansbe 1, otherwise, fuse mounting means utility ratio score e fuse mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 or ZA-2 or ZA-5, and fuse mounting means is that side is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-3 or ZA-4, and fuse mounting means is that front is installed;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and fuse mounting means is that the back side is installed.
5. the fuse mounting means utility ratio score e in pole type transformer platform is calculated fuse mounting means, when the fuse mounting means in transformer platform on box column at least meets following condition for the moment, fuse mounting means utility ratio score e fuse mounting meansbe 1, otherwise, fuse mounting means utility ratio score e fuse mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 or ZA-2 or ZA-5, and fuse mounting means is that side is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-3 or ZA-4, and fuse mounting means is that front is installed;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and fuse mounting means is that the back side is installed;
6. the fuse utility ratio score e in pole type transformer platform is calculated fuse, when the fuse in pole type transformer platform adopts fuse switch or all insulation formula fuse, fuse utility ratio score e fusebe 1, otherwise, fuse utility ratio score e fusebe 0.
7. pole type transformer platform modular design utility ratio ω box-type substationcomputing formula as follows:
ω pole type transformer platform=e pole type transformer platform mounting means× 20%+e low-voltage comprehensive distribution box mounting means× 15%+e substation transformer mounting means× 15%+e fuse mounting means× 15%+e substation transformer× 25%+e fuse× 10% (5)
(6) the cable branch box modular design utility ratio ω in distribution engineering is determined cable branch box, comprise the following steps:
1. the feeder number utility ratio score f in cable branch box is calculated feeder number, when the feeder number in cable branch box be into scene 2 or one enter four go out time, feeder number utility ratio score f feeder numberbe 1, otherwise, feeder number utility ratio score f feeder numberbe 0.
2. the basic engineering utility ratio score f of cable branch box is calculated basic engineering, when the basic engineering of cable branch box meets the typical design solution in " State Grid Corporation of China's distribution network engineering modular design ", the basic engineering utility ratio score f of cable branch box basic engineeringbe 1, otherwise, the basic engineering utility ratio score f of cable branch box basic engineeringbe 0.
3. the configuration design utility ratio score f of cable branch box is calculated configuration design, when the configuration design of cable branch box meets the typical design solution in " State Grid Corporation of China's distribution network engineering modular design ", the configuration design utility ratio score f of cable branch box configuration designbe 1, otherwise, the configuration design utility ratio score f of cable branch box configuration designbe 0.
4. cable branch box utility ratio score f is calculated cable branch box, when cable branch box coding and State Grid Corporation of China transport that in the standard material catalogue issued in inspection portion, corresponding stock number is mated, cable branch box utility ratio score f configuration designbe 1, otherwise, cable branch box utility ratio score f configuration designbe 0.
5. cable branch box modular design utility ratio ω cable branch boxcomputing formula as follows:
ω cable branch box=f feeder number× 30%+f basic engineering× 10%+f configuration design× 10%+f cable branch box× 50% (6)
(7) the distribution engineering modular design utility ratio η in distribution network engineering distributioncomputing formula as follows:
η distribution engineering=ω switchyard× μ switchyard+ ω ring-main unit× μ ring-main unit+ ω switchgear building× μ switchgear building+ ω box-type substation× μ box-type substation+ ω pole type transformer platform× μ pole type transformer platform+ ω cable branch box× μ cable branch box(7)
In formula, μ switchyardratio between investments shared by the switchyard engineering in distribution engineering; μ ring-main unitratio between investments shared by the ring-main unit engineering in distribution engineering; μ switchgear buildingratio between investments shared by the switchgear building engineering in distribution engineering; μ box-type substationratio between investments shared by the box-type substation engineering in distribution engineering; μ pole type transformer platformratio between investments shared by the pole type transformer platform engineering in distribution engineering; μ cable branch boxratio between investments shared by the cable branch box engineering in distribution engineering.
2) the overhead transmission line engineering modular design utility ratio η in distribution network engineering is calculated overhead transmission line, computing formula is as follows:
η overhead transmission line engineering=n modular design module/ n engineering module× σ module+ L mark/ L always× σ wire(8)
In formula, n modular design modulefor using the rod-type of modular design module in " State Grid Corporation of China's distribution network engineering modular design ", bar capitiform formula, cross-arm and bracing wire engineering module number in overhead transmission line engineering, n modular design modulefor the total quantity of rod-type, bar capitiform formula, cross-arm and bracing wire engineering module in overhead transmission line engineering, σ modulefor the rod-type in overhead transmission line engineering, bar capitiform formula, cross-arm and bracing wire module institute ratio between investments, L markfor the aerial condutor length of aerial condutor specifications and models in overhead transmission line engineering in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues, L alwaysfor aerial condutor total length in overhead transmission line engineering, σ wireratio between investments shared by the aerial condutor in overhead transmission line engineering.
3) the cable line engineering modular design utility ratio η in distribution network engineering is calculated cable line engineering, computing formula is as follows:
In formula, m modular design modulefor using the stage die number of blocks of modular design module in " State Grid Corporation of China's distribution network engineering modular design " in cable line engineering, n modular design modulefor the total quantity of engineering module in cable line engineering, ratio between investments shared by the cable section module in cable line engineering, D markfor the circuit line length of cable specifications and models in cable line engineering in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues, D alwaysfor cable total length in cable line engineering, ratio between investments shared by the cable in cable line engineering.
4) distribution network engineering modular design utility ratio η is calculated distribution network engineering, computing formula is as follows:
η distribution network engineering=η distribution engineering× μ distribution engineering+ η overhead transmission line engineering× μ overhead transmission line engineering+ η cable line engineering× μ cable line engineering(10)
In formula, μ distribution engineeringratio between investments shared by the distribution engineering in distribution network engineering, μ overhead transmission lineratio between investments shared by the overhead transmission line engineering in distribution network engineering, μ cable line engineeringratio between investments shared by the cable line engineering in distribution network engineering.
5) according to distribution network engineering modular design utility ratio η distribution network engineeringthe modular design applicable cases of distribution network engineering is judged: work as η distribution network engineeringwhen>=90%, the modular design applicable cases of distribution network engineering is excellent, then come into operation; As 60% < η distribution network engineeringduring < 90%, the modular design applicable cases of distribution network engineering is good, then come into operation; Work as η distribution network engineeringduring < 60%, the modular design applicable cases of distribution network engineering is poor, now, for η distribution network engineeringthe poor distribution network engineering of < 60% modular design applicable cases is according to step 1) to step 3) calculating rectify and improve, comprise the following steps:
(1) each several part utility ratio scoring event in distribution engineering breaker in middle station, ring-main unit, switchgear building, box-type substation, pole type transformer platform and cable branch box is checked, the part of 0 must be divided into according to step 1 for utility ratio) in the standard that provides it is rectified and improved, make the utility ratio after rectification be divided into 1.
(2) overhead transmission line engineering in distribution network engineering is rectified and improved, if the aerial condutor length L of aerial condutor specifications and models in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues in overhead transmission line engineering markwith aerial condutor total length L in overhead transmission line engineering alwaysratio L mark/ L alwaysbe not 1, then the aerial condutor in overhead transmission line rectified and improved, make the L after rectification mark/ L alwaysbe 1; The rod-type of modular design module in use " State Grid Corporation of China's distribution network engineering modular design ", bar capitiform formula, cross-arm and bracing wire engineering module is not had in rectification overhead transmission line engineering.
(3) cable line engineering in distribution network engineering is rectified and improved, if the cable length D of cable specifications and models in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues in cable line engineering markwith cable total length D in cable line engineering alwaysratio D mark/ D alwaysbe not 1, then the cable in cable line rectified and improved, make the D after rectification mark/ D alwaysbe 1; The engineering module using modular design module in " State Grid Corporation of China's distribution network engineering modular design " is not had in rectification cable line engineering.
The various embodiments described above are only for illustration of the present invention; wherein the structure of each parts, connected mode and manufacture craft etc. all can change to some extent; every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.

Claims (8)

1. an appraisal procedure for distribution network engineering modular design utility ratio, comprises the following steps:
1) the distribution engineering modular design utility ratio η in distribution network engineering is calculated distribution engineering, computing formula is as follows:
η distribution engineering=ω switchyard× μ switchyard+ ω ring-main unit× μ ring-main unit+ ω switchgear building× μ switchgear building+ ω box-type substation
× μ box-type substation+ ω pole type transformer platform× μ pole type transformer platform+ ω cable branch box× μ cable branch box;
In formula, ω switchyardfor the ring-main unit modular design utility ratio in distribution engineering, μ switchyardratio between investments shared by the switchyard engineering in distribution engineering; ω ring-main unitfor the ring-main unit modular design utility ratio in distribution engineering; μ ring-main unitratio between investments shared by the ring-main unit engineering in distribution engineering; ω switchgear buildingfor the switchgear building modular design utility ratio in distribution engineering; μ switchgear buildingratio between investments shared by the switchgear building engineering in distribution engineering; ω box-type substationfor the box-type substation modular design utility ratio in distribution engineering; μ box-type substationratio between investments shared by the box-type substation engineering in distribution engineering; ω pole type transformer platformfor the pole type transformer platform modular design utility ratio in distribution engineering; μ pole type transformer platformratio between investments shared by the pole type transformer platform engineering in distribution engineering; ω cable branch boxfor the cable branch box modular design utility ratio in distribution engineering; μ cable branch boxratio between investments shared by the cable branch box engineering in distribution engineering;
2) the overhead transmission line engineering modular design utility ratio η in distribution network engineering is calculated overhead transmission line, computing formula is as follows:
η overhead transmission line engineering=n modular design module/ n engineering module× σ module+ L mark/ L always× σ wire;
In formula, n modular design modulefor using the rod-type of modular design module in " State Grid Corporation of China's distribution network engineering modular design ", bar capitiform formula, cross-arm and bracing wire engineering module number in overhead transmission line engineering, n modular design modulefor the total quantity of rod-type, bar capitiform formula, cross-arm and bracing wire engineering module in overhead transmission line engineering, σ modulefor the rod-type in overhead transmission line engineering, bar capitiform formula, cross-arm and bracing wire module institute ratio between investments, L markfor the aerial condutor length of aerial condutor specifications and models in overhead transmission line engineering in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues, L alwaysfor aerial condutor total length in overhead transmission line engineering, σ wireratio between investments shared by the aerial condutor in overhead transmission line engineering;
3) the cable line engineering modular design utility ratio η in distribution network engineering is calculated cable line engineering, computing formula is as follows:
In formula, m modular design modulefor using the stage die number of blocks of modular design module in " State Grid Corporation of China's distribution network engineering modular design " in cable line engineering, n modular design modulefor the total quantity of engineering module in cable line engineering, ratio between investments shared by the cable section module in cable line engineering, D markfor the circuit line length of cable specifications and models in cable line engineering in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues, D alwaysfor cable total length in cable line engineering, ratio between investments shared by the cable in cable line engineering;
4) distribution network engineering modular design utility ratio η is calculated distribution network engineering, computing formula is as follows:
η distribution network engineering=η distribution engineering× μ distribution engineering+ η overhead transmission line engineering× μ overhead transmission line engineering+ η cable line engineering× μ cable line engineering;
In formula, μ distribution engineeringratio between investments shared by the distribution engineering in distribution network engineering, μ overhead transmission lineratio between investments shared by the overhead transmission line engineering in distribution network engineering, μ cable line engineeringratio between investments shared by the cable line engineering in distribution network engineering;
5) according to distribution network engineering modular design utility ratio η distribution network engineeringthe modular design applicable cases of distribution network engineering is judged: work as η distribution network engineeringwhen>=90%, the modular design applicable cases of distribution network engineering is excellent, then come into operation; As 60% < η distribution network engineeringduring < 90%, the modular design applicable cases of distribution network engineering is good, then come into operation; Work as η distribution network engineeringduring < 60%, the modular design applicable cases of distribution network engineering is poor, now, for η distribution network engineeringthe poor distribution network engineering of < 60% modular design applicable cases is according to step 1) to step 3) calculating rectify and improve.
2. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 1) in, the switchyard modular design utility ratio ω in distribution engineering switchyardcomputing method comprise the following steps:
1. the feeder number utility ratio score a in compute switch station feeder number, when the feeder number in switchyard at least meets following condition for the moment, the feeder number utility ratio score a in switchyard feeder numberbe 1, otherwise, the feeder number utility ratio score a in switchyard feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 or KB-4 ~ KB-6, and the feeder number in switchyard is within 8 ~ 10;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the typical design solution of KB-2, and the feeder number in switchyard is within 8 ~ 14;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-3 or KB-10 or KB-6, and the feeder number in switchyard is within 9 ~ 16;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-7 ~ KB-9, and the feeder number in switchyard is within 8 ~ 16;
2. the electrical main connecting wire utility ratio score a in compute switch station electrical main connecting wire, when the electrical main connecting wire in switchyard at least meets following condition for the moment, the electrical main connecting wire utility ratio score a in switchyard electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score a in switchyard electrical main connecting wirebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 or KB-2 or KB-4 ~ KB-9, and the electrical main connecting wire form in switchyard is sectionalized single busbar connection;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-7 ~ KB-9, and the electrical main connecting wire form in switchyard is two separate single buses;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-3 or KB-10 or KB-11, and the electrical main connecting wire form in switchyard is single busbar three segmentation;
3. the civil engineering area utility ratio score a at compute switch station civil engineering area, the civil engineering area of typical design solution in the civil engineering area of switchyard is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score a of switchyard civil engineering areabe 1, otherwise, the civil engineering area utility ratio score a of switchyard civil engineering areabe 0;
4. the high-voltage switch gear utility ratio score a in compute switch station high-voltage switch gear, when the high-voltage switch gear in switchyard at least meets following condition for the moment, the high-voltage switch gear utility ratio score a in switchyard high-voltage switch gearbe 1, otherwise, the high-voltage switch gear utility ratio score a in switchyard high-voltage switch gearbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-1 ~ KB-3, and main equipment selection is shelter-clad removal switch cabinet;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-4 or KB-7 or KB-10, and main equipment selection is breaker cabinet;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in KB-5 or KB-8 or KB-11, and main equipment selection is loading switch cabinet;
5. the transformer application rate score a in compute switch station transformer, when the transformer stock number in switchyard and State Grid Corporation of China transport that in the standard material catalogue issued in inspection portion, corresponding stock number is mated, the transformer application rate score a in switchyard transformerbe 1, otherwise, the transformer application rate score a in switchyard transformerbe 0;
6. the utility ratio ω of switchyard modular design switchyardcomputing formula as follows:
ω switchyard=a feeder number× 25%+a electrical main connecting wire× 20%+a civil engineering area× 15%+a high-voltage switch gear× 30%+a transformer× 10%.
3. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 1) in, the ring-main unit modular design utility ratio ω in distribution engineering ring-main unitcomputing method comprise the following steps:
1. the feeder number utility ratio score b in ring net unit feeder number, when the feeder number of regulation during the feeder number in ring-main unit is " State Grid Corporation of China's distribution network engineering modular design ", the feeder number utility ratio score b in ring-main unit feeder numberbe 1, otherwise, the feeder number utility ratio score b in ring-main unit feeder numberbe 0;
2. the electrical main connecting wire utility ratio score b in ring net unit electrical main connecting wire, when the electrical main connecting wire in ring-main unit is single bus scheme, the electrical main connecting wire utility ratio score b in ring-main unit electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score b in ring-main unit electrical main connecting wirebe 0;
3. the device type utility ratio score b in ring net unit device type, when the device type in ring-main unit at least meets following condition for the moment, the device type utility ratio score b in ring-main unit device typebe 1, otherwise, the device type utility ratio score b in ring-main unit device typebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-1 or HA-3 or HA-5, and main equipment type selecting is " inlet wire load switch wire-outlet isolating switch ";
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-2 or HA-4 or HA-6, and the option of main equipment type selecting is " full load switch ";
4. the civil engineering area utility ratio score b of ring net unit civil engineering area, the civil engineering area of typical design solution in the civil engineering area of ring-main unit is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score b of ring-main unit civil engineering areabe 1, otherwise, the civil engineering area utility ratio score b of ring-main unit civil engineering areabe 0;
5. the outdoor ring main unit utility ratio score b in ring net unit outdoor ring main unit, the device type in ring-main unit at least meets following condition for the moment, the device type utility ratio score b in ring-main unit device typebe 1, otherwise, the device type utility ratio score b in ring-main unit device typebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HA-1 or HA-3 or HA-5, and it is loading switch cabinet or breaker cabinet that numbering refers to material;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in HB-2 or HB-4 or HB-6, and it is loading switch cabinet that numbering refers to material;
6. ring-main unit modular design utility ratio ω ring-main unitcomputing formula as follows:
ω ring-main unit=b feeder number× 15%+b electrical main connecting wire× 20%+b device type× 10%+b civil engineering area× 10%+b outdoor ring main unit× 45%.
4. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 1) in, the switchgear building modular design utility ratio ω in distribution engineering switchgear buildingcomputing method comprise the following steps:
1. the feeder number utility ratio score c in switchgear building is calculated feeder number, when the feeder number in switchgear building at least meets following condition for the moment, the feeder number utility ratio score c in switchgear building feeder numberbe 1, otherwise, the feeder number utility ratio score c in switchgear building feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-4 ~ PB-6, and the feeder number in switchgear building is within 2 ~ 4;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-5 or PB-6 typical design solution, and the feeder number in switchgear building is within 4 ~ 6;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-7 typical design solution, and the feeder number in switchgear building is 8;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-8 or PB-9, and the feeder number in switchgear building is within 8 ~ 12;
2. the electrical main connecting wire utility ratio score c in switchgear building is calculated electrical main connecting wire, when the electrical main connecting wire in switchgear building at least meets following condition for the moment, the electrical main connecting wire utility ratio score c in switchgear building electrical main connecting wirebe 1, otherwise, the electrical main connecting wire utility ratio score c in switchgear building electrical main connecting wirebe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-1 ~ PB-4, and the electrical main connecting wire form in switchgear building is single busbar;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-5 or PB-6, and the electrical main connecting wire form in switchgear building is two separate single buses;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is the arbitrary typical design solution in PB-7 ~ PB-9, and the electrical main connecting wire form in switchgear building is sectionalized single busbar connection;
3. the civil engineering area utility ratio score c of switchgear building is calculated civil engineering area, the civil engineering area of typical design solution in the civil engineering area of switchgear building is not more than " State Grid Corporation of China's distribution network engineering modular design ", then the civil engineering area utility ratio score c of switchgear building civil engineering areabe 1, otherwise, the civil engineering area utility ratio score c of switchgear building civil engineering areabe 0;
4. the substation transformer utility ratio score c in switchgear building is calculated substation transformer, when the substation transformer in switchgear building at least meets following condition for the moment, the substation transformer utility ratio score c in switchgear building substation transformerbe 1, otherwise, the substation transformer utility ratio score c in switchgear building substation transformerbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-1 typical design solution, and transformer type selecting is oil-filled transformer, and transformer number of units is 1;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-2 or PB-5 or PB-9, and transformer type selecting is oil-filled transformer, and transformer number of units is 2;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-3 typical design solution, and transformer type selecting is dry-type transformer, and transformer number of units is 1;
D) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in PB-4 or PB-6 or PB-8, and transformer type selecting is oil-filled transformer, and transformer number of units is 2;
E) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is PB-7 typical design solution, and transformer type selecting is dry-type transformer, and transformer number of units is 4;
5. the high-tension switch cabinet utility ratio score c in switchgear building is calculated high-tension switch cabinetin the high-tension switch cabinet in switchgear building meets " State Grid Corporation of China's distribution network engineering modular design ", Protocol Numbers is arbitrary typical design solution in PB-8 or PB-9, numbering is when to refer to material be shelter-clad removal switch cabinet, the high-tension switch cabinet utility ratio score c in switchgear building high-tension switch cabinetbe 1, otherwise, the high-tension switch cabinet utility ratio score c in switchgear building high-tension switch cabinetbe 0;
6. the ring main unit utility ratio score c in switchgear building is calculated ring main unit, be arbitrary typical design solution in PB-1 ~ PB-7 when the ring main unit in switchgear building meets Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design ", numbering refers to material when being ring main unit, the ring main unit utility ratio score c in switchgear building ring main unitbe 1, otherwise, the ring main unit utility ratio score c in switchgear building ring main unitbe 0;
7. the utility ratio ω of switchgear building modular design switchgear buildingcomputing formula as follows:
ω switchgear building=c feeder number× 10%+c electrical main connecting wire× 15%+c civil engineering area× 10%+c substation transformer× 40%
+ (c high-tension switch cabinet+ c ring main unit) × 25%.
5. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 1) in, the box-type substation modular design utility ratio ω in distribution engineering box-type substationcomputing method comprise the following steps:
1. the high-pressure side feeder number utility ratio score d in box-type substation is calculated high-pressure side feeder number, when the high-pressure side feeder number in box-type substation at least meets following condition for the moment, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 1, otherwise, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and 10kV feeder number is 1;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and 10kV feeder number is 1 or 2;
2. the low-pressure side feeder number utility ratio score d in box-type substation is calculated low-pressure side feeder number, when the low-pressure side feeder number in box-type substation meet 0.4kV feeder number in 4 ~ 6 time, the low-pressure side feeder number utility ratio score d in box-type substation low-pressure side feeder numberbe 1, otherwise, the low-pressure side feeder number utility ratio score d in box-type substation low-pressure side feeder numberbe 0;
3. the electrical main connecting wire utility ratio score d in box-type substation is calculated electrical main connecting wire, when the electrical main connecting wire in box-type substation at least meets following condition for the moment, the electrical main connecting wire utility ratio score d in box-type substation electrical main connecting wirebe 1, otherwise, the high-pressure side feeder number utility ratio score d in box-type substation high-pressure side feeder numberbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and adopt the line change group mode of connection in high-pressure side, 1 back into line, is 4 ~ 6 return back out line in low-pressure side;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and adopt single bus scheme mode in high-pressure side, 1 or 2 back into line, is 4 ~ 6 return back out line in low-pressure side;
4. the high-pressure side major equipment utility ratio score d in box-type substation is calculated high-pressure side major equipment, when the high-pressure side major equipment in box-type substation at least meets following condition for the moment, the high-pressure side major equipment utility ratio score d in box-type substation high-pressure side major equipmentbe 1, otherwise, the high-pressure side major equipment utility ratio score d in box-type substation high-pressure side major equipmentbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, adopts two station load switchs;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, adopts gas insulated load switch or gas insulated load switch and fuse;
5. the low-pressure side major equipment utility ratio score d in box-type substation is calculated low-pressure side major equipment, when the low-pressure side major equipment in box-type substation adopts air-break, the low-pressure side major equipment utility ratio score d in box-type substation low-pressure side major equipmentbe 1, otherwise, the low-pressure side major equipment utility ratio score d in box-type substation low-pressure side major equipmentbe 0;
6. transformer application rate score d in the station in box-type substation is calculated transformer in standing, when box-type substation at least meets following condition for the moment, transformer application rate score d in standing transformer in standingbe 1, otherwise, transformer application rate score d in standing transformer in standingbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-1 typical design solution, and main equipment selection is 200 or 400 or 500 or the American box type transformer of 630kVA;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is XA-2 typical design solution, and main equipment selection is 400 or 500 or 500 or the European box type transformer of 630kVA;
7. box-type substation modular design utility ratio ω box-type substationcomputing formula as follows:
ω box-type substation=d high-pressure side feeder number× 15%+d low-pressure side feeder number× 15%+d electrical main connecting wire× 20%+d high-pressure side major equipment× 10%
+ d low-pressure side major equipment× 10%+d transformer in standing× 30%.
6. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 1) in, the pole type transformer platform modular design utility ratio ω in distribution engineering pole type transformer platformcomputing method comprise the following steps:
1. pole type transformer platform mounting means utility ratio score e is calculated pole type transformer platform mounting means, when transformer platform mounting means on box column at least meets following condition for the moment, pole type transformer platform mounting means utility ratio score e pole type transformer platform is installedfor, otherwise, pole type transformer platform mounting means utility ratio score e pole type transformer platform mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-5, and mounting means is two bars;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and mounting means is single pole;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-7 typical design solution, and mounting means is desk-top;
2. the low-voltage comprehensive distribution box mounting means utility ratio score e in pole type transformer platform is calculated low-voltage comprehensive distribution box mounting means, when the low-voltage comprehensive distribution box mounting means in transformer platform on box column at least meets following condition for the moment, low-voltage comprehensive distribution box mounting means utility ratio score e low-voltage comprehensive distribution box mounting meansbe 1, otherwise, low-voltage comprehensive distribution box mounting means utility ratio score e low-voltage comprehensive distribution box mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-3 or ZA-6, and mounting means is that two bar suspension type is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-4 or ZA-5, and mounting means is that bracket type is installed;
3. the substation transformer mounting means utility ratio score e in pole type transformer platform is calculated substation transformer mounting means, when the substation transformer mounting means in transformer platform on box column at least meets following condition for the moment, substation transformer mounting means utility ratio score e substation transformer mounting meansbe 1, otherwise, substation transformer mounting means utility ratio score e substation transformer mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 ~ ZA-4 or ZA-6 or ZA-7, and substation transformer and line parallel are installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-5 typical design solution, substation transformer and circuit at right angle setting;
4. the fuse mounting means utility ratio score e in pole type transformer platform is calculated fuse mounting means, when the fuse mounting means in transformer platform on box column at least meets following condition for the moment, fuse mounting means utility ratio score e fuse mounting meansbe 1, otherwise, fuse mounting means utility ratio score e fuse mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 or ZA-2 or ZA-5, and fuse mounting means is that side is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-3 or ZA-4, and fuse mounting means is that front is installed;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and fuse mounting means is that the back side is installed;
5. the fuse mounting means utility ratio score e in pole type transformer platform is calculated fuse mounting means, when the fuse mounting means in transformer platform on box column at least meets following condition for the moment, fuse mounting means utility ratio score e fuse mounting meansbe 1, otherwise, fuse mounting means utility ratio score e fuse mounting meansbe 0:
A) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-1 or ZA-2 or ZA-5, and fuse mounting means is that side is installed;
B) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is arbitrary typical design solution in ZA-3 or ZA-4, and fuse mounting means is that front is installed;
C) meeting Protocol Numbers in " State Grid Corporation of China's distribution network engineering modular design " is ZA-6 typical design solution, and fuse mounting means is that the back side is installed;
6. the fuse utility ratio score e in pole type transformer platform is calculated fuse, when the fuse in pole type transformer platform adopts fuse switch or all insulation formula fuse, fuse utility ratio score e fusebe 1, otherwise, fuse utility ratio score e fusebe 0;
7. pole type transformer platform modular design utility ratio ω box-type substationcomputing formula as follows:
ω pole type transformer platform=e pole type transformer platform mounting means× 20%+e low-voltage comprehensive distribution box mounting means× 15%+e substation transformer mounting means× 15%
+ e fuse mounting means× 15%+e substation transformer× 25%+e fuse× 10%.
7. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 1) in, the cable branch box modular design utility ratio ω in distribution engineering cable branch boxcomputing method comprise the following steps:
1. the feeder number utility ratio score f in cable branch box is calculated feeder number, when the feeder number in cable branch box be into scene 2 or one enter four go out time, feeder number utility ratio score f feeder numberbe 1, otherwise, feeder number utility ratio score f feeder numberbe 0;
2. the basic engineering utility ratio score f of cable branch box is calculated basic engineering, when the basic engineering of cable branch box meets the typical design solution in " State Grid Corporation of China's distribution network engineering modular design ", the basic engineering utility ratio score f of cable branch box basic engineeringbe 1, otherwise, the basic engineering utility ratio score f of cable branch box basic engineeringbe 0;
3. the configuration design utility ratio score f of cable branch box is calculated configuration design, when the configuration design of cable branch box meets the typical design solution in " State Grid Corporation of China's distribution network engineering modular design ", the configuration design utility ratio score f of cable branch box configuration designbe 1, otherwise, the configuration design utility ratio score f of cable branch box configuration designbe 0;
4. cable branch box utility ratio score f is calculated cable branch box, when cable branch box coding and State Grid Corporation of China transport that in the standard material catalogue issued in inspection portion, corresponding stock number is mated, cable branch box utility ratio score f configuration designbe 1, otherwise, cable branch box utility ratio score f configuration designbe 0;
5. cable branch box modular design utility ratio ω cable branch boxcomputing formula as follows:
ω cable branch box=f feeder number× 30%+f basic engineering× 10%+f configuration design× 10%+f cable branch box× 50%.
8. the appraisal procedure of a kind of distribution network engineering modular design utility ratio as claimed in claim 1, is characterized in that: described step 5) in, for η distribution network engineeringthe poor distribution network engineering of < 60% modular design applicable cases is according to step 1) to step 3) calculating rectify and improve, comprise the following steps:
(1) distribution engineering in distribution network engineering is rectified and improved, comprise the switchyard in distribution engineering, ring-main unit, switchgear building, box-type substation, pole type transformer platform and cable branch box;
(2) overhead transmission line engineering in distribution network engineering is rectified and improved, if the aerial condutor length L of aerial condutor specifications and models in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues in overhead transmission line engineering markwith aerial condutor total length L in overhead transmission line engineering alwaysratio L mark/ L alwaysbe not 1, then the aerial condutor in overhead transmission line rectified and improved, make the L after rectification mark/ L alwaysbe 1; The rod-type of modular design module in use " State Grid Corporation of China's distribution network engineering modular design ", bar capitiform formula, cross-arm and bracing wire engineering module is not had in rectification overhead transmission line engineering;
(3) cable line engineering in distribution network engineering is rectified and improved, if the cable length D of cable specifications and models in the standard material Directory Scope that fortune inspection portion of State Grid Corporation of China issues in cable line engineering markwith cable total length D in cable line engineering alwaysratio D mark/ D alwaysbe not 1, then the cable in cable line rectified and improved, make the D after rectification mark/ D alwaysbe 1; The engineering module using modular design module in " State Grid Corporation of China's distribution network engineering modular design " is not had in rectification cable line engineering.
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