CN116595687A - Automatic generation method of new energy station power utilization system - Google Patents
Automatic generation method of new energy station power utilization system Download PDFInfo
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- CN116595687A CN116595687A CN202310350693.6A CN202310350693A CN116595687A CN 116595687 A CN116595687 A CN 116595687A CN 202310350693 A CN202310350693 A CN 202310350693A CN 116595687 A CN116595687 A CN 116595687A
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000009826 distribution Methods 0.000 claims abstract description 75
- 230000017525 heat dissipation Effects 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 22
- 238000005286 illumination Methods 0.000 claims description 7
- 239000004020 conductor Substances 0.000 claims description 6
- 238000005485 electric heating Methods 0.000 claims description 4
- 238000011084 recovery Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/18—Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2113/00—Details relating to the application field
- G06F2113/16—Cables, cable trees or wire harnesses
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
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Abstract
The invention discloses an automatic generation method of a new energy station power utilization system, which belongs to the field of new energy power generation and comprises the following steps: constructing a data template, wherein the data template comprises a load statistics table template, a breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable album template; the method comprises the steps of inputting parameters of the low-voltage power distribution cabinet, wherein the parameters of the low-voltage power distribution cabinet comprise the type of the low-voltage power distribution cabinet, the number of spare drawers of the low-voltage power distribution cabinet, the total number of the low-voltage power distribution cabinets and the heat dissipation coefficient of a low-voltage circuit breaker; setting a wiring loop arrangement principle; automatically generating wiring of the station power system; according to the data and calculation principle in the load statistics table template, automatically generating a station electricity load statistics table; and automatically generating a cable album. The invention can realize dynamic generation of a load statistical table, a station electric wiring CAD drawing and a cable album, and is efficient and convenient.
Description
Technical Field
The invention relates to the field of new energy power generation, in particular to an automatic generation method of a new energy station power utilization system.
Background
With the increase of the capacity of a single wind power station, a photovoltaic power station, an energy storage power station or a wind-light storage combined power station, the power consumption of the station is hundreds of thousands kilowatts, even millions of kilowatts, the load types and the number of the power consumption systems of the station are more and more, the system wiring is more and more, the efficiency of the current design method mainly based on manual statistics and drawing is low, and the work cannot be finished under the condition of very tight progress requirements.
Disclosure of Invention
The invention aims to solve the technical problem of providing an automatic generation method of a new energy station power utilization system, which can realize dynamic generation of a load statistical table, a station power utilization wiring CAD drawing and a cable album, and is efficient and convenient.
In order to solve the technical problems, the invention adopts the following technical scheme:
the automatic generation method of the new energy station power utilization system comprises the following steps:
s1, constructing a data template, wherein the data template comprises a load statistics table template, a breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable album template;
s2, inputting parameters of the low-voltage power distribution cabinet, wherein the parameters of the low-voltage power distribution cabinet comprise the type of the low-voltage power distribution cabinet, the number of spare drawers of the low-voltage power distribution cabinet, the total number of the low-voltage power distribution cabinets and the heat dissipation coefficient of a low-voltage circuit breaker;
s3, setting a wiring loop arrangement principle;
s4, automatically generating wiring of the station power utilization system;
s5, automatically generating a station electricity load statistical table according to the data in the load statistical table template in the S1 and the calculation principle;
s6, automatically generating a cable album.
The technical scheme of the invention is further improved as follows: s1, specifically comprising the following steps:
s1.1, constructing a load statistics table template;
the load statistics templates comprise a station power load template, a station electric heating load template and a station illumination load template;
the power load template for the station comprises load names, installation power, operation modes, the number of installed stations and calculation power and voltage parameters, wherein the number of installed stations comprises the number of installed stations and the number of running stations;
the contents of the station electrothermal load template comprise load names, categories, installation power, simultaneous coefficients, operation modes, calculation power, loop number, whether fire is interrupted or not and voltage parameters
The lighting load template for the station comprises a load name, installation power, a simultaneous coefficient, an operation mode, calculation power, a loop number, whether a fire alarm is powered off or not and voltage parameters;
s1.2, constructing a breaker parameter template;
the breaker parameter template content comprises rated current of a low-voltage breaker release and rated current of a low-voltage breaker frame;
the rated current of the tripping device of the low-voltage circuit breaker comprises the following steps: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A,125A, 160A, 180A, 200A, 250A,630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 6300A, 8000A;
of the rated currents of the low-voltage circuit breaker frame, the rated currents of the frames with the rated currents of the tripping devices of the low-voltage circuit breaker of 10A-100A are 100A, the rated currents of the frames with the rated currents of the tripping devices of 125A-250A are 250A,630A and above, and the rated currents of the frames or the frames of the low-voltage circuit breaker are equal to the rated currents of the tripping devices;
s1.3, constructing a drawer specification template of the low-voltage power distribution cabinet;
the drawer specification of the low-voltage power distribution cabinet comprises: e/2, 1E, 2E, 3E, 4E, 5E, 6E, 7E, 8E, 9E, 10E, 11E, each E representing 1 drawer;
s1.4, constructing a cable parameter template;
the cable parameter template content comprises 2-core cable parameters, four-core cable parameters and five-core cable parameters; the 2-core cable parameters comprise cable types, rated current carrying capacity, cable radius and conductor radius; the four-core cable parameters comprise cable model, rated current-carrying capacity, cable radius and conductor radius; the five-core cable parameters include rated current-carrying capacity;
s1.5, establishing a cable album template;
the content of the cable album template comprises a serial number, an installation unit, a cable starting point, a cable ending point, a cable number, a cable section, a cable length, a maximum continuous working current, a rated current of a release, a rated current-carrying capacity of the cable, a heat dissipation correction coefficient and a cable pressure drop.
The technical scheme of the invention is further improved as follows: s2, specifically comprising the following steps:
s2.1, inputting the type of a low-voltage power distribution cabinet;
the low-voltage power distribution cabinet is totally provided with 3 types, and the types are MNS type, GCS type and GGD type respectively; for MNS type low-voltage power distribution cabinets, 9 drawer spaces are formed in each low-voltage power distribution cabinet, namely 9E; for GCS type low-voltage power distribution cabinets, 11 drawer spaces are formed in each low-voltage power distribution cabinet, namely 11E; for the fixed GDD type low-voltage power distribution cabinets, the number of the circuit breakers arranged in each low-voltage power distribution cabinet is self-defined; the number of drawers for low-voltage circuit breaker stations of different rated currents requires a customized input;
s2.2, inputting the number of spare drawers of each low-voltage distribution cabinet;
s2.3, inputting the total number of the low-voltage power distribution cabinets;
s2.4, heat dissipation coefficient input of the low-voltage circuit breaker.
The technical scheme of the invention is further improved as follows: in S3, the wiring loop arrangement principle is as follows:
according to the number of installation stations or the number of loops in the load statistics table template, carrying out load loop splitting and wiring loop arrangement, arranging loads with the number of installation stations of 1 station or the number of loops of 1 station in sequence in the same low-voltage cabinet, automatically transferring to the next low-voltage cabinet when the load is full, arranging load loops with the number of installation stations of 2 stations or more or the number of loops of 2 stations or more in sequence in different low-voltage cabinets, and automatically transferring to the next low-voltage cabinet when the current low-voltage cabinet is full.
The technical scheme of the invention is further improved as follows: s4, specifically comprising the following steps:
s4.1, selecting rated current of a breaker release in a breaker parameter template according to the calculated load current and the heat dissipation coefficient;
s4.2, selecting a corresponding cable section from the corresponding rated current-carrying capacity in the cable parameter template according to the rated current of the selected breaker release;
s4.3, according to the selected switch cabinet type, the rated current breakers of different shell frames, the occupied modules of the circuit breakers, the number of the reserved drawers of each low-voltage power distribution cabinet and the total number of the low-voltage power distribution cabinets, the total number of the low-voltage power distribution cabinets is used as a basis for judging whether each low-voltage power distribution cabinet is full or not;
s4.4, wiring loop arrangement is carried out according to a specified wiring loop arrangement principle and drawer specifications; performing assignment operation on the wiring loop arrangement result, wherein the assignment operation comprises cable number assignment, breaker parameter assignment, cable specification assignment, loop name assignment and recovery calculation load power assignment; and automatically generating a wiring CAD drawing of the station power system according to the set wiring loop arrangement principle and the basis for judging whether each low-voltage cabinet is fully arranged.
The technical scheme of the invention is further improved as follows: in S5, the calculation principle is as follows:
(1) In the operation mode, continuous operation and frequent short-time operation equipment need to be calculated;
(2) Infrequently short-term and intermittent running equipment is not calculated;
(3) The refrigeration load and the heating load are different, and the larger load is selected to be counted;
(4) Taking into account the simultaneous coefficients;
(5) The station electricity consumption calculation load S is more than or equal to 0.85 multiplied by P1+P2+P3kVA; where P1 is a power load, P2 is an electrothermal load when the simultaneous coefficients are considered, and P3 is an illumination load when the simultaneous coefficients are considered.
The technical scheme of the invention is further improved as follows: s6, specifically comprising the following steps:
s6.1, extracting corresponding data assignment from a wiring CAD drawing of the station power system to the cable inventory template according to the data required in the cable inventory template, and automatically generating a cable inventory;
s6.2, performing pressure drop calculation on the cable section according to the cable length, if the cable length is satisfied, outputting the cable section actually, if the cable length is not satisfied, increasing one section, and continuing to check until the cable section meeting the pressure drop requirement is selected;
and S6.3, leading out a cable album.
By adopting the technical scheme, the invention has the following technical progress:
aiming at the characteristics of the electric load type of the new energy station, the invention constructs a targeted load statistics format template, automatically splits the loop, automatically arranges the load loop by combining a set principle, automatically generates a wiring CAD diagram, a load statistics CAD diagram and a cable album of the electric system of the new energy station by one key, realizes simple operation by using little time, automatically generates a load statistics table and a wiring CAD diagram of the station, generates the cable album, has clear principle, greatly improves the production efficiency, and has high popularization and application value.
Drawings
Fig. 1 is a flow chart of the present invention.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and examples:
as shown in fig. 1, a method for automatically generating a new energy station power system includes the following steps:
s1, constructing a data template, wherein the data template comprises a load statistics table template, a breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable album template;
s1.1, constructing a load statistics table template;
the load statistics templates comprise a station power load template, a station electric heating load template and a station illumination load template;
the power load template for the station comprises load names, installation power, operation modes, the number of installed stations and calculation power and voltage parameters, wherein the number of installed stations comprises the number of installed stations and the number of running stations; the power load statistics form for the station is shown in Table 1
Table 1 Power load statistics form for station
The station electrothermal load template comprises load names, categories, installation power, simultaneous coefficients, operation modes, calculation power, loop number, whether fire alarm is powered off or not and voltage parameters; the station electrothermal load statistical table template is shown in table 2;
table 2 electric heating load statistics table template for station
The lighting load template for the station comprises a load name, installation power, a simultaneous coefficient, an operation mode, calculation power, a loop number, whether a fire alarm is powered off or not and voltage parameters; the lighting load statistics templates for the stations are shown in table 3;
table 3 illumination load statistics table template for station
S1.2, constructing a breaker parameter template;
the breaker parameter template content comprises rated current of a low-voltage breaker release and rated current of a low-voltage breaker frame;
the rated current of the tripping device of the low-voltage circuit breaker comprises the following steps: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A,125A, 160A, 180A, 200A, 250A,630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 6300A, 8000A;
and in the rated current of the low-voltage circuit breaker frame, the rated current of the low-voltage circuit breaker tripping device is 100A, the rated current of the frame of the low-voltage circuit breaker is 250A,630A and above, and the rated current of the frame or the frame of the low-voltage circuit breaker is equal to the rated current of the tripping device.
S1.3, constructing a drawer specification template of the low-voltage power distribution cabinet;
the drawer specification of the low-voltage power distribution cabinet comprises: e/2, 1E, 2E, 3E, 4E, 5E, 6E, 7E, 8E, 9E, 10E, 11E, each E representing 1 drawer.
S1.4, constructing a cable parameter template;
the cable parameter template content comprises 2-core cable parameters, four-core cable parameters and five-core cable parameters; the 2-core cable parameters comprise cable types, rated current carrying capacity, cable radius and conductor radius; the four-core cable parameters comprise cable model, rated current-carrying capacity, cable radius and conductor radius; the five-core cable parameters include rated current-carrying capacity; the cable parameter templates are shown in table 4;
table 4 Cable parameter templates
S1.5, establishing a cable album template;
the content of the cable album template comprises a serial number, an installation unit, a cable starting point, a cable ending point, a cable number, a cable section, a cable length, a maximum continuous working current, a release rated current, a cable rated current-carrying capacity, a heat dissipation correction coefficient and a cable pressure drop; the cable album templates are shown in table 5;
table 5 Cable album template
S2, inputting parameters of the low-voltage power distribution cabinet;
the low-voltage power distribution cabinet parameters comprise the types of the low-voltage power distribution cabinets, the number of spare drawers of the low-voltage power distribution cabinets, the total number of the low-voltage power distribution cabinets and the heat dissipation coefficient of a low-voltage circuit breaker;
s2.1, inputting the type of a low-voltage power distribution cabinet;
the low-voltage power distribution cabinet is set with 3 types, wherein the types are MNS (M-standard component mode, N-low voltage, S-switch power distribution equipment, code of low-voltage extraction type switch cabinet), GCS (G-closed type switch cabinet, C-extraction type, S-forest source electric system, code of low-voltage extraction type switch cabinet) and GGD (G-low-voltage power distribution cabinet, G-fixed installation, wiring, D-power cabinet and code of low-voltage fixed type switch cabinet) respectively. For MNS type low-voltage power distribution cabinets, 9 drawer spaces are formed in each low-voltage power distribution cabinet, namely 9E; for GCS type low-voltage power distribution cabinets, 11 drawer spaces are formed in each low-voltage power distribution cabinet, namely 11E; for the fixed GDD type low-voltage power distribution cabinets, the number of the circuit breakers arranged in each low-voltage power distribution cabinet is self-defined; the number of drawers for low voltage circuit breaker stations of different rated currents requires a custom input, e.g. 63A and below low voltage circuit breakers occupy E/2, i.e. one half drawer, 63A and above 250A and below low voltage circuit breakers occupy 1E, i.e. 1 drawer, and so on.
S2.2, inputting the number of spare drawers of each low-voltage distribution cabinet;
s2.3, inputting the total number of the low-voltage power distribution cabinets;
s2.4, heat dissipation coefficient input of the low-voltage circuit breaker.
S3, setting a wiring loop arrangement principle;
splitting a load loop according to data in a load statistics table template, calculating load current, comparing the result with circuit breaker parameter template data, selecting a circuit breaker specification, comparing the circuit breaker specification with data in a low-voltage power distribution cabinet drawer specification template, and selecting a drawer specification; then carrying out wiring loop arrangement according to a specified wiring loop arrangement principle and drawer specifications; then carrying out assignment operation on the wiring loop arrangement result, wherein the assignment operation comprises cable number assignment, breaker parameter assignment, cable specification assignment, loop name assignment and recovery calculation load power assignment;
according to the number of installation stations or the number of loops in the load statistics table template, carrying out load loop splitting and wiring loop arrangement, arranging loads with the number of installation stations of 1 station or the number of loops of 1 station in sequence in the same low-voltage cabinet, automatically transferring to the next low-voltage cabinet when the load is full, arranging load loops with the number of installation stations of 2 stations or more or the number of loops of 2 stations or more in sequence in different low-voltage cabinets, and automatically transferring to the next low-voltage cabinet when the current low-voltage cabinet is full.
S4, automatically generating wiring of the station power utilization system;
s4.1, selecting rated current of a breaker release in a breaker parameter template according to the calculated load current and the heat dissipation coefficient;
s4.2, selecting a corresponding cable section from the corresponding rated current-carrying capacity in the cable parameter template according to the rated current of the selected breaker release;
s4.3, according to the selected switch cabinet type, the rated current breakers of different shell frames, the occupied modules of the circuit breakers, the number of the reserved drawers of each low-voltage power distribution cabinet and the total number of the low-voltage power distribution cabinets, the total number of the low-voltage power distribution cabinets is used as a basis for judging whether each low-voltage power distribution cabinet is full or not;
s4.4, wiring loop arrangement is carried out according to a specified wiring loop arrangement principle and drawer specifications; performing assignment operation on the wiring loop arrangement result, wherein the assignment operation comprises cable number assignment, breaker parameter assignment, cable specification assignment, loop name assignment and recovery calculation load power assignment; and automatically generating a wiring CAD drawing of the station power system according to the set wiring loop arrangement principle and the basis for judging whether each low-voltage cabinet is fully arranged.
S5, automatically generating a station electricity load statistical table according to the data in the load statistical table template in the S1 and the calculation principle;
the calculation principle is as follows:
(1) In the operation mode, continuous operation and frequent short-time operation equipment need to be calculated;
(2) Infrequently short-term and intermittent running equipment is not calculated;
(3) The refrigeration load and the heating load are different, and the larger load is selected to be counted;
(4) Taking into account the simultaneous coefficients;
(5) The station electricity consumption calculation load S is more than or equal to 0.85 multiplied by P1+P2+P3kVA; where P1 is a power load, P2 is an electrothermal load when the simultaneous coefficients are considered, and P3 is an illumination load when the simultaneous coefficients are considered.
S6, automatically generating a cable album;
s6.1, extracting corresponding data assignment from a wiring CAD drawing of the station power system to the cable inventory template according to the data required in the cable inventory template, and automatically generating a cable inventory;
s6.2, performing pressure drop calculation on the cable section according to the cable length, if the cable length is satisfied, outputting the cable section actually, if the cable length is not satisfied, increasing one section, and continuing to check until the cable section meeting the pressure drop requirement is selected;
and S6.3, leading out a cable album.
In summary, the implementation method for automatically generating the new energy station power utilization system is to construct a targeted load statistics format template according to the characteristics of the new energy station power utilization load type, automatically split a loop, automatically arrange the load loop by combining a set principle, realize simple operation by using little time, automatically generate a load statistics table and a station power utilization wiring CAD drawing, generate a cable album, have clear and clear principle, greatly improve the production efficiency and have high popularization and application values.
Claims (7)
1. The utility model provides a new energy station power consumption system automatic generation method which is characterized in that: the method comprises the following steps:
s1, constructing a data template, wherein the data template comprises a load statistics table template, a breaker parameter template, a low-voltage power distribution cabinet drawer specification template, a cable parameter template and a cable album template;
s2, inputting parameters of the low-voltage power distribution cabinet, wherein the parameters of the low-voltage power distribution cabinet comprise the type of the low-voltage power distribution cabinet, the number of spare drawers of the low-voltage power distribution cabinet, the total number of the low-voltage power distribution cabinets and the heat dissipation coefficient of a low-voltage circuit breaker;
s3, setting a wiring loop arrangement principle;
s4, automatically generating wiring of the station power utilization system;
s5, automatically generating a station electricity load statistical table according to the data in the load statistical table template in the S1 and the calculation principle;
s6, automatically generating a cable album.
2. The method for automatically generating the new energy station power utilization system according to claim 1, wherein the method comprises the following steps: s1, specifically comprising the following steps:
s1.1, constructing a load statistics table template;
the load statistics templates comprise a station power load template, a station electric heating load template and a station illumination load template;
the power load template for the station comprises load names, installation power, operation modes, the number of installed stations and calculation power and voltage parameters, wherein the number of installed stations comprises the number of installed stations and the number of running stations;
the contents of the station electrothermal load template comprise load names, categories, installation power, simultaneous coefficients, operation modes, calculation power, loop number, whether fire is interrupted or not and voltage parameters
The lighting load template for the station comprises a load name, installation power, a simultaneous coefficient, an operation mode, calculation power, a loop number, whether a fire alarm is powered off or not and voltage parameters;
s1.2, constructing a breaker parameter template;
the breaker parameter template content comprises rated current of a low-voltage breaker release and rated current of a low-voltage breaker frame;
the rated current of the tripping device of the low-voltage circuit breaker comprises the following steps: 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A, 80A, 100A,125A, 160A, 180A, 200A, 250A,630A, 800A, 1000A, 1250A, 1600A, 2000A, 2500A, 3200A, 4000A, 6300A, 8000A;
of the rated currents of the low-voltage circuit breaker frame, the rated currents of the frames with the rated currents of the tripping devices of the low-voltage circuit breaker of 10A-100A are 100A, the rated currents of the frames with the rated currents of the tripping devices of 125A-250A are 250A,630A and above, and the rated currents of the frames or the frames of the low-voltage circuit breaker are equal to the rated currents of the tripping devices;
s1.3, constructing a drawer specification template of the low-voltage power distribution cabinet;
the drawer specification of the low-voltage power distribution cabinet comprises: e/2, 1E, 2E, 3E, 4E, 5E, 6E, 7E, 8E, 9E, 10E, 11E, each E representing 1 drawer;
s1.4, constructing a cable parameter template;
the cable parameter template content comprises 2-core cable parameters, four-core cable parameters and five-core cable parameters; the 2-core cable parameters comprise cable types, rated current carrying capacity, cable radius and conductor radius; the four-core cable parameters comprise cable model, rated current-carrying capacity, cable radius and conductor radius; the five-core cable parameters include rated current-carrying capacity;
s1.5, establishing a cable album template;
the content of the cable album template comprises a serial number, an installation unit, a cable starting point, a cable ending point, a cable number, a cable section, a cable length, a maximum continuous working current, a rated current of a release, a rated current-carrying capacity of the cable, a heat dissipation correction coefficient and a cable pressure drop.
3. The method for automatically generating the new energy station power utilization system according to claim 1, wherein the method comprises the following steps: s2, specifically comprising the following steps:
s2.1, inputting the type of a low-voltage power distribution cabinet;
the low-voltage power distribution cabinet is totally provided with 3 types, and the types are MNS type, GCS type and GGD type respectively; for MNS type low-voltage power distribution cabinets, 9 drawer spaces are formed in each low-voltage power distribution cabinet, namely 9E; for GCS type low-voltage power distribution cabinets, 11 drawer spaces are formed in each low-voltage power distribution cabinet, namely 11E; for fixed GGD type low-voltage power distribution cabinets, the number of the circuit breakers arranged in each low-voltage power distribution cabinet is self-defined; the number of drawers for low-voltage circuit breaker stations of different rated currents requires a customized input;
s2.2, inputting the number of spare drawers of each low-voltage distribution cabinet;
s2.3, inputting the total number of the low-voltage power distribution cabinets;
s2.4, heat dissipation coefficient input of the low-voltage circuit breaker.
4. The method for automatically generating the new energy station power utilization system according to claim 1, wherein the method comprises the following steps: in S3, the wiring loop arrangement principle is as follows:
according to the number of installation stations or the number of loops in the load statistics table template, carrying out load loop splitting and wiring loop arrangement, arranging loads with the number of installation stations of 1 station or the number of loops of 1 station in sequence in the same low-voltage cabinet, automatically transferring to the next low-voltage cabinet when the load is full, arranging load loops with the number of installation stations of 2 stations or more or the number of loops of 2 stations or more in sequence in different low-voltage cabinets, and automatically transferring to the next low-voltage cabinet when the current low-voltage cabinet is full.
5. The method for automatically generating the new energy station power utilization system according to claim 1, wherein the method comprises the following steps: s4, specifically comprising the following steps:
s4.1, selecting rated current of a breaker release in a breaker parameter template according to the calculated load current and the heat dissipation coefficient;
s4.2, selecting a corresponding cable section from the corresponding rated current-carrying capacity in the cable parameter template according to the rated current of the selected breaker release;
s4.3, according to the selected switch cabinet type, the rated current breakers of different shell frames, the occupied modules of the circuit breakers, the number of the reserved drawers of each low-voltage power distribution cabinet and the total number of the low-voltage power distribution cabinets, the total number of the low-voltage power distribution cabinets is used as a basis for judging whether each low-voltage power distribution cabinet is full or not;
s4.4, wiring loop arrangement is carried out according to a specified wiring loop arrangement principle and drawer specifications; performing assignment operation on the wiring loop arrangement result, wherein the assignment operation comprises cable number assignment, breaker parameter assignment, cable specification assignment, loop name assignment and recovery calculation load power assignment; and automatically generating a wiring CAD drawing of the station power system according to the set wiring loop arrangement principle and the basis for judging whether each low-voltage cabinet is fully arranged.
6. The method for automatically generating the new energy station power utilization system according to claim 1, wherein the method comprises the following steps: in S5, the calculation principle is as follows:
(1) In the operation mode, continuous operation and frequent short-time operation equipment need to be calculated;
(2) Infrequently short-term and intermittent running equipment is not calculated;
(3) The refrigeration load and the heating load are different, and the larger load is selected to be counted;
(4) Taking into account the simultaneous coefficients;
(5) The station electricity consumption calculation load S is more than or equal to 0.85 multiplied by P1+P2+P3kVA; where P1 is a power load, P2 is an electrothermal load when the simultaneous coefficients are considered, and P3 is an illumination load when the simultaneous coefficients are considered.
7. The method for automatically generating the new energy station power utilization system according to claim 1, wherein the method comprises the following steps: s6, specifically comprising the following steps:
s6.1, extracting corresponding data assignment from a wiring CAD drawing of the station power system to the cable inventory template according to the data required in the cable inventory template, and automatically generating a cable inventory;
s6.2, performing pressure drop calculation on the cable section according to the cable length, if the cable length is satisfied, outputting the cable section actually, if the cable length is not satisfied, increasing one section, and continuing to check until the cable section meeting the pressure drop requirement is selected;
and S6.3, leading out a cable album.
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| CN117077642A (en) * | 2023-10-17 | 2023-11-17 | 东南大学建筑设计研究院有限公司 | Automatic drawing method for power substation power transformation and distribution system diagram based on VBA programming |
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| CN117077642A (en) * | 2023-10-17 | 2023-11-17 | 东南大学建筑设计研究院有限公司 | Automatic drawing method for power substation power transformation and distribution system diagram based on VBA programming |
| CN117077642B (en) * | 2023-10-17 | 2024-01-02 | 东南大学建筑设计研究院有限公司 | Automatic drawing method for power substation power transformation and distribution system diagram based on VBA programming |
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