CN202678738U - Configuration structure of 100kV double bus PASS power distribution unit - Google Patents
Configuration structure of 100kV double bus PASS power distribution unit Download PDFInfo
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- CN202678738U CN202678738U CN 201220297685 CN201220297685U CN202678738U CN 202678738 U CN202678738 U CN 202678738U CN 201220297685 CN201220297685 CN 201220297685 CN 201220297685 U CN201220297685 U CN 201220297685U CN 202678738 U CN202678738 U CN 202678738U
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Abstract
The utility model discloses a configuration structure of 110kV double bus PASS power distribution unit. The layout is two sets of bus equipment are arranged at an interval which correspond to 1M buses and 2M buses respectively; each bus is provided with a vertical-fracture isolating switch respectively, one end of the vertical-fracture isolating switch is connected with a corresponding bus, the other end is connected with a lightning arrester and a mutual inductor through flexible leads; an main transformation incoming line interval and each outgoing line intervals are provided with a 145kV three-port PASSMO combined electrical appliance respectively; a bus interconnection interval is provided with a 145kV two-port PASSMO combined electrical appliance; and both the 1M buses and the 2M buses adopt support type tubular buses made of aluminium magnesium silicon alloys, a 1M sleeve of each PASSMO combined electrical appliance is connected with a 1M tubular bus through a hard lead, and a 2M sleeve is connected with a 2M tubular bus through a flexible lead. The 100kV double bus PASS power distribution unit has the advantages of simple structure, small occupied area, complete functions, safety and reliability, convenient expansion and examination and maintenance.
Description
Technical field
The utility model relates to the T ﹠ D Technology field, specifically a kind of configuration structure of 110kV double-bus PASS power distribution equipment.
Background technology
The security reliability of the layout optimization of lectotype selection and power distribution equipment, the capital expenditure of electric substation, electrical network is inseparable.Along with the continuous increase of expanding economy and electricity needs, the q﹠r of electric power supply is had higher requirement.Be the standard transformer substation construction, shorten the power construction cycle, employing advanced technology, the electric equipment that reliability is high, non-maintaining, rational control of engineering cost is an urgent demand that improves power grid security reliability service level and the performance of enterprises.
Transformer station's high voltage switching device generally is divided three classes: air insulation switching device (Air Insulated Switchgear, AIS), composite switch device (Hybrid Gas Insulated Switchgear, HGIS) and gas-insulating and fully-enclosed switching device (Gas Insulated Switchgear, GIS).Wherein HGIS combined electrical apparatus reliability is high, non-maintaining, compact, installation and adjustment convenient, life cycle is long, can accelerate the construction speed of engineering, greatly promote the equipment equipment of electric substation, the floor space of compression electric substation, avoid simultaneously GIS equipment enlarging difficulty, the shortcoming that interruption duration is long is used widely in engineering.
PASS(Plug And Switch System is pinboard switching gear) a kind of Novel complete set electric equipment that to be ABB AB develop on the basis that produces for many years GIS and AIS, structure is very compact, easy for installation, reliable and stable, the characteristics such as intellectuality obtain user's favor, are Typical Representatives in the HGIS composite switch device.
PASS series of combination electric equipment is divided into PASS M0(by electric pressure 72.5,123,145, the 170kV electric pressure), PASS M1(has 220, the 300kV electric pressure), PASS M2(has 330, the 550kV electric pressure) 3 kinds of models, wherein PASS M0 is the most ripe approved product.According to the difference of Main connection form, at present the PASS M0 product of 145kV electric pressure commonly used mainly contains two kinds on single busbar connection type (two ports) and double-bus type (three ports), as illustrated in fig. 1 and 2.
If employing double-bus; the 110kV electric pressure is higher; distance is controlled by safe distance between the double-bus; because PASS M0 product size is very compact; outgoing line side sleeve pipe and 1M sleeve pipe horizontal range be 2169mm only; the design difficulty of this power distribution equipment is to adopt conventional lead-in wire can't satisfy the safe distance requirement, and PASS cell current instrument transformer precision and protection configuration need to satisfy metering and intelligent demand, the problems such as PASS combined electrical apparatus repair and maintenance.
110kV double-bus PASS power distribution equipment need be considered as a whole because electric pressure is high, design difficulty is large, and far and near combination is so that expansion is implemented.
Summary of the invention
For problems of the prior art, the utility model proposes a kind of configuration structure of 110kV double-bus PASS power distribution equipment, its simple in structure clear, floor space is little, multiple functional, safe and reliable, be convenient to the expansion and repair and maintenance.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of configuration structure of 110kV double-bus PASS power distribution equipment is that bus equipment is interval with two groups of bus equipments of the corresponding 1M bus of difference and 2M bus; Main transformer inlet wire interval and each outgoing line interval are respectively equipped with a 145kV three port PASS MO combined electrical apparatuses, and the 1M sleeve pipe of each three port PASS MO combined electrical apparatus is connected with the 2M bus with the 1M bus respectively with the 2M sleeve pipe; Mother is interval with a 145kV two port PASS MO combined electrical apparatuses, and two groups of ports of these 145kV two port PASS MO combined electrical apparatuses are connected with the 2M bus with the 1M bus respectively;
Be respectively equipped with 1 group of vertical-fracture isolating switch in each bus equipment in the bus equipment interval, an end of vertical-fracture switch connects corresponding bus, and the other end is connected with lightning arrester and instrument transformer by flexible conductor;
1M bus and 2M bus all adopt aldray brace type tube type bus processed, and the 1M sleeve pipe of each PASS MO combined electrical apparatus is connected with the 1M tube type bus by hard wire, and the 2M sleeve pipe is connected with the 2M tube type bus by flexible conductor.
In the utility model, the 110kV of transformer station bus can preferably adopt the brace type tube type bus of 6063G-T10-Ф 120/5, and it adopts argon arc welding and pre-arch technology, the safe spacing between can the reliable guarantee double-bus.For preventing aeolian vibration, also be penetrated with respectively damping wire in 1M tube type bus and the 2M tube type bus.
As a kind of improvement, also be provided with current transformer on each PASS MO combined electrical apparatus in the utility model, current transformer is installed on the root of PASS MO Combined electric appliance wire outlet casing pipe; Current transformer adopts existing TAT type straight-through current transformer, this current transformer has extensive adaptability, it is arranged in the outlet casing tube root, both can guarantee the precision of current transformer, can reach 0.2S, simultaneously repair and replacement are convenient, and be replaceable good a general working day, and current transformer is general to need for 2 week and GIS changes.And this current transformer is furnished with the iron core combination of multiple load parameter, and the guarantor that continues can be provided, measure required no-load voltage ratio.
The control of PASS MO combined electrical apparatus, manoscopy and various control survey are realized by Modern Sensor Technology in the utility model; various signals are through being contained in the information interface PISA(Process Interface for Sensors and Actuators on the PASS) carry out preliminary treatment and change into the light digital signal; link to each other with supervisory control system with the protection of electric substation through optical process bus, be convenient to realize intelligent substation.PASS can link to each other with any control and relay equipment, only needs to draw two multipolar cables from control cabinet, just PASS can be connected to control and the insurance system that continues, transformation and the upgrading of convenient existing transformer station.
For the outlet casing tube that guarantees PASS MO combined electrical apparatus and the tube type bus safety net distance between the homophase not, the hard wire that connects each PASS MO combined electrical apparatus 1M sleeve pipe and 1M tube type bus in the utility model is the aldray pipe of model 6063G-T10-Ф 120/5, the 1M sleeve pipe can be connected with hard wire through the flexible gold utensil of existing PASS terminal, hard wire connects gold utensil by T shape again and is connected with the 1M bus, T shape connects gold utensil and can select the female T of existing pipe to connect gold utensil, also can design separately, T shape connects gold utensil inside and is provided with orthogonal hard wire fixing hole and bus fixing hole.
Further, also be connected with post insulator between the 2M sleeve pipe of each PASS MO combined electrical apparatus and the flexible conductor that is connected the 2M tube type bus in the utility model.
In the utility model, the 145kV three port PASS MO combined electrical apparatuses that main transformer interval and outgoing line interval arrange utilize outlet structure through the suspension insulator outlet.If the offside circuit is power line or interconnection, then outgoing line side also needs to be provided with lightning arrester and voltage transformer.For the ease of maintenance, each PASS MO combined electrical apparatus forms a line and is installed on 1M bus below in the utility model; The maintenance road that is provided with between outgoing line side voltage transformer, lightning arrester and the PASS MO combined electrical apparatus, outgoing line side voltage transformer, lightning arrester and PASS MO combined electrical apparatus lay respectively at the both sides of maintenance road.The centre-to-centre spacing of 1M bus and 2M bus is preferably 7000mm, and spacing is preferably 1800mm between each tube type bus in 1M bus and the 2M bus.
The beneficial effects of the utility model are: the 110kV of transformer station double-bus PASS power distribution equipment electrical wiring and the coordinating and unifying of power distribution equipment floor plan, characteristics of compact layout, can satisfy the safe distance requirement simultaneously; Simple in structure clear, 1 PASS interval is installed only needs 3 hours; The more conventional AIS arrangement of floor space reduces to take up an area and reaches 50%, and multiple functional, safe and reliable, be convenient to expansion, be easy to safeguard and maintenance.The utility model is ripe, standardized high voltage distribution installation, and it is blank to have filled up domestic this field, is convenient to promote the use of.
Description of drawings
Figure 1 shows that existing three port PASS MO combined electrical apparatus structural representations;
Figure 2 shows that existing two port PASS MO combined electrical apparatus structural representations;
Figure 3 shows that the electrical wiring schematic diagram of the utility model 110kV double-bus PASS power distribution equipment configuration structure;
Figure 4 shows that main transformer interval sectional schematic diagram in the utility model;
Figure 5 shows that outgoing line interval sectional schematic diagram in the utility model;
Figure 6 shows that mother interval sectional schematic diagram in the utility model;
Figure 7 shows that the floor plan of the utility model 110kV double-bus PASS power distribution equipment configuration structure;
Figure 8 shows that double-bus PASS combined electrical apparatus wiring schematic diagram of the present utility model;
Figure 9 shows that the double-bus PASS combined electrical apparatus outlet sectional schematic diagram that Fig. 8 is corresponding.
Embodiment
For content of the present utility model is become apparent more, be further described below in conjunction with the drawings and specific embodiments.
Existing PASS combined electrical apparatus is placed on circuit breaker, isolating switch and current transformer in the SF6 gas-tight silo as a module, adopt SF6 gas-insulated and self energy arc blow-out technology, equipment dependability is high, the bus that failure rate is extremely low adopts conventional opening wide to arrange, each interval of PASS device is fully independent, dwindle power failure range and repair time, be convenient to expansion.As shown in Figure 1, approved product 145kV three port PASS MO combined electrical apparatus overall dimensions are very compact, horizontal range is 2169mm between outlet casing tube 11 and the 1M sleeve pipe 12, horizontal range is 3000mm between 1M sleeve pipe 12 and the 2M sleeve pipe 13, conduit connection terminal 14 is 40mm for the upright footpath of aluminium, length is the aluminium bar of 110mm, and overall dimension is comparatively special, needs configuration PASS terminal-specific to connect gold utensil in order to be connected with miscellaneous equipment or wire.As shown in Figure 2, approved product 145kV two port PASS MO combined electrical apparatus overall dimensions are very compact, horizontal range is 2130mm between outlet casing tube 21 and the 1M sleeve pipe 22, the conduit connection terminal is 40mm for the upright footpath of aluminium also, length is the aluminium bar of 110mm, overall dimension is comparatively special, needs configuration PASS terminal-specific to connect gold utensil in order to be connected with miscellaneous equipment or wire.
In conjunction with Fig. 3 and shown in Figure 7, the configuration structure of the 110kV of transformer station double-bus PASS power distribution equipment of the present utility model is, bus equipment is interval with two groups of conventional bus equipments of the corresponding 1M bus of difference and 2M bus, and be respectively equipped with 1 group of vertical-fracture isolating switch in each bus equipment, one end of vertical-fracture switch connects corresponding bus, and the other end connects 3 lightning arresters and 3 instrument transformers by flexible conductor; Main transformer inlet wire interval and each outgoing line interval are respectively equipped with a 145kV three port PASSMO combined electrical apparatuses, and the 1M sleeve pipe of each three port PASS MO combined electrical apparatus is connected with the 2M bus with the 1M bus respectively with the 2M sleeve pipe; Mother is interval with a 145kV two port PASS MO combined electrical apparatuses, and two groups of ports of these 145kV two port PASS MO combined electrical apparatuses are connected with the 2M bus with the 1M bus respectively.
1M bus and 2M bus all adopt aldray brace type tube type bus processed in the utility model, the 1M sleeve pipe of each PASS MO combined electrical apparatus is connected with the 1M tube type bus by the hard wire of aluminum-magnesium alloy tube of 6063G-T10-Ф 120/5, the 2M sleeve pipe is connected with the 2M tube type bus by flexible conductor, can the reliable guarantee double-bus between and the outlet casing tube of PASS MO combined electrical apparatus and the tube type bus safe spacing between the homophase not.Also be connected with post insulator between the 2M sleeve pipe of PASS MO combined electrical apparatus and the flexible conductor that is connected the 2M tube type bus.The 1M sleeve pipe can be connected with hard wire through the flexible gold utensil of existing PASS terminal, hard wire connects gold utensil by T shape again and is connected with the 1M bus, T shape connects gold utensil and can select the female T of existing pipe to connect gold utensil, also can design separately, T shape connects gold utensil inside and is provided with orthogonal hard wire fixing hole and bus fixing hole.For preventing aeolian vibration, also be penetrated with respectively damping wire in 1M tube type bus and the 2M tube type bus.For satisfying the safe distance requirement, consider that simultaneously operating maintenance is convenient, 1M and 2M centre-to-centre spacing are 7000mm, pipe parent phase spacing is 1800mm.
As shown in Figure 4, each main transformer inlet wire interval of the utility model arranges 1 145kV, three port PASS MO combined electrical apparatuses, and it utilizes outlet structure and the reverse outlet of main transformer side framework, is connected with main transformer through 3 lightning arresters, and characteristics of compact layout effectively saves floor occupying area.Wherein PASS MO combined electrical apparatus 2M sleeve pipe adopts flexible conductor to be connected the 1M sleeve pipe with the 2M tube type bus through the flexible gold utensil of PASS terminal through 3 post insulators, through 6063G-T10-Ф 80/4 aldray pipe, according to the in-site measurement result, adopt pipe bending technique, connecing gold utensil by the female T of special pipe is connected with the 1M tube type bus, namely guarantee the not safety net distance between the homophase of outlet casing tube and hard tube connector mother, guaranteed again the not safety net distance between the homophase of 1M and hard tube connector mother.
As shown in Figure 5, each outgoing line interval of the utility model arranges 1 145kV, three port PASS MO combined electrical apparatuses, and it utilizes outlet structure through the suspension insulator outlet, if the offside circuit is power supply or interconnection, then disposes 1 group of lightning arrester and voltage transformer.Wherein PASS MO combined electrical apparatus 2M sleeve pipe adopts flexible conductor to be connected with the 2M tube type bus through 3 post insulators; PASS MO combined electrical apparatus 1M sleeve pipe is through the flexible gold utensil of PASS terminal, through 6063G-T10-Ф 80/4 aldray pipe, according to the in-site measurement result, adopt pipe bending technique, connect gold utensil by the female T of special pipe and is connected with the 1M tube type bus, guarantee outlet casing tube and tube connector mother not between the homophase and 1M and the tube connector mother safety net distance between the homophase not firmly firmly.
As shown in Figure 6, the utility model mother interval arranges 1 145kV, two port PASS MO combined electrical apparatuses, utilizes outlet structure and the reverse outlet of main transformer side framework, is connected with 2M through flexible conductor.PASS MO combined electrical apparatus 1M sleeve pipe is through the flexible gold utensil of PASS terminal, through 6063G-T10-Ф 80/4 aldray pipe, according to the in-site measurement result, adopt pipe bending technique, connect gold utensil by the female T of special pipe and is connected with the 1M tube type bus, guarantee outlet casing tube and tube connector mother not between the homophase and 1M and the tube connector mother safety net distance between the homophase not firmly firmly.
Also be provided with bushing current transformer on the existing PASS MO combined electrical apparatus; Current transformer is generally existing TAT type straight-through current transformer, this current transformer has extensive adaptability, it is arranged in the outlet casing tube root, both can guarantee the precision of current transformer, can reach 0.2S, simultaneously repair and replacement are convenient, and be replaceable good a general working day, and current transformer is general to need for 2 week and GIS changes.And this current transformer is furnished with the iron core combination of multiple load parameter, and the guarantor that continues can be provided, measure required no-load voltage ratio.
The control of PASS MO combined electrical apparatus, manoscopy and various control survey are realized by Modern Sensor Technology in the utility model; various signals are through being contained in the information interface PISA(Process Interface for Sensors and Actuators on the PASS) carry out preliminary treatment and change into the light digital signal; link to each other with supervisory control system with the protection of electric substation through optical process bus, be convenient to realize intelligent substation.PASS can link to each other with any control and relay equipment, only needs to draw two multipolar cables from control cabinet, just PASS can be connected to control and the insurance system that continues, transformation and the upgrading of convenient existing transformer station.
In conjunction with Fig. 7, the floor plan of the utility model configuration structure is divided into following eight axis arranged: first axle: enclosure wall center line again; The second axis: voltage transformer, lightning arrester center line; The 3rd axis: road axis; Four axistyle: outlet structure center line; The 5th axis: 1M center line; The 6th axis: 2M center line; The 7th axis: road axis; The 8th axis: main transformer inlet wire framework and lightning arrester center line; For ease of Maintenance and Repair, each PASS MO combined electrical apparatus forms a line and is installed on 1M bus below; The PASS combined electrical apparatus adopts easy-to-dismount connection gold utensil; Be provided with the wide maintenance road of 3000mm between outgoing line side voltage transformer, lightning arrester and the PASS MO combined electrical apparatus, when being convenient to the integral installation of PASS combined electrical apparatus and hauling out maintenance, also for voltage transformer, test of lightning arrester provide convenience, form loop with main transformer inlet wire side line road simultaneously.Outgoing line side voltage transformer, lightning arrester and PASS MO combined electrical lay respectively at the both sides of maintenance road; The centre-to-centre spacing of 1M bus and 2M bus is preferably 7000mm, and spacing is preferably 1800mm between each tube type bus in 1M bus and the 2M bus.
Under the condition that does not lengthen horizontal tracheae between two groups of bus casings of PASS combined electrical apparatus, perfection has solved the problem of PASS combined electrical apparatus Maintenance and Repair.
In the prior art because the PASS electrical structure is compact, the two groups of bus casing spacings in double-bus unit are less than 3000mm, when one group of bus casing maintenance, safety net distance to another group bus casing is inadequate, consider that PASS combined electrical apparatus unit is whole maintenance, under this theory, for the configuration structure of the utility model power distribution equipment, the utility model provides double-bus PASS combined electrical apparatus off-the-line process.
In conjunction with Fig. 8 and Fig. 9, existing enough job safety distances between 1M, 2M bus are set the operation of 1M bus on the configuration structure of the utility model 110kV double-bus PASS power distribution equipment, and the 2M bus is for subsequent use, circuit breaker and 1M isolating switch are closed, and 2M isolating switch and earthed switch disconnect; Now will overhaul a PASSMO combined electrical apparatus, comprise circuit breaker L1 in the PASS MO combined electrical apparatus of Awaiting Overhaul, the off-the-line process is by external operations specification, to contingent line side earth current, and the mode by ground switch earthing again behind the circuit breaker of taking to flow through.Then the off-the-line method of this PASS MO combined electrical apparatus may further comprise the steps:
(1) opens the L1 circuit breaker;
(2) open 1M isolating switch corresponding to L1;
(3) the L1 earthing that closes;
(4) the L1 circuit breaker that closes;
(5) 2M and 2M isolating switch ground connection, PASS MO combined electrical apparatus connects the splicing ear of 2M bus, i.e. detachment point 1 place in the corresponding interval of dismounting L1;
(6) remove 2M ground connection, bus connection switch closes;
(7) the close 2M isolating switch of other outlet;
(8) disconnect the 1M isolating switch of other outlets;
(9) disconnect bus connection switch, realize the operation of falling the bus;
(10) 1M and 1M isolating switch ground connection, the 1M lead connecting terminal of removing L1, a little 2 places of namely taking out stitches;
(11) splicing ear and the ground connection of dismounting and circuit;
(12) the PASS switch is taken out of maintenance.So far, the fault PASS MO combined electrical apparatus unit that needs maintenance off-the-line from the bus is got off, and does not affect the continued power of other PASS unit in the process.
The case of implementation described in the utility model only is better case study on implementation of the present utility model, is not to limit practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be as technology category of the present utility model.
Claims (8)
1. the configuration structure of a 110kV double-bus PASS power distribution equipment is characterized in that, bus equipment is interval with two groups of bus equipments of the corresponding 1M bus of difference and 2M bus; Main transformer inlet wire interval and each outgoing line interval are respectively equipped with a 145kV three port PASS MO combined electrical apparatuses, and the 1M sleeve pipe of each three port PASS MO combined electrical apparatus is connected with the 2M bus with the 1M bus respectively with the 2M sleeve pipe; Mother is interval with a 145kV two port PASS MO combined electrical apparatuses, and two groups of ports of these 145kV two port PASS MO combined electrical apparatuses are connected with the 2M bus with the 1M bus respectively;
Be respectively equipped with 1 group of vertical-fracture isolating switch in each bus equipment in the bus equipment interval, an end of vertical-fracture switch connects corresponding bus, and the other end is connected with lightning arrester and instrument transformer by flexible conductor;
1M bus and 2M bus all adopt aldray brace type tube type bus processed, and the 1M sleeve pipe of each PASS MO combined electrical apparatus is connected with the 1M tube type bus by hard wire, and the 2M sleeve pipe is connected with the 2M tube type bus by flexible conductor.
2. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 1 is characterized in that, also is penetrated with respectively damping wire in 1M tube type bus and the 2M tube type bus.
3. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 1 is characterized in that, also is provided with current transformer on each PASS MO combined electrical apparatus, and current transformer is installed on the root of PASS MO Combined electric appliance wire outlet casing pipe; Current transformer adopts TAT type straight-through current transformer.
4. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 1 is characterized in that, the hard wire that connects each PASS MO combined electrical apparatus 1M sleeve pipe and 1M tube type bus is the aldray pipe of model 6063G-T10-120/5.
5. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 4 is characterized in that, is connected gold utensil by T shape between hard wire and the 1M bus and connects; T shape connects gold utensil inside and is provided with orthogonal hard wire fixing hole and bus fixing hole.
6. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 1 is characterized in that, also is connected with post insulator between the 2M sleeve pipe of each PASS MO combined electrical apparatus and the flexible conductor that is connected the 2M tube type bus.
7. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 1 is characterized in that the outgoing line side of main transformer interval and outgoing line interval also is provided with lightning arrester and voltage transformer; Each PASS MO combined electrical apparatus forms a line and is installed on 1M bus below; The maintenance road that is provided with between outgoing line side voltage transformer, lightning arrester and the PASS MO combined electrical apparatus, outgoing line side voltage transformer, lightning arrester and PASS MO combined electrical apparatus lay respectively at the both sides of maintenance road.
8. the configuration structure of 110kV double-bus PASS power distribution equipment according to claim 1 is characterized in that, the centre-to-centre spacing of 1M bus and 2M bus is 7000mm, and spacing is 1800mm between each tube type bus in 1M bus and the 2M bus.
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| CN 201220297685 CN202678738U (en) | 2012-06-21 | 2012-06-21 | Configuration structure of 100kV double bus PASS power distribution unit |
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| CN 201220297685 CN202678738U (en) | 2012-06-21 | 2012-06-21 | Configuration structure of 100kV double bus PASS power distribution unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738717A (en) * | 2012-06-21 | 2012-10-17 | 江苏科能电力工程咨询有限公司 | Configuration structure of 110KV double-bus PASS distribution device |
| CN104184051A (en) * | 2014-08-01 | 2014-12-03 | 国家电网公司 | Arrangement structure of 220 kV distribution apparatus |
| CN104505758A (en) * | 2014-12-16 | 2015-04-08 | 国家电网公司 | Configuration method of 110kV outdoor flexible busbar improved half-high distribution device |
-
2012
- 2012-06-21 CN CN 201220297685 patent/CN202678738U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102738717A (en) * | 2012-06-21 | 2012-10-17 | 江苏科能电力工程咨询有限公司 | Configuration structure of 110KV double-bus PASS distribution device |
| CN104184051A (en) * | 2014-08-01 | 2014-12-03 | 国家电网公司 | Arrangement structure of 220 kV distribution apparatus |
| CN104505758A (en) * | 2014-12-16 | 2015-04-08 | 国家电网公司 | Configuration method of 110kV outdoor flexible busbar improved half-high distribution device |
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Granted publication date: 20130116 |