CN209472268U - Power distribution equipment outside a kind of room 220kV - Google Patents

Power distribution equipment outside a kind of room 220kV Download PDF

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Publication number
CN209472268U
CN209472268U CN201920556844.2U CN201920556844U CN209472268U CN 209472268 U CN209472268 U CN 209472268U CN 201920556844 U CN201920556844 U CN 201920556844U CN 209472268 U CN209472268 U CN 209472268U
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China
Prior art keywords
bus
disconnecting switch
double
framework
lead
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Active
Application number
CN201920556844.2U
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Chinese (zh)
Inventor
王梅菊
何安頔
何健
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Datang Environment Industry Group Co Ltd
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Datang Environment Industry Group Co Ltd
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Priority to CN201920556844.2U priority Critical patent/CN209472268U/en
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Abstract

The utility model relates to power distribution equipments outside a kind of room 220kV, comprising: inlet wire framework fixes bus framework thereon;First bus, it is horizontally disposed in three-phase, is suspended on bus framework by suspension insulator, lower section sets Double-pillar disconnecting switch, Double-pillar disconnecting switch is fixed on the base by double strut insulator, and lead-out wire is fixed on the double strut insulator top of Double-pillar disconnecting switch;Second bus, it is horizontally disposed in three-phase, it is suspended on bus framework by suspension insulator, lower section sets scissor disconnecting switch, scissor disconnecting switch is fixed on the base by single strut variety insulator, lead-out wire is fixed on the single strut variety insulator of scissor disconnecting switch, and is connect by flexible circuit conductor with the support insulator top conductor line of Double-pillar disconnecting switch.The utility model has the beneficial effects that substituting the Double-pillar disconnecting switch of the second bus conventional design by scissor disconnecting switch, the longitudinal width of power distribution equipment is reduced, space occupied is saved, reduces investment outlay.

Description

Power distribution equipment outside a kind of room 220kV
Technical field
The utility model relates to power distribution equipments outside a kind of room 220kV.
Background technique
It is general to select common medium-sized arrangement for power distribution equipment outside the room common double-bus 220kV.Power distribution equipment outside room Two groups of buses below disconnecting switch also usually all use Double-pillar disconnecting switch.This arragement construction makes its longitudinal width Relatively large, for the nervous power plant of land occupation, the occupied area of power distribution equipment is larger outside room, increases investment.
Utility model content
Aiming at the shortcomings existing in the above problems, the utility model provides power distribution equipment outside a kind of room 220kV, reduces The longitudinal width of power distribution equipment saves space occupied.
To achieve the above object, the utility model provides power distribution equipment outside a kind of room 220kV, comprising:
Inlet wire framework is fixed with bus framework thereon;
First bus, horizontally disposed in three-phase, first bus is suspended on the bus-bar frame by suspension insulator On structure, Double-pillar disconnecting switch is set, the Double-pillar disconnecting switch passes through double strut insulator below first bus It is fixed on the base, the lead-out wire of first bus is fixed at the top of the double strut insulator of the Double-pillar disconnecting switch On;
Second bus, horizontally disposed in three-phase, second bus is suspended on the bus-bar frame by suspension insulator On structure, scissor disconnecting switch is set, the scissor disconnecting switch passes through single strut variety insulator below second bus It fixes on the base, the single strut variety that the lead-out wire of second bus is separately fixed at the scissor disconnecting switch is exhausted On edge, and it is connect respectively by flexible circuit conductor with the top conductor line of the Double-pillar disconnecting switch.
It is further improved as the utility model, the double strut insulator and the scissors of the Double-pillar disconnecting switch The single strut variety insulator of formula disconnecting switch is in the same plane.
It is further improved as the utility model, the main transformer inlet wire that main transformer is drawn is connected to the inlet wire framework Top is pulled to outlet framework, and the bus framework is arranged between the inlet wire framework and the outlet framework;Meanwhile the master The lead-out wire that transformer is drawn is connected on arrester.
It is further improved as the utility model, the lead-out wire of second bus scissor keeps apart connection by described It is connected to breaker, the lead-out wire of the breaker is connected to current transformer, and the lead-out wire of the current transformer, which is connected to, keeps apart It closes, the lead-out wire of the disconnecting switch is connected in the outlet that the outlet framework is drawn, and the lead-out wire of the outlet is connected to electricity It presses on mutual inductor.
It is further improved as the utility model, the bus framework is fashioned iron.
It is further improved as the utility model, the lead-out wire of first bus is steel-cored aluminium strand.
It is further improved as the utility model, the lead-out wire of second bus is steel-cored aluminium strand.
It is further improved as the utility model, the model GW16 type that the scissor disconnecting switch uses.
The utility model has the following beneficial effects:
Wherein one group of bus of power distribution equipment outside room substitutes Double-pillar disconnecting switch by scissor disconnecting switch, sufficiently Using the small advantage of its longitudinal size, so that the electrical equipment arrangement below the bus of power distribution equipment is more compact, reduces and match The longitudinal width of electric installation saves space occupied, more reduces investment outlay.
Detailed description of the invention
Fig. 1 is the inlet-outlet line interval sectional schematic diagram of power distribution equipment outside a kind of room 220kV of the utility model.
In figure:
1, inlet wire framework;2, bus framework;3, Double-pillar disconnecting switch;4, scissor disconnecting switch;5, main transformer into Line;6, outlet framework;7, voltage transformer;8, arrester;9, breaker;10, current transformer;11, disconnecting switch;12, go out Line.
Specific embodiment
As shown in Figure 1, separating between the inlet-outlet line of power distribution equipment outside a kind of room 220kV described in the utility model embodiment Face, including framework, double-bus, controller switching equipment component.Wherein, framework includes inlet wire framework, bus framework, outlet framework.Distribution Apparatus assembly includes: Double-pillar disconnecting switch, scissor disconnecting switch, voltage transformer, current transformer, arrester, open circuit Device, disconnecting switch.Double-bus includes the first bus and the second bus.
Bus framework 2 is fixed on inlet wire framework 1.
First bus is horizontally disposed in three-phase, and the first bus is suspended on bus framework 2 by suspension insulator, and first is female Double-pillar disconnecting switch 3 is set below line, Double-pillar disconnecting switch 3 is fixed on the base by double strut insulator, and first On the lead-out wire of bus is fixed at the top of the double strut insulator of Double-pillar disconnecting switch 3.
Second bus is horizontally disposed in three-phase, and the second bus is suspended on bus framework 2 by suspension insulator, and second is female Scissor disconnecting switch 4 is set below line, scissor disconnecting switch 4 is fixed on the base by single strut variety insulator, and second The lead-out wire of bus is separately fixed on the single strut variety insulator of scissor disconnecting switch 4, and be respectively connected to Double-pillar every Leave the top conductor line connection of pass 3.
Wherein, the single strut variety insulator of the double strut insulator of Double-pillar disconnecting switch 3 and scissor disconnecting switch 4 It is in the same plane.
Meanwhile the main transformer inlet wire 5 of main transformer extraction is connected to 1 top of inlet wire framework and is pulled to outlet framework 6, bus Framework 2 is arranged between inlet wire framework 1 and outlet framework 6;Meanwhile the lead-out wire that main transformer is drawn is connected on arrester 8.The The lead-out wire of two buses is connected to breaker 9 by scissor disconnecting switch 3, and the lead-out wire of breaker 9 is connected to current transformer 10, the lead-out wire of current transformer 10 is connected to disconnecting switch 11, and the lead-out wire of disconnecting switch 11 is connected to the extraction of outlet framework 6 In outlet 12, the lead-out wire of outlet 12 is connected on voltage transformer 7.
Wherein, bus framework 2 is fashioned iron.The lead-out wire of first bus is steel-cored aluminium strand.The lead-out wire of second bus is Steel-cored aluminium strand.The model GW16 type that scissor disconnecting switch 4 uses.
Power distribution equipment outside the room 220kV of the utility model, length direction is constant, by longitudinal beam overall of original power distribution equipment Degree 65m is reduced to 58m, and width reduces 7m, saves space occupied.When specifically used, in following case history power plant Power distribution equipment totally save land occupation 833 square metres, it can be seen that save considerable investment.For the nervous power plant of land occupation It says, power distribution equipment is a kind of optimal selection scheme outside the room 220kV of this structure.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (8)

1. power distribution equipment outside a kind of room 220kV characterized by comprising
Inlet wire framework (1) is fixed with bus framework (2) thereon;
First bus, horizontally disposed in three-phase, first bus is suspended on the bus framework (2) by suspension insulator On, Double-pillar disconnecting switch (3) are set below first bus, the Double-pillar disconnecting switch (3) is exhausted by double strut Edge is fixed on the base, and the double strut that the lead-out wire of first bus is fixed on the Double-pillar disconnecting switch (3) is exhausted On at the top of edge;
Second bus, horizontally disposed in three-phase, second bus is suspended on the bus framework (2) by suspension insulator On, scissor disconnecting switch (4) is set below second bus, and the scissor disconnecting switch (4) is exhausted by single strut variety Edge is fixed on the base, and the lead-out wire of second bus is separately fixed at the list of the scissor disconnecting switch (4) On column support type insulator, and it is connect respectively by flexible circuit conductor with the top conductor line of the Double-pillar disconnecting switch (3).
2. power distribution equipment outside the room 220kV according to claim 1, which is characterized in that the Double-pillar disconnecting switch (3) Double strut insulator and the single strut variety insulator of the scissor disconnecting switch (4) are in the same plane.
3. power distribution equipment outside the room 220kV according to claim 1, which is characterized in that the main transformer that main transformer is drawn Inlet wire (5) is connected to inlet wire framework (1) top and is pulled to outlet framework (6), and the bus framework (2) is arranged in the inlet wire Between framework (1) and the outlet framework (6);Meanwhile the lead-out wire that the main transformer is drawn is connected on arrester (8).
4. power distribution equipment outside the room 220kV according to claim 3, which is characterized in that the lead-out wire of second bus is logical It crosses the scissor disconnecting switch (4) to be connected to breaker (9), the lead-out wire of the breaker (9) is connected to current transformer (10), the lead-out wire of the current transformer (10) is connected to disconnecting switch (11), the lead-out wire connection of the disconnecting switch (11) In the outlet (12) drawn to the outlet framework (6), the lead-out wire of the outlet (12) is connected on voltage transformer (7).
5. power distribution equipment outside the room 220kV according to claim 1, which is characterized in that the bus framework (2) is fashioned iron.
6. power distribution equipment outside the room 220kV according to claim 1, which is characterized in that the lead-out wire of first bus is Steel-cored aluminium strand.
7. power distribution equipment outside the room 220kV according to claim 1, which is characterized in that the lead-out wire of second bus is Steel-cored aluminium strand.
8. power distribution equipment outside the room 220kV according to claim 1, which is characterized in that the scissor disconnecting switch (4) is adopted Model GW16 type.
CN201920556844.2U 2019-04-23 2019-04-23 Power distribution equipment outside a kind of room 220kV Active CN209472268U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920556844.2U CN209472268U (en) 2019-04-23 2019-04-23 Power distribution equipment outside a kind of room 220kV

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920556844.2U CN209472268U (en) 2019-04-23 2019-04-23 Power distribution equipment outside a kind of room 220kV

Publications (1)

Publication Number Publication Date
CN209472268U true CN209472268U (en) 2019-10-08

Family

ID=68093440

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920556844.2U Active CN209472268U (en) 2019-04-23 2019-04-23 Power distribution equipment outside a kind of room 220kV

Country Status (1)

Country Link
CN (1) CN209472268U (en)

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