CN205304059U

CN205304059U - Compact substation

Info

Publication number: CN205304059U
Application number: CN201520806499.5U
Authority: CN
Inventors: 黄汝星; 高稳; 李玉玲; 孙学武; 宋述稳
Original assignee: Shandong Chi Xiang Electric Applicance Co Ltd
Current assignee: Shandong Dachi Chixiang Electric Co., Ltd.
Priority date: 2015-10-19
Filing date: 2015-10-19
Publication date: 2016-06-08
Anticipated expiration: 2025-10-19

Abstract

The utility model relates to a substation technology field, in particular to compact substation. This compact substation, including hyperbaric chamber, low -pressure chamber and transformer room, its characterized in that: still include the terminal control room, the hyperbaric chamber divide into high tension switchgear and high -pressure inlet wire cabinet, the low -pressure chamber divide into low pressure master switch cabinet, low pressure feeder cabinet and compensation cabinet, installs the compensator in the compensation cabinet, the terminal control indoor location has the comprehensive guarantor's device of computer, strapping table, high pressure to have the voltage regulation control apparatus and the data transmission unit of carrying, hyperbaric chamber, low -pressure chamber and terminal control room set up in the box, and the transformer room is located the box outside, the utility model discloses simple structure maintains, increases the feeder convenience, conveniently realizes intelligent management, and phase sequence adjustment of the subtracting work flow reduces the headspace, reduces area, can realize the remote control of an electrical equipment distant place, remote signalling, telemetering measurement, satisfies the user and counts performance requirements such as the collection of a tree name distant place, detection, control to the electric wire netting.

Description

A kind of compact substation

Technical field

The present invention relates to transformer station's technical field, particularly to a kind of compact substation.

Background technology

The box-type substation (being called for short case to become) of present stage is a kind of high-tension switch gear distribution transformer, low voltage switch equipment, the complete power distribution equipment of compact that electric energy measuring equipment and reactive power compensator etc. are combined in one or several casing by certain connection plan. It is suitable in three-phase alternating current system, as the use of circuit and distribution electric energy.

It is transformator and common high and low pressure electric equipment are loaded in same metal shell casing that European-type box becomes, and transformer room's temperature is significantly high, causes heat radiation difficulty, affects capacity utilization, affect inside transformer performance simultaneously, reduces service life; European-type box variable volume is relatively big on the other hand, and floor space increases, and increases cost of investment. Current compact American transformer substation is immersed in oil due to high voltage load switch, and during operation, oil is easily by electric arc carbonization, decomposition, produces the harmful gass such as acetylene. The harmful gas being dissolved in transformer oil during high voltage load switch and transformator case altogether makes transformer performance decline, when high voltage load switch and the configuration of transformator branch mailbox, and the harmful gas of generation, affect switch performance; High voltage load switch is placed in fuel tank and can't see obvious cut-off point, maintenance inconvenience, it is impossible to realize Based Intelligent Control; Backup type fuse is placed in fuel tank, maintenance inconvenience; Compact American transformer substation compact conformation, the little increase feeder difficulty in space; Box-type substation is chronically under the straight solarization of the sun, high temperature affects breaker of plastic casing, compensates the heat radiation of system, terminal control system, make protection system, signal transmission unit that the situations such as damage, irregular working easily occur, cause transformer substation system fault, reduce transformer life, time serious, damage transformator; The arrangement of transformer low voltage outlet phase sequence is inconsistent with low-voltage cabinet busbar standard, and when causing low-voltage cabinet to be connected with transformator, working procedure is complicated; Space to be preserved larger, manufactures housing and increases; Material cost is caused to increase.

Summary of the invention

The present invention is in order to make up the defect of prior art, it is provided that one meets the stabilization of power grids, saves space, and maintenance is convenient, and what electric property was stable is mainly used in the compact substation of 6��35kV level.

The present invention is achieved through the following technical solutions:

A kind of compact substation, including altitude chamber, low-pressure chamber and transformer room, it is characterized in that: also include terminal control room, described altitude chamber is divided into high-tension switch cabinet and High-voltage Incoming Cabinet, metering and information acquisition unit are installed in described high-tension switch cabinet and High-voltage Incoming Cabinet, described low-pressure chamber is divided into low pressure main switch cabinet, low pressure feeder cabinet and compensating cabinet, described low pressure main switch cabinet and low pressure feeder cabinet are mounted on moulded case circuit breaker, compensator is installed in compensating cabinet, described terminal control indoor location has microcomputer complex protection device, gauge table, high pressure on-load voltage regulation controls device and data transmission unit, described altitude chamber, low-pressure chamber and terminal control room are arranged in casing, transformer room is positioned at outside casing, transformer body is had in described transformer room, temperaturecontrol sensor, rear, transformer room is provided with radiator, fuel tank and the radiator periphery of described transformer body add protection network, protection network is provided with blower fan, it is connected to high-voltage terminal between described altitude chamber and transformer room, low-pressure line-outgoing it is connected between low-pressure chamber and transformer room, the arrangement of transformer low voltage outlet phase sequence is consistent with low pressure total connecting cabinet phase sequence, and the binding post of low-pressure line-outgoing passes through copper bar and being flexible coupling and is excessively connected with the binding post of total control switch in the total connecting cabinet of low pressure.

Being provided with high voltage load switch in described high-tension switch cabinet, convenient maintenance, described high voltage load switch is plain edition.

It is also equipped with spark gap in described high-tension switch cabinet.

Described metering and information acquisition unit include current transformer, voltage transformer and charged display sensor, it may be achieved electrical equipment remote control, remote signalling, remote measurement, remote regulating meets user to performance requirements such as the collection of an electrical network number Ju distant place, detection, controls.

Described moulded case circuit breaker is alternatively and is vertically arranged bar switch, meets particular/special requirement electricity consumption, can integrate with international electricity consumption, more can be greatly reduced space.

It is mounted on signals collecting transmission equipment in described low pressure main switch cabinet, low pressure feeder cabinet and compensating cabinet; described signals collecting transmission equipment has metering, protection, compensation, signals collecting effect, it may be achieved electrical equipment remote control, remote signalling, remote measurement, remote regulating etc. are required to meet user to performance requirements such as the collection of an electrical network number Ju distant place, detection, controls.

Described low-pressure chamber, altitude chamber, terminal control indoor all install condensation-preventing controller additional, and outer wall all installs additional cabinet type cooling element, stablize case body temperature, improve electric property stability.

The fuel tank on-load voltage regulation switch installed above of described transformer body, meets special power utilization environment requirement, it is ensured that electricity consumption is stable.

The invention has the beneficial effects as follows: present configuration is simple, safeguard, increase feeder conveniently, conveniently realize intelligent management. Installing cabinet air conditioner and condensation control system additional, it is ensured that indoor temperature and humidity is constant, in the notable service life extending electrical accessorie, the precision improving electrical equipment Protection parameters extends the life-span of transformator; Phase sequence adjustment simplifies workflow, reduce headspace, reduce floor space, it may be achieved electrical equipment remote control, remote signalling, remote measurement, meet user to performance requirements such as the collection of an electrical network number Ju distant place, detection, controls, present invention is mainly applied to 6��35kV level American transformer substation.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the present invention is further illustrated.

Accompanying drawing 1 is the plan structure schematic diagram of a kind of compact substation of the present invention;

Accompanying drawing 2 is the left view structural representation of accompanying drawing 1;

Accompanying drawing 3 is the primary system schematic diagram of a kind of compact substation of the present invention;

Accompanying drawing 4 is the primary system schematic diagram of traditional transformer station;

In figure, 1 transformer body, 2 high-tension switch cabinets, 3 High-voltage Incoming Cabinets, 4 low pressure main switch cabinets, 5 low pressure feeder cabinets, 6 radiators, 7 pressure relief valves, 8 on-load voltage regulating switch, 9 temperaturecontrol sensor seats, 10 terminal control rooms, 11 cabinet type cooling element, 12 blower fans, 13 louvres, 14 manholes, 15 compensating cabinets, 16 protection networks, 17 altitude chamber, 18 low-pressure chambers, 19 transformer rooms, 20 metering and information acquisition units, 21 moulded case circuit breakers, 22 compensators, 23 microcomputer complex protection devices, 24 gauge tables, 25 high pressure on-load voltage regulation control device, 26 data transmission units, 27 high voltage load switches, 28 signals collecting transmission equipments, 29 spark gaps, 30 low pressure all-purpose disconnect switchs.

Detailed description of the invention

Accompanying drawing is a kind of specific embodiment of the present invention. as shown in accompanying drawing 1-4, this compact substation, including altitude chamber 17, low-pressure chamber 18 and transformer room 19, it is characterized in that: also include terminal control room 10, described altitude chamber 17 is divided into high-tension switch cabinet 2 and High-voltage Incoming Cabinet 3, metering and information acquisition unit 20 are installed in described high-tension switch cabinet 2 and High-voltage Incoming Cabinet 3, metering and information acquisition unit 20 include current transformer, voltage transformer and charged display sensor, electrical equipment remote control can be realized, remote signalling, remote measurement, remote regulating meets user and an electrical network number Ju distant place is gathered, detection, the performance requirements such as control, high voltage load switch 27 is installed in high-tension switch cabinet 2, convenient maintenance, described high voltage load switch 27 is plain edition, cancel backup type fuse simultaneously and insert fuse, simplify workflow, reduce heat generating spot, spark gap 29 it is also equipped with in high-tension switch cabinet 2, described low-pressure chamber 18 is divided into 4, two low pressure feeder cabinets 5 of low pressure main switch cabinet and compensating cabinet 15, in low pressure main switch cabinet 4, low pressure all-purpose disconnect switch 30 is installed, described low pressure main switch cabinet 4 and low pressure feeder cabinet 5 are mounted on moulded case circuit breaker 21, described moulded case circuit breaker 21 is alternatively and is vertically arranged bar switch, meet particular/special requirement electricity consumption, can integrate with international electricity consumption, more can be greatly reduced space, compensator 22 is installed in compensating cabinet 15, it is mounted on signals collecting transmission equipment 28 in described low pressure main switch cabinet 4, low pressure feeder cabinet 5 and compensating cabinet 15, described signals collecting transmission equipment 28 has metering, protection, compensation, signals collecting effect, it may be achieved electrical equipment remote control, remote signalling, remote measurement, remote regulating etc. are required to meet user to performance requirements such as the collection of an electrical network number Ju distant place, detection, controls. in described terminal control room 10, microcomputer complex protection device 23 is installed, gauge table 24, high pressure on-load voltage regulation controls device 25 and data transmission unit 26, described altitude chamber 17, low-pressure chamber 18 and terminal control room 10 are arranged in casing, transformer room 19 is positioned at outside casing, transformer body 1 is had in described transformer room 19, temperaturecontrol sensor, rear, transformer room 19 is provided with radiator 6, fuel tank and radiator 6 periphery of described transformer body 1 add protection network 16, protection network 16 is provided with blower fan 12, it is connected to high-voltage terminal between described altitude chamber 17 and transformer room 19,It is connected to low-pressure line-outgoing between low-pressure chamber 18 and transformer room 19, the arrangement of transformer low voltage outlet phase sequence is consistent with low pressure total connecting cabinet phase sequence, and the binding post of low-pressure line-outgoing passes through copper bar and being flexible coupling and is excessively connected with the binding post of total control switch in the total connecting cabinet of low pressure. All install condensation-preventing controller additional in described low-pressure chamber 18, altitude chamber 17, terminal control room 10, outer wall all installs additional cabinet type cooling element 11, stablize case body temperature, improve electric property stability. The fuel tank on-load voltage regulation switch 8 installed above of described transformer body 1, meets special power utilization environment requirement, it is ensured that electricity consumption is stable.

Present configuration is simple, safeguards, increases feeder conveniently, conveniently realizes intelligent management. Installing cabinet air conditioner and condensation control system additional, it is ensured that indoor temperature and humidity is constant, in the notable service life extending electrical accessorie, the precision improving electrical equipment Protection parameters extends the life-span of transformator; Phase sequence adjustment simplifies workflow, reduce headspace, reduce floor space, it may be achieved electrical equipment remote control, remote signalling, remote measurement, meet user to performance requirements such as the collection of an electrical network number Ju distant place, detection, controls, present invention is mainly applied to 6��35kV level American transformer substation.

Claims

1. a compact substation, including altitude chamber (17), low-pressure chamber (18) and transformer room (19), it is characterized in that: also include terminal control room (10), described altitude chamber (17) is divided into high-tension switch cabinet (2) and High-voltage Incoming Cabinet (3), in described high-tension switch cabinet (2) and High-voltage Incoming Cabinet (3), metering (current transformer is installed, voltage transformer, charged display sensor) and information acquisition unit (20), described low-pressure chamber (18) is divided into low pressure main switch cabinet (4), two low pressure feeder cabinets (5) and compensating cabinet (15), described low pressure main switch cabinet (4) and low pressure feeder cabinet (5) are mounted on moulded case circuit breaker (21), compensator (22) is installed in compensating cabinet (15), in described terminal control room (10), microcomputer complex protection device (23) is installed, gauge table (24), high pressure on-load voltage regulation controls device (25) and data transmission unit (26), described altitude chamber (17), low-pressure chamber (18) and terminal control room (10) are arranged in casing, transformer room (19) is positioned at outside casing, transformer body (1) is had in described transformer room (19), temperaturecontrol sensor, transformer room (19) rear is provided with radiator (6), fuel tank and radiator (6) periphery of described transformer body 1 add protection network (16), protection network 16 is provided with blower fan (12), it is connected to high-voltage terminal between described altitude chamber (17) and transformer room (19), it is connected to low-pressure line-outgoing between low-pressure chamber (18) and transformer room (19), the arrangement of transformer low voltage outlet phase sequence is consistent with low pressure total connecting cabinet phase sequence, and the binding post of low-pressure line-outgoing passes through copper bar and being flexible coupling and is excessively connected with the binding post of total control switch in the total connecting cabinet of low pressure.

2. compact substation according to claim 1, it is characterised in that: high voltage load switch (27) is installed in described high-tension switch cabinet (2).

3. compact substation according to claim 1, it is characterised in that: it is also equipped with spark gap (29) in described high-tension switch cabinet (2).

4. compact substation according to claim 1, it is characterised in that: described metering and information acquisition unit (20) include current transformer, voltage transformer and charged display sensor.

5. compact substation according to claim 2, it is characterised in that: described moulded case circuit breaker (21) is alternatively and is vertically arranged bar switch.

6. compact substation according to claim 1, it is characterised in that: it is mounted on signals collecting transmission equipment (28) in described low pressure main switch cabinet (4), low pressure feeder cabinet (5) and compensating cabinet (15).

7. compact substation according to claim 1, it is characterised in that: described low-pressure chamber (18), altitude chamber (17), terminal control room all install condensation-preventing controller additional in (10), and outer wall all installs additional cabinet type cooling element (11).

8. compact substation according to claim 1, it is characterised in that: fuel tank on-load voltage regulation switch (8) installed above of described transformer body (1).