CN105932586A - High-voltage switch cabinet - Google Patents
High-voltage switch cabinet Download PDFInfo
- Publication number
- CN105932586A CN105932586A CN201610401246.9A CN201610401246A CN105932586A CN 105932586 A CN105932586 A CN 105932586A CN 201610401246 A CN201610401246 A CN 201610401246A CN 105932586 A CN105932586 A CN 105932586A
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- China
- Prior art keywords
- room
- bus
- cabinet
- bar
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/167—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal truck type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Patch Boards (AREA)
Abstract
The invention relates to a high-voltage switch cabinet. The high-voltage switch cabinet comprises a cabinet body, a lower door, a breaker room door and an instrument room door which are arranged on the cabinet body in sequence, an instrument room and a bus room which are arranged in the top of the cabinet body, a breaker room and a power cable room which are arranged in the cabinet body, a small bus room which is arranged above the instrument room, a breaker room pressure relief device which is arranged above the breaker room, a bus room pressure relief device which is arranged above the bus room, and a cable room pressure relief device which is arranged above the power cable room. The high-voltage switch cabinet adopts a sleeve to wrap a bus, so that the insulation distance between the buses and the insulation distance between the bus and a shell of the cabinet body are reduced; through adoption of components, such as the pressure relief devices and a lightning arrester, the safety performance of the high-voltage switch cabinet is enhanced, and the high-voltage switch cabinet has the advantages of simple operation, convenience for use, safety and reliability and high stability.
Description
Technical field
The present invention relates to field of electrical equipment, particularly to a kind of high-tension switch cabinet.
Background technology
High-tension switch cabinet is a kind of switchgear assembly and control equipment, and it is main as power center (PC) and main switching compound
To be used as power circuit, the control of primary electricity using device, monitor, measure and protect, set up and be placed in transformer station, switchgear house.
Existing high-voltage switch gear cabinet is broadly divided into: bus-bar room, breaker chamber, cable vault.These three compartment only has bus-bar room
And breaker chamber is provided with explosion-proof decompression device, cable vault does not sets explosion-proof decompression device, therefore there is potential safety hazard.
Summary of the invention
In order to solve problem of the prior art, embodiments provide a kind of safe and reliable, that stability is high high pressure
Switch cubicle.Described technical scheme is as follows:
Embodiments providing a kind of high-tension switch cabinet, described high-tension switch cabinet includes cabinet, is set in sequence in institute successively
State the Xiamen on cabinet, circuit breaker chamber door and control room's door, the control room being arranged in described cabinet top, bus-bar room, setting
Breaker chamber, power cable room in described cabinet, be arranged on the little bus-bar room above described control room, be arranged on described disconnected
Breaker chamber pressure relief device above device room, road, be arranged on the bus-bar room pressure relief device above described bus-bar room, be arranged on described
Cable vault's pressure relief device above power cable room, it is arranged on the double-acting door of side in described control room, is arranged on described control room
Bottom linear quadratic control plug-in unit interlock, the bus-bar room back door being arranged in described bus-bar room, be arranged on described bus-bar room after
Branch bar that the main bus-bar wrapped up by wall bushing in Men is connected with described main bus-bar, it is arranged on bottom described bus-bar room
Static contact and described static contact match the stationary contact head cartridge arranged, the stationary contact head cartridge valve that is arranged on described stationary contact head cartridge
Interlocking gear, the handcart type breaker being arranged on described breaker chamber side, the control cable that is arranged on described breaker chamber
Room backplate, be arranged on bottom described breaker chamber in earthed switch interlocking gear, be arranged on described power cable outside
Cable vault visits, visited with described cable vault by cable vault's upper-lower door interlock be connected Xiamen, cable vault, be arranged on institute
The mutual device of zero-sequence current that state the earth bus bottom power cable room, is arranged on described earthed switch interlocking gear and lightning-arrest
The earthed switch that pin connects with described discharging rod quiet contacts the current transformer that head cartridge is disposed adjacent with described.
The technical scheme that the embodiment of the present invention provides has the benefit that
Use sleeve pipe parcel bus, reduce insulation distance and the bus insulation distance to cabinet shell between bus；Use pressure release
The parts such as device and spark gap, enhance the security performance of high-tension switch cabinet, easy and simple to handle, easy to use, safe and reliable, stable
Property high.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the high-tension switch cabinet that the embodiment of the present invention provides；
Fig. 2 is the state diagram after the cabinet door Guan Bi of the high-tension switch cabinet that the embodiment of the present invention provides.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Embodiment
Embodiments providing a kind of high-tension switch cabinet, see Fig. 1, Fig. 2, described high-tension switch cabinet includes cabinet
28, the Xiamen 27, circuit breaker chamber door 26 and the control room's door 25 that are set in sequence in successively on cabinet 28, it is arranged in cabinet 28 top
Control room A, bus-bar room B, the breaker chamber C being arranged in cabinet 28, power cable room D, be arranged on above control room A little
Bus-bar room 1, it is arranged on the breaker chamber pressure relief device 24 above breaker chamber C, is arranged on the bus-bar room pressure release above bus-bar room B
Device 23, it is arranged on the cable vault's pressure relief device 22 above the D of power cable room, is arranged on the double-acting door 2 of side in control room A, sets
Put the linear quadratic control plug-in unit interlock 4 bottom control room A, the bus-bar room back door 20 being arranged in bus-bar room B, be arranged on mother
Branch bar 3 that the main bus-bar 21 wrapped up by wall bushing 18 in back door, line room 20 is connected with main bus-bar 21, it is arranged on bus
The match stationary contact head cartridge 6 arranged, the stationary contact head cartridge being arranged on stationary contact head cartridge 6 of static contact 5 bottom the B of room and static contact 5 is lived
Door interlocking gear 7, the handcart type breaker 8 being arranged on breaker chamber C side, the control cable vault that is arranged on breaker chamber C
Backplate 9, be arranged on bottom breaker chamber C in earthed switch interlocking gear 10, be arranged on the cable vault outside the D of power cable room
Visit 19,19 Xiamen, cable vault 15 being connected of being visited with cable vault by cable vault's upper-lower door interlock 16, be arranged on power
Earth bus 11 bottom cable vault D, the mutual device of zero-sequence current 12 being arranged on earthed switch interlocking gear 10 and discharging rod 13,
The earthed switch 14 connected with discharging rod 13 contacts, with quiet, the current transformer 17 that head cartridge 6 is disposed adjacent.
High-tension switch cabinet " five prevent " interlocked operation requirement;
1., when preventing a mistake deciliter chopper circuit breaker cart to necessarily be in operating position or testing position, chopper just can be carried out
Splitting or integrating lock operates.
2. prevent on-load running circuit breaker handcart circuit breaker handcart only ability under chopper is in gate-dividing state
Carry out pulling out or pushing the operation of operating position.
3., when preventing charged conjunction earthing circuit breaker cart to necessarily be in testing position, earthing just can carry out the behaviour that closes a floodgate
Make.
4., when preventing cutter power transmission earthing with ground to necessarily be in open position, circuit breaker cart just can push working position
Put and carry out closing operation.
5. prevent mistakenly entering charged chamber circuit breaker cart to necessarily be in testing position, when earthing is in "on" position,
Just can open back door；The switch cubicle not having earthing just must can open back door after high pressure has a power failure (opening back door electromagnetic lock).
Note: high-tension switch cabinet, when properly functioning, should close door operation.
One, power transmission operation sequence:
By handcart transfer dolly, circuit breaker cart (or PT handcart, isolation handcart, fuse handcart) is pushed switch cubicle；Handcart
When entering cabinet, the left and right handle of handcart is inwardly pulled to handle II position and handcart pushes the testing position of switch cubicle, then simultaneously
The left and right handle of handcart is outwards pushed into handle I position simultaneously, makes handcart advancing mechanism and switch cubicle positive lock.
The secondary plug of handcart is inserted in the Secondary socket of switch cubicle, and lock with fastener；
Closing switch cabinet back door (cable chamber door) and Qianmen (circuit breaker chamber door)；Open earthing operation valve, grasp with earthing
Make handle (counterclockwise) and open earthing, extract earthing operation handle out and close earthing operation valve, and confirm ground connection
Cutter is in gate-dividing state.
On and off switch (or the secondary fuse) places such as control, combined floodgate, signal, exchange and the busbar voltage that inspection instrument is indoor
In "on" position, and measure after supply voltage belongs to normal range, close control room's door.
With on the spot or remote operation mode to control to operate (being in switch cubicle testing position) chopper splitting or integrating each the most once,
Confirm that breaker control circuit wiring and signal circuit show correctly.
Open handcart mechanism operation valve, advance crank (clockwise) that handcart pushes switch cubicle working position with handcart
Put (handcart can send " card clatter " padlock sound when arriving operating position), take out handcart and advance crank and close handcart mechanism behaviour
Make valve.
With on the spot or remote operation mode control operate (being in switch cubicle operating position) breaker closing.
Checking that the electrification display A/B/C three-phase display lamp of switch cubicle is bright, now switch cubicle has been in electrification in high voltage state,
Measure or observe the busbar voltage that shows of microcomputer protecting device and go out whether line current is in normal range.
Two, power failure operation program:
With on the spot or remote operation mode control operate (being in switch cubicle operating position) breaker open operation.
Check that the electrification display A/B/C three-phase display lamp of switch cubicle extinguishes.Now switch cubicle has been in high-voltage terminal side
Power-off, but high voltage bus side is still within electriferous state (hot stand-by duty).
Open handcart mechanism operation valve, advance crank (counterclockwise) that handcart is withdrawn into switch cubicle test with handcart
Position (can send the padlock sound of " card clatter ") during handcart arrival testing position, take out handcart and advance crank also to close handcart mechanism
Operation valve.
Now chopper is in switch cubicle testing position, belongs to power failure dormant state (cold standby state).Again during power transmission
The 1st of power transmission operation sequence the, 2,3 operating procedures can be omitted.
Three, the operation sequence outside handcart pull-out cabinet:
When circuit breaker cart (or PT handcart, isolation handcart, fuse handcart) needs to pull out outside cabinet, should first complete power failure operation
The institute of program is in steps.
When needing to carry out earthing closing operation, should first open earthing operation valve, operate handle (up time with earthing
Pin direction) make earthing close a floodgate, extract earthing operation handle out and confirm that earthing is in "on" position.(such as need not ground connection
Cutter closing operation, can not carry out this operation)
Open front door of switch cabinet (circuit breaker chamber door), pull out the secondary plug of handcart.
5. before handcart transfer dolly being placed and is locked in switch cubicle, specify position；By the left and right handle of handcart the most inwardly
It is pulled to handle II position, and handcart is drawn out on transport carriage, the left and right handle of handcart is outwards pushed into handle I position simultaneously
With transport carriage lockhole positive lock.
6. check that the upper and lower static contact protection valve in switch cubicle is in automatic make position, closing switch cabinet Qianmen
(circuit breaker chamber door).
Four, high tension cable room interruption maintenance operation sequence:
1. complete the institute of power failure operation program in steps.
2. opening earthing operation valve, operate handle (clockwise) with earthing and make earthing close a floodgate, extraction connects
Ground cutter operation handle also confirms that earthing is in "on" position.Now cable outlet side has been in safety ground state.
3. open rear door of switch cabinet (cable chamber door), detect with high voltage testing device and all leading of confirming in cable vault
After electricity part is completely in power down mode, maintainer just can enter high tension cable room and be operated.
Five, high voltage bus room interruption maintenance operation sequence:
1. complete the institute of power failure operation program in steps.
2. reaffirm that incoming line cabinet and block switch board breaker handcart have been in testing position or the outer isolated location of cabinet,
And confirm that inlet wire cable or bus have been in complete power down mode.
3. open back shroud or the top board of high voltage bus room, the institute detected with high voltage testing device and confirm in bus-bar room
After having current-carrying part to be completely in no-voltage condition, maintainer just can enter high voltage bus room and be operated.
Important hints: when primary system is if any two electric power incoming lines switch and a bus connection switch, electric power incoming line cabinet, standby
Electrical interlocks should be had between incoming line cabinet and bus connection switch cabinet.
(1) when electric power incoming line cabinet (1# incoming line cabinet) or standby incoming line cabinet (2# incoming line cabinet) put into operation simultaneously,
A. bus connection switch cabinet is forbidden to close a floodgate, and bus connection switch should be at separating brake isolation (testing position) state.
B. electric power incoming line cabinet (1# incoming line cabinet) is individually for I section of main bus-bar and powers；
The most standby incoming line cabinet (2# incoming line cabinet) is individually for II section of main bus-bar and powers.
(2) electric power incoming line cabinet (or standby incoming line cabinet) wherein one when individually putting into operation, bus connection switch cabinet could close a floodgate.
After bus connection switch cabinet closes a floodgate, electric power incoming line cabinet (1# incoming line cabinet) or standby incoming line cabinet (2# incoming line cabinet) can be I section and II section simultaneously
Main bus-bar is powered.
Points for attention:
After each step of operation sequence completes, it is necessary to after confirming that switch cubicle and handcart parts are in normal condition, just can enter
The procedure operation of row next step.First procedure above in operation, as run into any obstruction, can not operate by force, should be
Check that operation sequence is whether correct, and after checking and getting rid of other faults, just can proceed with operation.
When control and mode of operation being had particular/special requirement such as user or design, should be controlled by design requirement and be operated.
Switch cubicle power transmission order: metering or bus PT cabinet incoming line cabinet outgoing line cabinet；Switch cubicle power failure order: outgoing line cabinet
Incoming line cabinet metering or bus PT cabinet
PT handcart, isolation handcart, fuse handcart can omit the operating procedure about earthing when carrying out into cabinet or offer for sale and operate.
Closing by hand, opening button and manual energy storing device on circuit breaker cart only uses when debugging or maintenance.
6. user is in energising running, should patrol at any time and recording equipment operation conditions, as abnormal in discovering device existing
As (heating as improper in components and parts or have abnormal voice etc.), should interruption maintenance in time.
Above operation sequence is the fundamental procedure of high-tension switch cabinet " five prevent " interlocking (also referred to as interlocking), Yong Hudan
Position also should carry out the operation of relative program in strict accordance with the pertinent regulations of affiliated power supply management department " safety regulation for operations ".
The technical scheme that the embodiment of the present invention provides has the benefit that
Use sleeve pipe parcel bus, reduce insulation distance and the bus insulation distance to cabinet shell between bus；Use pressure release
The parts such as device and spark gap, enhance the security performance of high-tension switch cabinet, easy and simple to handle, easy to use, safe and reliable, stable
Property high.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (1)
1. a high-tension switch cabinet, it is characterised in that described high-tension switch cabinet includes cabinet, is set in sequence in described cabinet successively
On Xiamen, circuit breaker chamber door and control room's door, control room, the bus-bar room being arranged in described cabinet top, be arranged on described
Breaker chamber, power cable room in cabinet, it is arranged on the little bus-bar room above described control room, is arranged on described breaker chamber
The breaker chamber pressure relief device of top, it is arranged on the bus-bar room pressure relief device above described bus-bar room, is arranged on described power current
Cable vault's pressure relief device above cable room, it is arranged on the double-acting door of side in described control room, is arranged on bottom described control room
Linear quadratic control plug-in unit interlock, the bus-bar room back door being arranged in described bus-bar room, it is arranged in described bus-bar room back door
Branch bar that the main bus-bar wrapped up by wall bushing is connected with described main bus-bar, it is arranged on the stationary contact bottom described bus-bar room
Head and described static contact match the stationary contact head cartridge arranged, the stationary contact chain machine of head cartridge valve that is arranged on described stationary contact head cartridge
Structure, the handcart type breaker being arranged on described breaker chamber side, the control cable vault backplate being arranged on described breaker chamber,
Earthed switch interlocking gear in being arranged on bottom described breaker chamber, it is arranged in the cable vault of described power cable outside
Door, visited with described cable vault by cable vault's upper-lower door interlock be connected Xiamen, cable vault, be arranged on described power current
Earth bus bottom cable room, the mutual device of zero-sequence current being arranged on described earthed switch interlocking gear and discharging rod are with described
The earthed switch that discharging rod connects quiet contacts the current transformer that head cartridge is disposed adjacent with described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401246.9A CN105932586A (en) | 2016-06-09 | 2016-06-09 | High-voltage switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610401246.9A CN105932586A (en) | 2016-06-09 | 2016-06-09 | High-voltage switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105932586A true CN105932586A (en) | 2016-09-07 |
Family
ID=56833652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610401246.9A Pending CN105932586A (en) | 2016-06-09 | 2016-06-09 | High-voltage switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105932586A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505419A (en) * | 2016-11-11 | 2017-03-15 | 安徽中电电气有限公司 | A kind of switch cubicle of the quick secondary connection of energy |
| CN106936089A (en) * | 2017-03-20 | 2017-07-07 | 正泰电气股份有限公司 | Environment protection type high pressure switchgear |
| CN107293981A (en) * | 2017-06-30 | 2017-10-24 | 国网福建省电力有限公司 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
| CN108736369A (en) * | 2017-04-18 | 2018-11-02 | 北海银河开关设备有限公司 | A kind of medium pressure gas insulation looped network bus section cabinet |
-
2016
- 2016-06-09 CN CN201610401246.9A patent/CN105932586A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106505419A (en) * | 2016-11-11 | 2017-03-15 | 安徽中电电气有限公司 | A kind of switch cubicle of the quick secondary connection of energy |
| CN106936089A (en) * | 2017-03-20 | 2017-07-07 | 正泰电气股份有限公司 | Environment protection type high pressure switchgear |
| CN108736369A (en) * | 2017-04-18 | 2018-11-02 | 北海银河开关设备有限公司 | A kind of medium pressure gas insulation looped network bus section cabinet |
| CN107293981A (en) * | 2017-06-30 | 2017-10-24 | 国网福建省电力有限公司 | A kind of key power transmission and the handcart switch cabinet of key maintenance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160907 |