CN206820345U - A kind of middle-placed switch cabinet with double-bus configuration system - Google Patents
A kind of middle-placed switch cabinet with double-bus configuration system Download PDFInfo
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- CN206820345U CN206820345U CN201720716586.0U CN201720716586U CN206820345U CN 206820345 U CN206820345 U CN 206820345U CN 201720716586 U CN201720716586 U CN 201720716586U CN 206820345 U CN206820345 U CN 206820345U
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Abstract
It the utility model is related to a kind of middle-placed switch cabinet with double-bus configuration system, including cabinet, the cabinet includes I section bus-bar rooms, II section bus-bar rooms, branch bar in the I sections bus-bar room isolates contactor electrical connection with I section buses through wall bushing, branch bar in the II sections bus-bar room isolates contactor electrical connection with II section buses through wall bushing, breaker upper contact head box is electrically connected the I sections bus isolation contactor and II sections bus isolation contactor, bus measure and control device is electrically connected the I sections bus isolation contactor and II sections bus isolation contactor.Middle-placed switch cabinet provided by the utility model with double-bus configuration system can realize the automatically switching operation of power supply buses by measure and control device, improve the reliability and automaticity of system power supply.
Description
Technical field
It the utility model is related to controller switching equipment technical field, more particularly to a kind of middle-placed switch cabinet with double-bus configuration system.
Background technology
Total distribution substation of steam power plant is that electric power inputs in network system, and generating set electric power is incorporated to, and is owned into region
Power load supplies the center with electric power, if using double-bus switch cabinet, will preferably complete the effect that electric power confluxes and distributed.
In existing double-bus switch cabinet, the switching between double-bus is more manually operated using disconnecting switch, due to isolation
Volume of switch is larger, weight is larger, operational stroke is shorter, causes to operate relatively difficult, and accuracy is not also high in place for operation.
Utility model content
In order to the switching being automatically performed between middle-placed switch cabinet double-bus, ensureing power supply reliability and successional situation
Under, the Supply Security and operability of system are improved, while the labor intensity of operating personnel is reduced, the utility model proposes one
Middle-placed switch cabinet of the kind with double-bus configuration system.
The technical solution of the utility model is as follows：A kind of middle-placed switch cabinet with double-bus configuration system, including cabinet, the cabinet
Including I sections bus-bar room, II sections bus-bar room and vacuum interrupter room；Pacify in the I sections bus-bar room and the II sections bus-bar room
Equipped with support insulator, branch bar, wall bushing and main bus-bar, the main bus-bar and external high pressure power electric connection are described
Branch bar is electrically connected by the support insulator with the main bus-bar；The vacuum interrupter indoor location has I sections female
Line isolation contactor, II sections bus isolation contactor and breaker upper contact head box；The branch bar in the I sections bus-bar room
Isolate contactor with the I sections bus through the wall bushing to electrically connect, the branch bar in the II sections bus-bar room
Isolate contactor electrical connection with the II sections bus through the wall bushing, the breaker upper contact head box is electrically connected institute
State I sections bus isolation contactor and II sections bus isolation contactor.
The beneficial effects of the utility model are：Connected between double-bus and contact of breaker box by isolation contactor, and
Isolation contactor can be electrically connected with bus measure and control device, due to applied to the disconnecting switch on existing middle-placed switch cabinet mainly by manual
Operation, the problems such as operation inconvenience being present and can not be controlled by outside, and isolating contactor can then be filled by bus observing and controlling
Put and carry out automatic detection and operation, therefore improve the reliability and automaticity of system power supply, while reduce operator
The labor intensity of member.
On the basis of above-mentioned technical proposal, the utility model can also do following improvement.
Further, the cabinet also includes control room, and bus measure and control device is provided with the control room, and the bus is surveyed
The guidance panel of control device is arranged at control room's leading flank, and the bus measure and control device is electrically connected the I sections bus
Isolate contactor and II sections bus isolation contactor.
Further, the bus measure and control device is local bus automatic switchover measure and control device.
Further, the bus measure and control device is long-range bus automatic switchover measure and control device.
It is using the above-mentioned further beneficial effect of scheme：Contacted by isolation of the bus measure and control device to double-bus loop
Device carries out observing and controlling, it is possible to achieve the manually or automatically switching of bus bar circuit, if using local bus automatic switchover measure and control device,
Local monitor and operation can be realized in middle-placed switch cabinet guidance panel, if using long-range bus automatic switchover measure and control device, can be with
Remote monitoring and operation are being realized from the background, further increase automaticity and security.
Further, the cabinet also includes cable vault, contact box under breaker, Current Mutual Inductance being provided with the cable vault
Device, earthed switch and arrester.
Further, the cabinet also includes breaker chamber, and vacuum circuit breaker is provided with the breaker chamber.
Further, the cabinet also includes small bus-bar room, and the small bus of control is provided with the small bus-bar room.
Brief description of the drawings
Fig. 1 is a kind of positive structure schematic of the middle-placed switch cabinet with double-bus configuration system of the present utility model.
Fig. 2 is a kind of side structure schematic diagram of the middle-placed switch cabinet with double-bus configuration system of the present utility model.
Fig. 3 is the electrical connection schematic diagram that bus of the present utility model isolates contactor and bus measure and control device.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, cabinet, 2, I section bus-bar rooms, 3, II section bus-bar rooms, 4, vacuum interrupter room, 5, cable vault, 6, breaker chamber,
7th, control room, 8, small bus-bar room, 9, support insulator, 10, branch bar, 11, wall bushing, 12, main bus-bar, 13, I section buses
Isolate contactor, 14, II sections bus isolation contactor, 15, breaker upper contact head box, 16, contact box under breaker, 17, electric current
Transformer, 18, earthed switch, 19, arrester, 20, vacuum circuit breaker, 21, bus measure and control device.
Embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit the scope of the utility model.
The utility model provides a kind of middle-placed switch cabinet with double-bus configuration system, is carried out by taking KYN28A high-tension switch cabinets as an example
Explanation.
As depicted in figs. 1 and 2, the middle-placed switch cabinet with double-bus configuration system includes cabinet 1, and cabinet 1 includes I sections bus-bar room 2, II
Section bus-bar room 3 and vacuum interrupter room 4；Be mounted in I sections bus-bar room 2 and the II sections bus-bar room 3 support insulator 9,
Branch bar 10, wall bushing 11 and main bus-bar 12, main bus-bar 12 and external high pressure power electric connection, branch bar 10 pass through branch
Insulator 9 is held to electrically connect with main bus-bar 12；I sections bus isolation contactor 13, II sections are installed in the vacuum interrupter room 4
Bus isolates contactor 14 and breaker upper contact head box 15；Branch bar 10 in I sections bus-bar room 2 passes through the wall bushing 11
Isolate contactor 13 with I section buses to electrically connect, the branch bar 10 in II sections bus-bar room 3 passes through wall bushing 11 and II section buses
Isolation contactor 14 electrically connect, breaker upper contact head box 15 be electrically connected I sections bus isolation contactor 13 and II sections bus every
From contactor 14.
Specifically, it is I sections bus-bar room 2, II sections bus-bar room 3 in cabinet 1, true using the cabinet of KYN28A high-tension switch cabinets
Each part of empty disconnecting switch room 4 and its inside is the corresponding component in cabinet in the prior art.But by original I sections
Bus isolating switch and II sections bus isolating switch are replaced by I sections bus isolation contactor and the isolation contact of II sections bus respectively
Device.Because disconnecting switch needs are manually operated, and it is then to flow through current induced magnetic field using coil to isolate contactor, closes contact
Close, to reach the electrical equipment of control load, therefore isolation contactor can be controlled by measure and control device, so as to improve system
The reliability and automaticity of power supply, and reduce the labor intensity of operating personnel.
Preferably, bus measure and control device 21 is installed, the guidance panel of bus measure and control device 21 is arranged at instrument in control room 7
The leading flank of table room 7, bus measure and control device 21 are electrically connected I sections bus isolation contactor 13 and II sections bus isolation contactor
14.Bus measure and control device 21 is local bus automatic switchover measure and control device.
Specifically, the two-way circuit of bus measure and control device 21 connects I sections bus isolation contactor 13 and II section buses respectively
Isolate at the terminal of contactor 14, can both monitor I sections bus, the magnitude of current of II section buses, I sections bus can be controlled to isolate again
The break-make of contactor, II sections bus isolation contactor.For example, after I sections bus hinders for some reason or other reasonses are disconnected, bus is surveyed
Corresponding failure situation can be shown by controlling indicator lamp on the guidance panel of device 21 etc., and operating personnel can be by guidance panel
Button etc. realize switching of the switchgear to II section buses, while switchgear automatically can be switched to II section buses.
Preferably, bus measure and control device 21 is long-range bus automatic switchover measure and control device.
Specifically, the communication component in bus measure and control device 21 can realize the communication with background monitoring center, and backstage is supervised
Control center can realize switching of the switchgear in bus-bar system from the background after corresponding failure situation is obtained, and further improve
Security and automaticity.
Preferably, cabinet 1 also includes cable vault 5, contact box 16, current transformer under breaker being provided with cable vault 5
17th, earthed switch 18 and arrester 19.
Preferably, cabinet 1 also includes breaker chamber 6, and vacuum circuit breaker 20 is provided with breaker chamber 6.
Preferably, cabinet also includes small bus-bar room 8, and the small bus of control is provided with small bus-bar room 8.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (7)
1. a kind of middle-placed switch cabinet with double-bus configuration system, it is characterised in that including cabinet (1), it is female that the cabinet (1) includes I sections
Line room (2), II sections bus-bar room (3) and vacuum interrupter room (4)；
Be mounted in the I sections bus-bar room (2) and the II sections bus-bar room (3) support insulator (9), branch bar (10),
Wall bushing (11) and main bus-bar (12), the main bus-bar (12) and external high pressure power electric connection, the branch bar (10)
Electrically connected by the support insulator (9) with the main bus-bar (12)；
I sections bus isolation contactor (13), II sections bus isolation contactor (14) are installed in the vacuum interrupter room (4)
With breaker upper contact head box (15)；
The branch bar (10) in the I sections bus-bar room (2) is isolated through the wall bushing (11) with the I sections bus
Contactor (13) electrically connects, the branch bar (10) in the II sections bus-bar room (3) through the wall bushing (11) with
II sections bus isolation contactor (14) electrical connection, the breaker upper contact head box (15) are electrically connected the I sections bus
Isolate contactor (13) and II sections bus isolation contactor (14).
2. the middle-placed switch cabinet according to claim 1 with double-bus configuration system, it is characterised in that the cabinet (1) also includes
Control room (7), the control room (7) is interior to be provided with bus measure and control device (21), the operating surface of the bus measure and control device (21)
Plate is arranged at the control room (7) leading flank, and the bus measure and control device (21) is electrically connected the I sections bus isolation contact
Device (13) and II sections bus isolation contactor (14).
3. the middle-placed switch cabinet according to claim 2 with double-bus configuration system, it is characterised in that the bus measure and control device
(21) it is local bus automatic switchover measure and control device.
4. the middle-placed switch cabinet according to claim 2 with double-bus configuration system, it is characterised in that the bus measure and control device
(21) it is long-range bus automatic switchover measure and control device.
5. the middle-placed switch cabinet with double-bus configuration system according to any one of Claims 1-4, it is characterised in that the cabinet
(1) also include cable vault (5), contact box under breaker (16), current transformer (17) are installed, connect in the cable vault (5)
Ground switchs (18) and arrester (19).
6. the middle-placed switch cabinet with double-bus configuration system according to any one of Claims 1-4, it is characterised in that the cabinet
(1) also include breaker chamber (6), vacuum circuit breaker (20) is installed in the breaker chamber (6).
7. the middle-placed switch cabinet with double-bus configuration system according to any one of Claims 1-4, it is characterised in that the cabinet
(1) also include small bus-bar room (8), the small bus of control is installed in the small bus-bar room (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720716586.0U CN206820345U (en) | 2017-06-19 | 2017-06-19 | A kind of middle-placed switch cabinet with double-bus configuration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720716586.0U CN206820345U (en) | 2017-06-19 | 2017-06-19 | A kind of middle-placed switch cabinet with double-bus configuration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206820345U true CN206820345U (en) | 2017-12-29 |
Family
ID=60759824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720716586.0U Active CN206820345U (en) | 2017-06-19 | 2017-06-19 | A kind of middle-placed switch cabinet with double-bus configuration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206820345U (en) |
-
2017
- 2017-06-19 CN CN201720716586.0U patent/CN206820345U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A central cabinet with double bus system Effective date of registration: 20220628 Granted publication date: 20171229 Pledgee: Bank of China Limited Wuhan Municipal sub branch Pledgor: HUBEI CHUTIAN ELECTRIC CO.,LTD. Registration number: Y2022420000194 |