CN209016437U - A kind of 10kV switchgear distribution system - Google Patents
A kind of 10kV switchgear distribution system Download PDFInfo
- Publication number
- CN209016437U CN209016437U CN201822149104.5U CN201822149104U CN209016437U CN 209016437 U CN209016437 U CN 209016437U CN 201822149104 U CN201822149104 U CN 201822149104U CN 209016437 U CN209016437 U CN 209016437U
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- China
- Prior art keywords
- cabinet
- metering
- current transformer
- cable
- room
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- Expired - Fee Related
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- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a kind of 10kV switchgear distribution systems, the inlet-outlet line mode of metering cabinet above goes out to be enterprising, the enter line side of incoming line cabinet is disposed with the first breaker, first current transformer, the leading-out terminal of first current transformer is provided with the first arrester, first monitoring arrangement, first voltage metering device, the outgoing line side of incoming line cabinet sets gradually the first zero sequence transformer and the first cable fault indicator, the enter line side of metering cabinet is provided with the second current transformer, the end of incoming cables of second current transformer is provided with second voltage metering device, second monitoring arrangement, the enter line side of outgoing line cabinet is disposed with the second breaker, third current transformer, the leading-out terminal of third current transformer is provided with the second arrester, third monitoring arrangement, earthing switch, the outgoing line side of outgoing line cabinet is disposed with the second cable fault indicator and Two zero sequence transformer.The utility model has the advantages that production cost is low, cabinet body state instruction is obvious, installation and convenient later maintenance.
Description
Technical field
The utility model relates to electrical power distribution system more particularly to a kind of 10kV switchgear distribution systems.
Background technique
Distribution system is the voltage of transformation composed by a variety of controller switching equipments (or element) and distribution facility and directly to end
One electric power network system of end subscriber distribution electric energy.Common wire leading method is successively in existing 10kV switchgear distribution system
Being incoming line cabinet, -- metering cabinet -- PT cabinet -- outgoing line cabinet, PT cabinet act predominantly on portion in the inner and are installed with voltage transformer, to high electricity
Pressure carries out the voltage requirement that decompression adapts to ammeter, carries out the measurement and metering of voltage, such switchgear distribution system is at high cost
The shortcomings that, and cabling and layout setting are unreasonable inside metering cabinet, influence later period maintenance and maintenance, increase the working hour for doing cabinet body
And cost, the state instruction on switchgear is unobvious, cannot intuitively reflect the state of each cabinet body.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of 10kV switchgears at low cost, convenient for installation and maintenance
Distribution system.
In order to achieve the goal above, the utility model uses such a 10kV switchgear distribution system, including successively set
The inlet-outlet line mode of incoming line cabinet, metering cabinet, the outgoing line cabinet set, the metering cabinet above goes out to be enterprising, the enter line side of the incoming line cabinet
It is disposed with the first breaker, the first current transformer, the leading-out terminal of the first current transformer is provided with the first arrester,
One monitoring arrangement, first voltage metering device, first voltage metering device is by the first fuse and transformer group that are sequentially connected in series
At the outgoing line side of incoming line cabinet sets gradually the first zero sequence transformer and the first cable fault indicator, the inlet wire of the metering cabinet
Side is provided with the second current transformer, and the end of incoming cables of the second current transformer is provided with second voltage metering device, the second monitoring
Device, second voltage metering device are made of the second fuse and voltage transformer being sequentially connected in series, the inlet wire of the outgoing line cabinet
Side is disposed with the second breaker, third current transformer, the leading-out terminal of third current transformer be provided with the second arrester,
Third monitoring arrangement, earthing switch, the outgoing line side of outgoing line cabinet is disposed with the second cable fault indicator and the second zero sequence is mutual
Sensor.
Above-mentioned 10kV switchgear distribution system compared with existing distribution system, will be mainly used in PT cabinet voltage measurement and
The part of voltage measurement is distributed to incoming line cabinet and metering cabinet, and in view of what is be directly connected to after metering cabinet is outgoing line cabinet, just
PT cabinet, then the inlet-outlet line by PT cabinet bottom in and top out cannot be connected to according to the inlet-outlet line mode of the upper entering and lower leaving of original metering cabinet
Mode is connected to outgoing line cabinet, this practical metering cabinet directlys adopt enterprising upper inlet-outlet line mode out, eliminates the setting of PT cabinet,
The cost of 10kV switchgear distribution system is greatly reduced, monitoring arrangement and cable event are set simultaneously on incoming line cabinet and outgoing line cabinet
Hinder indicator, more intuitively reflects the state of cabinet body.
This practical metering cabinet that is further arranged to includes metering bus-bar room, metering cable vault, is set in the metering bus-bar room
It is equipped with bus bar copper row and contact box, bus bar copper row fold is connected to contact box, and the second current transformer setting is in metering electricity
In cable room, it is provided with the first bent plate between the metering bus-bar room and metering cable vault, casing is provided on the first bent plate, it is described
Conducting wire is connected on second current transformer, conducting wire passes through in casing connection to bus bar copper row, makes the second current transformer and mother
Line copper bar realizes electrical connection.
Above-mentioned second current transformer is placed on metering cable vault lower part, facilitates installation and the maintenance in later period, and conducting wire passes through
The cabling of casing will not influence the work of internal other equipment, while ensure to measure bus-bar room and measure the separation of cable vault.
This is practical, and to be further arranged to outgoing line cabinet include outlet bus room, outlet cable room, the outlet bus room and is gone out
It is provided with the second bent plate between line cable vault, power cable is provided at the top of the outlet cable room, is set below power cable
It is equipped with electrical beam, the second zero sequence transformer is fixed on electrical beam, and the third current transformer, earthing switch, second are taken shelter from the thunder
Device is arranged in outlet cable room.
Above-mentioned third current transformer is placed on outlet cable room lower part, facilitates installation and the maintenance in later period, electrical cable
The requirement that this practical inlet-outlet line is also complied at the top of outlet cable room is set, and the second zero sequence transformer is consolidated in electrical beam reinforcement
It is fixed.
This practical the first monitoring arrangement, the second monitoring arrangement, third monitoring arrangement of being further arranged to is by a capacitor
It is composed in series with an indicator light.
Detailed description of the invention
Fig. 1 is the utility model embodiment system diagram.
Fig. 2 is the utility model embodiment metering cabinet side sectional view.
Fig. 3 is the utility model embodiment outgoing line cabinet side sectional view.
Specific embodiment
As shown in Figure 1, the utility model is a kind of 10kV switchgear distribution system, including incoming line cabinet 1, the meter set gradually
Cabinet 2, outgoing line cabinet 3 are measured, the inlet-outlet line mode of the metering cabinet 2 above goes out to be enterprising, and the enter line side of the incoming line cabinet 1 is disposed with
First breaker 11, the first current transformer 12, the leading-out terminal of the first current transformer 12 are provided with the first arrester 13, first
Monitoring arrangement 14, first voltage metering device 15, first voltage metering device 15 is by the first fuse 151 that is sequentially connected in series and becomes
Depressor 152 forms, and the outgoing line side of incoming line cabinet 1 sets gradually the first zero sequence transformer 16 and the first cable fault indicator 17, institute
The enter line side for stating metering cabinet 2 is provided with the second current transformer 21, and the end of incoming cables of the second current transformer 21 is provided with the second electricity
Metering device 22, the second monitoring arrangement 23 are pressed, second voltage metering device 22 is by the second fuse 221 and voltage that are sequentially connected in series
Mutual inductor 222 forms, and the enter line side of the outgoing line cabinet 3 is disposed with the second breaker 31, third current transformer 32, third
The leading-out terminal of current transformer 32 is provided with the second arrester 33, third monitoring arrangement 34, earthing switch 35, and outgoing line cabinet 3 goes out
Line side is disposed with the second cable fault indicator 36 and the second zero sequence transformer 37, first monitoring arrangement 14, second
Monitoring arrangement 23, third monitoring arrangement 34 are composed in series by a capacitor and an indicator light.
As shown in Fig. 2, metering cabinet 2 includes metering bus-bar room 24, metering cable vault 25, setting in the metering bus-bar room 24
There are bus bar copper row 241 and contact box 242, the fold of bus bar copper row 241 is connected to contact box 242, second current transformer 21
Setting the metering bus-bar room 24 and measures in metering cable vault 25 and is provided with the first bent plate 26 between cable vault 25, and first
It is provided with casing 261 on bent plate 26, conducting wire 211 is connected on second current transformer 21, conducting wire 211 passes through casing 261
It is connected on bus bar copper row 241, the second current transformer 21 and bus bar copper row 241 is made to realize electrical connection.
As shown in figure 3, outgoing line cabinet 3 includes outlet bus room 38, outlet cable room 39, the outlet bus room 38 and outlet
The second bent plate 40 is provided between cable vault 39, the top of the outlet cable room 39 is provided with power cable 41, power cable
41 lower sections are provided with electrical beam 42, and the second zero sequence transformer 37 is fixed on electrical beam 42, and the third current transformer 32 connects
Ground switch 35, the second arrester 33 are arranged in outlet cable room 39.
Claims (4)
1. a kind of 10kV switchgear distribution system, it is characterised in that: including the incoming line cabinet, metering cabinet, outgoing line cabinet set gradually, institute
It states the inlet-outlet line mode of metering cabinet above to go out to be enterprising, the enter line side of the incoming line cabinet is disposed with the first breaker, the first electricity
Current transformer, the leading-out terminal of the first current transformer are provided with the first arrester, the first monitoring arrangement, first voltage metering dress
It sets, first voltage metering device is made of the first fuse and transformer being sequentially connected in series, and the outgoing line side of incoming line cabinet is set gradually
First zero sequence transformer and the first cable fault indicator, the enter line side of the metering cabinet are provided with the second current transformer, the
The end of incoming cables of two current transformers is provided with second voltage metering device, the second monitoring arrangement, second voltage metering device by according to
Secondary concatenated second fuse and voltage transformer composition, the enter line side of the outgoing line cabinet are disposed with the second breaker, the
Three current transformers, the leading-out terminal of third current transformer are provided with the second arrester, third monitoring arrangement, earthing switch, out
The outgoing line side of line cabinet is disposed with the second cable fault indicator and the second zero sequence transformer.
2. 10kV switchgear distribution system according to claim 1, it is characterised in that: the metering cabinet includes metering bus
Cable vault is measured in room, and bus bar copper row and contact box are provided in the metering bus-bar room, and bus bar copper row fold is connected to contact
Box, the second current transformer setting are provided between the metering bus-bar room and metering cable vault in metering cable vault
First bent plate is provided with casing on the first bent plate, and conducting wire is connected on second current transformer, and conducting wire passes through casing connection
Onto bus bar copper row, the second current transformer and bus bar copper row is made to realize electrical connection.
3. 10kV switchgear distribution system according to claim 1 or 2, it is characterised in that: the outgoing line cabinet includes outlet
Bus-bar room, outlet cable room are provided with the second bent plate, the outlet cable room between the outlet bus room and outlet cable room
Top be provided with power cable, be provided with electrical beam below power cable, the second zero sequence transformer is fixed on electrical beam, institute
Third current transformer, earthing switch, the second arrester is stated to be arranged in outlet cable room.
4. 10kV switchgear distribution system according to claim 1 or 2, it is characterised in that: first monitoring arrangement,
Two monitoring arrangements, third monitoring arrangement are composed in series by a capacitor and an indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149104.5U CN209016437U (en) | 2018-12-20 | 2018-12-20 | A kind of 10kV switchgear distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822149104.5U CN209016437U (en) | 2018-12-20 | 2018-12-20 | A kind of 10kV switchgear distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209016437U true CN209016437U (en) | 2019-06-21 |
Family
ID=66843919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822149104.5U Expired - Fee Related CN209016437U (en) | 2018-12-20 | 2018-12-20 | A kind of 10kV switchgear distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209016437U (en) |
-
2018
- 2018-12-20 CN CN201822149104.5U patent/CN209016437U/en not_active Expired - Fee Related
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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 |
Denomination of utility model: 10kV switch cabinet power distribution system Effective date of registration: 20191108 Granted publication date: 20190621 Pledgee: Zhejiang Chouzhou Commercial Bank Co.,Ltd. Wenzhou Branch Pledgor: HONLE GROUP Co.,Ltd. Registration number: Y2019330000178 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |