CN203086118U - 10kV cable network feeder automation device - Google Patents
10kV cable network feeder automation device Download PDFInfo
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- CN203086118U CN203086118U CN 201320054225 CN201320054225U CN203086118U CN 203086118 U CN203086118 U CN 203086118U CN 201320054225 CN201320054225 CN 201320054225 CN 201320054225 U CN201320054225 U CN 201320054225U CN 203086118 U CN203086118 U CN 203086118U
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- load switch
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- 238000004891 communication Methods 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 9
- 238000005259 measurement Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a 10kV cable network feeder automation device connected to a ring main unit. The 10kV cable network feeder automation device includes a switch device and a measurement and control device. The switch device includes a vacuum load switch, an electronic zero-sequence voltage transformer, an electronic voltage transformer and a three-phase integrated current transformer. The vacuum load switch is connected between a wire inlet side of the ring main unit and a wire outlet side of the ring main unit. The vacuum load switch is also connected to the measurement and control device through a plug connector. The three-phase integrated current transformer is connected between the vacuum load switch and the wire inlet side of the ring main unit. An input terminal of the electronic zero-sequence voltage transformer is connected between the vacuum load switch and the wire inlet side of the ring main unit. An output terminal of the electronic zero-sequence voltage transformer is connected to the measurement and control device through a plug connector. An input terminal of the electronic voltage transformer is connected between the vacuum load switch and the wire outlet side of the ring main unit. An output terminal of the electronic voltage transformer is connected to the measurement and control device through a plug connector. The 10kV cable network feeder automation device provided by the utility model is small in size, simple in circuit connection, stable in operation and safe and reliable in use.
Description
Technical field
The utility model relates to the power cable feeder network automation field, particularly relates to a kind of 10kV power cable feeder network automation device.
Background technology
The feeder automation of 10kV electric distribution network overhead wire was through the development in surplus ten years, its technology and product are very ripe and be used widely, but wiretap does not overlap because of going out in standing in the construction of 10kV power distribution network cable line feeder automation, cable line characteristic complexity, space, switch room are little, at a high speed and reliably communication network is difficult to large tracts of land construction etc., its slower development for many years.Its construction level of existing cable net feeder automation at present is uneven, the main problem that exists has: old switch cabinet automation equipment is few, can't excise automatically or isolated fault, simultaneously the space is little in the old switch cashier's office, according to the size transformation of existing cable automation complete set of equipments get up difficulty greatly, lower, the Operations,Administration And Maintenance of poor practicability, wiring complexity, security performance bothers very much.
The utility model content
Based on this, the utility model provides a kind of 10kV power cable feeder network automation device, and this device volume is little, circuit connects simple, stable, safe and reliable.
A kind of 10kV power cable feeder network automation device is connected on the ring main unit, comprises switchgear and measuring and controlling equipment;
Described switchgear comprises vacuum load switch, electronic type zero sequential potential transformer, electronic type voltage transformer and three-phase integrated formula current transformer;
Described vacuum load switch is connected between looped network cabinet wire side and the ring main unit outlet side, and described vacuum load switch also is connected to measuring and controlling equipment by plug connector;
Described three-phase integrated formula current transformer is connected between described vacuum load switch and the described looped network cabinet wire side;
The input of described electronic type zero sequential potential transformer is connected between described vacuum load switch and the looped network cabinet wire side, and the output of described electronic type zero sequential potential transformer is connected to described measuring and controlling equipment by described plug connector;
Between that the input of described electronic type voltage transformer is connected to described vacuum load switch and the ring main unit outlet side, the output of described electronic type voltage transformer is connected to described measuring and controlling equipment by described plug connector.
Among embodiment, described plug connector is a multicore aviation socket therein, and the connection of cable is more firm, and the security performance of device is higher.
Therein among embodiment, described switchgear also comprises isolating switch, the described isolating switch of going up is connected between described three-phase integrated formula current transformer and the described vacuum load switch, and vacuum load switch and ring main unit are isolated, and guarantees the safety of service work.
Therein among embodiment, described measuring and controlling equipment comprises AC sampling module, input/output control module, guidance panel, super capacitor, communication module and CPU module, and described AC sampling module, input/output control module, guidance panel, super capacitor and communication module all are connected with described CPU module; Described AC sampling module and described input/output control module also all are connected to described plug connector, and each module by measuring and controlling equipment makes device intelligent automation more.
Among embodiment, described communication module is the GPRS communication module therein, and the circuit that can effectively reduce device connects.
Above-mentioned 10kV power cable feeder network automation device, can be widely used in the construction of 10kV power cable feeder network automation, this device adopts electronic type zero sequential potential transformer and electronic type threephase potential transformer to be connected in the switch can effectively measure residual voltage, both sides three-phase voltage, has dwindled the switch cubicle size greatly; Be serially connected with vacuum load switch inlet wire side effectively measurement circuitry three-phase current and zero-sequence current by three-phase integrated formula current transformer, certainty of measurement is higher; The utility model has been realized Intellectualized monitoring by each module in the measuring and controlling equipment, can realize quick isolated fault in time by vacuum load switch excision power supply during the electric current and voltage abnormal conditions in detecting the cable system feeder line; Advantages such as that the super capacitor that the utility model adopts has is non-maintaining, power supply safety is reliable, stable.
Description of drawings
Fig. 1 is the structural representation of the utility model 10kV power cable feeder network automation device.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
As shown in Figure 1, be the structural representation of the utility model 10kV power cable feeder network automation device, comprise switchgear 10, measuring and controlling equipment 20;
Described switchgear 10 comprises vacuum load switch 101, electronic type zero sequential potential transformer 102, electronic type voltage transformer 103 and three-phase integrated formula current transformer 104;
Described vacuum load switch 101 is connected between looped network cabinet wire side and the ring main unit outlet side, and described vacuum load switch 101 also is connected to measuring and controlling equipment 20 by plug connector 30;
Described three-phase integrated formula current transformer 104 is connected between described vacuum load switch 101 and the described looped network cabinet wire side; Be serially connected with vacuum load switch 101 inlet wire sides, effectively measurement circuitry three-phase current and zero-sequence current by three-phase integrated formula current transformer 104;
The input of described electronic type zero sequential potential transformer 102 is connected between described vacuum load switch 101 and the looped network cabinet wire side, and the output of described electronic type zero sequential potential transformer 102 is connected to described measuring and controlling equipment 20 by described plug connector 30;
Between that the input of described electronic type voltage transformer 103 is connected to described the vacuum load switch 101 and ring main unit outlet side, the output of described electronic type voltage transformer 103 is connected to described measuring and controlling equipment 20 by described plug connector 30;
By adopting described electronic type zero sequential potential transformer 102 and electronic type threephase potential transformer 103 to be connected to residual voltage and the both sides three-phase voltage that effectively to measure ring main unit in the switchgear 10, the volume of electronic type zero sequential potential transformer 102 and electronic type threephase potential transformer 103 is less, certainty of measurement is high, has dwindled switch cubicle size and volume greatly;
In a preferred embodiment, described plug connector 30 is a multicore aviation socket, adopts multicore aviation socket as plug connector, and the connection of cable is more firm, and the security performance of device is higher.
In a preferred embodiment, described switchgear 10 also comprises isolating switch 105, and the described isolating switch 105 of going up is connected between described three-phase integrated formula current transformer 104 and the described vacuum load switch 101; By last isolating switch vacuum load switch and ring main unit are isolated, guarantee the safety of service work.
In a preferred embodiment, described measuring and controlling equipment 20 comprises AC sampling module 201, input/output control module 202, guidance panel 203, super capacitor 204, communication module 205 and CPU module 206, and described AC sampling module 201, input/output control module 202, guidance panel 203, super capacitor 204 and communication module 205 all are connected with described CPU module 201; Described AC sampling module 201 and described input/output control module 202 also all are connected to described plug connector 30; The AC sampling module is by three-phase current, zero-sequence current and the three-phase voltage of cable system feeder line in the ring main unit of electronic type zero sequential potential transformer 102, electronic type threephase potential transformer 103 and 104 collections of three-phase integrated formula current transformer in the plug connector receiving key equipment, CPU module 206 is by detecting the current/voltage situation in the AC sampling module 201, if voltage or electric current occurring occurs unusual, can turn-off by described plug connector 30 control vacuum load switchs 101 by input/output control module 202, realize excision automatically and effectively isolate cable system line fault zone; Super capacitor 204 is used for the quick telegram in reply of non-fault zone, and guidance panel 203 can carry out manual operation to measuring and controlling equipment for the user, and described vacuum load switch is opened or turn-offed.
In a preferred embodiment, described communication module 205 is the GPRS communication module; Communication module adopts the GPRS communication module in the present embodiment, and the circuit that can effectively reduce device connects.
The utility model 10kV power cable feeder network automation device, can be widely used in the construction of 10kV power cable feeder network automation, this device adopts electronic type zero sequential potential transformer and electronic type threephase potential transformer to be connected in the switch can effectively measure residual voltage, both sides three-phase voltage, has dwindled the switch cubicle size greatly; Be serially connected with vacuum load switch inlet wire side effectively measurement circuitry three-phase current and zero-sequence current by three-phase integrated formula current transformer, certainty of measurement is higher; The utility model has been realized Intellectualized monitoring by each module in the measuring and controlling equipment, can realize quick isolated fault in time by vacuum load switch excision power supply during the electric current and voltage abnormal conditions in detecting the cable system feeder line; Advantages such as that the super capacitor that the utility model adopts has is non-maintaining, power supply safety is reliable, stable.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. a 10kV power cable feeder network automation device is connected on the ring main unit, it is characterized in that, comprises switchgear and measuring and controlling equipment;
Described switchgear comprises vacuum load switch, electronic type zero sequential potential transformer, electronic type voltage transformer and three-phase integrated formula current transformer;
Described vacuum load switch is connected between looped network cabinet wire side and the ring main unit outlet side, and described vacuum load switch also is connected to measuring and controlling equipment by plug connector;
Described three-phase integrated formula current transformer is connected between described vacuum load switch and the described looped network cabinet wire side;
The input of described electronic type zero sequential potential transformer is connected between described vacuum load switch and the looped network cabinet wire side, and the output of described electronic type zero sequential potential transformer is connected to described measuring and controlling equipment by described plug connector;
Between that the input of described electronic type voltage transformer is connected to described vacuum load switch and the ring main unit outlet side, the output of described electronic type voltage transformer is connected to described measuring and controlling equipment by described plug connector.
2. 10kV power cable feeder network automation device according to claim 1 is characterized in that, described plug connector is a multicore aviation socket.
3. 10kV power cable feeder network automation device according to claim 1 is characterized in that described switchgear also comprises isolating switch, and the described isolating switch of going up is connected between described three-phase integrated formula current transformer and the described vacuum load switch.
4. 10kV power cable feeder network automation device according to claim 1, it is characterized in that, described measuring and controlling equipment comprises AC sampling module, input/output control module, guidance panel, super capacitor, communication module and CPU module, and described AC sampling module, input/output control module, guidance panel, super capacitor and communication module all are connected with described CPU module; Described AC sampling module and described input/output control module also all are connected to described plug connector.
5. 10kV power cable feeder network automation device according to claim 4 is characterized in that described communication module is the GPRS communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054225 CN203086118U (en) | 2013-01-30 | 2013-01-30 | 10kV cable network feeder automation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320054225 CN203086118U (en) | 2013-01-30 | 2013-01-30 | 10kV cable network feeder automation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203086118U true CN203086118U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320054225 Expired - Lifetime CN203086118U (en) | 2013-01-30 | 2013-01-30 | 10kV cable network feeder automation device |
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| CN (1) | CN203086118U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158644A (en) * | 2015-09-24 | 2015-12-16 | 珠海许继电气有限公司 | Automatic distribution terminal with distribution network single-phase grounding fault detection function |
| CN109119903A (en) * | 2018-08-01 | 2019-01-01 | 南方电网科学研究院有限责任公司 | Distribution network operation monitoring switch cabinet and synchronous phasor measurement system |
| CN112083218A (en) * | 2020-09-23 | 2020-12-15 | 山东科汇电力自动化股份有限公司 | 10kV looped netowrk cabinet zero sequence voltage collection system |
-
2013
- 2013-01-30 CN CN 201320054225 patent/CN203086118U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105158644A (en) * | 2015-09-24 | 2015-12-16 | 珠海许继电气有限公司 | Automatic distribution terminal with distribution network single-phase grounding fault detection function |
| CN109119903A (en) * | 2018-08-01 | 2019-01-01 | 南方电网科学研究院有限责任公司 | Distribution network operation monitoring switch cabinet and synchronous phasor measurement system |
| CN109119903B (en) * | 2018-08-01 | 2020-08-04 | 南方电网科学研究院有限责任公司 | Synchronous phasor measurement system for power distribution network |
| CN112083218A (en) * | 2020-09-23 | 2020-12-15 | 山东科汇电力自动化股份有限公司 | 10kV looped netowrk cabinet zero sequence voltage collection system |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20130724 |
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| CX01 | Expiry of patent term |