CN203813519U - Centralized-control intelligent power distribution cabinet - Google Patents
Centralized-control intelligent power distribution cabinet Download PDFInfo
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- CN203813519U CN203813519U CN201320895273.8U CN201320895273U CN203813519U CN 203813519 U CN203813519 U CN 203813519U CN 201320895273 U CN201320895273 U CN 201320895273U CN 203813519 U CN203813519 U CN 203813519U
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- cabinet
- power distribution
- current
- compensation
- circuit breaker
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- 239000003990 capacitor Substances 0.000 claims abstract description 25
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 description 6
- 230000004224 protection Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009131 signaling function Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model provides a centralized-control intelligent power distribution cabinet which comprises an inlet wire cabinet, outlet wire cabinets and a capacitor compensation cabinet. The centralized-control intelligent power distribution cabinet is characterized in that the inlet wire cabinet obtains a power supply from the low-voltage side of a power transformer; the output of the inlet wire cabinet is connected with the outlet wire cabinets; and the capacitor compensation cabinet is connected to a power bus in a parallel way. The inlet wire cabinet, the outlet wire cabinets and the capacitor compensation cabinet adopt intelligent elements. By means of effective combination and connection, the inlet wire cabinet, the outlet wire cabinets and the capacitor compensation cabinet which can work independently can be connected with a background computer through an R485 on-site bus. Multiple groups of intelligent power distribution cabinets can be integrally managed through the background computer. The centralized-control intelligent power distribution cabinet is an updated product of a conventional power distribution cabinet.
Description
Technical field
The utility model relates to a kind of electric power distributing cabinet, relates in particular to a kind of centralized control intelligent power distribution cabinet.
Background technology
Electric power distributing cabinet is a kind of conventional power supply device, for the distribution of electric power system, metering, protection and reactive power compensation, along with China's rapid development of economy, the electric power system of China has entered the management epoch of intelligent grid, low-voltage distribution cabinet is the basic power supply unit of China's low voltage electric network, this having a large capacity and a wide range, the low-voltage distribution cabinet of One's name is legion belongs to traditional unit distributing function at present mostly, do not there is intelligent control function, cause China's low voltage electric network electricity loss large, failure rate is higher, advantage has been created in the transformation that appears as China's intelligent power distribution cabinet of intelligent electric appliance element.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of conventional art unit power distribution cabinet, provides one to have intelligent function, can carry out by background computer the intelligent power distribution cabinet of integrated management.
For achieving the above object, the utility model is one group of centralized control intelligent power distribution cabinet, comprise incoming line cabinet, outgoing line cabinet, capacitor compensation cabinet and connection bus, incoming line cabinet described in it is characterized in that is obtained power supply from the low-pressure side of power transformer, output connects each outgoing line cabinet, capacitor compensation cabinet is connected in parallel on power bus, described incoming line cabinet, outgoing line cabinet, capacitor compensation cabinet both can singly have been organized work, also can be connected with background computer by R485 fieldbus, concentrate monitoring and controlling to manage by background computer.
In the intelligent power distribution cabinet of said structure, described incoming line cabinet comprises main bus bar, isolating switch, main circuit breaker, current transformer and supervisory instrument, the power supply main bus bar of power transformer low-pressure side connects isolating switch end of incoming cables, isolating switch outlet termination main circuit breaker, main circuit breaker is tapped into each power distribution cabinet by the main bus bar and the vertical bus that are horizontally set on each power distribution cabinet top by power supply, described main circuit breaker has the overvoltage to total load circuit, under-voltage phase shortage, overcurrent, the defencive functions such as short circuit, described isolating switch is for isolating the not power-on serving to way circuit, described current transformer comprises metering current mulual inductor and standby current instrument transformer, metering current mulual inductor is obtained secondary current from the output of main circuit breaker and is inputed to metering electric energy meter, as the foundation of load power consumption, the magnetictrip of main circuit breaker obtained secondary current and inputs to by standby current instrument transformer from the output of main circuit breaker, capacitance compensation controller and supervisory instrument, also can be used as the sampling current of background computer.
In the intelligent power distribution cabinet of said structure, described outgoing line cabinet comprises various power unit power distribution cabinets, can be set to one, also can be set to many, in every unit power distribution cabinet, according to the capacity by electric loading and quantity, multichannel isolating switch is set, load cut-off device and standby current instrument transformer, described isolating switch is from the access of cabinet top power level output main bus bar, output connects load cut-off device, load cut-off device is connected to each by electric loading from the bottom of power distribution cabinet by cable, magnetictrip and the supervisory instrument of each cabinet load cut-off device obtained secondary current and export to by described standby current instrument transformer from isolating switch output, described load cut-off device can be breaker of plastic casing, also can be residual current circuit breaker, so that each unit power distribution cabinet is carried out to overcurrent by electric loading, short circuit, the electricity protections such as electric leakage.
In the intelligent power distribution cabinet of said structure, described capacitor compensation cabinet comprises compensating controller, band fuse disconnecting switch and multiple building-out capacitors loop, described building-out capacitor loop comprises fling-cut switch, protective circuit breaker, compensation condenser, described band fuse disconnecting switch is from the access of cabinet top power level output main bus bar, output connects the fling-cut switch in each building-out capacitor loop in succession, protective circuit breaker and compensation condenser, described plays the effect of overcurrent or short-circuit protection is carried out in each building-out capacitor loop on the one hand with fuse disconnecting switch, not power-on serving that simultaneously can isolation capacitance compensation circuit, described compensating controller is according to the voltage of obtaining, the timely switching of current signal control fling-cut switch to compensation condenser, to drop into or to disconnect compensation condenser to reach the reactive compensation power factor of current supply circuit setting.
In the intelligent power distribution cabinet of said structure, described main circuit breaker, load cut-off device are all with magnetictrip, main circuit breaker, load cut-off device, metering electric energy meter and compensating controller are provided with R485 standard communication interface simultaneously, can be connected with background computer by fieldbus, concentrate and monitor and manage by background computer.
The beneficial effect that the intelligent power distribution cabinet of above structure has is: described incoming line cabinet, outgoing line cabinet, capacitor compensation cabinet both can singly have been organized work, also can be connected to background computer by fieldbus by R485 communication interface manages, realize remote measurement, remote control, remote signaling function to distribution system, realizing the intelligent power supply management of pipe network, is the renewal product of traditional power distribution cabinet.
Brief description of the drawings
Fig. 1 is one group of centralized control intelligent power distribution cabinet main circuit structure schematic diagram of the utility model.
Embodiment
As shown in Figure 1, the utility model is one group of centralized control intelligent power distribution cabinet, comprise incoming line cabinet 1, outgoing line cabinet 2,3, capacitor compensation cabinet 4, described incoming line cabinet 1 is obtained power supply from the low-pressure side of power transformer, output connects each outgoing line cabinet, capacitor compensation cabinet 4 is connected in parallel on power bus, and this intelligent power distribution cabinet both can singly have been organized work, also can on background computer, carry out by R485 fieldbus many groups and concentrate monitoring and controlling management.
In the intelligent power distribution cabinet of said structure, described incoming line cabinet 1 comprises power supply input main bus bar 100, output main bus bar 101, isolating switch 102, main circuit breaker 105, current transformer 103, 104 and metering supervisory instrument, the power supply input main bus bar 100 of power transformer low-pressure side connects isolating switch 102 ends of incoming cables, isolating switch 102 outlet termination main circuit breakers 105, main circuit breaker 105 is tapped into each power distribution cabinet by power supply by the vertical bus of each power distribution cabinet by the power supply output main bus bar 101 that is horizontally set on each power distribution cabinet top, main circuit breaker 105 has the overvoltage to total load circuit simultaneously, under-voltage phase shortage, overcurrent, the defencive functions such as short circuit, described isolating switch 102 is for isolating the not power-on serving to total load circuit, described current transformer comprises metering current mulual inductor 103 and standby current instrument transformer 104, metering current mulual inductor 103 is obtained secondary current from the output of main circuit breaker 105 and is inputed to metering electric energy meter, as the foundation of load power consumption, the magnetictrip of main circuit breaker obtained secondary current and inputs to by standby current instrument transformer 104 from the output of main circuit breaker 105, supervisory instrument and as the sampling current of computer management system and capacitance compensation controller.
In the intelligent power distribution cabinet of said structure, described outgoing line cabinet 2, 3 comprise various power unit power distribution cabinets, can be one or more according to the kind of power unit and capacity setting, in every unit power distribution cabinet, according to the capacity by electric loading and quantity, multichannel isolating switch 201 is set, load cut-off device 203 and standby current instrument transformer 202, described isolating switch 201 accesses by vertical bus from cabinet top power level output main bus bar 101, output connects load cut-off device 203, load cut-off device 203 connects and exports each electric loading of using to from power distribution cabinet bottom by cable, described standby current instrument transformer 202 is obtained secondary current from isolating switch 201 outputs and is exported each cabinet supervisory instrument to, described load cut-off device 203 can be breaker of plastic casing, also can be residual current circuit breaker 204, with to carrying out overcurrent by electric loading, short circuit, the electricity protections such as electric leakage.
In the intelligent power distribution cabinet of said structure, described capacitor compensation cabinet 4 comprises compensating controller, band fuse disconnecting switch 401 and multiple building-out capacitors loop, described building-out capacitor loop comprises fling-cut switch 403, protective circuit breaker 402, compensation condenser 404, 405, described band fuse disconnecting switch 401 accesses from cabinet top power level output main bus bar 101, output connects the fling-cut switch 403 in each building-out capacitor loop in succession, protective circuit breaker 402 and three-phase compensation capacitor 404, single-phase compensation condenser 405, for three-phase reactive power compensation and single-phase reactive power compensation to electric load circuit, described plays the effect of overcurrent and short-circuit protection is carried out in each building-out capacitor loop on the one hand with fuse disconnecting switch 403, not power-on serving that simultaneously can isolation capacitance compensation circuit, described compensating controller is according to the voltage of obtaining, current signal control fling-cut switch 403 is to compensation condenser 404, 405 switching, to drop into or to disconnect compensation condenser to reach the reactive compensation power factor of current supply circuit requirement.
In one group of intelligent power distribution cabinet of said structure, described main circuit breaker, load cut-off device are all with magnetictrip, there is remote auto combined floodgate, separating brake function, main circuit breaker, load cut-off device, metering electric energy meter and compensating controller are provided with R485 standard communication interface simultaneously, it both can singly organize work, also can be connected to background computer by fieldbus, be managed concentratedly by background computer.
Claims (4)
1. one group of centralized control intelligent power distribution cabinet, comprise incoming line cabinet, outgoing line cabinet, capacitor compensation cabinet and connection bus, incoming line cabinet described in it is characterized in that is obtained power supply from the low-pressure side of power transformer, output connects each outgoing line cabinet, capacitor compensation cabinet is connected in parallel on power bus, described incoming line cabinet, outgoing line cabinet, capacitor compensation cabinet both can singly have been organized work, also can be connected with background computer by R485 fieldbus, were concentrated and were monitored and management by background computer.
2. centralized control intelligent power distribution cabinet according to claim 1, it is characterized in that: described incoming line cabinet comprises main bus bar, isolating switch, main circuit breaker, current transformer and metering surveillance, the low-pressure side of power transformer connects isolating switch end of incoming cables by output main bus bar, isolating switch outlet termination main circuit breaker, main circuit breaker is vertically tapped into each power distribution cabinet by the power level output main bus bar that is arranged on each power distribution cabinet top, described current transformer comprises metering current mulual inductor and standby current instrument transformer, metering current mulual inductor is obtained secondary current from the output of main circuit breaker and is inputed to metering electric energy meter, the magnetictrip of described main circuit breaker obtained secondary current and inputs to by standby current instrument transformer from the output of main circuit breaker, capacitance compensation controller and supervision electric energy meter, also can be used as sampling current and export background computer to.
3. centralized control intelligent power distribution cabinet according to claim 1 and 2, it is characterized in that: described outgoing line cabinet comprises various power unit power distribution cabinets, can be one, also can be many, inside arranges multichannel isolating switch according to the capacity by electric loading and quantity, load cut-off device and standby current instrument transformer, described isolating switch is from the access of cabinet top power level output main bus bar, output connects load cut-off device, load cut-off device is connected to each by electric loading from the bottom of power distribution cabinet by cable, described standby current instrument transformer is obtained secondary current from isolating switch output and is exported supervisory instrument to, described load cut-off device can be breaker of plastic casing, also can be residual current circuit breaker.
4. centralized control intelligent power distribution cabinet according to claim 1 and 2, it is characterized in that: described capacitor compensation cabinet comprises compensating controller, band fuse disconnecting switch and multiple compensation condensers loop, described compensation condenser loop comprises fling-cut switch, protective circuit breaker, compensation condenser, described band fuse disconnecting switch is from the access of cabinet top power level output main bus bar, output connects the fling-cut switch in each compensation condenser loop in succession, protective circuit breaker and compensation condenser, described compensating controller is according to the voltage of obtaining, current signal is controlled the switching of fling-cut switch to compensation condenser in time, to drop into or to disconnect compensation condenser to reach the reactive compensation power factor of current supply circuit setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895273.8U CN203813519U (en) | 2013-12-27 | 2013-12-27 | Centralized-control intelligent power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320895273.8U CN203813519U (en) | 2013-12-27 | 2013-12-27 | Centralized-control intelligent power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN203813519U true CN203813519U (en) | 2014-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320895273.8U Expired - Fee Related CN203813519U (en) | 2013-12-27 | 2013-12-27 | Centralized-control intelligent power distribution cabinet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899015A (en) * | 2017-03-24 | 2017-06-27 | 西安特锐德智能充电科技有限公司 | A kind of underground garage power supply-distribution system |
| CN114019879A (en) * | 2021-11-08 | 2022-02-08 | 河南数字中原数据有限公司 | High-low voltage power distribution cabinet monitoring system |
| CN114498670A (en) * | 2022-02-28 | 2022-05-13 | 英奈科(北京)智能系统有限公司 | Low-voltage switch capacitance compensation cabinet based on Internet of things |
-
2013
- 2013-12-27 CN CN201320895273.8U patent/CN203813519U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899015A (en) * | 2017-03-24 | 2017-06-27 | 西安特锐德智能充电科技有限公司 | A kind of underground garage power supply-distribution system |
| CN114019879A (en) * | 2021-11-08 | 2022-02-08 | 河南数字中原数据有限公司 | High-low voltage power distribution cabinet monitoring system |
| CN114019879B (en) * | 2021-11-08 | 2024-03-15 | 河南数字中原数据有限公司 | High-low voltage power distribution cabinet monitoring system |
| CN114498670A (en) * | 2022-02-28 | 2022-05-13 | 英奈科(北京)智能系统有限公司 | Low-voltage switch capacitance compensation cabinet based on Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHENGFENG ELECTRIC POWER TECHNOLOGY CO., LTD. Free format text: FORMER NAME: ZHEJIANG SHENGFENG UNITIZED ELECTRIC CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 325603 No. 160 Hui Hui North Road, Panshi Industrial Park, North white elephant Town, Zhejiang, Yueqing Patentee after: SHENGFENG ELECTRIC POWER TECHNOLOGY CO.,LTD. Address before: 325603 Henan village, North white elephant Town, Zhejiang, Yueqing Patentee before: ZHEJIANG SHENGFENG COMPLETE ELECTRIC CO.,LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 |