CN202276072U - Low voltage intelligent reactive compensation integrated distribution box - Google Patents
Low voltage intelligent reactive compensation integrated distribution box Download PDFInfo
- Publication number
- CN202276072U CN202276072U CN2011203727202U CN201120372720U CN202276072U CN 202276072 U CN202276072 U CN 202276072U CN 2011203727202 U CN2011203727202 U CN 2011203727202U CN 201120372720 U CN201120372720 U CN 201120372720U CN 202276072 U CN202276072 U CN 202276072U
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- China
- Prior art keywords
- low
- circuit breaker
- signal input
- distribution box
- voltage intelligent
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Landscapes
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The utility model relates to a low voltage intelligent reactive compensation integrated distribution box, belonging to the low voltage distribution control technology field. The to-be-solved problem is that an intelligent integrated distribution box integrating incoming and outgoing wire control, ammeter metering and reactive compensation as one is provided, and the employed technical scheme is that the incoming wire end of an isolation switch QS1 is the incoming wire end of the distribution box, the outgoing wire ends Ua, Ub and Uc of the isolation switch QS1 are in series connections with low voltage current transformer TAa, TAb and TAc separately and then are connected with the incoming wire end of a circuit breaker QF1, and the incoming wire end of a circuit breaker QF2 is in parallel connection with the incoming wire end of a circuit breaker QF3 and then is connected with the incoming wire end of the circuit breaker QF1; the outgoing wire end of the circuit breaker QF1 is the first outgoing wire end Q1 of the distribution box, the outgoing wire end of the circuit breaker QF2 is the second outgoing wire end Q2 of the distribution box, and the outgoing wire end of the circuit breaker QF3 is connected with the power supply ends of low voltage intelligent capacitors C1, C2 and C3 separately. The low voltage intelligent reactive compensation integrated distribution box of the utility model is suitable for the fields, such as factory, transformer station, etc.
Description
Technical field
The reactive power compensation integrated distribution box of the utility model low-voltage intelligent belongs to low-voltage distribution control technology field.
Background technology
The turnover line traffic control of China power distribution station, ammeter metering and reactive power compensation part all are mounted in the different distribution boxs basically at present; Volume is big; Install loaded down with trivial detailsly, and use the reactive power compensation of traditional type: China present low-pressure reactive compensation system is assembled by intelligent reactive controller, fuse or little disconnected, thyristor combination switch or contactor, thermal relay, indicator light, the multiple dispersion device of low voltage power capacitor; Device volume is big, power consumption is high, installation and maintenance are loaded down with trivial details, fault self-checking function imperfection, and does not possess the distributing transformer monitoring function; Be badly in need of a kind of comprehensive distribution box that integrates above-mentioned functions, with adaptive technique development and the convenient needs of installing, using.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: a kind of intelligent comprehensive distribution box that integrates turnover line traffic control, ammeter metering and reactive power compensation is provided.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: the reactive power compensation integrated distribution box of low-voltage intelligent comprises: distribution transformer terminals, three-phase digital display electrical measurement table, intelligent electric meter, isolating switch QS1, lightning arrester F1, F2, F3, low-voltage current mutual inductor TAa, TAb, TAc, circuit breaker Q F1, QF2, QF3, low-voltage intelligent capacitor C1, C2, C3, fuse F U1, FU2, FU3, secondary current instrument transformer CT1, CT2, CT3;
The circuit structure of the reactive power compensation integrated distribution box of low-voltage intelligent is: the end of incoming cables of isolating switch QS1 is the distribution box end of incoming cables; The leading-out terminal Ua of isolating switch QS1, Ub, Uc link to each other with the end of incoming cables of circuit breaker Q F1 after being connected in series low-voltage current mutual inductor TAa, TAb, TAc respectively, and the leading-out terminal Ua of isolating switch QS1, Ub, Uc link to each other with lightning arrester F1, F2, F3 respectively; The end of incoming cables of the end of incoming cables of circuit breaker Q F2 and circuit breaker Q F3 and connect the back link to each other with the end of incoming cables of circuit breaker Q F1; The leading-out terminal of said circuit breaker Q F1 is the distribution box first leading-out terminal Q1, and the leading-out terminal of said circuit breaker Q F2 is the distribution box second leading-out terminal Q2; The leading-out terminal of said circuit breaker Q F3 links to each other with the power end of low-voltage intelligent capacitor C1, C2, C3 respectively.
The three-phase end of incoming cables of said circuit breaker Q F3 links to each other with the power supply signal input of distribution transformer terminals after being connected in series fuse F U1, FU2, FU3 respectively; The output of said low-voltage current mutual inductor TAa, TAb, TAc links to each other with the transformer current signal input part of distribution transformer terminals after being connected in series secondary current instrument transformer CT1, CT2, CT3 respectively;
The power supply signal input of three-phase digital display electrical measurement table and the power supply signal input of intelligent electric meter also connect the back and link to each other with the power supply signal input of distribution transformer terminals, and the transformer current signal input part of three-phase digital display electrical measurement table and the transformer current signal input part of intelligent electric meter and connecing afterwards links to each other with the transformer current signal input part of distribution transformer terminals;
The output of said secondary current instrument transformer CT1, CT2, CT3 links to each other with the current signal input of low-voltage intelligent capacitor C1 respectively; The current signal input of said low-voltage intelligent capacitor C2 links to each other with the output of secondary current instrument transformer CT2 with low-voltage intelligent capacitor C3 current signal input and after connecing; The communication terminal of said low-voltage intelligent capacitor C1 and connect the communication terminal of communication terminal and low-voltage intelligent capacitor C3 of low-voltage intelligent capacitor C2 after link to each other with the communication terminal of distribution transformer terminals.
Said distribution transformer terminals is provided with wireless communication module, and said wireless communication module through wireless network with the beneficial effect that distribution monitor center connection the utility model compared with prior art has is:
One, functional diversities: the utility model collection auto-reactive compensation function, electric energy quality monitoring function, distribution transforming monitoring of working condition function and examination function of measuring and one, product height is integrated, and is powerful.
Two, installation and maintenance are convenient: each element adopts plug-in assembling in the casing, can networking between the capacitor, can become idle requirement according to platform and expand, and expansion change convenient; Device lead, contact and device loss greatly reduce, and have reduced the energy consumption of equipment own, have reduced operating temperature in the case simultaneously, have improved operational reliability.
Three, complete self-diagnostic function: the central processing unit of low-voltage intelligent capacitor is measured shell temperature and three-phase current, the voltage of each capacitor, and then realizes overvoltage, under-voltage, the phase failure, short circuit, overcurrent, undercurrent, leakage current, three-phase imbalance, switch fault, crosses defencive functions such as harmonic wave, excess temperature; Complete self-diagnostic function has reduced user's operational inspection workload and convenient searching voluntarily and handling equipment fault.
Four, be convenient to realize telemanagement: distribution transformer terminals can be through the wireless communication module remote regulating that takes remote measurement, thereby realizes functions such as remote measurement, remote signalling, remote reading meter, data acquisition, abnormal information initiatively report.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed explanation.
Fig. 1 is the primary circuit structural representation of the utility model;
Fig. 2 is the secondary circuit structural representation of the utility model.
Among the figure: 1 is that distribution transformer terminals, 2 is that three-phase digital display electrical measurement table, 3 is intelligent electric meter.
Embodiment
Like Fig. 1, shown in Figure 2; The reactive power compensation integrated distribution box of the utility model low-voltage intelligent comprises: distribution transformer terminals 1, three-phase digital display electrical measurement table 2, intelligent electric meter 3, isolating switch QS1, lightning arrester F1, F2, F3, low-voltage current mutual inductor TAa, TAb, TAc, circuit breaker Q F1, QF2, QF3, low-voltage intelligent capacitor C1, C2, C3, fuse F U1, FU2, FU3, secondary current instrument transformer CT1, CT2, CT3;
The circuit structure of the reactive power compensation integrated distribution box of low-voltage intelligent is: the end of incoming cables of isolating switch QS1 is the distribution box end of incoming cables; The leading-out terminal Ua of isolating switch QS1, Ub, Uc link to each other with the end of incoming cables of circuit breaker Q F1 after being connected in series low-voltage current mutual inductor TAa, TAb, TAc respectively, and the leading-out terminal Ua of isolating switch QS1, Ub, Uc link to each other with lightning arrester F1, F2, F3 respectively; The end of incoming cables of the end of incoming cables of circuit breaker Q F2 and circuit breaker Q F3 and connect the back link to each other with the end of incoming cables of circuit breaker Q F1; The leading-out terminal of said circuit breaker Q F1 is the distribution box first leading-out terminal Q1, and the leading-out terminal of said circuit breaker Q F2 is the distribution box second leading-out terminal Q2; The leading-out terminal of said circuit breaker Q F3 links to each other with the power end of low-voltage intelligent capacitor C1, C2, C3 respectively.
The three-phase end of incoming cables of said circuit breaker Q F3 links to each other with the power supply signal input of distribution transformer terminals 1 after being connected in series fuse F U1, FU2, FU3 respectively; The output of said low-voltage current mutual inductor TAa, TAb, TAc links to each other with the transformer current signal input part of distribution transformer terminals 1 after being connected in series secondary current instrument transformer CT1, CT2, CT3 respectively;
The power supply signal input of three-phase digital display electrical measurement table 2 and the power supply signal input of intelligent electric meter 3 also connect the back and link to each other with the power supply signal input of distribution transformer terminals 1, and the transformer current signal input part of three-phase digital display electrical measurement table 2 and the transformer current signal input part of intelligent electric meter 3 and connecing afterwards links to each other with the transformer current signal input part of distribution transformer terminals 1;
The output of said secondary current instrument transformer CT1, CT2, CT3 links to each other with the current signal input of low-voltage intelligent capacitor C1 respectively; The current signal input of said low-voltage intelligent capacitor C2 links to each other with the output of secondary current instrument transformer CT2 with low-voltage intelligent capacitor C3 current signal input and after connecing; The communication terminal of said low-voltage intelligent capacitor C1 and connect the communication terminal of communication terminal and low-voltage intelligent capacitor C3 of low-voltage intelligent capacitor C2 after link to each other with the communication terminal of distribution transformer terminals 1.
Said distribution transformer terminals 1 is provided with wireless communication module, and said wireless communication module through wireless network with the model that the distribution monitor center connects above-mentioned distribution transformer terminals 1 is: NJ-7822HA; The model of three-phase digital display electrical measurement table 2 is: NTS-134; The model of intelligent electric meter 3 is: HDPM6131; The model of isolating switch QS1 is: HR5 630A/3P; The model of lightning arrester F1, F2, F3 is: Y1.5W-0.28/1.3; The model of low-voltage current mutual inductor TAa, TAb, TAc is: BH-0.66-50I 750/5 0.2S; The model of circuit breaker Q F1, QF2 is: NM1-400S 400A/3P; The model of circuit breaker Q F3 is: NM1-225S 160A/3P; The model of low-voltage intelligent capacitor C1 is: NJ-758RF/250-20; The model of low-voltage intelligent capacitor C2 is: NJ-758RS/450-10.10; The model of low-voltage intelligent capacitor C3 is: NJ-758RS/450-20.20; The model of fuse F U1, FU2, FU3 is: NJD-11R/2A: the model of secondary current instrument transformer CT1, CT2, CT3 is: NJ-758-CT 5 (10) A/2.5mA;
Above-mentioned each components and parts can adopt the plug-in assembling, through the RS485 networking, can become idle requirement according to platform and expand between the low-voltage intelligent capacitor; The central processing unit of low-voltage intelligent capacitor is measured shell temperature and three-phase current, the voltage of each capacitor, and then realizes overvoltage, under-voltage, the phase failure, short circuit, overcurrent, undercurrent, leakage current, three-phase imbalance, switch fault, crosses defencive functions such as harmonic wave, excess temperature; Realize the control of capacitor independence switching, can detect the running status of single capacitor.
Claims (2)
1. the reactive power compensation integrated distribution box of low-voltage intelligent comprises: distribution transformer terminals (1), three-phase digital display electrical measurement table (2), intelligent electric meter (3), isolating switch QS1, lightning arrester F1, F2, F3, low-voltage current mutual inductor TAa, TAb, TAc, circuit breaker Q F1, QF2, QF3, low-voltage intelligent capacitor C1, C2, C3, fuse F U1, FU2, FU3, secondary current instrument transformer CT1, CT2, CT3;
It is characterized in that: the circuit structure of the reactive power compensation integrated distribution box of low-voltage intelligent is: the end of incoming cables of isolating switch QS1 is the distribution box end of incoming cables; The leading-out terminal Ua of isolating switch QS1, Ub, Uc link to each other with the end of incoming cables of circuit breaker Q F1 after being connected in series low-voltage current mutual inductor TAa, TAb, TAc respectively, and the leading-out terminal Ua of isolating switch QS1, Ub, Uc link to each other with lightning arrester F1, F2, F3 respectively; The end of incoming cables of the end of incoming cables of circuit breaker Q F2 and circuit breaker Q F3 and connect the back link to each other with the end of incoming cables of circuit breaker Q F1; The leading-out terminal of said circuit breaker Q F1 is the distribution box first leading-out terminal Q1, and the leading-out terminal of said circuit breaker Q F2 is the distribution box second leading-out terminal Q2; The leading-out terminal of said circuit breaker Q F3 links to each other with the power end of low-voltage intelligent capacitor C1, C2, C3 respectively;
The three-phase end of incoming cables of said circuit breaker Q F3 links to each other with the power supply signal input of distribution transformer terminals (1) after being connected in series fuse F U1, FU2, FU3 respectively; The output of said low-voltage current mutual inductor TAa, TAb, TAc links to each other with the transformer current signal input part of distribution transformer terminals (1) after being connected in series secondary current instrument transformer CT1, CT2, CT3 respectively;
The power supply signal input of the power supply signal input of three-phase digital display electrical measurement table (2) and intelligent electric meter (3) also connects the back and links to each other with the power supply signal input of distribution transformer terminals (1), and the transformer current signal input part of the transformer current signal input part of three-phase digital display electrical measurement table (2) and intelligent electric meter (3) and connecing afterwards links to each other with the transformer current signal input part of distribution transformer terminals (1);
The output of said secondary current instrument transformer CT1, CT2, CT3 links to each other with the current signal input of low-voltage intelligent capacitor C1 respectively; The current signal input of said low-voltage intelligent capacitor C2 links to each other with the output of secondary current instrument transformer CT2 with low-voltage intelligent capacitor C3 current signal input and after connecing; The communication terminal of said low-voltage intelligent capacitor C1 and connect the communication terminal of communication terminal and low-voltage intelligent capacitor C3 of low-voltage intelligent capacitor C2 after link to each other with the communication terminal of distribution transformer terminals (1).
2. the reactive power compensation integrated distribution box of low-voltage intelligent according to claim 1 is characterized in that: said distribution transformer terminals (1) is provided with wireless communication module, and said wireless communication module connects with the distribution monitor center through wireless network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203727202U CN202276072U (en) | 2011-09-28 | 2011-09-28 | Low voltage intelligent reactive compensation integrated distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203727202U CN202276072U (en) | 2011-09-28 | 2011-09-28 | Low voltage intelligent reactive compensation integrated distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202276072U true CN202276072U (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203727202U Expired - Fee Related CN202276072U (en) | 2011-09-28 | 2011-09-28 | Low voltage intelligent reactive compensation integrated distribution box |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414114A (en) * | 2013-07-04 | 2013-11-27 | 安徽电力芜湖县供电有限责任公司 | Drawer-type intelligent comprehensive low-voltage distribution JP cabinet |
| CN103515968A (en) * | 2013-09-29 | 2014-01-15 | 安徽华正电气有限公司 | Energy-saving type intelligent compensation metering comprehensive protection voltage stabilization box |
| CN104333010A (en) * | 2014-10-23 | 2015-02-04 | 国家电网公司 | Distribution transformer detection compensation control system |
| CN105071411A (en) * | 2015-09-17 | 2015-11-18 | 延边国大节能技术设备有限公司 | Intelligent modular reactive power compensation device and networking method |
| CN105529723A (en) * | 2015-02-13 | 2016-04-27 | 杭州水杉科技有限公司 | Intelligent reactive compensation device |
| WO2018201342A1 (en) * | 2017-05-03 | 2018-11-08 | 深圳市稳先微电子有限公司 | Small-capacitance compensated network circuit |
| WO2020172923A1 (en) * | 2019-02-28 | 2020-09-03 | 施耐德电器工业公司 | Power distribution control device, power distribution control method, and wireless power distribution control system and method |
-
2011
- 2011-09-28 CN CN2011203727202U patent/CN202276072U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414114A (en) * | 2013-07-04 | 2013-11-27 | 安徽电力芜湖县供电有限责任公司 | Drawer-type intelligent comprehensive low-voltage distribution JP cabinet |
| CN103414114B (en) * | 2013-07-04 | 2015-11-25 | 国家电网公司 | Drawer-type intelligent comprehensive low-voltage distribution JP cabinet |
| CN103515968A (en) * | 2013-09-29 | 2014-01-15 | 安徽华正电气有限公司 | Energy-saving type intelligent compensation metering comprehensive protection voltage stabilization box |
| CN104333010A (en) * | 2014-10-23 | 2015-02-04 | 国家电网公司 | Distribution transformer detection compensation control system |
| CN105529723A (en) * | 2015-02-13 | 2016-04-27 | 杭州水杉科技有限公司 | Intelligent reactive compensation device |
| CN105071411A (en) * | 2015-09-17 | 2015-11-18 | 延边国大节能技术设备有限公司 | Intelligent modular reactive power compensation device and networking method |
| WO2018201342A1 (en) * | 2017-05-03 | 2018-11-08 | 深圳市稳先微电子有限公司 | Small-capacitance compensated network circuit |
| US10496116B2 (en) | 2017-05-03 | 2019-12-03 | Shenzhen Winsemi Microelectronics Co., Ltd. | Small capacitance compensation network circuit |
| WO2020172923A1 (en) * | 2019-02-28 | 2020-09-03 | 施耐德电器工业公司 | Power distribution control device, power distribution control method, and wireless power distribution control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20180928 |