CN102074898A - Low-voltage integrated power distribution box device - Google Patents
Low-voltage integrated power distribution box device Download PDFInfo
- Publication number
- CN102074898A CN102074898A CN2009102728830A CN200910272883A CN102074898A CN 102074898 A CN102074898 A CN 102074898A CN 2009102728830 A CN2009102728830 A CN 2009102728830A CN 200910272883 A CN200910272883 A CN 200910272883A CN 102074898 A CN102074898 A CN 102074898A
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- China
- Prior art keywords
- distribution box
- transformer
- wireless network
- checkout gear
- power factor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- 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
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to a low-voltage integrated power distribution box device, which is composed of a distribution box and a breaker and is characterized in that the distribution box is internally equipped with a central processing unit CUP and a wireless network module, wherein the central processing unit CUP is used for collecting signals of operation status of a transformer and a breaker and is connected to the wireless network module; and the wireless network module is used for carrying out bidirectional communication between a wireless network and a power distribution master control chamber. The low-voltage integrated power distribution box device provided by the invention has the advantages that the transformer of less than 10 KV and 500 KV can be monitored effectively, the operation quality of the device can be effectively improved, the consumption of electric energy can be reduced, the device is an energy-saving and environmentally friendly product; furthermore, the labour intensity of the manager can be extremely reduced, the service and maintenance quality can be improved, the degree of automation for the operation of electric system can be improved effectively, and the purpose of energy saving and effect enhancing and environmental safety can be carried out.
Description
Technical field
The invention belongs to the low-voltage comprehensive distribution box device, be concretely a kind of be the low-voltage comprehensive distribution box device of one to long-range transformer control and metering, reactive power compensation, distribution.
Background technology
At present, a large amount of 10KV transformers operates on the vast urban and rural power grids, surplus each province of the transformer of capacity below 500KVA has 300,000 at least.These transformers only lean on a drop out fuse protection for a long time, and the user directly surveys in the transformer outlet twines power taking, and there is following problem in these transformers: 1. power factor is low; 2. three-phase imbalance; 3. there is great accident potential.Often being the transformer explosive combustion, near resident reports to the police, and power supply department is just known.These number transformers are big, it is wide to distribute, it is big to patrol and examine labour intensity, and networking wiring expense is big.Overcoming the above problems is the task of top priority.
Summary of the invention
The purpose of this invention is to provide a kind ofly can monitor transformer, the low-voltage comprehensive distribution box device of metering, reactive power compensation and distribution, to overcome the deficiencies in the prior art.
To achieve these goals, the present invention is made of distribution casing and circuit breaker, be characterized in: in the distribution casing, be provided with central processing unit CPU and wireless network module, central processing unit CPU is gathered the operating state signal of transformer and circuit breaker and is connected with wireless network module, and wireless network module is realized both-way communication by wireless network and distribution Master Control Room.
Also be provided with power factor compensation device in the above-mentioned distribution casing, the major loop of power factor compensation device is connected with the major loop of transformer, and the control loop of power factor compensation device is connected with central processing unit CPU.
Also be provided with transformer current checkout gear, voltage check device, power factor checkout gear and electric power checkout gear in the above-mentioned distribution casing, current sensing means, voltage check device, power factor checkout gear and electric power checkout gear are connected with central processing unit CPU respectively.
The control loop of the operating state signal of above-mentioned transformer, the operating state signal of circuit breaker, power factor compensation device, transformer current checkout gear, voltage check device, power factor checkout gear and electric power checkout gear are connected with central processing unit CPU by communication module respectively.
The present invention can carry out effective monitoring to the following transformer of 10KV, 500KVA.Can effectively improve the equipment operation quality, reduce electric energy loss, belong to the energy-saving and environmental protection product.It can alleviate gerentocratic labour intensity greatly, improves the maintenance, repair quality.Can improve the power system operation automaticity effectively, the purpose that reach energy efficiency, ensures safety.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Embodiment
Be described in further detail below in conjunction with the present invention of drawings and Examples team.
The present invention is by " monitoring and metering "; " reactive power compensation " and " distribution outlet " three parts are formed, and monitoring metering device main feature is: in time the operation conditions and the information of comprehensive distribution box are delivered to Surveillance center (Fig. 1) by GPRS/CDMA network or Ethernet.
The monitoring and metering device: embedded system, GPRS/CDMA communication module by L1NCX32 position center processor CPU are formed.On-the-spot cabling, Ethernet and kilowatt-hour meter KW/H, idle compensating control, leakage switch LK, communication are provided, concentrate collection site information, control relevant device, by having the network of high-speed communication function, gather transformer T, three-phase voltage V, three-phase current A, active energy P, reactive energy P, power factor, circuit breaker three-phase current, leakage current, divide-shut brake number of times; The compensation arrangement switching moment, switching frequency, the power factor situation; Show above all table datas by the backstage, and can generate various curves.
Systemic-function is provided with: perfect parameter setting (leakage current setting, compensation arrangement no-load voltage ratio, the kilowatt-hour meter amount of freezing etc.) and system management function.Can long-range setting and management system equipment.
Network interface: remote monitoring of the present invention, metering, compensation distributing function realize by network interface NET, and operation that can the real-time remote monitoring present device.
Fault detect is reported to the police: output voltage, current anomaly, unit trip, compensation arrangement fault all give the alarm to the backstage automatically.
Distribution box of the present invention is designed the size of circuit breaker according to the capacity of transformer, and 2~3 circuit breakers are generally arranged.Band communication interface earth leakage circuit breaker is generally adopted in the rural area.
Compensated part of the present invention is got transformer capacity 20%~30% capacity by way of compensation according to the capacity of transformer.And be configured to common benefit (simultaneously three-phase being mended) and add common benefit (can carry out phase splitting compensation), controller band communication interface, performance is dealt with and is closed national standard, and can remember the switching moment, kilovar number, and memory capacity can reach more than 800.
Monitoring of the present invention and the metering in CPU can with the kilowatt-hour meter communication; Can with the communication of controller leakage switch; All parameter electric currents of transformer, voltage, power, meritorious, idle, power factor is from depositing; Go out wiretap, three-phase current, leakage current, divide-shut brake cumulative number are constantly deposited certainly; The switching moment of compensation arrangement, switching kilovar number are from depositing; Meeting fault moment can report to the police, and recruits measurement information if need above-mentioned data to give, and CPU uploads the backstage immediately by mobile network GPRS or CDMA.Can find transformer three-phase current, three-phase voltage data and curve on the backstage; Go out leakage current and curve on the wiretap; Compensation arrangement nearest 1 time, 5 times and month switching situation and power factor curve, and to find every transformer archives be capacity, place, director, information such as the element model in the primary circuit comprehensive distribution box, manufacturer; Can read the kilowatt-hour meter amount of freezing (meter reading simultaneously of a lot of ammeters claims the amount of freezing); Circuit breaker compensation arrangement fault can be reported to the police.
The content that is not described in detail in this specification belongs to this area professional and technical personnel's known prior art.
Claims (4)
1. low-voltage comprehensive distribution box device, constitute by distribution casing and circuit breaker, it is characterized in that: in the distribution casing, be provided with central processing unit CPU and wireless network module, central processing unit CPU is gathered the operating state signal of transformer and circuit breaker and is connected with wireless network module, and wireless network module is realized both-way communication by wireless network and distribution Master Control Room.
2. low-voltage comprehensive distribution box device as claimed in claim 1, it is characterized in that: also be provided with power factor compensation device in the distribution casing, the major loop of power factor compensation device is connected with the major loop of transformer, and the control loop of power factor compensation device is connected with central processing unit CPU.
3. low-voltage comprehensive distribution box device as claimed in claim 1, it is characterized in that: also be provided with transformer current checkout gear, voltage check device, power factor checkout gear and electric power checkout gear in the distribution casing, current sensing means, voltage check device, power factor checkout gear and electric power checkout gear are connected with central processing unit CPU respectively.
4. as the described low-voltage comprehensive distribution box device of claim 1-4, it is characterized in that: the control loop of the operating state signal of transformer, the operating state signal of circuit breaker, power factor compensation device, transformer current checkout gear, voltage check device, power factor checkout gear and electric power checkout gear are connected with central processing unit CPU by communication module respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2009102728830A CN102074898A (en) | 2009-11-23 | 2009-11-23 | Low-voltage integrated power distribution box device |
Applications Claiming Priority (1)
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CN2009102728830A CN102074898A (en) | 2009-11-23 | 2009-11-23 | Low-voltage integrated power distribution box device |
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CN102074898A true CN102074898A (en) | 2011-05-25 |
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CN2009102728830A Pending CN102074898A (en) | 2009-11-23 | 2009-11-23 | Low-voltage integrated power distribution box device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103545920A (en) * | 2013-09-24 | 2014-01-29 | 池州市华强高低压电器成套设备有限公司 | Protecting and controlling method for power distribution box |
-
2009
- 2009-11-23 CN CN2009102728830A patent/CN102074898A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103545920A (en) * | 2013-09-24 | 2014-01-29 | 池州市华强高低压电器成套设备有限公司 | Protecting and controlling method for power distribution box |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110525 |