CN201435620Y - Electric energy monitoring and operation management system of high voltage user - Google Patents
Electric energy monitoring and operation management system of high voltage user Download PDFInfo
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- CN201435620Y CN201435620Y CN200920033701XU CN200920033701U CN201435620Y CN 201435620 Y CN201435620 Y CN 201435620Y CN 200920033701X U CN200920033701X U CN 200920033701XU CN 200920033701 U CN200920033701 U CN 200920033701U CN 201435620 Y CN201435620 Y CN 201435620Y
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Abstract
The utility model discloses an electric energy monitoring and operation management system of high voltage user, which comprises the following components: front data collectors which are respectively provided on each breaker in a three-phase power supply line for monitoring the circuit operation state of a corresponding power supply section in real time, a background management system which performs bidirectional communication with the front data collectors through a mode of wireless communication, and a data transmitter which realizes bidirectional communication between the two sides. Each front data collector comprises the following components: a circuit failure monitoring circuit which monitors the single-phase grounding failure and inter-phase shortcircuit failure in real time, a user side abnormity monitoring circuit which monitors whether power theft, phase deficiency, overcurrent, voltage loss or overload is generated at the user side in real time, a micro-processor MCU and a power supply unit for supplying power to the micro-processor MCU. The electric energy monitoring and operation management system of high voltage user provided by the utility model has the advantages of rational design, simple operation, high intelligence degree, safe and reliable performance. The electric energy monitoring and operation management system of high voltage user can effectively settle various practical problems in electric energy monitoring of high voltage user and has excellent use effect.
Description
Technical field
The utility model belongs to power system monitoring and control technology field, especially relates to a kind of high pressure user power energy monitoring and controlling and operation management system.
Background technology
Along with market economy increasing development, social demand generally increases, and spurred the lasting expansion of electricity needs, and the production and supply of electric power seems in short supply day by day with respect to demand, so, power load is carried out scientific management just become active demand.The also corresponding continuous increase of high pressure user on the other hand, owing to exist great difficulty to cause present user to have electricity filching behavior to remain incessant after repeated prohibition in the management to the high pressure user, and because user side fault and the situation of initiating system fault takes place repeatedly, greatly influence the security of operation of electrical network, therefore power distribution network high pressure user's load monitoring has been become the trend of power system development.And dress is to carry out the relevant planned power consumption policy of country, realize controlling to the technological means at family with power load control equipment, is to strengthen the important measures that planned power consumption, electrical energy saving, the economical operation of assurance power grid security, raising electric power resource social benefit are done in the management of power use well.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of high pressure user power energy monitoring and controlling and operation management system are provided, it is reasonable in design, use is easy and simple to handle, intelligent degree height and performance are safe and reliable, and it is very good effectively to solve in the high pressure user power energy monitoring and controlling existing various practical problems and result of use.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of high pressure user power energy monitoring and controlling and operation management system is characterized in that: comprise the front end data acquisition device that is installed in the three-phase power line on each circuit breaker and the circuit running status of corresponding power supply section is monitored in real time, and the front end data acquisition device carry out the background management system of two-way communication by communication and realize the data transmission device of two-way communication between front end data acquisition device and background management system; Described front end data acquisition device comprises the line fault observation circuit that single phase ground fault and phase fault are monitored in real time, whether user side stealing is taken place, phase shortage, overcurrent, the user side abnormal conditions observation circuit that decompression or overload situation are monitored in real time, line fault observation circuit and user side abnormal conditions observation circuit institute monitor signal are carried out analysis and judgement, storage also is uploaded to background management system synchronously with judged result and can and can tackles that fault section excises or microprocessor MCU that isolates and the power supply unit that microprocessor MCU is powered according to deciliter action of the control command of background management system control circuit breaker mutually; Described background management system carries out comprehensive analysis processing for the data that the front end data acquisition device is transmitted and corresponding judgement draws concrete line fault generation section and user side abnormal conditions generation section and corresponding the warning and stored record and synchronous control computer to microprocessor MCU sending controling instruction; Described line fault observation circuit and user side abnormal conditions observation circuit all meet microprocessor MCU, and microprocessor MCU joins with circuit breaker and auxiliary switch for circuit breaker respectively, carry out two-way communication between microprocessor MCU and background management system.
The I/V change-over circuit that the single-phase earthing observation circuit of in the described line fault observation circuit single phase ground fault being monitored comprises zero sequence current mutual inductor that zero-sequence current is monitored in real time, join with zero sequence current mutual inductor, the selective frequency amplifier circuit that joins with the I/V change-over circuit, the power frequency filter circuit that joins with selective frequency amplifier circuit respectively and alien frequencies filter circuit, multiselect one analog switch that joins with power frequency filter circuit and alien frequencies filter circuit respectively and the A/D change-over circuit that joins with multiselect one analog switch, described A/D change-over circuit meets microprocessor MCU; The phase fault observation circuit of in the described line fault observation circuit phase fault being monitored comprise the current transformer group of respectively the ABC three-phase current being monitored in real time of joining successively, full bridge rectifier, signal amplification circuit and to signal amplification circuit institute output signal with set the comparator that threshold value compares, described comparator meets microprocessor MCU.
Described user side abnormal conditions observation circuit comprises current transformer group and the voltage transformer group of respectively the ABC three-phase voltage being monitored in real time, current transformer group and voltage transformer group are all joined with microprocessor MCU, and described current transformer group and voltage transformer group and microprocessor MCU are connected to the metering module that the circuit electricity cost is measured.
Communication mode between described front end data acquisition device and the background management system is GSM, CDMA, GPRS or SMS communication mode.
Described front end data acquisition device adopts the can of being made by the aluminum steel material, and described can is provided with hitch.
The utility model compared with prior art has the following advantages:
1, can in background management system, show high pressure user distribution situation and pole-mounted circuit breaker deciliter operation conditions, legend and brief description.
2, by the front end data acquisition device each user's load operation situation is monitored in real time, in time find unsafe factor, eliminate accident potential, make the power distribution network safe operation.
3, in time find user's gauge table fault by the system monitoring function, prevent stealing, avoid the power consumption loss, can carry out long-range outage control to the user in case of necessity.
4, system possesses fault diagnosis functions, can in time find and the isolated fault section, guarantees the normal power supply of non-failed subs criber, shortens fault handling time.
5, in the time period of setting, add up data such as rate of qualified voltage, power supply reliability, power factor.
6, high-voltage switch gear that system uses can directly can use the subscriber switch transformation, and the realization of system's power taking and voltage measurement function all need not high pressure P T, the cost of can reducing investment outlay.
7, system integrates the multiple functions such as examination of customer charge monitoring, fault judgement, failure removal, rate of qualified voltage, power supply reliability.
8, meet " power load management system functional specification " and " power load management system general technical specifications " that State Grid Corporation of China newly issues requirement fully, realize fully " power load management system transfer of data stipulations-2004 " terminal.Support DL/T645-1997 agreement and multiple in the industry table meter agreement commonly used both at home and abroad.
9, communication mode is flexible: more independent universal serial bus is arranged on the terminal, be easy to external multiple functional module, make terminal have better expansibility; Can support multiple wireless communication modes such as GSM/GPRS/SMS/CDMA according to user's different communication condition flexible configuration terminal communication module (matching different plug-in units).
10, the terminal Electro Magnetic Compatibility is good, can resist the interference of the pulse of high pointing cutting edge of a knife or a sword, high-intensity magnetic field, strong static, lightning surge and have stronger temperature self-adaptation limit of power; Each circuit board module adopts multistage soft, hardware watchdog circuit and reset circuit, and terminal operating is safe and reliable and be easy to safeguard.
11, sealed type design, the aluminum steel material, wall-hanging structure, volume are light and handy, easy for installation.
12, function admirable, working temperature are-25 ℃-+70 ℃, and the voltage and current certainty of measurement is 1.0 grades, and stand-by power supply is kept 7 days of operating time, and complete machine performance and system's interference free performance performance all meet the industry standard requirement.
13, application prospect is extensive, after this system puts into operation, can be in time, accurately high pressure electricity consumer information about power, fault message are fed back to main website, realize remote automatic meter reading, electric energy quality monitoring, power-factor monitoring, excise function such as user side fault fast, to the anti-stealing electricity function of effective raising measuring equipment, reduce line loss, the fairness, fairness, the accuracy that promote electric energy metrical will play a positive role.
In sum, the utility model is reasonable in design, use is easy and simple to handle, intelligent degree height and performance are safe and reliable, this system has been integrated application modern microelectric technique, computer technology, the collection management of power use and load are controlled in professional equipment all over the body, be to realize the modern important composition of dsm partly, it also is the supporting end product of power load management system, large user's electricity management terminal is realized load monitoring and control, and can realize automatic data logging, measuring equipment monitoring and anti-electricity-theft.It is in conjunction with the actual demand of national relevant technologies index and vast power consumer, utilizing advanced GSM/GPRS/CDMA mobile network communication technology and high-speed microprocessor to design and develop forms, have signal broad covered area, good stability, characteristics such as practical, powerful, can be widely used in having higher utility in electrical management and the service field, thereby the utility model can effectively solve in the high pressure user power energy monitoring and controlling existing various practical problems and result of use is very good.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model.
Description of reference numerals:
1-front end data acquisition device; 1-1-line fault is monitored electric 1-11-zero sequence current mutual inductance
The road; Device;
The 1-12-I/V change-over circuit; The 1-13-selective frequency amplifier circuit; 1-14-power frequency filter circuit;
1-15-alien frequencies filter circuit; The 1-17-A/D change-over circuit is driven in one simulation of 1-16-multiselect;
Close;
1-18-current transformer group; The 1-19-full bridge rectifier; The 1-20-signal amplification circuit;
The 1-10-comparator; 1-2-user side abnormal conditions 1-21-voltage transformer group;
Observation circuit;
The 1-22-metering module; 1-3-microprocessor MCU; The 1-4-power supply unit;
The 1-41-storage battery; 1-42-battery protection module; 1-43-Voltage stabilizing module one;
The 1-44-high-voltage capacitance; The 1-45-current rectifying and wave filtering circuit; 1-46-Voltage stabilizing module two;
The 2-background management system; The 3-data transmission device; The 4-circuit breaker;
The 5-auxiliary switch for circuit breaker.
Embodiment
As shown in Figure 1, the utility model comprise the front end data acquisition device 1 that is installed in the three-phase power line on each circuit breaker 4 and the circuit running status of corresponding power supply section is monitored in real time, and front end data acquisition device 1 carry out the background management system 2 of two-way communication by communication and realize the data transmission device 3 of front end data acquisition device 1 and 2 two-way communications of background management system.Communication mode between described front end data acquisition device 1 and the background management system 2 is GSM, CDMA, GPRS or SMS communication mode.Described front end data acquisition device 1 adopts the can of being made by the aluminum steel material, and described can is provided with hitch.
Described front end data acquisition device 1 comprises the line fault observation circuit 1-1 that single phase ground fault and phase fault are monitored in real time, whether user side stealing is taken place, phase shortage, overcurrent, the user side abnormal conditions observation circuit 1-2 that decompression or overload situation are monitored in real time, line fault observation circuit 1-1 and user side abnormal conditions observation circuit 1-2 institute monitor signal are carried out analysis and judgement, storage also is uploaded to background management system 2 synchronously with judged result and can and can tackles that fault section excises or microprocessor MCU1-3 that isolates and the single 1-4 of power supply that microprocessor MCU1-3 is powered according to 4 deciliters actions of the control command of background management system 2 control circuit breaker mutually.Described background management system 2 carries out comprehensive analysis processing for the data that front end data acquisition device 1 is transmitted and corresponding judgement draws concrete line fault generation section and user side abnormal conditions generation section and corresponding the warning and stored record and synchronous control computer to microprocessor MCU1-3 sending controling instruction.Described line fault observation circuit 1-1 and user side abnormal conditions observation circuit 1-2 all meet microprocessor MCU1-3, microprocessor MCU1-3 joins with circuit breaker 4 and auxiliary switch for circuit breaker 5 respectively, and 2 of microprocessor MCU1-3 and background management systems carry out two-way communication.
The single-phase earthing observation circuit of among the described line fault observation circuit 1-1 single phase ground fault being monitored comprises the zero sequence current mutual inductor 1-11 that zero-sequence current is monitored in real time, the I/V change-over circuit 1-12 that joins with zero sequence current mutual inductor 1-11, the selective frequency amplifier circuit 1-13 that joins with I/V change-over circuit 1-12, power frequency filter circuit 1-14 and the alien frequencies filter circuit 1-15 that joins with selective frequency amplifier circuit 1-13 respectively, multiselect one analog switch 1-16 that joins with power frequency filter circuit 1-14 and alien frequencies filter circuit 1-15 and the A/D change-over circuit 1-17 that joins with multiselect one analog switch 1-16 respectively.Described A/D change-over circuit 1-17 meets microprocessor MCU1-3.
The phase fault observation circuit of among the described line fault observation circuit 1-1 phase fault being monitored comprise the current transformer group 1-18, the full bridge rectifier 1-19 that respectively the ABC three-phase current are monitored in real time that join successively, signal amplification circuit 1-20 and to signal amplification circuit 1-20 institute output signal with set the comparator 1-10 that threshold value compares, described comparator 1-10 meets microprocessor MCU1-3.
Described user side abnormal conditions observation circuit 1-2 comprises current transformer group 1-18 and the voltage transformer group 1-21 that respectively the ABC three-phase voltage is monitored in real time, current transformer group 1-18 and voltage transformer group 1-21 all join with microprocessor MCU1-3, and described current transformer group 1-18 and voltage transformer group 1-21 and microprocessor MCU1-3 are connected to the metering module 1-22 that the circuit electricity cost is measured.
The course of work of the present utility model is: described front end data acquisition device 1 by its line fault observation circuit 1-1 and user side abnormal conditions observation circuit 1-2 in real time to the subscriber's drop side electric current on the monitored power supply section, voltage, active power, reactive power, single-phase earthing, phase faults etc. are monitored, by microprocessor MCU1-3 Monitoring Data is carried out having phase shortage after the analyzing and processing simultaneously, overcurrent, warning functions such as decompression, and for the user single-phase earthing takes place, phase fault has automatic monitoring warning and automatic isolated fault function, and the while is record automatically, store data.In addition, microprocessor MCU1-3 is sent to background management system 2 with the monitor data of judging.
Described background management system 2 receiving front-end data acquisition units 1 specifically are the Monitoring Data that microprocessor MCU1-3 is sent, real-time each user's of monitoring electricity consumption situation finds that user side abnormal conditions (as electricity filching behavior, overload electricity consumption) occur by the control of loading of long-range deciliter circuit breaker 4 of microprocessor MCU1-3.When user side generation line fault, system can determine fault section fast, and Long-distance Control front end data acquisition device 1 is isolated or excision corresponding failure section.Simultaneously, background management system 2 also possesses functions such as the inquiry of historical data, report printing, emergency review, can count rate of qualified voltage, power supply reliability in certain period, the power factor change of monitoring user-side is carried out reactive power compensation to the large user on the spot timely and reasonably and is improved power factor in real time, reduce line loss, thereby improve the load capacity and the power supply quality of electrical network; And peak every day, paddy, flat three periods and 24 hours power load, power consumption and the load utilance of user side under can accurate recording.The dispatcher can see load fluctuating situation, analyze the electricity consumption situation on the curve that always adds from loading, and can in time notify the user to take the peak load shifting measure, load regulation and electric energy conservation, increases income and reduces expenditure, and for scientific and reasonable scheduling, provides authentic data.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.
Claims (5)
1. high pressure user power energy monitoring and controlling and operation management system is characterized in that: the data transmission device (3) that comprises the front end data acquisition device (1) that is installed in that each circuit breaker (4) in the three-phase power line is gone up and the circuit running status of corresponding power supply section is monitored in real time, carries out two-way communication between the background management system (2) of two-way communication and realization front end data acquisition device (1) and background management system (2) by communication with front end data acquisition device (1); Described front end data acquisition device (1) comprises the line fault observation circuit (1-1) that single phase ground fault and phase fault are monitored in real time, whether user side stealing is taken place, phase shortage, overcurrent, the user side abnormal conditions observation circuit (1-2) that decompression or overload situation are monitored in real time, line fault observation circuit (1-1) and user side abnormal conditions observation circuit (1-2) institute monitor signal are carried out analysis and judgement, storage also is uploaded to background management system (2) synchronously with judged result and can and can tackles that fault section excises or microprocessor MCU (1-3) that isolates and the power supply unit (1-4) that microprocessor MCU (1-3) is powered according to the control command of background management system (2) control circuit breaker (4) deciliter action mutually; Described background management system (2) carries out comprehensive analysis processing and corresponding judgement for the data that front end data acquisition device (1) is transmitted and draws concrete line fault generation section and user side abnormal conditions generation section and corresponding the warning and stored record and synchronously to the control computer of microprocessor MCU (1-3) sending controling instruction; Described line fault observation circuit (1-1) and user side abnormal conditions observation circuit (1-2) all meet microprocessor MCU (1-3), microprocessor MCU (1-3) joins with circuit breaker (4) and auxiliary switch for circuit breaker (5) respectively, carries out two-way communication between microprocessor MCU (1-3) and background management system (2).
2. according to claim 1 described high pressure user power energy monitoring and controlling and operation management system, it is characterized in that: the single-phase earthing observation circuit of in the described line fault observation circuit (1-1) single phase ground fault being monitored comprises the zero sequence current mutual inductor (1-11) that zero-sequence current is monitored in real time, the I/V change-over circuit (1-12) that joins with zero sequence current mutual inductor (1-11), the selective frequency amplifier circuit (1-13) that joins with I/V change-over circuit (1-12), power frequency filter circuit (1-14) and the alien frequencies filter circuit (1-15) that joins with selective frequency amplifier circuit (1-13) respectively, multiselect one analog switch (1-16) that joins with power frequency filter circuit (1-14) and alien frequencies filter circuit (1-15) and the A/D change-over circuit (1-17) that joins with multiselect one analog switch (1-16) respectively, described A/D change-over circuit (1-17) meets microprocessor MCU (1-3); The phase fault observation circuit of in the described line fault observation circuit (1-1) phase fault being monitored comprise the current transformer group (1-18) of respectively the ABC three-phase current being monitored in real time of joining successively, full bridge rectifier (1-19), signal amplification circuit (1-20) and to signal amplification circuit (1-20) institute output signal with set the comparator (1-10) that threshold value compares, described comparator (1-10) meets microprocessor MCU (1-3).
3. according to claim 2 described high pressure user power energy monitoring and controlling and operation management system, it is characterized in that: described user side abnormal conditions observation circuit (1-2) comprises current transformer group (1-18) and the voltage transformer group (1-21) of respectively the ABC three-phase voltage being monitored in real time, current transformer group (1-18) and voltage transformer group (1-21) are all joined with microprocessor MCU (1-3), and described current transformer group (1-18) and voltage transformer group (1-21) are connected to the metering module (1-22) that the circuit electricity cost is measured with microprocessor MCU (1-3).
4. according to claim 1,2 or 3 described high pressure user power energy monitoring and controlling and operation management systems, it is characterized in that: the communication mode between described front end data acquisition device (1) and the background management system (2) is GSM, CDMA, GPRS or SMS communication mode.
5. according to claim 1,2 or 3 described high pressure user power energy monitoring and controlling and operation management systems, it is characterized in that: described front end data acquisition device (1) adopts the can of being made by the aluminum steel material, and described can is provided with hitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920033701XU CN201435620Y (en) | 2009-06-29 | 2009-06-29 | Electric energy monitoring and operation management system of high voltage user |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920033701XU CN201435620Y (en) | 2009-06-29 | 2009-06-29 | Electric energy monitoring and operation management system of high voltage user |
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| CN201435620Y true CN201435620Y (en) | 2010-03-31 |
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| CN200920033701XU Expired - Fee Related CN201435620Y (en) | 2009-06-29 | 2009-06-29 | Electric energy monitoring and operation management system of high voltage user |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072977A (en) * | 2010-12-13 | 2011-05-25 | 河南省电力公司南阳供电公司 | Automatic power-off method of intelligent electric energy meter in electricity stealing process |
| CN102122841A (en) * | 2010-12-31 | 2011-07-13 | 佛山市顺德电力设计院有限公司 | Intelligent monitoring system for states of high-voltage line |
| CN101813740B (en) * | 2010-05-13 | 2011-12-21 | 天津市翔晟远电力设备实业有限公司 | System and method for detecting high voltage transmission line faults |
| CN105759791A (en) * | 2016-04-22 | 2016-07-13 | 浙江科能达电气有限公司 | Intelligent controller of circuit breaker and real-time detection method based on intelligent controller |
| CN106950458A (en) * | 2017-03-15 | 2017-07-14 | 国家电网公司 | The short circuit of low pressure uniline and disconnection detection device |
| CN108152656A (en) * | 2018-01-25 | 2018-06-12 | 武汉彤科电力科技有限公司 | One kind is based on one or two fusion type Fault Isolation intelligent measuring and control devices |
-
2009
- 2009-06-29 CN CN200920033701XU patent/CN201435620Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813740B (en) * | 2010-05-13 | 2011-12-21 | 天津市翔晟远电力设备实业有限公司 | System and method for detecting high voltage transmission line faults |
| CN102072977A (en) * | 2010-12-13 | 2011-05-25 | 河南省电力公司南阳供电公司 | Automatic power-off method of intelligent electric energy meter in electricity stealing process |
| CN102072977B (en) * | 2010-12-13 | 2016-04-20 | 国网河南省电力公司南阳供电公司 | The method of auto-breaking during intelligent electric energy meter stealing |
| CN102122841A (en) * | 2010-12-31 | 2011-07-13 | 佛山市顺德电力设计院有限公司 | Intelligent monitoring system for states of high-voltage line |
| CN105759791A (en) * | 2016-04-22 | 2016-07-13 | 浙江科能达电气有限公司 | Intelligent controller of circuit breaker and real-time detection method based on intelligent controller |
| CN106950458A (en) * | 2017-03-15 | 2017-07-14 | 国家电网公司 | The short circuit of low pressure uniline and disconnection detection device |
| CN108152656A (en) * | 2018-01-25 | 2018-06-12 | 武汉彤科电力科技有限公司 | One kind is based on one or two fusion type Fault Isolation intelligent measuring and control devices |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100331 Termination date: 20120629 |