CN102130505A - High-voltage switch controller with metering function - Google Patents

High-voltage switch controller with metering function Download PDF

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Publication number
CN102130505A
CN102130505A CN2011100562537A CN201110056253A CN102130505A CN 102130505 A CN102130505 A CN 102130505A CN 2011100562537 A CN2011100562537 A CN 2011100562537A CN 201110056253 A CN201110056253 A CN 201110056253A CN 102130505 A CN102130505 A CN 102130505A
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CN
China
Prior art keywords
module
sampling circuit
output
switch controller
phase current
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Pending
Application number
CN2011100562537A
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Chinese (zh)
Inventor
周明辉
王少晓
钟世奇
叶剑文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZHUHAI BOWEI MICRO-ELECTRONIC Co Ltd
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ZHUHAI BOWEI MICRO-ELECTRONIC Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by ZHUHAI BOWEI MICRO-ELECTRONIC Co Ltd filed Critical ZHUHAI BOWEI MICRO-ELECTRONIC Co Ltd
Priority to CN2011100562537A priority Critical patent/CN102130505A/en
Publication of CN102130505A publication Critical patent/CN102130505A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a high-voltage switch controller with a metering function, which comprises a power supply module, a main control unit provided with a network communication module, an electric quantity metering unit and an input-output unit, wherein the input-output unit comprises a contact switching value input module, a control output module and the like. The high-voltage switch controller has a complete function, wherein the electric quantity metering unit can be used for detecting and processing relevant electric quantity parameters in a power grid, the contact switching value input module can also be used for detecting relevant contact state parameters which are required remotely through the network communication module, the control output module is automatically or manually changed by a system through the network communication module according to the detected real-time electric quantity parameters, therefore, relay protection, power grid maintenance and power gird real-time scheduling functions are conveniently realized, and the working efficiency is greatly increased. In addition, the high-voltage switch controller can be conveniently installed, therefore, the difficulties of debugging setting and equipment maintenance are greatly lightened, and the construction cost can be effectively reduced.

Description

A kind of high-voltage switch controller with function of measuring
Technical field
The present invention relates to the controller used in a kind of electrical network, particularly a kind of high-voltage switch controller with function of measuring.
Background technology
Along with the development of domestic economy, the power transmission network of China also needs to strengthen, to realize the real intellectuality of electrical network.At present; realize that strong intelligent grid just must have relaying protection and scheduling feature; realized in the past that this function must realize by two aspects simultaneously; one of them is the high-voltage switch controller that adds band relaying protection function in electrical network, and another then is the gauge table of band communication function to be set in electrical network and to upload the data to the backstage.Realize above-mentioned setting, except needs comparatively complex installation be provided with the debug process, the phenomenon that increases greatly because of cost that repeated construction occurs also can appear.In order to optimize the ability of optimizing the configuration of resources of national grid, above-mentioned shortcoming must be resolved.
Summary of the invention
For addressing the above problem, the invention provides that a kind of construction cost is lower, the high-voltage switch controller of the band function of measuring of perfect in shape and function, can long-rangely detect electrical network parameter based on this high-voltage switch controller, can effectively realize the scheduling of intelligent grid by this parameter.
The technical scheme that the present invention is adopted for its problem of solution is:
A kind of high-voltage switch controller with function of measuring comprises: the power module that is used to provide work energy; Main control unit, described main control unit is provided with the network communication module; The electric quantity metering unit, described electric quantity metering unit comprises several coulometric detectors, several electric weight sample circuits and computation chip module, described coulometric detector is arranged in the high-tension circuit, coulometric detector is connected with the computation chip module by the electric weight sample circuit, and described computation chip module links to each other with main control unit; Input-output unit, described input-output unit comprises contact switch amount input module, control output module and data processing module, the output of described contact switch amount input module is connected with data processing module respectively with the input of control output module, and data processing module links to each other with main control unit.
As preferred embodiment, described network communication module comprises GPRS communication interface module and internet communication interface module.Further, described internet communication interface module is 232 communication interfaces and/or 485 communication interfaces.
As preferred embodiment, described coulometric detector comprises current transformer, voltage transformer, the electric weight sample circuit comprises current sampling circuit, voltage sampling circuit, the output of current transformer is connected with the computation chip module by behind the current sampling circuit, and the output of voltage transformer is connected with the computation chip module by behind the voltage sampling circuit.Further, described current transformer comprises the A phase current mutual inductor, the B phase current mutual inductor, C phase current mutual inductor and zero sequence current mutual inductor, voltage transformer comprises AB line voltage transformer, BC line voltage transformer, current sampling circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit and zero-sequence current sample circuit, voltage transformer comprises AB line voltage sampling circuit, BC line voltage sampling circuit, the A phase current mutual inductor, the B phase current mutual inductor, the C phase current mutual inductor, zero sequence current mutual inductor and AB line voltage transformer, BC line voltage transformer is respectively by A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit, zero-sequence current sample circuit and AB line voltage sampling circuit, BC line voltage sampling circuit is connected with the computation chip module.
As preferred embodiment, the input of described contact switch amount input module is connected with loop, divide-shut brake contact, loop, energy storage contact and input common return.
As preferred embodiment, the output of described control output module is connected with separating brake output loop, combined floodgate output loop, energy storage output loop and output common return.
As preferred embodiment, described main control unit is provided with the remote control processing module that is used to receive remote signal.
As preferred embodiment, the present invention includes human-computer interface module, described human-computer interface module is connected with main control unit.
The invention has the beneficial effects as follows: perfect in shape and function of the present invention; electric quantity metering unit wherein can detect and handle the relevant electrical parameter in the electrical network; also can detect relevant contacts status parameter by contact switch amount input module; these parameters are transferred to can be by the network communication module for remote inquiry after main control unit is further handled in the main control unit; control output module according to automatic or manual manually change of real-time electrical parameter system that is detected by the network communication module; thereby realize relaying protection easily; the real-time dispatching function of electrical network maintenance and electrical network; increase work efficiency greatly; in addition; because this high-voltage switch controller is all-in-one-piece; therefore it can be installed easily; alleviate debugging setting greatly; the difficulty of plant maintenance, and can reduce construction cost effectively.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is that system of the present invention forms schematic diagram;
The wiring schematic diagram that Fig. 2 realizes for function of measuring of the present invention.
Embodiment
With reference to Fig. 1, a kind of high-voltage switch controller of the present invention with function of measuring, it has comprised two large divisions's function-relaying protection function and function of measuring, below the included part of high-voltage switch controller is described.
Be used to provide the power module 1 of work energy, usually, power module 1 comprises forceful electric power processing section and power supply managing part, the forceful electric power processing section can be to the input power supply of outside (in the present embodiment, the input power supply is AB, BC line voltage) carry out anti-interference process, the power supply managing part then further will be imported power supply and be converted into the power supply that is fit to the controller use, and the process of conversion comprises rectification, filtering or the like.
Main control unit 2, described main control unit 2 is provided with network communication module 3, be provided with microprocessor in the main control unit 2, its effect comprises data processing, module management or the like, its set network communication module 3 preferably includes GPRS communication interface module 12 and internet communication interface module 13, further, internet communication interface module 13 is chosen as 232 communication interfaces, one or both of 485 communication interfaces, wherein, the setting of GPRS communication interface module 12 can make the long-distance user utilize the mode of GPRS wireless telecommunications online to carry out remote data access and control, the setting of internet communication interface module 13 then can make controller and the Internet lead to, and the long-distance user can observe the controller real-time parameter by the mode of internet browsing.
Electric quantity metering unit 4, described electric quantity metering unit 4 comprises several coulometric detectors 5, several electric weight sample circuits 6 and computation chip module 7, described coulometric detector 5 is arranged in the high-tension circuit, coulometric detector 5 is connected with computation chip module 7 by electric weight sample circuit 6, described computation chip module 7 links to each other with main control unit 2, as preferred embodiment, coulometric detector 5 comprises current transformer, voltage transformer, current transformer comprises the A phase current mutual inductor, the B phase current mutual inductor, C phase current mutual inductor and zero sequence current mutual inductor, voltage transformer comprises AB line voltage transformer, BC line voltage transformer, electric weight sample circuit 6 comprises current sampling circuit, voltage sampling circuit, current sampling circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit and zero-sequence current sample circuit, voltage transformer comprises AB line voltage sampling circuit, BC line voltage sampling circuit, the output of current transformer is connected with computation chip module 7 by behind the current sampling circuit, and the output of voltage transformer is connected with computation chip module 7 by behind the voltage sampling circuit.In actual product, current transformer is realized with the mode that can adopt as shown in Figure 2 that is connected of high-voltage fence with voltage transformer.
Input-output unit 8, described input-output unit 8 comprises contact switch amount input module 9, control output module 10 and data processing module 11, the output of described contact switch amount input module 9 is connected with data processing module 11 respectively with the input of control output module 10, data processing module 11 links to each other with main control unit 2, the input of contact switch amount input module 9 is connected with loop, divide-shut brake contact, loop, energy storage contact and input common return, the output of control output module 10 is connected with the separating brake output loop, the combined floodgate output loop, energy storage output loop and output common return.
In addition, in order to realize distant control function, as preferred embodiment, main control unit 3 is provided with the remote control processing module 14 that is used to receive remote signal, further, operation for convenience, the present invention can comprise human-computer interface module 15, operated by rotary motion has corresponding switching key, indicator light, switch or the like on the human-computer interface module 15, and human-computer interface module 15 is connected with main control unit 3.
When the present invention works, controller goes out AB, BC line voltage, A phase current, B phase current, C phase current, the big a small amount of of zero-sequence current from high-tension side A, B, C three-phase detection, AB, BC line voltage partly convert the required power supply of controller to by forceful electric power processing section, power supply managing, utilize contact switch amount input module 9 to gather the opening and closing state and the energy storage state of switch, and pass through separating brake, combined floodgate and the energy storage of control output module 10 control switchs from switch-side.
By gathering above-mentioned big a small amount of, computation chip module 7 can be calculated parameters such as voltage, electric current, active power, reactive power, power factor, meritorious electric weight, capacity of idle power and pass to main control unit 3, and main control unit 3 further and by GPRS communication interface module 12 is uploaded the data that collect to a distant place (as power supply administration etc.).In addition; by sample circuit A phase current, B phase current, C phase current, zero-sequence current, AB line voltage, BC line voltage, on off state, energy storage state are input to main control unit, can realize logics such as syllogic protection, reclosing function, small current neutral grounding protection, looped network function, post acceleration function.
Embodiments of the present invention are not restricted to the described embodiments, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.

Claims (9)

1. high-voltage switch controller with function of measuring is characterized in that comprising:
Be used to provide the power module (1) of work energy;
Main control unit (2), described main control unit (2) is provided with network communication module (3);
Electric quantity metering unit (4), described electric quantity metering unit (4) comprises several coulometric detectors (5), several electric weight sample circuits (6) and computation chip module (7), described coulometric detector (5) is arranged in the high-tension circuit, coulometric detector (5) is connected with computation chip module (7) by electric weight sample circuit (6), and described computation chip module (7) links to each other with main control unit (2);
Input-output unit (8), described input-output unit (8) comprises contact switch amount input module (9), control output module (10) and data processing module (11), the output of described contact switch amount input module (9) is connected with data processing module (11) respectively with the input of control output module (10), and data processing module (11) links to each other with main control unit (2).
2. a kind of high-voltage switch controller with function of measuring according to claim 1 is characterized in that described network communication module (3) comprises GPRS communication interface module (12) and internet communication interface module (13).
3. a kind of high-voltage switch controller with function of measuring according to claim 2 is characterized in that described internet communication interface module (13) is 232 communication interfaces and/or 485 communication interfaces.
4. a kind of high-voltage switch controller according to claim 1 with function of measuring, it is characterized in that described coulometric detector (5) comprises current transformer, voltage transformer, electric weight sample circuit (6) comprises current sampling circuit, voltage sampling circuit, the output of current transformer is connected with computation chip module (7) by behind the current sampling circuit, and the output of voltage transformer is connected with computation chip module (7) by behind the voltage sampling circuit.
5. a kind of high-voltage switch controller according to claim 4 with function of measuring, it is characterized in that described current transformer comprises the A phase current mutual inductor, the B phase current mutual inductor, C phase current mutual inductor and zero sequence current mutual inductor, voltage transformer comprises AB line voltage transformer, BC line voltage transformer, current sampling circuit comprises A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit and zero-sequence current sample circuit, voltage transformer comprises AB line voltage sampling circuit, BC line voltage sampling circuit, the A phase current mutual inductor, the B phase current mutual inductor, the C phase current mutual inductor, zero sequence current mutual inductor and AB line voltage transformer, BC line voltage transformer is respectively by A phase current sampling circuit, B phase current sampling circuit, C phase current sampling circuit, zero-sequence current sample circuit and AB line voltage sampling circuit, BC line voltage sampling circuit is connected with computation chip module (7).
6. a kind of high-voltage switch controller with function of measuring according to claim 1 is characterized in that the input of described contact switch amount input module (9) is connected with loop, divide-shut brake contact, loop, energy storage contact and input common return.
7. a kind of high-voltage switch controller with function of measuring according to claim 1 is characterized in that the output of described control output module (10) is connected with separating brake output loop, combined floodgate output loop, energy storage output loop and output common return.
8. a kind of high-voltage switch controller with function of measuring according to claim 1 is characterized in that described main control unit (3) is provided with the remote control processing module (14) that is used to receive remote signal.
9. a kind of high-voltage switch controller with function of measuring according to claim 1 is characterized in that comprising human-computer interface module (15), and described human-computer interface module (15) is connected with main control unit (3).
CN2011100562537A 2011-03-09 2011-03-09 High-voltage switch controller with metering function Pending CN102130505A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102315690A (en) * 2011-09-01 2012-01-11 珠海博威智能电网有限公司 High-voltage switch controller with multiple communication ways
CN102402191A (en) * 2011-11-03 2012-04-04 珠海博威智能电网有限公司 High voltage switch controller with automatic calibration function
CN102624090A (en) * 2012-03-28 2012-08-01 北京水木源华电气有限公司 Intelligent high-voltage distribution switch based on electronic transducer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1960100A (en) * 2006-08-01 2007-05-09 沙洋县鼎兴电力科技有限责任公司 Multifunctional low voltage synthesized intellective protector
CN101335464A (en) * 2008-07-02 2008-12-31 胡珏 Integrated control system for electricity distributing and metering
CN201717677U (en) * 2010-07-09 2011-01-19 安徽中兴继远信息技术有限公司 Distribution transformer failure monitoring terminal
CN202009265U (en) * 2011-03-09 2011-10-12 珠海博威微电子有限公司 High-voltage switch controller with metering function

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1960100A (en) * 2006-08-01 2007-05-09 沙洋县鼎兴电力科技有限责任公司 Multifunctional low voltage synthesized intellective protector
CN101335464A (en) * 2008-07-02 2008-12-31 胡珏 Integrated control system for electricity distributing and metering
CN201717677U (en) * 2010-07-09 2011-01-19 安徽中兴继远信息技术有限公司 Distribution transformer failure monitoring terminal
CN202009265U (en) * 2011-03-09 2011-10-12 珠海博威微电子有限公司 High-voltage switch controller with metering function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102315690A (en) * 2011-09-01 2012-01-11 珠海博威智能电网有限公司 High-voltage switch controller with multiple communication ways
CN102402191A (en) * 2011-11-03 2012-04-04 珠海博威智能电网有限公司 High voltage switch controller with automatic calibration function
CN102624090A (en) * 2012-03-28 2012-08-01 北京水木源华电气有限公司 Intelligent high-voltage distribution switch based on electronic transducer
CN102624090B (en) * 2012-03-28 2016-01-13 北京水木源华电气有限公司 Based on the intelligent high-pressure panel switches of electronic mutual inductor

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Application publication date: 20110720