CN206759040U - A kind of new wind-light storage low pressure microgrid group's protection coordination controller - Google Patents

A kind of new wind-light storage low pressure microgrid group's protection coordination controller Download PDF

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Publication number
CN206759040U
CN206759040U CN201720503417.9U CN201720503417U CN206759040U CN 206759040 U CN206759040 U CN 206759040U CN 201720503417 U CN201720503417 U CN 201720503417U CN 206759040 U CN206759040 U CN 206759040U
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CN
China
Prior art keywords
micro
capacitance sensor
low pressure
protection coordination
chip microcomputer
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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.)
Expired - Fee Related
Application number
CN201720503417.9U
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Chinese (zh)
Inventor
姜春娣
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Quzhou University
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Quzhou University
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Publication date
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Priority to CN201720503417.9U priority Critical patent/CN206759040U/en
Application granted granted Critical
Publication of CN206759040U publication Critical patent/CN206759040U/en
Expired - Fee Related legal-status Critical Current
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S40/00Systems 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
    • Y04S40/12Systems 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
    • Y04S40/126Systems 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

Abstract

It the utility model is related to a kind of new wind-light storage low pressure microgrid group's protection coordination controller, including single-chip microcomputer, the signal input part of the single-chip microcomputer is connected with the output end of micro-capacitance sensor detection circuit, the utility model is designed reasonably, by being designed with relay controller in the connection circuit of each micro-capacitance sensor and higher level's power distribution network, and micro-capacitance sensor detection circuit is set to be detected to each micro-capacitance sensor in microgrid group's protection coordination controller, when some micro-capacitance sensor breaks down, its microgrid group's protection coordination controller can ensure that corresponding relay controller disconnects in time, ensure higher level's power distribution network and the safety of other micro-capacitance sensors;When the failures such as short circuit, open circuit, ground connection occur for higher level's circuit, the connection with micro-capacitance sensor is disconnected in time, ensures micro-capacitance sensor internal security stable operation.

Description

A kind of new wind-light storage low pressure microgrid group's protection coordination controller
Technical field
The utility model belongs to micro-capacitance sensor technical field, more particularly to a kind of new wind-light storage low pressure microgrid group's protection coordination Controller.
Background technology
Micro-capacitance sensor refers to by distributed power source, energy storage device, energy converter, associated loadings and monitoring, protection device The small-sized electric system collected, self-contr ol, protection and the autonomous system of management can be realized by being one, both can be with Bulk power grid is incorporated into the power networks, can also isolated operation.Existing research and practice are it has been shown that by distributed power source in the form of micro-capacitance sensor Access traditional power network to be incorporated into the power networks, supported each other with bulk power grid, be the most effective mode for playing distributed electrical source efficiency.
Therefore, it is necessary to study new protection coordination control device for microgrid group, make whole microgrid group, and and its The protective relaying device and automatic safety device of the distribution network system of connection can safely and reliably be run, and be avoided by power distribution network system System structure, which changes, causes the various protection definite values of power distribution network to be changed with mechanism, causes relay protection and automatic safety device Sensitivity reduces, and protection domain reduces, and incorrect operation even protection device loses selectivity.
The content of the invention
The utility model provides a kind of new wind-light storage low pressure microgrid to solve technical problem present in known technology Group's protection coordination controller.
The utility model is adopted the technical scheme that to solve technical problem present in known technology:A kind of novel air Light stores up low pressure microgrid group's protection coordination controller, including single-chip microcomputer, signal input part and the micro-capacitance sensor detection electricity of the single-chip microcomputer The output end connection on road, micro-capacitance sensor detection circuit are electrically connected with micro-capacitance sensor respectively, the micro-capacitance sensor also with upper grading Power network is connected, and relay controller, the signal output part difference of the single-chip microcomputer are provided between the micro-capacitance sensor and higher level's power distribution network Be connected with memory, Cao Zuoanjian, display screen and warning device, the signal output part of the single-chip microcomputer also with relay controller Signal input part is electrically connected with, and the signal output part of the single-chip microcomputer is also connected by wireless communication module with host computer.
Further, the quantity of the micro-capacitance sensor is 2-5.
Further, the single-chip microcomputer is AT89S51 single-chip microcomputers.
Further, the host computer is PC ends.
Further, the display screen is LCDs.
The utility model has the advantages and positive effects of:The utility model is designed reasonably, by each micro-capacitance sensor with The connection circuit of higher level's power distribution network is designed with relay controller, and sets micro-capacitance sensor to detect electricity in microgrid group's protection coordination controller Road can be detected to each micro-capacitance sensor, and when some micro-capacitance sensor breaks down, its microgrid group's protection coordination controller can ensure Corresponding relay controller disconnects in time, ensures higher level's power distribution network and the safety of other micro-capacitance sensors;Higher level's circuit occur short circuit, During the failures such as open circuit, ground connection, the connection with micro-capacitance sensor is disconnected in time, ensures micro-capacitance sensor internal security stable operation.So as to whole On body so that the protective relaying device and automatic safety device of microgrid group and connected distribution network system safely can may be used Run by ground.
Brief description of the drawings
Fig. 1 is the device entirety theory diagram that the utility model embodiment provides.
Embodiment
For invention, features and effects of the present utility model can be further appreciated that, following examples are hereby enumerated, and coordinate Accompanying drawing describes in detail as follows.
The structure of wind-light storage low pressure microgrid group's protection coordination controller of the present utility model is made in detail with reference to Fig. 1 Description.A kind of new wind-light storage low pressure microgrid group's protection coordination controller, including single-chip microcomputer, the signal input part of the single-chip microcomputer It is connected with the output end of micro-capacitance sensor detection circuit, being electrically connected with respectively with micro-capacitance sensor for the micro-capacitance sensor detection circuit is described micro- Power network is also connected with higher level's power distribution network, and relay controller is provided between the micro-capacitance sensor and higher level's power distribution network, the single-chip microcomputer Signal output part is connected with memory, Cao Zuoanjian, display screen and warning device respectively, and the signal output part of the single-chip microcomputer is also Be electrically connected with the signal input part of relay controller, the signal output part of the single-chip microcomputer also by wireless communication module with it is upper Position machine connection, the quantity of the micro-capacitance sensor is 2-5, and the single-chip microcomputer is AT89S51 single-chip microcomputers, and the host computer is PC ends, The display screen is LCDs.
Operation principle:In use, when higher level's power distribution network breaks down, microgrid group's protection coordination controller can disconnect micro- electricity The relay controller of net, ensure the safe operation inside each micro-capacitance sensor, and fault message can be passed through wireless telecommunications by fault message Module is transmitted to host computer, and problem is handled, when micro-capacitance sensor detection electric circuit inspection breaks down to some micro-capacitance sensor, monolithic Chance disconnects corresponding relay controller, and fault message can be transmitted into host computer by wireless communication module, ensures it His micro-capacitance sensor and higher level's power distribution network it is safe for operation.
Described above is only to preferred embodiment of the present utility model, not the utility model is made any formal Limitation, it is every according to the technical essence of the utility model to any simple modification made for any of the above embodiments, equivalent variations with Modification, is belonged in the range of technical solutions of the utility model.

Claims (5)

  1. A kind of 1. new wind-light storage low pressure microgrid group's protection coordination controller, it is characterised in that including single-chip microcomputer, the single-chip microcomputer The output end of signal input part and micro-capacitance sensor detection circuit be connected, the micro-capacitance sensor detects electrically connecting with micro-capacitance sensor for circuit Connect, the micro-capacitance sensor is also connected with higher level's power distribution network, and the micro-capacitance sensor is provided with relay controller, institute with higher level's power distribution network junction The signal output part for stating single-chip microcomputer is connected with memory, Cao Zuoanjian, display screen and warning device respectively, the letter of the single-chip microcomputer Number output end is also electrically connected with the signal input part of relay controller, and the signal output part of the single-chip microcomputer also passes through channel radio News module is connected with host computer.
  2. 2. new wind-light storage low pressure microgrid group's protection coordination controller according to claim 1, it is characterised in that described micro- The quantity of power network is 2-5.
  3. 3. new wind-light storage low pressure microgrid group's protection coordination controller according to claim 1, it is characterised in that the list Piece machine is AT89S51 single-chip microcomputers.
  4. 4. new wind-light storage low pressure microgrid group's protection coordination controller according to claim 1, it is characterised in that on described Position machine is PC ends.
  5. 5. new wind-light storage low pressure microgrid group's protection coordination controller according to claim 1, it is characterised in that described aobvious Display screen is LCDs.
CN201720503417.9U 2017-05-09 2017-05-09 A kind of new wind-light storage low pressure microgrid group's protection coordination controller Expired - Fee Related CN206759040U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720503417.9U CN206759040U (en) 2017-05-09 2017-05-09 A kind of new wind-light storage low pressure microgrid group's protection coordination controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720503417.9U CN206759040U (en) 2017-05-09 2017-05-09 A kind of new wind-light storage low pressure microgrid group's protection coordination controller

Publications (1)

Publication Number Publication Date
CN206759040U true CN206759040U (en) 2017-12-15

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Family Applications (1)

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CN201720503417.9U Expired - Fee Related CN206759040U (en) 2017-05-09 2017-05-09 A kind of new wind-light storage low pressure microgrid group's protection coordination controller

Country Status (1)

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CN (1) CN206759040U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108616114A (en) * 2018-05-16 2018-10-02 国网山东省电力公司电力科学研究院 A kind of power distribution network distributed layer protection system and method for the group containing microgrid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108616114A (en) * 2018-05-16 2018-10-02 国网山东省电力公司电力科学研究院 A kind of power distribution network distributed layer protection system and method for the group containing microgrid

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171215

Termination date: 20180509

CF01 Termination of patent right due to non-payment of annual fee