CN102130506A - Online monitoring system for relay protection and automatic devices - Google Patents

Online monitoring system for relay protection and automatic devices Download PDF

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Publication number
CN102130506A
CN102130506A CN2011100723420A CN201110072342A CN102130506A CN 102130506 A CN102130506 A CN 102130506A CN 2011100723420 A CN2011100723420 A CN 2011100723420A CN 201110072342 A CN201110072342 A CN 201110072342A CN 102130506 A CN102130506 A CN 102130506A
Authority
CN
China
Prior art keywords
state acquisition
resistance
monitoring system
rtu
photoelectrical coupler
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.)
Pending
Application number
CN2011100723420A
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Chinese (zh)
Inventor
王金星
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.)
CHAOYANG POWER SUPPLY CORP LIAONING POWER Co Ltd
State Grid Corp of China SGCC
Original Assignee
CHAOYANG POWER SUPPLY CORP LIAONING POWER 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.)
Filing date
Publication date
Application filed by CHAOYANG POWER SUPPLY CORP LIAONING POWER Co Ltd filed Critical CHAOYANG POWER SUPPLY CORP LIAONING POWER Co Ltd
Priority to CN2011100723420A priority Critical patent/CN102130506A/en
Publication of CN102130506A publication Critical patent/CN102130506A/en
Pending legal-status Critical Current

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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
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16—Electric power substations

Abstract

The invention belongs to a monitoring device in the power industry, and particularly relates to an online monitoring system for relay protection and automatic devices. The online monitoring system comprises a pressing plate state acquisition circuit (1), a monitoring machine (3) and a scheduling end (4) and further comprises a control circuit (2), wherein the control circuit (2) comprises a state acquisition element RTU (Remote Terminal Unit), a communication controller T6, photoelectric couplers G1-G4, and resistors R5-R12. In the online monitoring system for relay protection and automatic devices, the design for software and hardware is reasonable, the operation is simple, the installation and maintenance are convenient, strict management can be carried out on all pressing plates for relay protection and automatic devices of a substation, safe operation of power supply lines is ensured, the one-time investment is less, and the cost is low.

Description

Relaying protection and automatics in-service monitoring system
Technical field
The invention belongs to the power industry monitoring device, particularly a kind of relaying protection and automatics in-service monitoring system.
Background technology
At present; along with the continuous development and the user of electric power system improves constantly power supply reliability; the effect in operation of power networks of relaying protection and automatics seems more and more important; the pressing plate function that plays a crucial role in automatics is but ignored by the operation workman easily; because the model of pressing plate is many, put into different categories when needing to use, when these pressing plates of operation; as not dropping into or withdraw from the various pressing plate of quantity, wrong throwing, leakage are thrown and all can be caused power grid accident to take place.Especially to automatic switching device of standby power supply, female mistake spirit device, these pressing plates of disconnection device are various or pressing plate thrown move back well-regulated protective device, the similar mistake of easier appearance.
Summary of the invention
The objective of the invention is to overcome above-mentioned technical deficiency, provide a kind of pressing plate that makes to drop into like clockwork, guarantee the relaying protection and the automatics in-service monitoring system of power network safety operation.
The technical scheme that technical solution problem of the present invention adopts is: relaying protection and automatics in-service monitoring system comprise pressing plate state acquisition circuit, monitoring equipment, dispatching terminal; be characterized in that it also comprises control circuit, comprise state acquisition element RTU, communication controller T6, photoelectrical coupler G in the control circuit 1~ G 4, resistance R 5~ R 12, their annexation is photoelectrical coupler G 1~ G 41 pin connect resistance R in the pressing plate state acquisition circuit respectively 4~ R 1An end, photoelectrical coupler G 1~ G 42 pin connecting resistance R respectively 5~ R 8An end, resistance R 5~ R 8Another termination-110V power supply, photoelectrical coupler G 1~ G 43 pin all connect state acquisition element RTU, resistance R 9~ R 12An end, resistance R 9~ R 12Other end ground connection+5V power supply, photoelectrical coupler G 1~ G 44 pin all meet state acquisition element RTU, state acquisition element RTU connects communication controller T6 with 485 lines, communication controller T6 connects monitoring equipment, monitoring equipment connection dispatching terminal.
The invention has the beneficial effects as follows: relaying protection and automatics in-service monitoring system soft, hardware designs is reasonable; simple to operate, installation, easy to maintenance; can carry out strict control to all relaying protections of transformer station and automatics pressing plate; guarantee the safe operation of supply line; small investment of this system, cost is low.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 is the circuit theory diagrams of relaying protection and automatics in-service monitoring system.
Among the figure, 1-pressing plate state acquisition circuit; The 2-control circuit; The 3-monitoring equipment; The 4-dispatching terminal.
Embodiment
Embodiment; with reference to accompanying drawing 1; relaying protection and automatics in-service monitoring system move back the letter amount to the throwing of each pressing plate of relaying protection and automatics to gather as the remote signalling star; deliver to state acquisition element RTU device then; encode through the RTU device; handle by delivering to monitoring equipment 3 behind the 485 line incoming traffic controller T6, comprise pressing plate state acquisition circuit 1 in the system, control circuit 2, monitoring equipment 3, dispatching terminal 4.Comprise miniature dry-reed contact GJ in its center platen state acquisition circuit 1 1~ GJ 4, permanent magnet CI 1~ CI 4, resistance R 1~ R 4, signal cable N; Their annexation is a resistance R 1~ R 4The other end meet miniature dry-reed contact GJ respectively 1~ GJ 4An end, miniature dry-reed contact GJ 1~ GJ 4The other end all meet+the 110V power supply miniature dry-reed contact GJ with signal cable N 1~ GJ 4All use permanent magnet CI 1~ CI 4Control is with the printed substrate and the dry-reed contact GJ of different model 1~ GJ 4, signal cable N, permanent magnet CI 1~ CI 4Welding finishes the back plastic packaging in one, places pressing plate central authorities fixing then.Comprise state acquisition element RTU, communication controller T6, photoelectrical coupler G in the control circuit 2 1~ G 4, resistance R 5~ R 12, their annexation is photoelectrical coupler G 1~ G 41 pin connect resistance R in the pressing plate state acquisition circuit 1 respectively 4~ R 1An end, photoelectrical coupler G 1~ G 42 pin connecting resistance R respectively 5~ R 8An end, resistance R 5~ R 8Another termination-110V power supply, photoelectrical coupler G 1~ G 43 pin all connect state acquisition element RTU, resistance R 9~ R 12An end, resistance R 9~ R 12Another termination+5V power supply, photoelectrical coupler G 1~ G 44 pin all meet state acquisition element RTU, state acquisition element RTU connects communication controller T6 with 485 lines, communication controller T6 connects monitoring equipment 3, monitoring equipment 3 connection dispatching terminals 4.
Relaying protection and automatics in-service monitoring system are according to permanent magnet CI in the pressing plate state acquisition circuit 1 1~ CI 4With dry-reed contact GJ 1~ GJ 4Adhesive, judge and the input position of pressing plate to handle through state acquisition element RTU in the control circuit 2 and communication controller T6, deliver to monitoring equipment 3, arrive dispatching terminal 4 again, reach function for monitoring to pressing plate.

Claims (1)

1. relaying protection and automatics in-service monitoring system; comprise pressing plate state acquisition circuit (1), monitoring equipment (3), dispatching terminal (4); it is characterized in that it also comprises control circuit (2), comprises state acquisition element RTU, communication controller T6, photoelectrical coupler G in the control circuit (2) 1~ G 4, resistance R 5~ R 12, their annexation is photoelectrical coupler G 1~ G 41 pin connect resistance R in the pressing plate state acquisition circuit (1) respectively 4~ R 1An end, photoelectrical coupler G 1~ G 42 pin connecting resistance R respectively 5~ R 8An end, resistance R 5~ R 8Another termination-110V power supply, photoelectrical coupler G 1~ G 43 pin all connect state acquisition element RTU, resistance R 9~ R 12An end, resistance R 9~ R 12Other end ground connection+5V power supply, photoelectrical coupler G 1~ G 44 pin all meet state acquisition element RTU, state acquisition element RTU connects communication controller T6 with 485 lines, communication controller T6 connects monitoring equipment (3), monitoring equipment (3) connection dispatching terminal (4).
CN2011100723420A 2011-03-24 2011-03-24 Online monitoring system for relay protection and automatic devices Pending CN102130506A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011100723420A CN102130506A (en) 2011-03-24 2011-03-24 Online monitoring system for relay protection and automatic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011100723420A CN102130506A (en) 2011-03-24 2011-03-24 Online monitoring system for relay protection and automatic devices

Publications (1)

Publication Number Publication Date
CN102130506A true CN102130506A (en) 2011-07-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011100723420A Pending CN102130506A (en) 2011-03-24 2011-03-24 Online monitoring system for relay protection and automatic devices

Country Status (1)

Country Link
CN (1) CN102130506A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103823433A (en) * 2014-01-08 2014-05-28 国家电网公司 Method for realizing relay protection equipment on-line monitoring by use of communication process analysis

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2790005Y (en) * 2005-04-21 2006-06-21 吴烈 Detecting device for electric relay protector pressing-plate state signal
US20070206644A1 (en) * 2006-03-02 2007-09-06 Abb Technology Ag Remote terminal unit and monitoring, protection and control of power systems
CN201215888Y (en) * 2008-06-05 2009-04-01 济南供电公司 Detection device for pressing board inputting state of electric protection device
CN101662168A (en) * 2009-07-17 2010-03-03 俞琳 System for preventing misoperation of relay-protection pressing plate and method for controlling same
CN201514491U (en) * 2009-09-28 2010-06-23 泉州科力电气有限公司 Transformer substation protection pressure plate status monitoring system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2790005Y (en) * 2005-04-21 2006-06-21 吴烈 Detecting device for electric relay protector pressing-plate state signal
US20070206644A1 (en) * 2006-03-02 2007-09-06 Abb Technology Ag Remote terminal unit and monitoring, protection and control of power systems
CN201215888Y (en) * 2008-06-05 2009-04-01 济南供电公司 Detection device for pressing board inputting state of electric protection device
CN101662168A (en) * 2009-07-17 2010-03-03 俞琳 System for preventing misoperation of relay-protection pressing plate and method for controlling same
CN201514491U (en) * 2009-09-28 2010-06-23 泉州科力电气有限公司 Transformer substation protection pressure plate status monitoring system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
高军: "继电保护压板监控系统的研制开发", 《山东电机工程学会第十一届优秀学术论文集》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103823433A (en) * 2014-01-08 2014-05-28 国家电网公司 Method for realizing relay protection equipment on-line monitoring by use of communication process analysis
CN103823433B (en) * 2014-01-08 2015-01-21 国家电网公司 Method for realizing relay protection equipment on-line monitoring by use of communication process analysis

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
ASS Succession or assignment of patent right

Owner name: STATE ELECTRIC NET CROP.

Effective date: 20120924

C41 Transfer of patent application or patent right or utility model
TA01 Transfer of patent application right

Effective date of registration: 20120924

Address after: 122000 No. three, Chaoyang Street, 13, Liaoning, Chaoyang City

Applicant after: Chaoyang Power Supply Corp., Liaoning Power Co., Ltd.

Applicant after: State Grid Corporation of China

Address before: 122000 No. three, Chaoyang Street, 13, Liaoning, Chaoyang City

Applicant before: Chaoyang Power Supply Corp., Liaoning Power Co., Ltd.

C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20110720