CN202798142U - Intelligent relay protection and online monitor integrated platform of digitized transformer station - Google Patents

Intelligent relay protection and online monitor integrated platform of digitized transformer station Download PDF

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Publication number
CN202798142U
CN202798142U CN 201220216968 CN201220216968U CN202798142U CN 202798142 U CN202798142 U CN 202798142U CN 201220216968 CN201220216968 CN 201220216968 CN 201220216968 U CN201220216968 U CN 201220216968U CN 202798142 U CN202798142 U CN 202798142U
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module
protection
transformer substation
interface
digital
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CN 201220216968
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刘玉清
陈德鹏
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CHANGSHA ANNENG ELECTRICAL TECHNOLOGY Co Ltd
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CHANGSHA ANNENG ELECTRICAL TECHNOLOGY Co Ltd
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Abstract

Provided is an intelligent relay protection and online monitor integrated platform of a digitized transformer station, which comprises a backboard bus module, and a redundant switch power supply module, a protection and monitor CPU module, a photoelectric communication module, a touch liquid crystal module, a data storage module, a digital I/O module and an electronic mutual inductor module all connected with the backboard bus module. The intelligent relay protection and online monitor integrated platform of the digitized transformer station has the advantages of interference resistance, highly reliable communication, stable working, fast data transmission, and strong functions.

Description

The relaying protection of digital transformer substation integral intelligent and on-line monitoring platform
Technical field
The utility model relates to digital transformer substation, is specially the relaying protection of digital transformer substation integral intelligent and on-line monitoring platform.
Background technology
Power system automation technology has reached certain level through development for many years, has improved to a great extent the safety operation level of electrical network, has strengthened the reliability of power transmission and distribution and dispatching of power netwoks.Yet, still there is following point in the tradition electric substation automation system: 1, data acquisition and information processing lack unified standards and norms, the measure and control device of interface disunity, model disunity, different manufacturers production not only has the difference of function at hardware, and the algorithm that adopts on software, communication protocol also are not quite similar, cause and lack interoperability between the product, cause integrated and increase maintenance cost, also reduced the reliability of system; 2, traditional electric substation automation system of local digital or only adopt electronic mutual inductor at process layer, or only adopt the IEC-6185O standard at station level, apart from realizing that real digitlization still has certain distance; 3, seldom relate to the real-time intelligent analytical technology, intelligent primary equipment state estimation and warning function; 4, every kind of relay protection function takies an independent hardware unit, and cost is expensive, the maintenance management cost is high, and separate with on-line monitoring system, multiple relay protection function module and on-line monitoring system do not have integrated integration.
Advanced mechanics of communication, information technology and computer technology, especially IEC61850 standard and the digitizing technique all-round popularization in transformer station that digital transformer substation is integrated is used and will be expected to solve an above-mentioned difficult problem." substation communication network and system " series standard IEC61850 provide the unified platform and standard card cage for electric substation automation system.
Along with the proposition of national intelligent grid strategy, and digital instrument transformer, a smart machine technology reach its maturity, and intelligent substation (Smart Substation) automated system of total digitalization is about to be widely used.By research and the enforcement of Automation Technology of Digitized Transformer, improve technical merit and the safe and stable operation level of electric substation automation system and whole electrical network.
The utility model content
The technical problem that the utility model solves is to provide the relaying protection of digital transformer substation integral intelligent and on-line monitoring platform, to solve the shortcoming in the above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
The relaying protection of digital transformer substation integral intelligent and on-line monitoring platform; comprise core bus module, Redundanter schalter power module, protection monitoring CPU module, photoelectricity communication module, touch LCD module, data memory module, digital I/O module, electronic mutual inductor module, described Redundanter schalter power module, protection monitoring CPU module, photoelectricity communication module, touch LCD module, data memory module, digital I/O module, electronic mutual inductor module all are connected on the core bus module.
In the utility model, the hardware structure of described protection monitoring CPU module is the DSP+ARM dual-cpu structure; Major function realizes at a high speed especially, high-precision A/D conversion, realize on line real-time monitoring, 32 bit DSP CPU judge that 32 ARM CPU carry out other relevant treatment for other module to data upload by the logic that the data that gather electronic mutual inductor are carried out relaying protection; The main related chip that adopts is: 32 bit DSPs 28335,32 ARM 9 EP9315,16 A/D7607BSTZ.
In the utility model, described photoelectricity communication module major function is to realize the communication function of native system, and RS232 interface, RS485 interface, RJ45 Ethernet electrical interface (greater than 2), fiber optic Ethernet interface (greater than 3) are arranged; Main chip is KS8995M, ADM2483;
In the utility model, described touch LCD module major function is to realize human-computer dialogue, and that realizes on the spot parameter checks, arranges function, and main devices is 8 inches liquid crystal display screens, touch-screen and spring touch key-press.
In the utility model, described data memory module major function is to data storage, and to important data storage and backup, main devices has SD card interface, USB interface, ferroelectric memory FM256, FLASH HY57V561620, TE28F128.
In the utility model, described electronic mutual inductor module mainly is the filtering front interface circuit of connecting system after the current/voltage analog quantity is changed by electronic mutual inductor, and main IC is some high speed amplifier devices.
In the utility model, the I/O interface circuit that described digital I/O module mainly is device; Main devices is photoelectric coupling chip TL521-4.
In the utility model, described Redundanter schalter power module possesses warm connection function, is mainly the Switching Power Supply output that whole system provides 3 tunnel redundancies.
In the utility model, described core bus module major function is the bus interface of whole system; Realize the high-speed figure communication between the modules; Adopt the design of DSP+ARM based on dual-CPU architecture on the described core bus module.
Beneficial effect
The utility model adopts the fiber optic Ethernet module, will disturb thoroughly to isolate from the device outside, overcomes the electromagnetic interference in the transformer station, greatly improves the reliability of device communication, and the network port of enriched types externally is provided; The protection monitoring module adopts DSP and the two CPU concurrent working technology of ARM, and mainly in DSP CPU, if ARM CPU abnormal or fault, the core security of the system that guarantees is judged in the protection that can not affect whole system to defencive function.Adopt micro power consumption wireless digital transmission module CC1020 chip as the control chip of extra long distance remote-control handle, realize long-range extra long distance straighforward operation platform.The ethernet port or the USB interface that provide by system connect the video monitoring head, utilize embedded OS to drive, and have realized extra long distance wireless remote control and video monitoring; Having adopted 8 inches large crystal screen is display interface, adopts touch screen keyboard, realizes flexibly input.Adopt the rear loading type insert design, guarantee the flexible configuration of system; Plate hot-pluggable, and self-identifying and the false alarm of realization plug-in unit.The utility model is anti-interference, and the reliability of communication is high, working stability, and message transmission rate is fast, and is powerful.
Description of drawings
Fig. 1 is structure principle chart of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Referring to Fig. 1; the structure principle chart of the relaying protection of digital transformer substation integral intelligent and on-line monitoring platform; the relaying protection of digital transformer substation integral intelligent and on-line monitoring platform; comprise core bus module 1; Redundanter schalter power module 2; protection monitoring CPU module 3; photoelectricity communication module 4; touch LCD module 5; data memory module 6; numeral I/O module 7; electronic mutual inductor module 8, described Redundanter schalter power module 2; protection monitoring CPU module 3; photoelectricity communication module 4; touch LCD module 5; data memory module 6; numeral I/O module 7; electronic mutual inductor module 8 all is connected on the core bus module 1.
In the utility model, the hardware structure of described protection monitoring CPU module 3 is the DSP+ARM dual-cpu structure.Major function realizes at a high speed especially, high-precision A/D conversion; realize on line real-time monitoring; 32 bit DSP CPU judge that 32 ARM CPU carry out other relevant treatment for other module to data upload by the logic that the data that gather electronic mutual inductor are carried out relaying protection.The main related chip that adopts is: 32 bit DSPs 28335,32 ARM 9 EP9315,16 A/D7607BSTZ.Described photoelectricity communication module 4 major functions are to realize the communication function of native system, and RS232 interface, RS485 interface, RJ45 Ethernet electrical interface (greater than 2), fiber optic Ethernet interface (greater than 3) are arranged.Main chip is KS8995M, ADM2483.Described touch LCD module 5 major functions are to realize human-computer dialogue, and that realizes on the spot parameter checks, arranges function, and main devices is 8 inches liquid crystal display screens, touch-screen and spring touch key-press.Described data memory module 6 major functions are to data storage, and to important data storage and backup, main devices has SD card interface, USB interface, ferroelectric memory FM256, FLASH HY57V561620, TE28F128.Described electronic mutual inductor module 8 mainly is the filtering front interface circuit of connecting system after the current/voltage analog quantity is changed by electronic mutual inductor, and main IC is some high speed amplifier devices.The I/O interface circuit that described digital I/O module 7 mainly is device.Main devices is photoelectric coupling chip TL521-4.Described Redundanter schalter power module 2 possesses warm connection function, is mainly the Switching Power Supply output that whole system provides 3 tunnel redundancies.Described core bus module 1 major function is the bus interface of whole system.Realize the high-speed figure communication between the modules.Adopt the design of DSP+ARM based on dual-CPU architecture on the described core bus module 1.Adopt μ C/OS-II embedded real-time operating system on the ARM CPU.Kinds of protect TT﹠C software module can be implemented in the visual programming in logic of line, by modular programming in logic, realizes freely controlling and disposing of protection observing and controlling function.All modules all can charged hot plug, and all plug-in units have automatic identification and false alarm function.The rarest 3 of described fiber optic Ethernet plug-in unit.
The functional module of the system control unit of the utility model digital transformer substation integral intelligent relaying protection (collection protection, measurement, control function) and online (in real time) monitoring device all adopts the computer equipment that meets the IEC61850 standard of receiving digital signals; characteristics with outstanding digital transformer substation; and be convenient in the future upgrading replacement, reduce expenses.
In the utility model; integrated protected location, measuring unit, metering units, power quality analysis unit, control unit and status monitoring and diagnosis unit six big units of main transformer, circuit and direct current system are realized by unified platform; this system can obtain the information that traditional protection in the past can not obtainable full station by network, therefore can realize the all-digital protection function.The agreement that direct current system, UPS, kilowatt-hour meter meet IEC61850 in standing and the smart machine of interface can directly be connected into this unified platform software configuration abides by the logical node of IEC61850 standard fully and designs, adopt OO dynamic modeling technology, built-in interrelated logic node, support function freely distributes, and satisfies whole communicating requirements of IEC61850 standard.
The utility model adopts modular construction; be convenient to flexible expansion, upgrading, its module comprises core bus module 1, Redundanter schalter power module 2, protection monitoring CPU module 3, photoelectricity communication module 4, touch LCD module 5, data memory module 6, digital I/O module 7, electronic mutual inductor module 8.The structure of whole system platform is inserted the formula structure for the back of the body.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model; the technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and effect thing thereof.

Claims (9)

1. the relaying protection of digital transformer substation integral intelligent and on-line monitoring platform; comprise core bus module, Redundanter schalter power module, protection monitoring CPU module, photoelectricity communication module, touch LCD module, data memory module, digital I/O module, electronic mutual inductor module; it is characterized in that described Redundanter schalter power module, protection monitoring CPU module, photoelectricity communication module, touch LCD module, data memory module, digital I/O module, electronic mutual inductor module all are connected on the core bus module.
2. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform is characterized in that, the hardware structure of described protection monitoring CPU module is the DSP+ARM dual-cpu structure; Major function realizes at a high speed especially, high-precision A/D conversion, realize on line real-time monitoring, 32 bit DSP CPU judge that 32 ARM CPU carry out other relevant treatment for other module to data upload by the logic that the data that gather electronic mutual inductor are carried out relaying protection; The main related chip that adopts is: 32 bit DSPs 28335,32 ARM 9 EP9315,16 A/D7607BSTZ.
3. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform, it is characterized in that, described photoelectricity communication module major function is to realize the communication function of native system, and RS232 interface, RS485 interface, RJ45 Ethernet electrical interface, fiber optic Ethernet interface are arranged; Main chip is KS8995M, ADM2483.
4. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform; it is characterized in that; described touch LCD module major function is to realize human-computer dialogue; that realizes on the spot parameter checks, arranges function, and main devices is 8 inches liquid crystal display screens, touch-screen and spring touch key-press.
5. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform; it is characterized in that; described data memory module major function is to data storage; to important data storage and backup; main devices has SD card interface, USB interface, ferroelectric memory FM256, FLASH HY57V561620, TE28F128.
6. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform; it is characterized in that; described electronic mutual inductor module mainly is the filtering front interface circuit of connecting system after the current/voltage analog quantity is changed by electronic mutual inductor, and main IC is some high speed amplifier devices.
7. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform is characterized in that, the I/O interface circuit that described digital I/O module mainly is device; Main devices is photoelectric coupling chip TL521-4.
8. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform is characterized in that, described Redundanter schalter power module possesses warm connection function, are mainly the Switching Power Supply output that whole system provides 3 tunnel redundancies.
9. digital transformer substation integral intelligent according to claim 1 relaying protection and on-line monitoring platform is characterized in that, described core bus module major function is the bus interface of whole system; Realize the high-speed figure communication between the modules; Adopt the design of DSP+ARM based on dual-CPU architecture on the described core bus module.
CN 201220216968 2012-05-15 2012-05-15 Intelligent relay protection and online monitor integrated platform of digitized transformer station Expired - Fee Related CN202798142U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103293412A (en) * 2013-05-17 2013-09-11 国电南瑞科技股份有限公司 Compatible component-based extended tester for power devices
CN110554931A (en) * 2019-07-29 2019-12-10 南京兆伏电力科技有限公司 Relay protection device and data backup and recovery method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103293412A (en) * 2013-05-17 2013-09-11 国电南瑞科技股份有限公司 Compatible component-based extended tester for power devices
CN110554931A (en) * 2019-07-29 2019-12-10 南京兆伏电力科技有限公司 Relay protection device and data backup and recovery method thereof

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Granted publication date: 20130313

Termination date: 20140515