CN203233425U - A message checking control apparatus of a digital value input electric energy meter in an intelligent transformer station - Google Patents
A message checking control apparatus of a digital value input electric energy meter in an intelligent transformer station Download PDFInfo
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- CN203233425U CN203233425U CN 201320181832 CN201320181832U CN203233425U CN 203233425 U CN203233425 U CN 203233425U CN 201320181832 CN201320181832 CN 201320181832 CN 201320181832 U CN201320181832 U CN 201320181832U CN 203233425 U CN203233425 U CN 203233425U
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Abstract
The utility model discloses a message checking control apparatus of a digital value input electric energy meter in an intelligent transformer station. The message checking control apparatus is characterized in that the message checking control apparatus comprises a digital value message controller, that the digital value message controller is connected with a digital value electric energy meter check meter through a fiber Ethernet port, that the digital value message controller is simultaneously connected with a back-end computer and is connected with a tested digital value input electric energy meter, that the tested digital value input electric energy meter is connected with the digital value electric energy meter check meter, that the digital value message controller is used for receiving a message IEC61850-9 transmitted from the digital value electric energy meter check meter and a command from a backstage message control system, and that according to the command from the backstage message control system and a user requirement, the packet losing proportion and the bit error proportion of the message is controlled under the circumstance of unchanging the format of the message. According to a configured parameter, the message checking control apparatus automatically completes digital metrological characteristics check of the digital value input electric energy meter.
Description
Technical field
The utility model relates to a kind of intelligent substation digital quantity input electrical energy meter calibration message control device, and what relate to is message control and forwarding mechanism in a kind of intelligent substation digital quantity input electrical energy meter calibration process.Belong to the instrument and equipment verification of Power System Intelligent transformer station and detection technique field.
Background technology
At present, the development of intelligent substation and digital transformer substation has entered into the large tracts of land engineering application stage, along with the extensive application of electronic mutual inductor, merge cells and intelligent cell, digital quantity input kilowatt-hour meter has also begun in the electric power system large-area applications.Companies such as wound is electric, Hunan wasion, Xinning, Nanjing photoelectricity are insulted in Jiangsu all has digital quantity input kilowatt-hour meter product to release, digital quantity input electric energy meter also progresses into measuring system, and the kilowatt-hour meter of digital quantity input all is to adopt digital quantity directly to insert to adopt the theoretical actual electricity clearing that carry on trade that calculate at present.But present intelligent substation digital quantity input kilowatt-hour meter check system all is to calculate at the theory that the digital quantity message calculates between the kilowatt-hour meter pulse of electricity and digital quantity input.And at the digital quantity kilowatt-hour meter under unusual service conditions such as message mistake, packet loss or network congestion, the meter characteristic of digital quantity input kilowatt-hour meter, and unusual judgment processing mechanism all not have embodiment.
So from present present situation, press for a kind of mistake of installing quantitative control figure message, unusual service conditions such as packet loss come the check digit amount to import the metering response of the numerical characteristic of kilowatt-hour meter.
The utility model content
The purpose of this utility model provides a kind of message control and the device of transmitting in the intelligent substation digital quantity input electrical energy meter calibration process of finishing.
A kind of intelligent substation digital quantity input electrical energy meter calibration message control device, it is characterized in that: comprise digital quantity message controller, digital quantity message controller links to each other with digital quantity electrical energy meter calibration instrument by the fiber optic Ethernet mouth, digital quantity message controller links to each other with backend computer simultaneously, digital quantity message controller links to each other with tested digital quantity electric degree, and tested digital quantity electric degree links to each other with digital quantity electrical energy meter calibration instrument.
Aforesaid intelligent substation digital quantity input electrical energy meter calibration message control device, it is characterized in that: be connected by multimode ST-ST optical fiber between digital quantity message controller and the digital quantity kilowatt-hour meter tester, also connect by identical multimode ST-ST optical fiber between digital quantity message controller and the tested digital quantity kilowatt-hour meter.
The beneficial effect that the utility model reaches:
Device of the present utility model receives the fiber optic Ethernet IEC61850-9 agreement of importing the electrical energy meter calibration instrument from digital quantity by fiber optic Ethernet, by after the control of backstage data being transmitted to tested digital quantity kilowatt-hour meter by fiber optic Ethernet, electricity after will calculating by pulse is then sent tester back to and is carried out the electric degree verification, can finish the verification of digital quantity input electric energy meter digitlization meter characteristic automatically according to the parameter that configures.
Description of drawings
Fig. 1 is the system construction drawing of the utility model intelligent substation digital quantity input electrical energy meter calibration message control device.
Embodiment
The utility model is to take following technical scheme to realize:
Technical solution of the present invention as shown in Figure 1, a kind of intelligent substation digital quantity input electrical energy meter calibration message control device, comprise digital quantity message controller, digital quantity message controller links to each other with digital quantity electrical energy meter calibration instrument by the fiber optic Ethernet mouth, digital quantity message controller links to each other with backend computer simultaneously, digital quantity message controller links to each other with tested digital quantity electric degree, tested digital quantity electric degree links to each other with digital quantity electrical energy meter calibration instrument, described digital quantity message controller is used for receiving the IEC61850-9 message that digital quantity input electrical energy meter calibration instrument sends, receive the order that comes from backend computer simultaneously, according to the order of backend computer under the situation that does not change message format according to user's request, packet loss ratio or the error code ratio of control message.
Operation principle of the present invention is that digital quantity message controller receives the IEC61850-9 message that digital quantity input electrical energy meter calibration instrument sends by the fiber optic Ethernet mouth, digital quantity message controller is by receiving the order that comes from backstage message control system with being connected of host computer simultaneously, according to the order of host computer under the situation that does not change message format according to user's request, packet loss ratio or the error code ratio of control message, tested digital quantity electric degree calculates corresponding electricity and gives digital quantity kilowatt-hour meter tester with electricity according to the mode of pulse behind the error message of receiving error code or packet loss, the pulsimeter that digital quantity kilowatt-hour meter tester sends according to received electric energy meter is calculated the electric weight that electric energy meter is accumulated within a period of time, electric weight within digital quantity kilowatt-hour meter tester calculates during this period of time simultaneously, electric weight more between the two draws the error of ammeter under error code or packet drop.
The man-machine interface of digital quantity message controller realizes that on computers simple to operate, the checking procedure full-automation need not artificial participation, and controller itself is not interfered check results.
Adopt ethernet communication between backstage message control system and the digital quantity message controller.Be connected by multimode ST-ST optical fiber between digital quantity message controller and the digital quantity kilowatt-hour meter tester, also connect by identical multimode ST-ST optical fiber between digital quantity message controller and the tested digital quantity kilowatt-hour meter.
Aforesaid intelligent substation digital quantity input electrical energy meter calibration message control device, wherein said device can be direct network-oriented layer, does not change original message format, according to configuration parameter STOCHASTIC CONTROL packet loss, the error rate and congestion situations; Powerful embedded OS does to have the good real-time test, and the real-time requirement of intelligent substation process layer message is satisfied in response fast.
Aforesaid intelligent substation digital quantity input electrical energy meter calibration message control device is controlled message according to the original message form and is sent, and can finish the verification of digital quantity input electric energy meter digitlization meter characteristic automatically according to the parameter that configures.
The course of work of the present utility model mainly comprises two parts: digital quantity message controller and back bench control system thereof.The effect of digital quantity message controller is real-time ground and does not change original message format, STOCHASTIC CONTROL packet loss, the error rate and congestion situations; Back bench control system is the parameter configuration function of finishing digital quantity message controller.
The utility model at digital quantity input electrical energy meter calibration or testing process is: device receives the fiber optic Ethernet IEC61850-9 agreement of importing the electrical energy meter calibration instrument from digital quantity by fiber optic Ethernet, by after the control of backstage data being transmitted to tested digital quantity kilowatt-hour meter by fiber optic Ethernet, the electricity after will calculating by pulse is then sent tester back to and is carried out the electric degree verification.
In order to adapt to intelligent substation and digital transformer substation fast development, characteristics at intelligent substation and digital transformer substation metering, characteristics according to IEC 61850 agreements, in order to satisfy the verification between each producer's digitlization kilowatt-hour meter tester and the digital quantity input kilowatt-hour meter, so this device has following technical characterictic:
1, network-oriented layer.According to IEC 61850-9 agreement, the analog quantity transmission is according to the transmission of Ethernet protocol form, so this device is direct network-oriented layer, does not change original message format, according to configuration parameter STOCHASTIC CONTROL packet loss, the error rate and congestion situations.
2, You Hao man-machine interface, succinct design, easy to operate, the computational accuracy height, check results is accurate;
3, real-time.Because adopt powerful embedded OS as the terminal test equipment of test macro, so have the good real-time test, the real-time requirement of intelligent substation process layer message is satisfied in response fast.
4, adaptivity.Need not import the CID file format, control message according to the original message form and send.
5, finish automatically, finish the verification of digital quantity input electric energy meter digitlization meter characteristic automatically according to the parameter that configures.
This device can fine control figure amount message transmission, for digital quantity input kilowatt-hour meter enters the electrical network measuring system foundation that theorizes, promoting for the large tracts of land of intelligent substation provides the detection foundation.
Embodiment 1
The processing CPU of digital quantity message controller adopts the POWER PC MPC8247 of a new generation of Motorola, stability and the arithmetic speed of device are reliably guaranteed, light receiving element adopts the light receiving element of Agilent (Agilent) company, Ethernet control between digital quantity message controller and digital quantity kilowatt-hour meter and the digital quantity kilowatt-hour meter tester realizes guaranteeing that by the fpga chip of XILEX company the discreteness precision control that the IEC61850-9 agreement sends can be as accurate as 1uS, interface adopts ST, and fiber optic wavelength adopts 1310nm.The demonstration of man-machine interface realizes by connecting backend computer.Pass through ethernet communication between the backend computer that connects and the digital quantity message controller.
In addition to the implementation, all employings are equal to replaces or technical scheme that the form of equivalent transformation obtains, all drops within the protection range of the present utility model.
Claims (2)
1. an intelligent substation digital quantity is imported electrical energy meter calibration message control device, it is characterized in that: comprise digital quantity message controller, digital quantity message controller links to each other with digital quantity electrical energy meter calibration instrument by the fiber optic Ethernet mouth, digital quantity message controller links to each other with backend computer simultaneously, digital quantity message controller links to each other with tested digital quantity electric degree, and tested digital quantity electric degree links to each other with digital quantity electrical energy meter calibration instrument.
2. intelligent substation digital quantity according to claim 1 is imported electrical energy meter calibration message control device, it is characterized in that: be connected by multimode ST-ST optical fiber between digital quantity message controller and the digital quantity kilowatt-hour meter tester, also connect by identical multimode ST-ST optical fiber between digital quantity message controller and the tested digital quantity kilowatt-hour meter.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320181832 CN203233425U (en) | 2013-04-12 | 2013-04-12 | A message checking control apparatus of a digital value input electric energy meter in an intelligent transformer station |
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| CN 201320181832 CN203233425U (en) | 2013-04-12 | 2013-04-12 | A message checking control apparatus of a digital value input electric energy meter in an intelligent transformer station |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198808A (en) * | 2014-09-03 | 2014-12-10 | 国家电网公司 | Frame-dropping error code delay error calculation method, device and system in electric energy measurement |
| CN104267372A (en) * | 2014-10-09 | 2015-01-07 | 国家电网公司 | Digital electric energy meter calibrating device with accurate dispersion adjustable and method thereof |
| CN106788924B (en) * | 2017-03-13 | 2019-08-30 | 贵州电网有限责任公司电力科学研究院 | A kind of message generation system and its production method realized sampling value message and lose control output function |
-
2013
- 2013-04-12 CN CN 201320181832 patent/CN203233425U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198808A (en) * | 2014-09-03 | 2014-12-10 | 国家电网公司 | Frame-dropping error code delay error calculation method, device and system in electric energy measurement |
| CN104198808B (en) * | 2014-09-03 | 2017-01-18 | 国家电网公司 | Frame-dropping error code delay error calculation method, device and system in electric energy measurement |
| CN104267372A (en) * | 2014-10-09 | 2015-01-07 | 国家电网公司 | Digital electric energy meter calibrating device with accurate dispersion adjustable and method thereof |
| CN104267372B (en) * | 2014-10-09 | 2017-03-22 | 国家电网公司 | Digital electric energy meter calibrating device with accurate dispersion adjustable and method thereof |
| CN106788924B (en) * | 2017-03-13 | 2019-08-30 | 贵州电网有限责任公司电力科学研究院 | A kind of message generation system and its production method realized sampling value message and lose control output function |
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