CN101865989B - Device for testing digitalized electrical energy meter - Google Patents

Device for testing digitalized electrical energy meter Download PDF

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Publication number
CN101865989B
CN101865989B CN2010100400222A CN201010040022A CN101865989B CN 101865989 B CN101865989 B CN 101865989B CN 2010100400222 A CN2010100400222 A CN 2010100400222A CN 201010040022 A CN201010040022 A CN 201010040022A CN 101865989 B CN101865989 B CN 101865989B
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China
Prior art keywords
plate
electrical energy
energy meter
testing
pulse
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CN2010100400222A
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Chinese (zh)
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CN101865989A (en
Inventor
姚力
陆春光
李少腾
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Zhejiang Yineng Power Technology Co ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd
Marketing Service Center of State Grid Zhejiang Electric Power Co Ltd
Hangzhou E Energy Electric Power Technology Co Ltd
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Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd
Zhejiang Electric Power Test and Research Insititute
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Application filed by Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd, Zhejiang Electric Power Test and Research Insititute filed Critical Electric Power Research Institute of State Grid Zhejiang Electric Power Co Ltd
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Abstract

The invention discloses a device for testing a digitalized electrical energy meter. An inspection device for testing the digital electrical energy meter does not exist at present. The invention adopts the technical scheme that the device for testing the digitalized electrical energy meter comprises a rack; the device is characterized in that a clock hanging rack framework and a digital power source are arranged on the rack; a pulse airborne seat joint, an error calculator, an AC/DC voltage terminal, a single mode fiber transceiver, a multi-mode fiber transceiver and a three-phase multi-path pulse switching complex set are arranged on the clock hanging rack framework; and the pulse airborne seat joint is connected with the error calculator through a data wire. The device can detect the digitalized electrical energy meter supporting IEC61850-9-1 or IEC61850-9-2 protocols, realize the output of the digital power source and output any power load.

Description

A kind of device for testing digitalized electrical energy meter
Technical field
The present invention relates to proving installation, specifically a kind of device that is used to test digitalized electrical energy meter.
Background technology
Along with the construction of State Grid Corporation of China's digital transformer substation, begun to adopt digital electric energy meter for transformer station with table, this type of table meter can't be checked with traditional verifying attachment, need seek a kind of new verifying attachment and test this type of table meter.
Summary of the invention
Technical matters to be solved by this invention is to overcome the defective that above-mentioned prior art exists, and a kind of easy to operate, safe, the debugging of being convenient to product and the device for testing digitalized electrical energy meter that meets IEC61850 are provided.
For this reason; The technical scheme that the present invention adopts is following: device for testing digitalized electrical energy meter; Comprise frame; It is characterized in that described frame is provided with a meter hanging frame framework and a digital power source, pulse aviation seated connection head, Error Calculator, AC/DC voltage terminal, single-mode fiber transceiver, multimode optical fiber transceiver and three-phase multiplex pulse be housed on the described meter hanging frame framework switch multiple group that pulse aviation seated connection head is connected with Error Calculator through data line; Described digital power source comprises casing, places full sized pules plate, AC/DC converter, digital source generation plate, system management control panel and supply socket in the casing, and the full sized pules plate is connected with pulse aviation seated connection head through the respective socket on it; The Frame that the output of system management control panel control figure source generation plate meets IEC61850 is through a network switch plate; Export to single-mode fiber transceiver and multimode optical fiber transceiver through multiplexing switch then, the full sized pules signal of full sized pules plate output is given Error Calculator through pulse aviation seated connection head.
When the present invention uses, digitalized electrical energy meter is installed on the meter hanging frame framework, the one of which end is connected with Error Calculator, and the other end is connected with the multimode optical fiber transceiver with the single-mode fiber transceiver.The IEC61850 Frame changes into light signal behind single-mode fiber transceiver and multimode optical fiber transceiver; Light signal calculates corresponding electric weight after the digitalized electric energy list processing (LISP); Export the pulse signal that is directly proportional with electric flux by digitalized electrical energy meter; This pulse signal is transferred to Error Calculator, and the full sized pules signal of full sized pules plate output also is transferred to Error Calculator through pulse aviation seated connection head, and two pulse signals come relatively to draw the error of digitalized electrical energy meter through Error Calculator.
Above-mentioned device for testing digitalized electrical energy meter is equipped with liquid crystal display, finger-board and described network switch plate on the casing of digital power source, liquid crystal display and finger-board are connected with respective socket on the system management control panel through winding displacement.
Above-mentioned device for testing digitalized electrical energy meter; Digital source generation plate is provided with full sized pules plate interface socket, digital source interface socket and detects a mouthful socket; Full sized pules plate interface socket wherein is connected with a computing machine through data line with the digital source interface socket, comes the control figure power source through computing machine.
Above-mentioned device for testing digitalized electrical energy meter, three-phase multiplex pulse switch multiple group has four groups of switching interfaces (4 select 1), is connected with Error Calculator through data line.
The present invention can detect the digital electricity meter of supporting IEC618509-1 or IEC618509-2 agreement, has following beneficial effect: 1, can realize digital power source output, and can export any power termination; 2, can export the agreement that meets IEC61850 9-1,9-2, and the uniformity test through IEC61850; 3, can produce the Frame of different ASDU numbers or sampling number according to actual setting; 4, has the harmonic wave output function.
Below in conjunction with Figure of description and embodiment the present invention is described further.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of meter hanging frame framework of the present invention.
Fig. 3 is the structural representation of digital power source of the present invention.
Fig. 4 is a principle schematic of the present invention.
Embodiment
Device for testing digitalized electrical energy meter shown in Fig. 1-4, frame 1 are provided with a meter hanging frame framework 11 and digital power source 2.Pulse aviation seated connection head 12, Error Calculator 13, AC/DC voltage terminal 15, single-mode fiber transceiver 16, multimode optical fiber transceiver 17 and the switching of three-phase multiplex pulse are housed on the meter hanging frame framework 11 organize 18 again, pulse aviation seated connection head 12 is connected with Error Calculator 13 through data line.Digital power source 2 by casing 21, place full sized pules plate 22, AC/DC converter 23, digital source generation plate 24, system management control panel 25 and supply socket 26 in the casing to form, full sized pules plate 22 is connected with pulse aviation seated connection head 12 through the respective socket on it.Plate 24 output IEC61850 Frames take place through network switch plate 27 in system management control panel 25 control figure sources; Export to single-mode fiber transceiver 16 and multimode optical fiber transceiver 17 through multiplexing switch 28 then, the full sized pules signal of full sized pules plate 22 outputs also is transferred to Error Calculator 13 through pulse aviation seated connection head 12.
Digital source generation plate 24 adopts the embedded industrial control board of ARM2440; It is made up of core board and control panel; Core board is responsible for the Power arithmetic of IEC61850 and the composition of agreement; Control panel is responsible for the control of protocol command and the network of agreement sends, and protocol command is to control through control panel, and it is to realize through the RJ45 network interface on the control panel that the network of agreement sends.
Liquid crystal display 3, finger-board 4 and network switch plate 27 are housed on the casing 21 of digital power source, and liquid crystal display and finger-board are connected with respective socket on the system management control panel 25 through winding displacement.Digital source generation plate 24 is provided with full sized pules plate interface socket, digital source interface socket and detects a mouthful socket, and full sized pules plate interface socket wherein is connected with computing machine through data line with the digital source interface socket.The switching of three-phase multiplex pulse organizes 18 again has four groups of switching interfaces, is connected with Error Calculator 13 through data line.
When the present invention uses, digitalized electrical energy meter is installed on the meter hanging frame framework, the one of which end is connected with Error Calculator, and the other end is connected with the multimode optical fiber transceiver with the single-mode fiber transceiver.Two pulse signals are come relatively to draw the error of digitalized electrical energy meter through Error Calculator.

Claims (4)

1. device for testing digitalized electrical energy meter; Comprise frame (1); It is characterized in that described frame (1) is provided with a meter hanging frame framework (11) and digital power source (2); Pulse aviation seated connection head (12), Error Calculator (13), AC/DC voltage terminal (15), single-mode fiber transceiver (16), multimode optical fiber transceiver (17) and three-phase multiplex pulse are housed on the described meter hanging frame framework (11) switch multiple group (18), pulse aviation seated connection head (12) is connected with Error Calculator (13) through data line; Described digital power source (2) comprises casing (21), places full sized pules plate (22), AC/DC converter (23), digital source generation plate (24), system management control panel (25) and supply socket (26) in the casing, and full sized pules plate (22) is connected with pulse aviation seated connection head (12) through the respective socket on it; Plate (24) output IEC61850 Frame takes place in system management control panel (25) control figure source; This Frame is through a network switch plate (27); Export to single-mode fiber transceiver (16) and multimode optical fiber transceiver (17) through multiplexing switch (28) then, the full sized pules signal of full sized pules plate (22) output is given Error Calculator (13) through pulse aviation seated connection head (12).
2. device for testing digitalized electrical energy meter according to claim 1; It is characterized in that on the casing (21) of said digital power source liquid crystal display (3), finger-board (4) and described network switch plate (27) being housed, liquid crystal display and finger-board are connected with respective socket on the system management control panel (25) through winding displacement.
3. device for testing digitalized electrical energy meter according to claim 1 and 2; It is characterized in that digital source generation plate (24) is provided with full sized pules plate interface socket, digital source interface socket and detects a mouthful socket, full sized pules plate interface socket wherein is connected with a computing machine through data line with the digital source interface socket.
4. device for testing digitalized electrical energy meter according to claim 3 is characterized in that the three-phase multiplex pulse switches multiple group (18) four groups of switching interfaces are arranged, and is connected with Error Calculator (13) through data line.
CN2010100400222A 2010-01-18 2010-01-18 Device for testing digitalized electrical energy meter Active CN101865989B (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN2010100400222A CN101865989B (en) 2010-01-18 2010-01-18 Device for testing digitalized electrical energy meter

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CN101865989B true CN101865989B (en) 2012-07-04

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102654573A (en) * 2012-05-28 2012-09-05 辽宁省电力有限公司抚顺供电公司 Verification device for single-phase electric energy meters
CN103698560B (en) * 2013-12-31 2016-06-01 深圳市思达仪表有限公司 High-frequency electromagnetic field anti-interference test fixture
WO2018072055A1 (en) * 2016-10-18 2018-04-26 深圳市思达仪表有限公司 High frequency electromagnetic field anti-interference testing tool
CN114325551B (en) * 2021-11-23 2023-10-17 云南电网有限责任公司 Multipath error synchronous test electric energy meter verification error calculator

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325048A (en) * 1992-04-14 1994-06-28 Digital Kwh Inc. Method and apparatus for calibrating a digital electric engergy consumption meter
US6133720A (en) * 1995-11-30 2000-10-17 General Electric Company High speed multifunction testing and calibration of electronic electricity meters
CN201083824Y (en) * 2007-09-17 2008-07-09 海盐凯普电子科技有限责任公司 Three phase electrical energy meter plane regulating platform
CN101556323A (en) * 2009-04-20 2009-10-14 江苏省电力试验研究院有限公司 Digital electric energy meter checking device with actual loading checking

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325048A (en) * 1992-04-14 1994-06-28 Digital Kwh Inc. Method and apparatus for calibrating a digital electric engergy consumption meter
US6133720A (en) * 1995-11-30 2000-10-17 General Electric Company High speed multifunction testing and calibration of electronic electricity meters
CN201083824Y (en) * 2007-09-17 2008-07-09 海盐凯普电子科技有限责任公司 Three phase electrical energy meter plane regulating platform
CN101556323A (en) * 2009-04-20 2009-10-14 江苏省电力试验研究院有限公司 Digital electric energy meter checking device with actual loading checking

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Owner name: ZHEJIANG ELECTRIC POWER TESTING + RESEARCH INSTITU

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