CN207798935U - Current transformer calibration device in integrated GIS pipelines - Google Patents

Current transformer calibration device in integrated GIS pipelines Download PDF

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Publication number
CN207798935U
CN207798935U CN201820102876.0U CN201820102876U CN207798935U CN 207798935 U CN207798935 U CN 207798935U CN 201820102876 U CN201820102876 U CN 201820102876U CN 207798935 U CN207798935 U CN 207798935U
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China
Prior art keywords
current transformer
current
program control
control type
electrically
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CN201820102876.0U
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Inventor
戴书峰
李强
姚益顺
王文刚
李栋慧
李昌明
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Lincang Power Supply Bureau of Yunnan Power Grid Co Ltd
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Lincang Power Supply Bureau of Yunnan Power Grid Co Ltd
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Abstract

The utility model embodiment discloses current transformer calibration device in a kind of integration GIS pipelines, including:Master controller, program control type switching gear current lifting device, reactive power compensator, standard current transformer and detecting current transformer equipment, wherein:The reactive power compensator is electrically connected with program control type switching gear current lifting device;The main control switches gear current lifting device with the program control type respectively and the reactive power compensator is electrically connected;The standard current transformer switches gear current lifting device with the program control type respectively and the detecting current transformer equipment is electrically connected, and the detecting current transformer equipment is also electrically connected with the master controller.The present apparatus only need to disposably connect test wire, realize the automatic calibrating for carrying out current transformer, program control type switching gear current lifting device automatically selects suitable gear and carries out reactive-load compensation, the on-site proving for realizing current transformer in GIS pipelines improves the efficiency that current transformer verifies in GIS pipelines.

Description

Current transformer calibration device in integrated GIS pipelines
Technical field
The utility model is related to current transformers in electrical equipment technical field more particularly to a kind of integration GIS pipelines Calibration equipment.
Background technology
In GIS (Gas Insulated Substation, gas insulated transformer substation) most electrical equipment be all by It is directly or indirectly sealed in the pipeline tree that metallic conduit and casing are formed, any switch not visible from outside and connects circuit Line terminals.All component of high voltage electrical apparatus are sealed in and connect all using SF6 gases as dielectric by the inside of pipeline tree In ground metal cylinder.Traditional GIS is by breaker, busbar, disconnecting switch, voltage transformer, current transformer, arrester, set The high voltage distribution installation that 7 kinds of High-Voltage Electrical Appliances of pipe are composed.
Current transformer needs to carry out field-checking in wherein GIS, with more and more 110kV and 220kV voltages etc. Grade GIS constantly increases, therefore also increases the field-checking work of current transformer in GIS pipelines.Due in GIS pipelines Current transformer understands unlike traditional column, structure, the more convenient progress of field test.It is general to carry out electric current in GIS pipelines When mutual inductor, test loop is long, impedance is larger, it is therefore desirable to the capacity of experiment power supply than conventional current mutual inductor experiment very Greatly, the power of reactive component consumption is very big, and the various equipment that scene needs are numerous and jumbled.
But more current lifting devices and available for different connection modes are needed when scene use tradition method of calibration, and to estimate at the scene Required capacity, therefore the risk abruptly increase for field-checking difficulty and to verification electric shock and maloperation, can give grid equipment, experiment Equipment and safe operation bring problem, cause verification efficiency low.
Utility model content
The utility model provides current transformer calibration device in a kind of integration GIS pipelines, to solve the prior art In to the low problem of current transformer verification efficiency in GIS pipelines.
In order to solve the above-mentioned technical problem, the utility model embodiment discloses following technical solution:
Current transformer calibration device in a kind of integration GIS pipelines, including:Master controller, program control type switch gear liter Device, reactive power compensator, standard current transformer and detecting current transformer equipment are flowed, wherein:The reactive power compensator with The program control type switching gear current lifting device electrical connection;The main control switches gear current lifting device and described with the program control type respectively Reactive power compensator is electrically connected;The standard current transformer switches gear current lifting device and the electric current with the program control type respectively Ct calibrating equipment is electrically connected, and the detecting current transformer equipment is also electrically connected with the master controller.
Optionally, power supply and pressure regulation are additionally provided between the main control and program control type switching gear current lifting device Device, the power supply are electrically connected with one end of the master controller and the pressure regulator respectively, the other end of the pressure regulator Connect the program control type switching gear current lifting device.
Optionally, it is provided with human-computer interaction device between the master controller and the detecting current transformer equipment, institute Human-computer interaction device is stated to be electrically connected with the master controller and the detecting current transformer equipment respectively.
Optionally, the detecting current transformer equipment includes impedance measurement module, error sensing module and power quality Assessment module, the impedance measurement module, error sensing module and power quality assessment module are set with the human-computer interaction respectively Standby electrical connection.
Optionally, the human-computer interaction device includes display screen, data processing module and data reception module, the data Processing module is separately connected the display screen and the data reception module, and the data reception module is separately connected the impedance Measurement module, error sensing module and power quality assessment module.
Optionally, the standard current transformer and the detecting current transformer equipment are also detected in GIS pipelines Current transformer is electrically connected.
As seen from the above technical solution, Current Mutual Inductance in a kind of integration GIS pipelines that the utility model embodiment provides Device calibration equipment, including:Master controller, program control type switching gear current lifting device, reactive power compensator, standard current transformer and electricity Current transformer calibration equipment, wherein:The reactive power compensator is electrically connected with program control type switching gear current lifting device;The master Control switches gear current lifting device with the program control type respectively and the reactive power compensator is electrically connected;The standard current transformer Switch gear current lifting device with the program control type respectively and the detecting current transformer equipment is electrically connected, the current transformer inspection Locking equipment is also electrically connected with the master controller.The present apparatus only need to disposably connect test wire, realize that automatic progress electric current is mutual The calibrating of sensor, program control type switching gear current lifting device automatically select suitable gear and carry out reactive-load compensation, realize in GIS pipelines The on-site proving of current transformer improves the efficiency that current transformer verifies in GIS pipelines.
Description of the drawings
It, below will be to attached drawing needed in the embodiment in order to illustrate more clearly of the technical solution of the utility model It is briefly described, it should be apparent that, for those of ordinary skills, in the premise of not making the creative labor property Under, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural representation of current transformer calibration device in a kind of integration GIS pipelines provided by the utility model Figure.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings.
Referring to the structure that Fig. 1 is current transformer calibration device in a kind of integration GIS pipelines provided by the utility model Schematic diagram, as shown in Figure 1, current transformer calibration device in the integration GIS pipelines, including:Master controller, program control type are cut Gear shift position current lifting device, reactive power compensator, standard current transformer, detecting current transformer equipment, power supply, pressure regulator and Human-computer interaction device.
The reactive power compensator is electrically connected with program control type switching gear current lifting device;The main control respectively with it is described Program control type switches gear current lifting device and reactive power compensator electrical connection.The standard current transformer respectively with it is described program-controlled Formula switch gear current lifting device and the detecting current transformer equipment electrical connection, the detecting current transformer equipment also with it is described Master controller is electrically connected, and the standard current transformer and the detecting current transformer equipment are also detected in GIS pipelines Current transformer is electrically connected.
Master controller switches gear current lifting device by program control type and carries out pressure regulation up-flow automatically, and the program control type switches gear liter It flows device and automatically switches the matching that gear carries out current lifting device, when verification, the reactive power compensator compensated, and passed through Current Mutual Inductance Device calibration equipment carries out the field-checking of current transformer in GIS pipelines.
Program control type switches gear current lifting device and reactive power compensator when carrying out current transformer verification, long according to circuit The information such as short, tested current transformer ratio size reasonably carry out gear switch, and reactive power compensator carries out reactive component Compensation.The real time on-line monitoring of voltage and current vector is set in reactive power compensator, passes through perception, capacitive and resistance in analysis circuit Property ingredient size calculated automatically, and feed back to master controller and carry out the compensation of reactive component, online compensation in real time Reactive component, reduces the testing crew deficiency that artificially repeatedly the selection mode of connection is brought, and reactive component compensation can pass through liter It flows the compensation of device primary side and secondary side compensates two ways and carries out.
The power supply and pressure regulator setting are between the main control and program control type switching gear current lifting device, institute It states power supply to be electrically connected with one end of the master controller and the pressure regulator respectively, the other end of the pressure regulator connects institute State program control type switching gear current lifting device.It is provided with human-computer interaction between the master controller and the detecting current transformer equipment Equipment, the human-computer interaction device are electrically connected with the master controller and the detecting current transformer equipment respectively.The people Machine interactive device includes display screen, data processing module and data reception module, and the data processing module is separately connected described Display screen and the data reception module, the data reception module are separately connected the impedance measurement module, error-detecting mould Block and power quality assessment module.The detecting current transformer equipment includes impedance measurement module, error sensing module and electricity Source performance rating module, the impedance measurement module, error sensing module and power quality assessment module respectively with it is described man-machine Interactive device is electrically connected.
Impedance measurement module, error sensing module and power quality assessment module in detecting current transformer equipment are realized The measurement of current transformer impedance, error measure and the measurement of power quality, can directly be connected with human-computer interaction interface Connect simultaneously recording error test data.Data reception module in the human-computer interaction device can receive data and the transmission of verification To data processing module, data processing module can be shown on a display screen after handling data.
When carrying out current mutual inductor on site verification in GIS pipelines, power supply can be 220V or 380V power supplys, power supply Power supply provides the power supply of entire calibration equipment, and then testing crew is returned according to the selection of current mutual inductor field detecting regulation is suitable Road and substantially measuring loop length will test the connections such as primary line, ground wire, secondary line correctly and whether just determine wiring herein Really, at the same the safe distance of guarantee test whether in place, after being ready to complete carry out scene GIS pipelines in current transformer school It tests.Wherein, then main controller controls power operation carries out first pressure regulation using pressure regulator, judges whether circuit is unobstructed and electric Whether the parameters such as current transformer polarity are correct, main if the unusual conditions such as overcurrent occurs in system if correct system is examined and determine automatically Control directly cuts off the power and provides rational warning information;If no alarm information, device will be according to accredited current transformer No-load voltage ratio, circuit distance etc. information automatically switch current lifting device gear and carry out auto-reactive compensation, pass through current mutual inductor on site Assay module carries out the error testing of regulation defined test point, and last human-computer interaction interface will record surveyed margin of error in real time According to, automatically form original record and Site Detection report, in case power supply bureau's testing crew is consulted and is printed.
By above-described embodiment it is found that current transformer calibration device in a kind of integration GIS pipelines provided in this embodiment, Including:Master controller, program control type switching gear current lifting device, reactive power compensator, standard current transformer, detecting current transformer Equipment, power supply, pressure regulator and human-computer interaction device.Wherein:The reactive power compensator switches gear with the program control type Current lifting device is electrically connected;The main control switches gear current lifting device with the program control type respectively and the reactive power compensator is electrically connected It connects.The standard current transformer switches gear current lifting device and detecting current transformer equipment electricity with the program control type respectively Connection, the detecting current transformer equipment are also electrically connected with the master controller, the standard current transformer and the electricity Current transformer calibration equipment is also electrically connected with sensed current mutual inductor in GIS pipelines.The power supply and pressure regulator setting The main control and the program control type switching gear current lifting device between, the power supply respectively with the master controller and institute One end electrical connection of pressure regulator is stated, the other end of the pressure regulator connects the program control type and switches gear current lifting device.The master control Be provided with human-computer interaction device between device processed and the detecting current transformer equipment, the human-computer interaction device respectively with it is described Master controller and detecting current transformer equipment electrical connection.The present apparatus only need to disposably connect test wire, realize automatic The calibrating of current transformer is carried out, program control type switching gear current lifting device automatically selects suitable gear and carries out reactive-load compensation, realizes The on-site proving of current transformer in GIS pipelines, improves the efficiency that current transformer verifies in GIS pipelines.
It should be noted that herein, the terms "include", "comprise" or its any other variant are intended to non-row His property includes, so that the process, method, article or equipment including a series of elements includes not only those elements, and And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including institute State in the process, method, article or equipment of element that there is also other identical elements.
Above-described the utility model embodiment does not constitute the restriction to scope of protection of the utility model.

Claims (6)

1. current transformer calibration device in a kind of integration GIS pipelines, which is characterized in that including:Master controller, program control type are cut Gear shift position current lifting device, reactive power compensator, standard current transformer and detecting current transformer equipment, wherein:
The reactive power compensator is electrically connected with program control type switching gear current lifting device;
The main control switches gear current lifting device with the program control type respectively and the reactive power compensator is electrically connected;
The standard current transformer switches gear current lifting device and the detecting current transformer equipment with the program control type respectively Electrical connection, the detecting current transformer equipment are also electrically connected with the master controller.
2. current transformer calibration device in integration GIS pipelines according to claim 1, which is characterized in that the master Control and the program control type are additionally provided with power supply and pressure regulator between switching gear current lifting device, the power supply respectively with One end of the master controller and the pressure regulator is electrically connected, and the other end of the pressure regulator connects the program control type and switches gear Current lifting device.
3. current transformer calibration device in integration GIS pipelines according to claim 2, which is characterized in that the master Be provided with human-computer interaction device between controller and the detecting current transformer equipment, the human-computer interaction device respectively with institute State master controller and detecting current transformer equipment electrical connection.
4. current transformer calibration device in integration GIS pipelines according to claim 3, which is characterized in that the electricity Current transformer calibration equipment includes impedance measurement module, error sensing module and power quality assessment module, the impedance measurement Module, error sensing module and power quality assessment module are electrically connected with the human-computer interaction device respectively.
5. current transformer calibration device in integration GIS pipelines according to claim 4, which is characterized in that the people Machine interactive device includes display screen, data processing module and data reception module, and the data processing module is separately connected described Display screen and the data reception module, the data reception module are separately connected the impedance measurement module, error-detecting mould Block and power quality assessment module.
6. current transformer calibration device in integration GIS pipelines according to claim 1, which is characterized in that the mark Quasi- current transformer and the detecting current transformer equipment are also electrically connected with sensed current mutual inductor in GIS pipelines.
CN201820102876.0U 2018-01-22 2018-01-22 Current transformer calibration device in integrated GIS pipelines Active CN207798935U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820102876.0U CN207798935U (en) 2018-01-22 2018-01-22 Current transformer calibration device in integrated GIS pipelines

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820102876.0U CN207798935U (en) 2018-01-22 2018-01-22 Current transformer calibration device in integrated GIS pipelines

Publications (1)

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CN207798935U true CN207798935U (en) 2018-08-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109324306A (en) * 2018-12-14 2019-02-12 国家电网有限公司 A kind of GIS device current transformer error test macro and its construction method
CN111289941A (en) * 2020-04-13 2020-06-16 云南电网有限责任公司电力科学研究院 Integrated test system of current transformer for metering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109324306A (en) * 2018-12-14 2019-02-12 国家电网有限公司 A kind of GIS device current transformer error test macro and its construction method
CN111289941A (en) * 2020-04-13 2020-06-16 云南电网有限责任公司电力科学研究院 Integrated test system of current transformer for metering

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