CN206223953U - A kind of electronic mutual inductor transient test device based on RTDS real-time simulations - Google Patents
A kind of electronic mutual inductor transient test device based on RTDS real-time simulations Download PDFInfo
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- CN206223953U CN206223953U CN201621097159.0U CN201621097159U CN206223953U CN 206223953 U CN206223953 U CN 206223953U CN 201621097159 U CN201621097159 U CN 201621097159U CN 206223953 U CN206223953 U CN 206223953U
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Abstract
The utility model belongs to intelligent substation technical field of measurement and test, more particularly to a kind of electronic mutual inductor transient test device based on RTDS real-time simulations.The device includes RTDS real-time simulation platforms, power amplifier, DTU, combining unit, network message and transient fault record analysis device and tested electronic mutual inductor.Measured signal and standard signal are converted to meet the electronic mutual inductor transient test device for being based on RTDS real-time simulations the data of the 2LE forms of IEC61850 9, and the dynamic response of measured signal and standard signal is qualitatively contrasted by network message and transient fault record analysis device.The utility model can comprehensive assessment electronic mutual inductor transient characterisitics, and be easily achieved, it is to avoid the problems such as a series of problems brought when by traditional simulation test system carrying out transient test, such as scalability and poor compatibility.
Description
Technical field
The utility model is related to intelligent substation technical field of measurement and test, more particularly to a kind of electricity based on RTDS real-time simulations
Minor transformer transient test device.
Background technology
Electronic mutual inductor realizes the source of secondary device digitlization, Network Transmitting, its precision as intelligent substation
There is close relationship with the safe and reliable and economical operation of reliability and power system.As China's intelligent grid is built not
Disconnected propulsion, electronic mutual inductor popularization and application dynamics is also continued to increase, and is having a considerable amount of electronic mutual inductors at present just
Formula hanging net operation.Compared to conventional electromagnetic transformer, electronic mutual inductor solves insulation, magnetic saturation, transient state from principle
The defects such as response, the direct output digit signals of secondary side and other smart machine interfaces, for secondary device networking provides possibility,
Adapt to the demand for development of intelligent substation.But in its application process, some problem demanding prompt solutions are there is also, such as：Electronic type
Stability, collector power supply reliability, transient performance checking under transformer collector antijamming capability, outdoor adverse circumstances etc.
Problem.Electronic current mutual inductor sensing element uses nonferromagnetic material, and in the absence of magnetic saturation phenomenon, the linearity is good, in theory
Also there is good Transfer characteristic for harmonic component and aperiodic component, but its output signal is also needed through a series of electronic circuits
Treatment can just be reduced into the signal being directly proportional to primary current.The amplitude-frequency response of electronic circuit is to the harmonic wave in transient process point
Amount and aperiodic component are there may be certain influence.
Therefore except carrying out electronic mutual inductor steady state performance test, including than difference, angular difference, polarity etc., its transient characterisitics
Test is also highly desirable to.Traditional transient test method utilizes simulation test system, using required for directly generation experiment
Transient heavy current verifies the transient characterisitics of electronic mutual inductor, and its advantage is can more truly to reflect whole transient process,
Visual phenomenon, explicit physical meaning has the disadvantage that the scale of emulation is limited by laboratory equipment and place, different types of each time
Experiment will re-start electrical wiring, and effort takes, and scalability and poor compatibility, realize transient heavy current cost it is high,
Difficulty is larger.
The content of the invention
The purpose of this utility model is to solve to carry out electronic mutual inductor transient test using traditional simulation test system
Presence limitation, there is provided a kind of a kind of more convenient, the more fully performance of assessment electronics formula transformer scheme --- base
In the electronic mutual inductor transient test device of RTDS real-time simulations.
The utility model is achieved through the following technical solutions above-mentioned purpose.
A kind of electronic mutual inductor transient test device based on RTDS real-time simulations, including RTDS real-time simulation platforms,
Power amplifier, DTU, combining unit, network message and transient fault record analysis device and tested electronic type are mutual
Sensor；The RTDS real-time simulation platforms include analogue system work station, RTDS, GTAO, for building electric power system model, carry
For real-time simulation environment, and the transient-wave of emulation is exported to power amplifier by GTAO boards；The power amplifier
Analog signal for the small-signal that GTAO boards are exported to be converted into being applied to tested electronic mutual inductor, wherein simulating all the way
Signal is used as tested analog signal output to tested electronic mutual inductor, and another road analog signal is defeated as standard source analog signal
Go out to DTU；The tested electronic mutual inductor receives the simulation from power amplifier output as equipment under test
Signal, and transmitted to combining unit with FT3 frame formats；The DTU is used to be converted into meeting by standard source signal
The data of IEC61850-9-2LE forms are simultaneously input into network message and transient fault record analysis device；The combining unit is used for
The data for meeting IEC61850-9-2LE forms will be converted into simultaneously with the signal that FT3 frame formats are exported from tested electronic mutual inductor
Access network message and transient fault record analysis device；The network message is used for qualitative with transient fault record analysis device
Contrast measured signal and standard signal dynamic response.
Further, described tested electronic mutual inductor is mutual by the electronic type after actual electronic mutual inductor scale smaller
Sensor.
Preferably, described DTU uses FPGA+DSP hardware structures.
The beneficial effects of the utility model are：The utility model is based on the electronic mutual inductor transient state of RTDS real-time simulations
Test device has stronger flexibility, compatibility.Traditional dynamic simulation test instead of by RTDS emulation platforms and power amplifier
Considerably complicated, quite huge primary equipment, it is workable；In addition can easily by RTDS emulate different faults in the case of
Transient process.Tested electronic mutual inductor is capable of the dynamic response of indirect reaction scene actual motion equipment as equipment under test
Characteristic；The dynamic response of equipment under test and standard source to transient process can easily be compared by DTU.This
The electronic mutual inductor transient test device of RTDS real-time simulations is mutually tied using RTDS simulation modelings with actual electronic mutual inductor
The method of conjunction verifies its dynamic response characteristic, can check electronic mutual inductor to electric network fault process, high fdrequency component, collector electricity
The dynamic response of source failure etc., can comprehensively weigh electronic mutual inductor transient characterisitics, simple testing process, reliability, it is to avoid
The problems such as a series of problems brought when carrying out transient test by traditional simulation test system, such as scalability and poor compatibility.
Brief description of the drawings
Fig. 1 is that a kind of electronic mutual inductor transient test device based on RTDS real-time simulations described in the utility model is former
Reason figure.
During Fig. 2 is a kind of electronic mutual inductor transient test device based on RTDS real-time simulations described in the utility model
DTU schematic diagram.
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of electronic mutual inductor transient test device based on RTDS real-time simulations, including RTDS is real-time
Emulation platform, power amplifier, DTU, combining unit, network message and transient fault record analysis device and quilt
Survey electronic mutual inductor.The RTDS real-time simulation platforms include analogue system work station, RTDS, GTAO, for building electric power
System model, there is provided real-time simulation environment, and the transient-wave of emulation is exported to power amplifier by GTAO boards.It is described
Power amplifier is used to be converted into being applied to by the small-signal that GTAO boards are exported the analog signal of tested electronic mutual inductor, its
In all the way analog signal used as tested analog signal output to tested electronic mutual inductor, another road analog signal is used as standard source
Analog signal output is to DTU.The tested electronic mutual inductor is used as equipment under test, and receiving power amplifier is defeated
The analog signal for going out, and transmitted to combining unit with FT3 frame formats.The DTU is used for the conversion of standard source signal
Into the data and access network message and transient fault record analysis device that meet IEC61850-9-2LE forms, data conversion dress
Put using the hardware structure of DSP+FPGA, including signal adjustment circuit and ADC samplings, FPGA control modules, DSP data processing lists
Unit and Peripheral storage, clock circuit（As shown in Figure 2）.The combining unit is used for the FT3 for exporting tested electronic mutual inductor
Frame format is converted into meeting the data and access network message and transient fault record analysis device of IEC61850-9-2LE forms.
The network message is used for the dynamic response of qualitatively contrast measured signal and standard signal with transient fault record analysis device.
A kind of method of testing of the electronic mutual inductor transient test device based on RTDS real-time simulations is as follows：
1st, electric power system model is built using RTDS real-time simulation platforms, model can arbitrarily adjust power supply and exert oneself and load
Anywhere size, can set failure, and voltage and electricity under real-time status when power network is normally run and accident occurs
Stream is exported by GTAO boards small-signal.
2 and then the low level signal amplification that is exported GTAO boards using power amplifier and export, wherein exporting all the way to quilt
Electronic mutual inductor is surveyed, another road is exported to DTU（As standard source）.
3rd, it is by the electronic mutual inductor after actual electronic mutual inductor scale smaller, except ratio to be tested electronic mutual inductor
Reduce outer, remaining such as acquisition module, power module can react the dynamic response characteristic of live actual motion equipment.
4th, using the hardware structure based on FPGA+DSP, be converted into for standard source analog signal by realization can for DTU
The corresponding data frame of access network message and transient fault record analysis device.
5th, the signal and standard source signal of the FT3 frame formats exported by the tested electronic mutual inductor of qualitative contrast are in failure
Response in transient process, can check the transient characterisitics of electronic mutual inductor.
The utility model is not limited to above-described specific embodiment, the foregoing is only of the present utility model preferable
Case study on implementation, is not used to limit the utility model, it is all made within spirit of the present utility model and principle it is any
Modification, equivalent and improvement etc., should be included within protection domain of the present utility model.
Claims (3)
1. a kind of electronic mutual inductor transient test device based on RTDS real-time simulations, it is characterised in that：It is real-time including RTDS
Emulation platform, power amplifier, DTU, combining unit, network message and transient fault record analysis device and quilt
Survey electronic mutual inductor；The RTDS real-time simulation platforms include analogue system work station, RTDS, GTAO, for building electric power
System model, there is provided real-time simulation environment, and the transient-wave of emulation is exported to power amplifier by GTAO boards；It is described
Power amplifier is used to be converted into being applied to by the small-signal that GTAO boards are exported the analog signal of tested electronic mutual inductor, its
In all the way analog signal used as tested analog signal output to tested electronic mutual inductor, another road analog signal is used as standard source
Analog signal output is to DTU；The tested electronic mutual inductor is received from power amplifier as equipment under test
The tested analog signal of output, and transmitted to combining unit with FT3 frame formats；The DTU is used for standard source mould
Intend signal to be converted into meeting the data of IEC61850-9-2LE forms and be input into network message and transient fault record analysis device；
The combining unit is used to be converted into meeting IEC61850- with the signal that FT3 frame formats are exported from tested electronic mutual inductor
Data and access network message and the transient fault record analysis device of 9-2LE forms；The network message is remembered with transient fault
Record analytical equipment is used for the dynamic response of qualitatively contrast measured signal and standard signal.
2. test device according to claim 1, it is characterised in that：Described tested electronic mutual inductor is by actual electricity
Electronic mutual inductor after minor transformer scale smaller.
3. test device according to claim 1, it is characterised in that：Described DTU is hard using FPGA+DSP
Part framework.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621097159.0U CN206223953U (en) | 2016-09-30 | 2016-09-30 | A kind of electronic mutual inductor transient test device based on RTDS real-time simulations |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621097159.0U CN206223953U (en) | 2016-09-30 | 2016-09-30 | A kind of electronic mutual inductor transient test device based on RTDS real-time simulations |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526524A (en) * | 2016-09-30 | 2017-03-22 | 广西电网有限责任公司电力科学研究院 | Electronic transformer transient state test system based on RTDS real-time simulation |
| CN108508399A (en) * | 2018-04-02 | 2018-09-07 | 国网安徽省电力有限公司电力科学研究院 | Voltage transient test method based on the emulation of electronic type voltage transformer transmittance process |
| CN114019297A (en) * | 2021-09-26 | 2022-02-08 | 中国电力科学研究院有限公司 | Distribution line high-frequency transient characteristic signal generating device and control method thereof |
-
2016
- 2016-09-30 CN CN201621097159.0U patent/CN206223953U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526524A (en) * | 2016-09-30 | 2017-03-22 | 广西电网有限责任公司电力科学研究院 | Electronic transformer transient state test system based on RTDS real-time simulation |
| CN108508399A (en) * | 2018-04-02 | 2018-09-07 | 国网安徽省电力有限公司电力科学研究院 | Voltage transient test method based on the emulation of electronic type voltage transformer transmittance process |
| CN114019297A (en) * | 2021-09-26 | 2022-02-08 | 中国电力科学研究院有限公司 | Distribution line high-frequency transient characteristic signal generating device and control method thereof |
| CN114019297B (en) * | 2021-09-26 | 2023-11-03 | 中国电力科学研究院有限公司 | High-frequency transient characteristic signal generating device of distribution line and control method thereof |
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