CN106526524A - Electronic transformer transient state test system based on RTDS real-time simulation - Google Patents
Electronic transformer transient state test system based on RTDS real-time simulation Download PDFInfo
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- CN106526524A CN106526524A CN201610869386.9A CN201610869386A CN106526524A CN 106526524 A CN106526524 A CN 106526524A CN 201610869386 A CN201610869386 A CN 201610869386A CN 106526524 A CN106526524 A CN 106526524A
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- mutual inductor
- electronic mutual
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- transient
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
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Abstract
The invention belongs to the technical field of intelligent transformer station testing, and particularly relates to an electronic transformer transient state test system based on RTDS real-time simulation. The system includes an RTDS real-time simulation platform, a power amplifier, a data conversion device, a merging unit, a network message and transient state fault record analysis device and a tested electronic transformer. The system converts a tested signal and a standard signal into data satisfying an IEC61850-9-2LE format, and qualitatively compares dynamic response of the tested signal and the standard signal through the network message and transient state fault record analysis device. The electronic transformer transient state test system based on RTDS real-time simulation can comprehensively assess the transient characteristics of the electronic transformer, is easy to realize, and avoids a series of problems brought when a traditional dynamic simulation test system develops a transient state test, such as the problems of poor expandability and compatibility and the like.
Description
Technical field
The present invention relates to intelligent substation technical field of measurement and test, more particularly to a kind of electronic type based on RTDS real-time simulations
Transformer transient test system.
Background technology
Electronic mutual inductor realizes the source of secondary device digitized, Network Transmitting as intelligent substation, its precision
There is close relationship with safe and reliable and economical operation of the reliability with power system.As China's intelligent grid is built not
Disconnected propulsion, electronic mutual inductor popularization and application dynamics are also continued to increase, and are just having a considerable amount of electronic mutual inductors at present
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, provide possibility for secondary device networking,
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, harvester power supply reliability, transient performance checking under transformer harvester capacity of resisting disturbance, outdoor adverse circumstances etc.
Problem.Electronic current mutual inductor sensing element adopts nonferromagnetic material, there is no magnetic saturation phenomenon, and the linearity is good, in theory
For harmonic component and aperiodic component also have good Transfer characteristic, but its output signal also needs a series of electronic circuits of Jing
Process 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 may produce certain impact.
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, required for using directly generation test
Verifying the transient characterisitics of electronic mutual inductor, its advantage is can more truly to reflect whole transient process to transient heavy current,
Visual phenomenon, explicit physical meaning have the disadvantage that the scale for emulating is limited by laboratory equlpment and place, different types of each time
Test will re-start electrical wiring, and effort takes, and extensibility and poor compatibility, realize transient heavy current cost it is high,
Difficulty is larger.
The content of the invention
It is an object of the invention to solve to carry out depositing for electronic mutual inductor transient test using traditional simulation test system
Limitation, there is provided a kind of more convenient, scheme one kind of the more fully performance of assessment electronics formula transformer is based on
The electronic mutual inductor transient test system of RTDS real-time simulations.
The present invention is achieved through the following technical solutions above-mentioned purpose.
A kind of electronic mutual inductor transient test system based on RTDS real-time simulations, including RTDS real-time simulation platforms,
Power amplifier, DTU, combining unit, network message and transient fault record analyses 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 simulation result is exported to power amplifier by GTAO boards；The power amplifier is used
In the small-signal that GTAO boards are exported is converted into the analogue signal suitable for tested electronic mutual inductor, all the way as measured
Export to tested electronic mutual inductor, another road is exported to DTU as standard source；The tested electronic type mutual inductance
Device is received the analogue signal from power amplifier output, and is transmitted to combining unit with FT3 frame formats as equipment under test；Institute
DTU is stated for standard source signal to be converted into meeting the data of IEC61850-9-2LE forms and being input into network report
Text and transient fault record analyses device；The combining unit is used for export from tested electronic mutual inductor with FT3 frame formats
Signal be converted into meeting data access network message and the transient fault record analyses device of IEC61850-9-2LE forms；
The network message is used for qualitatively contrasting the dynamic response of measured signal and standard signal with transient fault record analyses device.
Further, described RTDS emulation platforms are used for building electric power system model, and the transient-wave of emulation is passed through
GTAO boards are exported to power amplifier.
Further, described tested electronic mutual inductor is mutual by the electronic type after actual electronic mutual inductor scale smaller
Sensor.
Preferably, described DTU adopts FPGA+DSP hardware structures.
The beneficial effects of the present invention is：Electronic mutual inductor transient test system of the present invention based on RTDS real-time simulations
With stronger motility, compatibility.By RTDS emulation platforms and power amplifier instead of traditional dynamic simulation test it is considerably complicated,
Quite huge primary equipment, it is workable；The transient state mistake in the case of different faults can be emulated by RTDS easily in addition
Journey.Tested electronic mutual inductor is capable of the dynamic response characteristic of indirect reaction scene actual motion equipment as equipment under test；It is logical
Cross DTU and can easily compare equipment under test and dynamic response of the standard source to transient process.This RTDS is imitated in real time
The method school that genuine electronic mutual inductor transient test system is combined with actual electronic mutual inductor using RTDS simulation modelings
Its dynamic response characteristic is tested, electronic mutual inductor can be checked to electric network fault process, high fdrequency components, harvester power failure etc.
Dynamic response, can weigh electronic mutual inductor transient characterisitics, simple testing process, reliability comprehensively, it is to avoid by traditional dynamic model
The problems such as series of problems brought during pilot system development transient test, such as extensibility and poor compatibility.
Description of the drawings
Fig. 1 is a kind of electronic mutual inductor transient test system principle based on RTDS real-time simulations of the present invention
Figure.
Fig. 2 is the number in a kind of electronic mutual inductor transient test system based on RTDS real-time simulations of the present invention
According to conversion equipment schematic diagram.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of electronic mutual inductor transient test system based on RTDS real-time simulations, real-time including RTDS
Emulation platform, power amplifier, DTU, combining unit, network message and transient fault record analyses 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 simulation result is exported to power amplifier by GTAO boards.The work(
Rate amplifier for the small-signal that GTAO boards are exported is converted into the analogue signal suitable for tested electronic mutual inductor, all the way
Export to tested electronic mutual inductor as measured signal, another road is as standard source signal output to DTU.
The tested electronic mutual inductor is used as equipment under test, the analogue signal of receiving power amplifier output, and is passed with FT3 frame formats
Transport to combining unit.The DTU is for being converted into meeting the number of IEC61850-9-2LE forms by standard source signal
According to simultaneously access network message and transient fault record analyses device, hardware structure of the DTU using DSP+FPGA, bag
Include signal adjustment circuit and ADC samplings, FPGA control modules, DSP data processing units and Peripheral storage, clock circuit（Such as Fig. 2
It is shown）.The combining unit is for the FT3 frame formats that tested electronic mutual inductor is exported to be converted into meeting IEC61850-9-
The data of 2LE forms access network message and transient fault record analyses device.The network message is recorded with transient fault
Analytical equipment is used for qualitatively contrasting the dynamic response of measured signal and standard signal.
A kind of method of testing of the electronic mutual inductor transient test system based on RTDS real-time simulations is as follows：
1st, build electric power system model using RTDS real-time simulation platforms, model arbitrarily can adjust power supply exert oneself it is big with load
Little, when anywhere failure can be set, and electrical network normally being run and accident occurred the voltage and current under real-time status
Exported by GTAO boards small-signal.
2nd, and then using power amplifier the low level signal amplification that exports GTAO boards is simultaneously exported, and is wherein exported to quilt all the way
Electronic mutual inductor is surveyed, another road is exported to DTU（As standard source）.
3rd, tested electronic mutual inductor is by the electronic mutual inductor after actual electronic mutual inductor scale smaller, except ratio
Reduce outer, remaining such as acquisition module, power module etc. can react the dynamic response characteristic of live actual motion equipment.
4th, using the hardware structure based on FPGA+DSP, standard source analogue signal is converted into by realization can for DTU
The corresponding data frame of access network message and transient fault record analyses device.
5th, by the signal and standard source signal of the FT3 frame formats of the tested electronic mutual inductor output of qualitative contrast in failure
Response in transient process, can check the transient characterisitics of electronic mutual inductor.
The present invention is not limited to above-described specific embodiment, the foregoing is only the preferable case study on implementation of the present invention
, not to limit the present invention, all any modifications made within the spirit and principles in the present invention, equivalent and change
Enter, should be included within the scope of the present invention.
Claims (4)
1. a kind of electronic mutual inductor transient test system 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 analyses 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 simulation result is exported to power amplifier by GTAO boards；The work(
Rate amplifier for the small-signal that GTAO boards are exported is converted into the analogue signal suitable for tested electronic mutual inductor, all the way
Export to tested electronic mutual inductor as measured, another road is exported to DTU as standard source；It is described tested
Electronic mutual inductor is received the analogue signal from power amplifier output, and is transmitted to conjunction with FT3 frame formats as equipment under test
And unit；The DTU is for being converted into meeting data of IEC61850-9-2LE forms defeated by standard source signal
Enter network message and transient fault record analyses device；The combining unit is used for will be from tested electronic mutual inductor with FT3 frames
The signal of form output is converted into meeting the data of IEC61850-9-2LE forms and access network message is recorded with transient fault
Analytical equipment；The network message and transient fault record analyses device are used for qualitatively contrasting measured signal and standard signal
Dynamic response.
2. test system according to claim 1, it is characterised in that：Described RTDS emulation platforms are used for building power train
System model, and the transient-wave of emulation is exported to power amplifier by GTAO boards.
3. test system 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.
4. test system according to claim 1, it is characterised in that：Described DTU is hard using FPGA+DSP
Part framework.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610869386.9A CN106526524A (en) | 2016-09-30 | 2016-09-30 | Electronic transformer transient state test system based on RTDS real-time simulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610869386.9A CN106526524A (en) | 2016-09-30 | 2016-09-30 | Electronic transformer transient state test system based on RTDS real-time simulation |
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| CN106526524A true CN106526524A (en) | 2017-03-22 |
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| CN201610869386.9A Pending CN106526524A (en) | 2016-09-30 | 2016-09-30 | Electronic transformer transient state test system based on RTDS real-time simulation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| CN111988189A (en) * | 2020-09-08 | 2020-11-24 | 武汉市豪迈电力自动化技术有限责任公司 | FT3 protocol conversion device and method |
| CN113655274A (en) * | 2021-08-30 | 2021-11-16 | 西安交通大学 | System and method for detecting transient transmission performance of combined electronic transformer |
| 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 |
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|---|---|---|---|---|
| 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 |
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| CN113655274A (en) * | 2021-08-30 | 2021-11-16 | 西安交通大学 | System and method for detecting transient transmission performance of combined electronic transformer |
| 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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Application publication date: 20170322 |