CN207440608U - Realize the communicator of electric device control system test and test system - Google Patents

Realize the communicator of electric device control system test and test system Download PDF

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Publication number
CN207440608U
CN207440608U CN201721501060.7U CN201721501060U CN207440608U CN 207440608 U CN207440608 U CN 207440608U CN 201721501060 U CN201721501060 U CN 201721501060U CN 207440608 U CN207440608 U CN 207440608U
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China
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signal
control system
device control
electric device
electric
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CN201721501060.7U
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马智远
莫文雄
王勇
许中
许崇福
王弋飞
江益章
张振嵘
崔晓飞
李情
范伟强
李隆鹏
范旭娟
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Xi'an Xidian Electric Research Institute Co Ltd
Guangzhou Power Supply Bureau Co Ltd
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Abstract

The utility model is related to a kind of communicator for realizing the test of electric device control system and test systems.The device includes:The fiber optical transceiver being connected with electric device control system to be measured;The central processing unit being connected with fiber optical transceiver and RTDS;Fiber optical transceiver, for receiving the first optical signal of electric device control system output to be measured, and the first optical signal is converted into the first electric signal, and receive the second electric signal that central processing unit is sent, second electric signal is converted into the second optical signal, and by the second optical signal feedback to electric device control system to be measured;Central processing unit obtains pulse signal for receiving and parsing through the first electric signal, pulse signal is sent to RTDS, receives and processes the feedback signal that RTDS response impulse signals obtain, the second obtained electric signal, and the second electric signal is sent to fiber optical transceiver.Make RTDS that can test different fiber optic protocols, the electric device control system of different voltages grade by the device, improve the RTDS scope of applications.

Description

Realize the communicator of electric device control system test and test system
Technical field
The utility model is related to electric device control system testing field, more particularly to a kind of realization electric device control The communicator of system testing and test system.
Background technology
It is higher and higher recently as requirement of the country to energy internet, intelligent grid, elastic power grid etc., it is high in cascade Piezoelectricity power apparatus has in electric system to be more and more widely used, the requirement of the rise of voltage class to power electronic devices Also it is higher and higher, but the relatively traditional electricity piece of power electronic devices shows slightly fragile, caused by reducing artificial error Device failure is tested the control system performance of electric device and is just particularly important before upper main electricity.
Traditional electric device control system test method includes:The high-power power cell of actual device is miniaturized, The platform in kind of small voltage small-power grade is made, the test to control system control performance is completed based on the platform;It is or logical It crosses and is connected RTDS (Real Time Digital Simulator, real-timedigital simulation device) with actual tested device, to reality Border tested device carries out real-timedigital simulation.However, electric device is generally communicated using optical fiber with each power cell, without Same electric device communicates often through different fiber optic communication protocols, and RTDS cannot provide compatible each fiber optic communication protocol Fiber optic data communication interface.Therefore, the electric device for different fiber optic communication protocols needs to be equipped with different RTDS, it is of high cost and The scope of application is small.
Utility model content
Based on this, it is necessary to the fiber optic communication of compatible each fiber optic communication protocol cannot be provided for real-timedigital simulation device The problem of interface, provides a kind of communicator and test system for realizing the test of electric device control system.
A kind of communicator for realizing the test of electric device control system, including:
The fiber optical transceiver being connected with electric device control system to be measured;
The central processing unit being connected with the fiber optical transceiver and RTDS;
The fiber optical transceiver, for receiving the first optical signal of the electric device control system output to be measured, and will First optical signal is converted to the first electric signal and receives the second electric signal that the central processing unit is sent, by described in Second electric signal is converted to the second optical signal, and by second optical signal feedback to the electric device control system to be measured;
The central processing unit obtains pulse signal for receiving and parsing through first electric signal, the pulse is believed Number RTDS is sent to, receives and processes the RTDS and respond the feedback signal that the pulse signal obtains, the second obtained telecommunications Number, and second electric signal is sent to the fiber optical transceiver.
In one of the embodiments, the electricity being connected respectively with the fiber optical transceiver and the central processing unit is further included For receiving the first electric signal that the fiber optical transceiver is sent, it is pre- to be converted to first by flat turn parallel operation for first electric signal If the first electric signal of level standard is simultaneously sent to the central processing unit;Receive the second telecommunications that the central processing unit is sent Number, second electric signal is converted into the second electric signal of the second predetermined level standard and is sent to the fiber optical transceiver.
In one of the embodiments, the A/D converter being connected with the central processing unit, the A/D conversions are further included Device is used to receive the analog feedback signal that the RTDS responds the pulse signal, and the analog feedback signal is converted to number Feedback signal, and the digital feedback signal is sent to the central processing unit.
In one of the embodiments, further include that input terminal is connected with the RTDS, output terminal and the A/D converter connect The signal conditioner connect, the signal conditioner is for receiving analog feedback signal, according to preset standard to the analog feedback Signal is converted, and transformed analog feedback signal is sent to the A/D converter.
In one of the embodiments, at least two cascade fiber optical transceivers are connected with the central processing unit;At least Two cascade signal conditioners are connected with the A/D converter.
In one of the embodiments, the fiber optical transceiver include fiber optic receiver and with the fiber optic receiver pair The fiber optic transmitter answered,
The fiber optic receiver, for receiving the first optical signal of the electric device control system output to be measured, and will First optical signal is converted to the first electric signal;
The fiber optic transmitter, for receiving the second electric signal that the central processing unit is sent, by second telecommunications Number be converted to the second optical signal, and by second optical signal feedback to the electric device control system to be measured.
In one of the embodiments, the fiber optical transceiver is connected by serial ports with the central processing unit.
In one of the embodiments, further include input terminal be connected with the central processing unit, output terminal and the RTDS The impulser of connection.
In one of the embodiments, the A/D converter is 12 A/D converters.
A kind of test system for realizing the test of electric device control system, including electric device control system to be measured, above-mentioned The communicator and realize electric device control with described that realization electric device control system described in any one embodiment is tested The communicator connection of system testing processed, the RTDS equipment for being tested electric device control system to be measured.
The communicator of above-mentioned realization electric device control system test and test system, will by using fiber optical transceiver The optical signal of electric device control system output to be measured is converted to electric signal, and the electric signal is converted to the arteries and veins needed for RTDS It rushes signal and the RTDS electric signals fed back is converted to by optical signal by fiber optical transceiver, and obtained optical signal will be fed back Electric device control system to be measured is sent to, RTDS can be communicated by electric signal with electric device control system to be measured, Because of fiber optic communication protocol used by without regard to each electric device so that the different fiber optic communications of same compatible detections of RTDS The electric device of agreement, so as to extend the applicable scope of RTDS.Due to the electric device using different fiber optic communication protocols Emulation testing is carried out using same RTDS, reduces further cost needed for test.
Description of the drawings
Fig. 1 is the structure diagram for the communicator that the test of electric device control system is realized in an embodiment;
Fig. 2 is the structure diagram for the communicator that the test of electric device control system is realized in another embodiment;
Fig. 3 is the structure diagram for the communicator that the test of electric device control system is realized in another embodiment;
Fig. 4 is the structure diagram for the communicator that the test of electric device control system is realized in another embodiment.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that make new to this practicality The more thorough and comprehensive that the disclosure of type understands.
As shown in Figure 1, in one embodiment, a kind of communicator 200 for realizing the test of electric device control system, bag It includes:The fiber optical transceiver 210 being connected with electric device control system to be measured, with fiber optical transceiver 210 and RTDS (Real Time Digital Simulator, real-time digital simulator) 300 central processing units 220 connected.
RTDS is to be developed to manufacture by Canadian Manitoba RTDS companies, is specially designed for electromagnetism in research electric system The device of transition effect.RTDS is " real-time " simulation device, refers to the algorithm of electric system in real time and can be calculated sufficient It is enough fast, thus output can be continuously generated, represent the situation in real network these output real results.Due to RTDS It is real-time simulation device, therefore it can be directly connected in electric power system control and protective device, used by the device Family, which can be studied, to be influenced to prevent power-off or failure caused by the interference on electric system device and network.
However, electric device control system generally use optical fiber communicates to improve anti-interference energy with each power cell Power, for the emulation testing of the electric device using different fiber optic communication protocols, RTDS needs that there is optical fiber compatible to lead to Believe interface, therefore, different electric devices can only use dedicated RTDS equipment.And above-mentioned realization electric device control system is surveyed The communicator of examination, for being connected between electric device control system to be measured and RTDS, it is compatible difference fiber optic protocols and The power electronic equipment control system of different voltages grade, and complete to turn between optical signal and electric signal by fiber optical transceiver It changes, RTDS is directly connected with the electrical interface of the communicator, and then can be realized through RTDS to different fiber optic communication protocols Electric device control system tested, improve the versatility of RTDS equipment.
Further, fiber optical transceiver 210, for receiving the first light letter that electric device control system 100 to be measured exports Number, and the first optical signal is converted into the first electric signal and receives the second electric signal that central processing unit 220 is sent, by the Two electric signals are converted to the second optical signal, and by the second optical signal feedback to electric device control system 100 to be measured.
In the present embodiment, fiber optical transceiver 210 is connected by optical fiber with electric device control system 100 to be measured, will be treated The optical signal that survey electric device control system 100 is transmitted by optical fiber communicates after being converted to electric signal with RTDS 300, and After the electric signals returned of RTDS 300 are converted to optical signal, then by optical fiber by optical signal feedback to electric device control system 100, making can be by between communicator 200 and RTDS 300 using the electric device control system 100 of different fiber optic protocols Establish communication linkage.
Central processing unit 220 obtains pulse signal for receiving and parsing through the first electric signal, pulse signal is sent to RTDS 300, receives and processes the feedback signal that 300 response impulse signals of RTDS obtain, the second obtained electric signal, and by Two electric signals are sent to fiber optical transceiver 210.
In the present embodiment, central processing unit 220 is right when receiving the first electric signal of the transmission of fiber optical transceiver 210 First electric signal is parsed, and obtains needing being sent to the pulse signal that RTDS 300 is tested, and by the pulse signal Be sent to RTDS 300 and carry out emulation testing, more device informations are obtained will pass through pulse signal, more accurately analysis and Grasp the behavioural characteristic of device in electric device control system 100.Also, central processing unit 220 can also respond RTDS 300 The feedback signal of pulse signal is handled, and is passed through fiber optical transceiver 210 and be sent to electric device control system 100 to be measured, Realize the closed loop test to electric device control system 100 to be measured.
Further, feedback signal includes controlling the coherent signal of protective device in electric device control system to be measured, than The switch state signal of the status signal of such as breaker, other protection devices.
Using the communicator 200 for realizing the test of electric device control system realize electric device control system 100 with Communication between RTDS 300 makes RTDS 300 without configuration and 100 corresponding fiber optic communication of electric device control system to be measured Interface can be universally used in all types of electric device control systems, complete the closed loop test to electric device control system, expand The scope of application of RTDS.
In another embodiment, as shown in Fig. 2, realizing that the communicator 200 of electric device control system test further includes The level translator 230 being connected respectively with fiber optical transceiver 210 and central processing unit 220, sends out for reception optical fiber transceiver 210 First electric signal is converted to the first electric signal of predetermined level standard and is sent to central processing unit by the first electric signal sent 220, the second electric signal that central 220 processors are sent is received, the second electric signal is converted to the second electricity of predetermined level standard Signal is simultaneously sent to fiber optical transceiver 210.
Level translator refers to convert input voltage into the converter device that another voltage value is exported.In the present embodiment In, the first predetermined level standard is the operating voltage standard of central processing unit 220, by level translator 230 by optical fiber transceiving Device output the first electric signal be converted to 220 corresponding operating voltage of central processing unit, so as to central processing unit 220 to conversion after The first electric signal handled.
Further, the second predetermined level standard is the operating voltage standard of fiber optical transceiver 210, passes through level translator 230 the second electric signals for exporting central processing unit 220 are converted to 210 corresponding operating voltage of fiber optical transceiver, so as to optical fiber Processor 210 carries out opto-electronic conversion processing to transformed second electric signal.
By setting level translator 230 between fiber optical transceiver 210 and central processing unit 220, meet different components Different operating level demand so that have different operating voltage fiber optical transceiver 210 and central processing unit 220 can be normal It communicates.
In another embodiment, as shown in figure 3, realizing that the communicator 200 of electric device control system test further includes The A/D converter 240 being connected with central processing unit 220, A/D converter 240 obtain for receiving RTDS300 response impulse signals Analog feedback signal, analog feedback signal is converted into digital feedback signal, and digital feedback signal is sent to centre Manage device 220.Central processing unit 220 is additionally operable to the sampling time sequence of control A/D converter 240.
12 A/D converters, such as AD7874 converters, AD7878 converters, AD7888 conversion can be used in A/D converter Device etc..
Further, central processing unit 220 is additionally operable to receive the digital feedback signal that A/D converter 240 is sent, by number Feedback signal is sent to the electric signal input end of fiber optical transceiver by level translator 230 after being packaged.
In another embodiment, realize the test of electric device control system communicator 200 further include input terminal with The signal conditioner 250 that RTDS 300 is connected, output terminal and A/D converter 240 connect, signal conditioner 250 are used to receive mould Intend feedback signal, analog feedback signal is converted according to preset standard, and transformed analog feedback signal is sent to A/D converter.
Signal conditioner 250 is connected with the analog output of RTDS 300, receives the analog signal that RTDS 300 is fed back, And relevant treatment can be carried out to the analog signal, such as amplification, filtering process etc..Further, signal conditioner 250 may include Amplifier and/or wave filter.
As shown in figure 3, realize that the communicator 200 of electric device control system test further includes input terminal and central processing Device 220 connects, the impulser 260 of output terminal and the connections of RTDS 300, for central processing unit 220 to be parsed obtained arteries and veins It rushes signal and is sent to RTDS 300.
In another embodiment, as shown in figure 4, realizing the communicator 200 of electric device control system test is included extremely Few two cascade fiber optical transceivers 210 are connected with level translator 230, at least two cascade signal conditioners 250 and A/D Converter 240 connects.At least two cascade fiber optical transceivers 210 also respectively at least two cascade electric device controls to be measured System processed is correspondingly connected with, and at least two cascade signal conditioners 250 are also connected with RTDS 300.
Specifically, fiber optical transceiver includes fiber optic receiver and fiber optic transmitter corresponding with fiber optic receiver, optical fiber Receiver is used to receive the first optical signal of electric device control system output to be measured, and the first optical signal is converted to the first electricity Signal, fiber optic transmitter are used to receive the second electric signal of central processing unit transmission, and the second electric signal is converted to the second light letter Number, and by the second optical signal feedback to electric device control system to be measured.
Further, central processing unit 220 is also connected by level translator 230 with impulser 260.
Further, the 200 stackable use of communicator of electric device control system test is realized, further expanding can The quantity of the electric device control system of connection.
Multiple cascade fiber optical transceivers are set in the communicator 200 tested by realizing electric device control system 210, it can be achieved that with cascade mesohigh electric device control system be connected, while to cascade mesohigh electric device control system into Row test accordingly, sets multiple cascade signal conditioners 250 at the electrical interface end of communicator 200, receives RTDS 300 To the signal fed back after cascade each electric device control system test, so as to using RTDS 300 while to cascade each A electric device control system carries out closed loop test, to find that electric device control system is abnormal and is accordingly controlled in time, Reduce the phenomenon that abnormal conditions damage electronic device.
In another embodiment, a kind of test system for realizing the test of electric device control system is also provided, including to be measured The communicator for realizing the test of electric device control system of electric device control system, any of the above-described embodiment, Yi Jiyu Realize the communicator connection of electric device control system test, for what is tested electric device control system to be measured RTDS equipment.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that the common skill for this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of communicator for realizing the test of electric device control system, which is characterized in that including:
The fiber optical transceiver being connected with electric device control system to be measured;
The central processing unit being connected with the fiber optical transceiver and RTDS;
The fiber optical transceiver, for receiving the first optical signal of the electric device control system output to be measured, and by described in First optical signal is converted to the first electric signal and receives the second electric signal that the central processing unit is sent, by described second Electric signal is converted to the second optical signal, and by second optical signal feedback to the electric device control system to be measured;
The central processing unit obtains pulse signal for receiving and parsing through first electric signal, the pulse signal is sent out It send to RTDS, receives and processes the RTDS and respond the feedback signal that the pulse signal obtains, the second obtained electric signal, and Second electric signal is sent to the fiber optical transceiver.
2. the communicator according to claim 1 for realizing the test of electric device control system, which is characterized in that further include The level translator being connected respectively with the fiber optical transceiver and the central processing unit, for receiving the fiber optical transceiver hair First electric signal is converted to the first electric signal of the first predetermined level standard and is sent to described by the first electric signal sent Central processing unit;The second electric signal that the central processing unit is sent is received, second electric signal is converted to second and is preset Second electric signal of level standard is simultaneously sent to the fiber optical transceiver.
3. the communicator according to claim 1 for realizing the test of electric device control system, which is characterized in that further include The A/D converter being connected with the central processing unit, the A/D converter respond the pulse signal for receiving the RTDS Analog feedback signal, the analog feedback signal is converted into digital feedback signal, and the digital feedback signal is sent To the central processing unit.
4. the communicator according to claim 3 for realizing the test of electric device control system, which is characterized in that further include The signal conditioner that input terminal is connected with the RTDS, output terminal is connected with the A/D converter, the signal conditioner are used for Analog feedback signal is received, the analog feedback signal is converted according to preset standard, and by transformed analog feedback Signal is sent to the A/D converter.
5. the communicator according to claim 4 for realizing the test of electric device control system, which is characterized in that at least two A cascade fiber optical transceiver is connected with the central processing unit;At least two cascade signal conditioners are converted with the A/D Device connects.
6. the communicator according to claim 1 for realizing the test of electric device control system, which is characterized in that the light Fine transceiver includes fiber optic receiver and fiber optic transmitter corresponding with the fiber optic receiver,
The fiber optic receiver, for receiving the first optical signal of the electric device control system output to be measured, and by described in First optical signal is converted to the first electric signal;
For receiving the second electric signal that the central processing unit is sent, second electric signal is turned for the fiber optic transmitter It is changed to the second optical signal, and by second optical signal feedback to the electric device control system to be measured.
7. the communicator according to claim 1 for realizing the test of electric device control system, which is characterized in that the light Fine transceiver is connected by serial ports with the central processing unit.
8. the communicator according to claim 1 for realizing the test of electric device control system, which is characterized in that further include The impulser that input terminal is connected with the central processing unit, output terminal is connected with the RTDS.
9. the communicator according to claim 3 for realizing the test of electric device control system, which is characterized in that the A/ D converters are 12 A/D converters.
10. a kind of test system for realizing the test of electric device control system, which is characterized in that controlled including electric device to be measured The communicator for realizing the test of electric device control system any one of system, claim 1-9 and with the reality The communicator connection of existing electric device control system test, the RTDS for being tested electric device control system to be measured Equipment.
CN201721501060.7U 2017-11-08 2017-11-08 Realize the communicator of electric device control system test and test system Active CN207440608U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088597A (en) * 2018-08-02 2018-12-25 海宁奇瑞特光电有限公司 A kind of photovoltaic module and its manufacturing method of recoverable heat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109088597A (en) * 2018-08-02 2018-12-25 海宁奇瑞特光电有限公司 A kind of photovoltaic module and its manufacturing method of recoverable heat

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Effective date of registration: 20191008

Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No.

Patentee after: Guangzhou Power Supply Bureau

Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No.

Co-patentee before: Xi'an Xidian Electric Research Institute Co Ltd

Patentee before: Guangzhou Power Supply Bureau

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Effective date of registration: 20200929

Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No.

Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd.

Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No.

Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd.

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