CN203551962U - Photoelectric conversion device based on RTDS dynamic simulation test system - Google Patents
Photoelectric conversion device based on RTDS dynamic simulation test system Download PDFInfo
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- CN203551962U CN203551962U CN201320700347.8U CN201320700347U CN203551962U CN 203551962 U CN203551962 U CN 203551962U CN 201320700347 U CN201320700347 U CN 201320700347U CN 203551962 U CN203551962 U CN 203551962U
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 76
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000005094 computer simulation Methods 0.000 title abstract description 9
- 238000004088 simulation Methods 0.000 claims abstract description 41
- 239000000835 fiber Substances 0.000 claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 19
- 239000013307 optical fiber Substances 0.000 claims description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 3
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- 230000003247 decreasing effect Effects 0.000 abstract 1
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Abstract
The utility model is a photoelectric conversion device based on an RTDS dynamic simulation test system. The photoelectric conversion device comprises a plurality of expandable photoelectric conversion panels and a switching power supply supplying power to the photoelectric conversion panels in a parallel mode. Each photoelectric conversion panel comprises a fiber interface module, an FPGA processing chip, a digital signal port and a simulation signal port which are connected in sequence, wherein the fiber interface module is used for receiving and transmitting optical signals of a module to be tested, the FPGA processing chip is used for carrying out photoelectric conversion, and the digital signal port and a simulation signal port are used for carrying out data communication with the RTDS dynamic simulation test system. By means of the FPGA processing chips serving as programmable devices, the mutual conversion between optical signals and electrical signals is achieved. The photoelectric conversion device is simple and compact in structure, and easy to achieve. The switching power supply is adopted to carry out centralized power supply, and provides electric energy to the photoelectric conversion panels in a parallel mode, and thus the number of the photoelectric conversion panels can be decreased or increased according to needs. The photoelectric conversion device is strong in expandability and convenient in installation and maintenance. By switch connection between the module to be tested and the RTDS dynamic simulation test system, a strict examination of the test is achieved.
Description
Technical field
The utility model belongs to power system dynamic mould simulation test device field, is specially a kind of photoelectric conversion device based on RTDS simulation test system.
Background technology
Distribution Static Compensator (D-STATCOM) is a kind of important custom power (Custom Power) device, in power distribution network, can effectively solve the power quality problems such as voltage fluctuation and flicker, imbalance of three-phase voltage, harmonic pollution in electric power net.For national standard, take reasonable Efficient Evaluation measure to test D-STATCOM, the industrialization of the reliability to raising D-STATCOM device, the orderly development of guiding D-STATCOM industry, standard China D-STATCOM is significant.For specific reactive-load compensation engineering, can D-STATCOM effectively solve the power quality problem that load brings, one of key is that whether the function of its control system realization is desirable, before Installation and Debugging, need it to carry out strict system testing at the scene, with closed loop real-time simulation means, whether the control performance of checking power electronic equipment controller meets design requirement, and can carry out real time execution examination to controller hardware.Therefore, to the test of opertaing device, be the important step in whole engineering construction, utilizing real-time emulation system to carry out real-time simulation is one of committed step indispensable in test process.
RTDS(Real Time Digital Simulators, Real Time Digital Simulator) dynamic simulation test interface system, with closed loop real-time simulation means, whether the control performance of checking power electronic equipment controller meets design requirement, and can carry out real time execution examination to controller hardware.The key property of RTDS is exactly that it can maintain the continuous operation under real-time simulation condition, can solve fast enough power system equations and produce continuously output, and output can represent the state of real network truly.Because of its excellent real-time simulation performance, RTDS has been widely used in the closed loop test of the control system of closed loop test, HVDC and the FACTS device of Power System Analysis research, relay protection device.
In prior art, the mesohigh of many level cascade structure, large capacity reactive compensation device, and adopt other relevant power electronic equipments (as APF, DVR etc.) of many level cascade structure, particularly mesohigh, large capacity D-STATCOM, the optical fiber communication modes that adopt more, be that master control cabinet and cascade module adopt optical fiber to communicate, optical fiber communication mode have capacity large, decay little, volume is little, strong interference immunity, saving non-ferrous metal, dilatation feature easily, especially its anti-interference can reduce the malfuncton probability of device under mesohigh strong electromagnetic environment.And the input and output board of current Real Time Digital Simulator adopts level signal interface more, when utilizing RTDS dynamic simulation test platform examination D-STATCOM performance, must carry out the conversion of photosignal.Existing photoelectric conversion interface cannot meet the user demand of setting up the closed loop test docking port of D-STATCOM based on real-timedigital simulation closed loop test platform, and serious forgiveness is low, and extendability is poor, causes the error of test result larger.
Utility model content
The purpose of this utility model is to provide a kind of photoelectric conversion device based on RTDS simulation test system, it can meet the demand of many level cascade structure power electronic equipment of the employing optical fiber communication modes such as D-STATCOM being carried out to dynamic simulation test, can meet the demand that device is carried out to closed loop test, compact conformation, extendability is strong.
The utility model is to be achieved through the following technical solutions:
Based on the photoelectric conversion device of RTDS simulation test system, comprise the some photoelectric conversion plates that can expand, and for by parallel way being the Switching Power Supply of photoelectric conversion plate power supply; Described photoelectric conversion plate comprise successively connect for receiving and dispatching the fiber interface module of tested module light signal, for carrying out the FPGA process chip of opto-electronic conversion, and digital signal port and simulating signal port for carrying out data communication with RTDS simulation test system.
Preferably, optical fiber transceiving chip is set in fiber interface module.Further, the output terminal of fiber interface module is connected with the input end of FPGA process chip by the first bidirectional level conversion circuit.Fiber interface module is also for receiving control information and feedback operational factor and the status information of FPGA process chip.
Preferably, the input end of digital signal port is connected with the output terminal of FPGA process chip by the second bidirectional level conversion circuit, and simulating signal port output terminal is connected with the input end of FPGA process chip by the second bidirectional level conversion circuit.
Further, simulating signal port output terminal is connected with the second bidirectional level conversion circuit by analog signal conditioner circuit.Simulating signal port receives for the GTAO board from RTDS simulation test system the system operational parameters that moving die system produces.
Further, digital signal port sends driving enable signal and the pwm pulse signal of tested module for the GTDI board to RTDS simulation test system.
Preferably, photoelectric conversion plate comprises the fiber optic interface unit, 9 tunnel simulating signal ports and the 32 railway digital ports that are provided with 9 pairs of optical fiber interfaces; Every pair of optical fiber interface comprises 1 road receiving interface and 1 road transmission interface.
Preferably, the utility model also comprises the casing for Switching Power Supply and some photoelectric conversion plates are installed.
Compared with prior art, the utlity model has following useful technique effect:
The utility model is by realizing the mutual conversion to photosignal as the FPGA process chip of programming device, simple and compact for structure, realizes easily; By Switching Power Supply, carry out centrally connected power supply, by parallel way, to photoelectric conversion plate, provide respectively electric energy, thereby can reduce as required or expand the quantity of photoelectric conversion plate, extensibility is strong, convenient for installation and maintenance; By tested module is connected with the conversion of RTDS simulation test system, realization is made strict assessment to tested device control system, with closed loop real-time simulation means, whether the control performance of checking tested device controller meets design requirement, and can carry out real time execution examination to controller hardware.
Further, by optical fiber transceiving chip, realize reception and the transmission to light signal, utilize the first bidirectional level conversion circuit and the second bidirectional level conversion circuit, realize the logical consistency of FPGA process chip input/output signal and tested module and simulation test system input/output signal, simplify device complicacy, improved conversion reliability and stability.
Further, by photoelectric conversion plate relatively independent and that can expand, realize and the optical fiber communication of tested module, utilize the independently input and output control respectively of digital signal port and simulating signal port, realize the electric signal transmission with RTDS simulation test system, thereby take photoelectric conversion plate as medium, set up relatively independent service aisle, can realize rapidly Maintenance and Repair and replacement, there is high serious forgiveness.
Further, by the casing arranging, realize the mounting arrangements to photoelectric conversion plate and Switching Power Supply, improved globality of the present utility model, security and operability,
Accompanying drawing explanation
Fig. 1 is the structural principle block diagram of the photoelectric conversion plate described in the utility model example.
Fig. 2 is that the structural principle described in the utility model example connects block diagram.
Fig. 3 is the dynamic simulation test theory diagram described in the utility model example.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
The photoelectric conversion device of the utility model based on RTDS simulation test system, as shown in Figure 2, it comprises the some photoelectric conversion plates that can expand, and for by parallel way being the Switching Power Supply of photoelectric conversion plate power supply; As shown in Figure 1, photoelectric conversion plate comprise successively connect for receiving and dispatching the fiber interface module of tested module light signal, for carrying out the FPGA process chip of opto-electronic conversion, and digital signal port and simulating signal port for carrying out data communication with RTDS simulation test system.
Preferably, optical fiber transceiving chip is set in fiber interface module; As shown in Figure 1, in this preferred embodiment, the output terminal of fiber interface module is connected with the input end of FPGA process chip by the first bidirectional level conversion circuit.Fiber interface module is also for receiving control information and feedback operational factor and the status information of FPGA process chip.
In this preferred embodiment, as shown in Figure 1, the input end of digital signal port is connected with the output terminal of FPGA process chip by the second bidirectional level conversion circuit, and simulating signal port output terminal is connected with the input end of FPGA process chip by the second bidirectional level conversion circuit.Simulating signal port output terminal is connected with the second bidirectional level conversion circuit by analog signal conditioner circuit.
Preferably, simulating signal port receives for the GTAO board from RTDS simulation test system the system operational parameters that moving die system produces.Digital signal port sends driving enable signal and the pwm pulse signal of tested module for the GTDI board to RTDS simulation test system.
Preferably, photoelectric conversion plate comprises the fiber optic interface unit, 9 tunnel simulating signal ports and the 32 railway digital ports that are provided with 9 pairs of optical fiber interfaces; Every pair of optical fiber interface comprises 1 road receiving interface and 1 road transmission interface.In this preferred embodiment, as shown in Figure 2, photoelectric conversion device also comprises the casing for Switching Power Supply and some photoelectric conversion plates are installed.
Concrete, by the photoelectric conversion device described in this preferred embodiment, being applied in the middle of the test of D-STATCOM experimental prototype, its structure connects block diagram as shown in Figure 2, and its dynamic simulation test theory diagram is as shown in Figure 3.In Fig. 3, RTDS simulation test system model is line chart, C wherein
xin X represent any phase in A, B, C three-phase.The system voltage of RTDS simulation test system and electric current operational factor are sent into D-STATCOM controller, and system voltage is three-phase bus voltage, and electric current operational factor comprises D-STATCOM three-phase branch current and threephase load electric current.The DC voltage of cascade module D-STATCOM is converted to light signal by photoelectric conversion device and sends into D-STATCOM controller, and the three-phase PWM trigger action that D-STATCOM controller produces and enable signal are converted to electric signal by photoelectric conversion device and send into RTDS simulation test system.As shown in Figure 2, photoelectric conversion device is realized the closed loop test of RTDS simulation test system to tested D-STATCOM experimental prototype by the photoelectric conversion plate of relatively independent setting in casing, and serious forgiveness is high, favorable expandability, and the error of test result is little.
Claims (10)
1. the photoelectric conversion device based on RTDS simulation test system, is characterized in that, comprises the some photoelectric conversion plates that can expand, and for by parallel way being the Switching Power Supply of photoelectric conversion plate power supply; Described photoelectric conversion plate comprise successively connect for receiving and dispatching the fiber interface module of tested module light signal, for carrying out the FPGA process chip of opto-electronic conversion, and digital signal port and simulating signal port for carrying out data communication with RTDS simulation test system.
2. the photoelectric conversion device based on RTDS simulation test system according to claim 1, is characterized in that, optical fiber transceiving chip is set in described fiber interface module.
3. the photoelectric conversion device based on RTDS simulation test system according to claim 1 and 2, is characterized in that, the output terminal of fiber interface module is connected with the input end of FPGA process chip by the first bidirectional level conversion circuit.
4. the photoelectric conversion device based on RTDS simulation test system according to claim 1 and 2, is characterized in that, described fiber interface module is also for receiving control information and feedback operational factor and the status information of FPGA process chip.
5. the photoelectric conversion device based on RTDS simulation test system according to claim 1, it is characterized in that, the input end of digital signal port is connected with the output terminal of FPGA process chip by the second bidirectional level conversion circuit, and simulating signal port output terminal is connected with the input end of FPGA process chip by the second bidirectional level conversion circuit.
6. the photoelectric conversion device based on RTDS simulation test system according to claim 5, is characterized in that, simulating signal port output terminal is connected with the second bidirectional level conversion circuit by analog signal conditioner circuit.
7. according to the photoelectric conversion device based on RTDS simulation test system described in claim 1 or 5 or 6, it is characterized in that, described simulating signal port receives for the GTAO board from RTDS simulation test system the system operational parameters that moving die system produces.
8. according to the photoelectric conversion device based on RTDS simulation test system described in claim 1 or 5 or 6, it is characterized in that, described digital signal port sends driving enable signal and the pwm pulse signal of tested module for the GTDI board to RTDS simulation test system.
9. the photoelectric conversion device based on RTDS simulation test system according to claim 1, is characterized in that, described photoelectric conversion plate comprises the fiber optic interface unit, 9 tunnel simulating signal ports and the 32 railway digital ports that are provided with 9 pairs of optical fiber interfaces; Every pair of optical fiber interface comprises 1 road receiving interface and 1 road transmission interface.
10. the photoelectric conversion device based on RTDS simulation test system according to claim 1, is characterized in that, also comprises the casing for Switching Power Supply and some photoelectric conversion plates are installed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320700347.8U CN203551962U (en) | 2013-11-06 | 2013-11-06 | Photoelectric conversion device based on RTDS dynamic simulation test system |
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| CN201320700347.8U CN203551962U (en) | 2013-11-06 | 2013-11-06 | Photoelectric conversion device based on RTDS dynamic simulation test system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037779A (en) * | 2014-05-16 | 2014-09-10 | 南方电网科学研究院有限责任公司 | Compatible platform system of multiple sets of static synchronous compensators and switching arbitration method thereof |
| CN104375422A (en) * | 2014-11-25 | 2015-02-25 | 上海科梁信息工程有限公司 | Emulation system based on STATCOM controller |
| CN107861497A (en) * | 2017-11-08 | 2018-03-30 | 广州供电局有限公司 | Realize the communicator and method of electric device control system test |
-
2013
- 2013-11-06 CN CN201320700347.8U patent/CN203551962U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037779A (en) * | 2014-05-16 | 2014-09-10 | 南方电网科学研究院有限责任公司 | Compatible platform system of multiple sets of static synchronous compensators and switching arbitration method thereof |
| CN104037779B (en) * | 2014-05-16 | 2016-06-29 | 南方电网科学研究院有限责任公司 | Compatible platform system of multiple sets of static synchronous compensators and switching arbitration method thereof |
| CN104375422A (en) * | 2014-11-25 | 2015-02-25 | 上海科梁信息工程有限公司 | Emulation system based on STATCOM controller |
| CN107861497A (en) * | 2017-11-08 | 2018-03-30 | 广州供电局有限公司 | Realize the communicator and method of electric device control system test |
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