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.
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.