CN207301212U - A kind of active power transmitter transient characterisitics detecting system - Google Patents
A kind of active power transmitter transient characterisitics detecting system Download PDFInfo
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- CN207301212U CN207301212U CN201721411109.XU CN201721411109U CN207301212U CN 207301212 U CN207301212 U CN 207301212U CN 201721411109 U CN201721411109 U CN 201721411109U CN 207301212 U CN207301212 U CN 207301212U
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- active power
- power transmitter
- high speed
- transient characterisitics
- detected
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Abstract
The utility model discloses a kind of active power transmitter transient characterisitics detecting system.The RTDS emulators that the utility model uses can be with the various power generations of real simulation,Transmission of electricity,Power transformation and controller switching equipment,And can be to any complete,Larger power system network is analyzed,Therefore live real working condition can be simulated relay protection is carried out to active power transmitter,The analog quantity of RTDS emulators output is connected with active power transmitter to be detected and high speed oscillograph respectively after amplifier,The output terminal of active power transmitter is connected with high speed oscillograph,Form a closed loop test system,Can be by high speed oscillograph to set end voltage,Generator terminal electric current and the active power of active power transmitter output are accurately gathered,And data processing and comparative analysis are carried out by host computer,Solves the current technical problem for lacking detection means and effectively being detected to the transient characterisitics of active power transmitter.
Description
Technical field
It the utility model is related to field of electrical equipment, more particularly to a kind of active power transmitter transient characterisitics detection system
System.
Background technology
Active power transmitter is a kind of DC simulation signal that active power isolation pick-up in power grid is linear
The voltage signal of input and current signal are converted into active power by device, active power transmitter according to built-in functional relation
And unified standard signal (the generally DC quantity of 4-20mA) is exported for secondary device, automatic control system and scheduling system etc.
Use.
Country and professional standard have clear and definite regulation to the steady-state characteristic of active power transmitter at present, but to wattful power
The transient characterisitics and failed call of rate transmitter.So the transient characterisitics that common are work(power transducer on current market are irregular not
Together, the whole nation is also therefore result in recent years there occurs a lot of since active power transmitter transient performance is unsatisfactory for caused by requirement
Steam turbine protection malfunction and generating set trip accident.
Therefore, it result in the current skill for lacking detection means and effectively being detected to the transient characterisitics of active power transmitter
Art problem.
Utility model content
The utility model discloses a kind of active power transmitter transient characterisitics detecting system, solves current shortage detection
The technical problem that means effectively detect the transient characterisitics of active power transmitter.
The utility model provides a kind of active power transmitter transient characterisitics detecting system, including：RTDS emulators, work(
Rate amplifier, active power transmitter to be detected, high speed oscillograph and host computer；
The GATO analog outputs end of the RTDS emulators is electrically connected with the input terminal of the power amplifier；
First output terminal of the power amplifier is electrically connected with the input terminal of the active power transmitter to be detected；
Second output terminal of the power amplifier is electrically connected with the first input end of the high speed oscillograph；
The output terminal of the active power transmitter to be detected is electrically connected with the second input terminal of the high speed oscillograph；
The output terminal of the high speed oscillograph is communicated to connect with the input terminal of the host computer.
Preferably, further include：Interface screen；
The GATO analog outputs end of the RTDS emulators is electrically connected with the analog input end of the interface screen；
The analog output end of the interface screen is electrically connected with the input terminal of the power amplifier.
Preferably, the host computer is industrial personal computer.
Preferably, further include：Touch-screen；
The output terminal of the industrial personal computer and the input terminal of the touch-screen communicate to connect.
Preferably, the host computer is PC machine.
As can be seen from the above technical solutions, the utility model has the following advantages：
The utility model provides a kind of active power transmitter transient characterisitics detecting system, including：RTDS emulators, work(
Rate amplifier, active power transmitter to be detected, high speed oscillograph and host computer；The GATO analog quantitys of the RTDS emulators are defeated
Outlet is electrically connected with the input terminal of the power amplifier；First output terminal of the power amplifier with it is described to be detected active
The input terminal of power transducer is electrically connected；First input of the second output terminal of the power amplifier and the high speed oscillograph
End is electrically connected；The output terminal of the active power transmitter to be detected is electrically connected with the second input terminal of the high speed oscillograph；
The output terminal of the high speed oscillograph is communicated to connect with the input terminal of the host computer.
The RTDS emulators that the utility model uses are a set of are specifically used to the progress of electromagnetic transient in power system process entirely
The simulator of digital simulation, can be with the various power generations of real simulation, transmission of electricity, power transformation and controller switching equipment, and can be to any complete
Whole, larger power system network is analyzed, therefore can simulate live real working condition to active power transmitter
Carry out transient characterisitics experiment, RTDS emulators output analog quantity after amplifier respectively with active power transmitter to be detected
Connected with high speed oscillograph, the output terminal of active power transmitter is connected with high speed oscillograph, forms a closed test system
System, it is accurate to be carried out by the active power that high speed oscillograph exports set end voltage, generator terminal electric current and active power transmitter
Collection, and data processing and comparative analysis are carried out by host computer, solve the current detection means that lacks to active power pick-up
The technical problem that the transient characterisitics of device are effectively detected.
Brief description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
Put, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is one of a kind of active power transmitter transient characterisitics detecting system provided in the utility model embodiment
The connection relationship diagram of embodiment；
Fig. 2 be the utility model embodiment in provide a kind of active power transmitter transient characterisitics detecting system it is another
The connection relationship diagram of a embodiment；
Wherein, reference numeral is as follows：
1st, RTDS emulators；2nd, power amplifier；3rd, high speed oscillograph；4th, active power transmitter to be detected；5th, it is upper
Machine；6th, touch-screen；7th, interface screen.
Embodiment
The utility model embodiment discloses a kind of active power transmitter transient characterisitics detecting system, solves current lack
The technical problem that weary detection means effectively detects the transient characterisitics of active power transmitter.
Referring to Fig. 1, a kind of active power transmitter transient characterisitics detecting system is provided in the utility model embodiment
One embodiment, including：
RTDS emulators 1, power amplifier 2, active power transmitter 4 to be detected, high speed oscillograph 3 and host computer 5；
The GATO analog outputs end of RTDS emulators 1 is electrically connected with the input terminal of power amplifier 2；
First output terminal of power amplifier 2 is electrically connected with the input terminal of active power transmitter 4 to be detected；
Second output terminal of power amplifier 2 is electrically connected with the first input end of high speed oscillograph 3；
The output terminal of active power transmitter 4 to be detected is electrically connected with the second input terminal of high speed oscillograph 3；
The output terminal of high speed oscillograph 3 is communicated to connect with the input terminal of host computer 5.
Further, host computer 5 is PC machine.
It should be noted that the RTDS emulators 1 used in the present embodiment are a set of are specifically used to electric system electromagnetism
Transient process carries out the simulator of digital simulation, can with the various power generations of real simulation, transmission of electricity, power transformation and controller switching equipment, and
And any complete, larger power system network can be analyzed, therefore live real working condition pair can be simulated
Active power transmitter carries out relay protection, and the analog quantity that RTDS emulators 1 export has with to be detected respectively after amplifier
Work(power transducer 4 and high speed oscillograph 3 connect, and the output terminal of active power transmitter is connected with high speed oscillograph 3, is formd
One closed loop test system, can be by high speed oscillograph 3 to set end voltage, generator terminal electric current and active power transmitter 4 to be detected
The active power of output is accurately gathered, and carries out data processing and comparative analysis by host computer 5, solves current shortage
The technical problem that detection means effectively detects the transient characterisitics of active power transmitter.
It is the one of a kind of active power transmitter transient characterisitics detecting system provided in the utility model embodiment above
A embodiment, is below a kind of the another of active power transmitter transient characterisitics detecting system for being provided in the utility model embodiment
One embodiment.
Referring to Fig. 2, a kind of active power transmitter transient characterisitics detecting system is provided in the utility model embodiment
Another embodiment
RTDS emulators 1, power amplifier 2, active power transmitter 4 to be detected, high speed oscillograph 3 and host computer 5；
The GATO analog outputs end of RTDS emulators 1 is electrically connected with the input terminal of power amplifier 2；
First output terminal of power amplifier 2 is electrically connected with the input terminal of active power transmitter 4 to be detected；
Second output terminal of power amplifier 2 is electrically connected with the first input end of high speed oscillograph 3；
The output terminal of active power transmitter 4 to be detected is electrically connected with the second input terminal of high speed oscillograph 3；
The output terminal of high speed oscillograph 3 is communicated to connect with the input terminal of host computer 5.
It should be noted that the analog signals that RTDS emulators 1 directly export are smaller, it is difficult to active power transmitter
Relay protection is carried out, so needing to carry out the amplification of voltage signal and current signal by power amplifier 2；
3 sample rate of high speed oscillograph is arranged to 25kHz, and time window is 5 seconds, can be effectively to set end voltage, generator terminal electricity
Stream and the active power of active power transmitter output are accurately gathered；
Host computer 5 can carry out data processing and analysis by the signal that mathematical analysis software gathers high speed oscillograph 3
Judge.
Further, further include：Interface screen 7；
The GATO analog outputs end of RTDS emulators 1 is electrically connected with the analog input end of interface screen 7；
The analog output end of interface screen 7 is electrically connected with the input terminal of power amplifier 2.
It should be noted that the analog input end of interface screen 7 is provided with RTDS-GTAO boards, with RTDS real-time digitals
The GTAO analog outputs end of emulator is electrically connected；
The analog output end of interface screen 7 is provided with terminal block, and RTDS-GTAO boards and the terminal block of interface screen 7 are electrically connected
Connect, the terminal block of interface screen 7 is electrically connected with the input terminal of power amplifier 2；
It is on the one hand to staff using interface screen 7 and facilitates wiring, on the other hand can also protects RTDS emulators 1
With the RTDS-GTAO boards of interface screen 7, avoid directly damaging RTDS emulators 1 when 2 failure of power amplifier.
Further, host computer 5 is industrial personal computer.
It should be noted that host computer 5 can be PC machine, industrial personal computer or work station etc., as long as can be to data number
According to the instrument of processing and data analysis.
Further, further include：Touch-screen 6；
The output terminal of industrial personal computer is communicated to connect with the input terminal of touch-screen 6.
It should be noted that when host computer 5 is industrial personal computer, additional touch screen 6 can more conveniently to industrial personal computer into
Row control or the data of display industrial personal computer reception directly perceived and processing, can improve user experience by human-computer interaction.
It is modeled in the present embodiment by RTDS, can when the transient characterisitics to active power transmitter are tested
Infinite bus system is sent to through 2 times 500kV outlets to build 2 600MW units, and the simulation model of trouble point at 5 is set, and
The different types of all kinds of failures of different faults point are simulated, different fault initial angles and trouble duration are set, it is each to analyze
Active power transmitter transient characterisitics respond under the conditions of class transient fault；
The voltage signal of RTDS outputs and current signal are then amplified by power amplifier 2, as active power pick-up
The input quantity of device；
Active power transmitter 4 to be detected is used as equipment under test, and voltage input in parallel, magnitude of current series connection input can be same
When connect unlimited type, multiple transmitters of different production man, its 4~20mA magnitude of current exported is converted to electricity by parallel resistance
Pressure amount, so that high speed oscillograph 3 gathers；
Set end voltage, the generator terminal electric current that high speed oscillograph 3 is used to gather the output of power amplifier 2 (are used for calculating benchmark work(
Rate) and active power transmitter 4 to be detected output (by setting passage no-load voltage ratio, being scaled secondary power value)；
Host computer 5 is first handled the original recorder data of high speed oscillograph 3, is exported as Excel data lattice
Formula, creates a row reference power data, it is added again after being multiplied respectively with generator terminal electric current by three-phase set end voltage, by this column data
A new data file is formed with 4 real output of active power transmitter to be detected；
Then file is imported into mathematical analysis software (such as：MATLAB softwares) in analyzed, when use MATLAB softwares
When being analyzed, with its Figure function, the data in the same period are taken, will be each to be detected on the basis of reference power
4 real output data of active power transmitter in contrast, and draw comparative analysis oscillogram.
The analog quantity that the utility model is exported by RTDS emulators 1 after amplifier respectively with active power to be detected
Transmitter 4 and high speed oscillograph 3 connect, and the output terminal of active power transmitter 4 to be detected is connected with high speed oscillograph 3, are formed
One closed loop test system, can by high speed oscillograph 3 to set end voltage, generator terminal electric current and active power transmitter to be detected
The active power of 4 outputs is accurately gathered, and carries out data processing and comparative analysis by host computer 5, solves current lack
The technical problem that weary detection means effectively detects the transient characterisitics of active power transmitter.
A kind of active power transmitter transient characterisitics detecting system provided by the utility model has been carried out in detail above
Introduce, for those of ordinary skill in the art, based on the idea of the embodiment of the present invention, in embodiment and application
There will be changes in scope, to sum up, this specification content should not be construed as the limitation to the utility model.
Claims (5)
- A kind of 1. active power transmitter transient characterisitics detecting system, it is characterised in that including：RTDS emulators, power amplification Device, active power transmitter to be detected, high speed oscillograph and host computer；The GATO analog outputs end of the RTDS emulators is electrically connected with the input terminal of the power amplifier；First output terminal of the power amplifier is electrically connected with the input terminal of the active power transmitter to be detected；Second output terminal of the power amplifier is electrically connected with the first input end of the high speed oscillograph；The output terminal of the active power transmitter to be detected is electrically connected with the second input terminal of the high speed oscillograph；The output terminal of the high speed oscillograph is communicated to connect with the input terminal of the host computer.
- 2. a kind of active power transmitter transient characterisitics detecting system according to claim 1, it is characterised in that also wrap Include：Interface screen；The GATO analog outputs end of the RTDS emulators is electrically connected with the analog input end of the interface screen；The analog output end of the interface screen is electrically connected with the input terminal of the power amplifier.
- 3. a kind of active power transmitter transient characterisitics detecting system according to claim 1, it is characterised in that on described Position machine is industrial personal computer.
- 4. a kind of active power transmitter transient characterisitics detecting system according to claim 3, it is characterised in that also wrap Include：Touch-screen；The output terminal of the industrial personal computer and the input terminal of the touch-screen communicate to connect.
- 5. a kind of active power transmitter transient characterisitics detecting system according to claim 1, it is characterised in that on described Position machine is PC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721411109.XU CN207301212U (en) | 2017-10-26 | 2017-10-26 | A kind of active power transmitter transient characterisitics detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721411109.XU CN207301212U (en) | 2017-10-26 | 2017-10-26 | A kind of active power transmitter transient characterisitics detecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207301212U true CN207301212U (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721411109.XU Active CN207301212U (en) | 2017-10-26 | 2017-10-26 | A kind of active power transmitter transient characterisitics detecting system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957172A (en) * | 2018-06-07 | 2018-12-07 | 国电南瑞科技股份有限公司 | Transmitter test macro and method based on real-time digital-to-analogue analogue system |
| CN114236459A (en) * | 2021-11-22 | 2022-03-25 | 四川华能宝兴河水电有限责任公司 | Electric quantity transmitter transient characteristic verification system and method |
-
2017
- 2017-10-26 CN CN201721411109.XU patent/CN207301212U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108957172A (en) * | 2018-06-07 | 2018-12-07 | 国电南瑞科技股份有限公司 | Transmitter test macro and method based on real-time digital-to-analogue analogue system |
| CN114236459A (en) * | 2021-11-22 | 2022-03-25 | 四川华能宝兴河水电有限责任公司 | Electric quantity transmitter transient characteristic verification system and method |
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