CN207541249U - Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter - Google Patents
Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter Download PDFInfo
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- CN207541249U CN207541249U CN201721362076.4U CN201721362076U CN207541249U CN 207541249 U CN207541249 U CN 207541249U CN 201721362076 U CN201721362076 U CN 201721362076U CN 207541249 U CN207541249 U CN 207541249U
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- monitoring module
- optoelectronic monitoring
- arrester
- converter valve
- converter
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Abstract
Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter, including converter valve, arrester, optoelectronic monitoring module, signal receiving circuit, surge voltage generating means；The converter valve is used for the rectification and inversion of current conversion station；The arrester is used to limit the voltage at converter valve both ends；The optoelectronic monitoring module is used to detect whether arrester has voltage to pass through；The signal receiving circuit is used for transmission the signal with receiving optoelectronic monitoring module；The surge voltage generating means is used to generate surge voltage；The converter valve is connected with after arrester parallel connection with optoelectronic monitoring module, signal receiving circuit successively, and the output terminal of surge voltage generating means is connect with the input terminal of optoelectronic monitoring module.Advantage is that stability is good, reliability is high.
Description
Technical field
The utility model is related to straight-flow system equipment electrical test field, converter valve is in parallel in specially a kind of DC converter
Arrester photoelectricity monitoring module calibration equipment.
Background technology
Power equipment preventive trial regulatory requirements all converter valve lightning arrester connected in parallel optoelectronic monitoring moulds to DC converter station
Block is verified, and when being verified using conventional calibration equipment to change of current valve arrester optoelectronic monitoring module, find current conversion station
Internal valve Room arrester photoelectricity monitoring module can not be acted correctly, under same parity output parameter, when and act, when and it is motionless
Make, therefore can not determine if that lightning arrestor movement situation and signal receiving circuit can be accurately reflected when arrester is run
's.
Since structure and the conventional counter of lightning arrester of converter valve lightning arrester connected in parallel optoelectronic monitoring module are there are larger difference,
For the method for calibration of specification the type counter, valve arrester optoelectronic monitoring module working condition is effectively assessed, is needed to the change of current
Valve lightning arrester connected in parallel optoelectronic monitoring module operation principle and method of calibration are furtherd investigate, and develop converter valve lightning arrester connected in parallel light
Electric monitoring module dedicated calibration apparatus, with accurate judgement optoelectronic monitoring module and the operating status of signal receiving circuit.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the above-mentioned prior art, providing, a kind of stability is good, reliability is high
Optoelectronic monitoring module calibration equipment.
The utility model is achieved through the following technical solutions：
Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter, including converter valve, arrester,
Optoelectronic monitoring module, signal receiving circuit, surge voltage generating means；The converter valve for current conversion station rectification with it is inverse
Become；The arrester is used to limit the voltage at converter valve both ends；The optoelectronic monitoring module is used for whether detecting arrester
There is voltage to pass through；The signal receiving circuit is used for transmission the signal with receiving optoelectronic monitoring module；The surge voltage
Generating means is used to generate surge voltage；It is connect successively with optoelectronic monitoring module, signal after the converter valve is in parallel with arrester
Circuit in series is received, the output terminal of surge voltage generating means is connect with the input terminal of optoelectronic monitoring module.
As the improvement of said program, the optoelectronic monitoring module include electrode to, compressed spring, resistance；Described
Electrode connects to rear one end in parallel with a resistor by compressed spring with the arrester, other end ground connection.
As the improvement of said program, the signal receiving circuit includes the optical fiber, the signal receiver that are sequentially connected in series；Institute
The optical signal that the optical fiber stated is generated with the electrode to connecting acquisition electrode centering, the signal receiver are used to believe light
It number is converted into electric signal and forms action message.
As the improvement of said program, the surge voltage generating means includes surge voltage generating loop, voltage is surveyed
Measure device, current measuring device；One end and optoelectronic monitoring after the surge voltage generating loop is in parallel with voltage measuring apparatus
The input terminal connection of module, the other end are grounded after connecting with current measuring device.
As the improvement of said program, the arrester is Zinc-Oxide Arrester.
The utility model compared with prior art, has the following advantages that：Using converter valve lightning arrester connected in parallel optical-electric module as examination
Object is tested, using arrester optical-electric module, surge voltage generating means as hardware condition, passes through the high pressure of surge voltage generating means
Output terminal is connect with the input terminal of converter valve lightning arrester connected in parallel optical-electric module, the surge voltage that surge voltage generating means is generated
The electrode both ends of arrester photoelectricity monitoring module are applied to, interelectrode optical signal is converted to electric signal and is sent to signal by optical fiber
Receiver generates action signal, while the surge voltage generating means current measuring device of itself is to the discharge current in circuit
It measures.The verification of converter valve lightning arrester connected in parallel optoelectronic monitoring module can accurately be carried out and check change of current valve arrester
The state in optoelectronic monitoring module by signal circuit.
Description of the drawings
Fig. 1 is the structure principle chart of the utility model.
Specific embodiment
As shown in Figure 1, converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter, including the change of current
Valve 1, arrester 2, optoelectronic monitoring module 3, signal receiving circuit 4, surge voltage generating means 5；The converter valve 1 is used to change
Flow the rectification and inversion at station；The arrester 2 is used to limit the voltage at 1 both ends of converter valve；The optoelectronic monitoring module 3 is used
Whether there is voltage to pass through in detection arrester 2；The signal receiving circuit 4 is used for transmission with receiving optoelectronic monitoring module 3
Signal；The surge voltage generating means 5 is used to generate surge voltage；After the converter valve 1 is in parallel with arrester 2 successively
It connects with optoelectronic monitoring module 3, signal receiving circuit 4, output terminal and the optoelectronic monitoring module 3 of surge voltage generating means 5
Input terminal connects.The optoelectronic monitoring module 3 includes electrode to 31, compressed spring 32, resistance 33；The electrode to 31 with
One end is connected by compressed spring 32 with the arrester 2 after 33 parallel connection of resistance, other end ground connection.The signal is received back
Road 4 includes the optical fiber 41, the signal receiver 42 that are sequentially connected in series；The optical fiber 41 connect acquisition electrode with the electrode to 31
To the optical signal generated in 31, the signal receiver 42 is for converting optical signal into electric signal and form action message.
The surge voltage generating means 5 in surge voltage generating loop 51, voltage measuring apparatus 52, a kind of DC converter including changing
1 lightning arrester connected in parallel optoelectronic monitoring module calibration equipment of valve is flowed, is connect including converter valve 1, arrester 2, optoelectronic monitoring module 3, signal
Withdraw road 4, surge voltage generating means 5；The converter valve 1 is used for the rectification and inversion of current conversion station；The arrester 2 is used
Voltage in 1 both ends of limitation converter valve；The optoelectronic monitoring module 3 is used to detect whether arrester 2 has voltage to pass through；It is described
Signal receiving circuit 4 be used for transmission signal with receiving optoelectronic monitoring module 3；The surge voltage generating means 5 is used for
Generate surge voltage；It is gone here and there successively with optoelectronic monitoring module 3, signal receiving circuit 4 after the converter valve 1 is in parallel with arrester 2
Connection, the output terminal of surge voltage generating means 5 are connect with the input terminal of optoelectronic monitoring module 3.The optoelectronic monitoring module 3 is wrapped
Electrode is included to 31, compressed spring 32, resistance 33；After the electrode is in parallel with resistance 33 to 31 one end by compressed spring 32 with
The arrester 2 is connected, other end ground connection.The signal receiving circuit 4 includes the optical fiber 41 being sequentially connected in series, signal receives
Device 42；The optical fiber 41 connect acquisition electrode with the electrode to the optical signal that generates in 31 to 31, and the signal connects
Device 42 is received for converting optical signal into electric signal and forming action message.The surge voltage generating means 5 includes impact
Voltage generating loop 51, voltage measuring apparatus 52, current measuring device 53；The surge voltage generating loop 51 is surveyed with voltage
One end is connect with the input terminal of optoelectronic monitoring module 3 after amount 52 parallel connection of device, and the other end is connected with current measuring device 53 and is followed by
Ground.The arrester 2 is Zinc-Oxide Arrester.
Test method is as follows：
When carrying out the verification of converter valve lightning arrester connected in parallel optoelectronic monitoring module, surge voltage generating means 5 will generate impact
Voltage is acted in optoelectronic monitoring module 3, and electrode converts optical signals to electric signal transmission to generating optical signal, optical fiber 41 in 31
To signal receiver 42, action signal, while the discharge current in 53 measuring loop of current measuring device are generated.Signal receiver
Action signal is generated in 42 and shows that arrester photoelectricity monitoring module and signal receiving circuit are normal；Current measuring device 53 is surveyed
The electric current obtained is more than certain value, and signal receiver 42 does not generate action signal, shows converter valve arrester photoelectricity monitoring module
Normally, and signal receiving circuit is abnormal；Signal receiver 42 does not generate action signal；The electric current that current measuring device 53 measures is not
More than certain value, show converter valve arrester photoelectricity monitoring module exception.
Above-listed detailed description is illustrating for the utility model possible embodiments, which is not to limit
The scope of the claims of the utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case
In the scope of the claims.
Claims (5)
1. converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter, which is characterized in that including the change of current
Valve, arrester, optoelectronic monitoring module, signal receiving circuit, surge voltage generating means；The converter valve is for current conversion station
Rectification and inversion；The arrester is used to limit the voltage at converter valve both ends；The optoelectronic monitoring module is kept away for detecting
Whether thunder device has voltage to pass through；The signal receiving circuit is used for transmission the signal with receiving optoelectronic monitoring module；Described
Surge voltage generating means is used to generate surge voltage；After the converter valve is in parallel with arrester successively with optoelectronic monitoring mould
Block, signal receiving circuit series connection, the output terminal of surge voltage generating means are connect with the input terminal of optoelectronic monitoring module.
2. converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter according to claim 1,
It is characterized in that, the optoelectronic monitoring module include electrode to, compressed spring, resistance；The electrode is in parallel with a resistor
One end is connected by compressed spring with the arrester afterwards, other end ground connection.
3. converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter according to claim 2,
It is characterized in that, the signal receiving circuit includes the optical fiber, the signal receiver that are sequentially connected in series；The optical fiber with it is described
The optical signal that electrode generates connection acquisition electrode centering, the signal receiver are used to convert optical signal into electric signal simultaneously
Form action message.
4. converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter according to claim 1,
It is characterized in that, the surge voltage generating means includes surge voltage generating loop, voltage measuring apparatus, current measurement dress
It puts；The surge voltage generating loop is connect with one end after voltage measuring apparatus parallel connection with the input terminal of optoelectronic monitoring module,
The other end is grounded after connecting with current measuring device.
5. converter valve lightning arrester connected in parallel optoelectronic monitoring module in a kind of DC converter according to any one of claims 1 to 4
Calibration equipment, which is characterized in that the arrester is Zinc-Oxide Arrester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362076.4U CN207541249U (en) | 2017-10-19 | 2017-10-19 | Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721362076.4U CN207541249U (en) | 2017-10-19 | 2017-10-19 | Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207541249U true CN207541249U (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721362076.4U Active CN207541249U (en) | 2017-10-19 | 2017-10-19 | Converter valve lightning arrester connected in parallel optoelectronic monitoring module calibration equipment in a kind of DC converter |
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| Country | Link |
|---|---|
| CN (1) | CN207541249U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585257A (en) * | 2020-05-22 | 2020-08-25 | 西安许继电力电子技术有限公司 | Overvoltage stress control method and device for flexible direct current converter valve |
-
2017
- 2017-10-19 CN CN201721362076.4U patent/CN207541249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585257A (en) * | 2020-05-22 | 2020-08-25 | 西安许继电力电子技术有限公司 | Overvoltage stress control method and device for flexible direct current converter valve |
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