CN206892216U - A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor - Google Patents
A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor Download PDFInfo
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- CN206892216U CN206892216U CN201720559148.8U CN201720559148U CN206892216U CN 206892216 U CN206892216 U CN 206892216U CN 201720559148 U CN201720559148 U CN 201720559148U CN 206892216 U CN206892216 U CN 206892216U
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Abstract
A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor, including power module, equalizing capacitance module, impacting with high pressure power module, controlling machine box, voltage measurement module；The voltage at both ends when described power module is used to simulate RPU plate normal operations；Described equalizing capacitance module is used to simulate RPU operating electrical environment；Described impacting with high pressure power module is used to produce abrupt slope surge voltage；Described controlling machine box are used for start pulse signal, the recording pulse signal waveform for producing RPU plate function enabling pulses signal, detection RPU plates are sent.Advantage is the independent test that can depart from the realization of RPU plates working environment to RPU plates, improves detection efficiency, reduces the requirement to detecting environment；It can realize the detection to different DC engineering RPU plates by switching different parameters equalizing capacitor, detect more flexible.
Description
Technical field
Detection device technical field is the utility model is related to, specially a kind of HVDC based on light triggered thyristor changes
Flow valve trigger circuit RPU board checking devices.
Background technology
Key components of the light-operated converter valve RPU plates of direct current transportation as light-operated converter valve controlling unit, its stability,
Accuracy affects the reliability service of converter valve work.High voltage direct current converter valve trigger circuit RPU based on light triggered thyristor
Plate is responsible for the Reverse recovery protection of converter valve, is the indispensable component of light-operated converter valve normal operation, to the steady of current conversion station
Surely run most important.
The converter valve trigger circuit RPU plates detection device used in domestic and international DC engineering operation maintenance can not depart from RPU
Plate runs electrical connection environment and tested, and single test is only capable of carrying out one block of RPU plate test, and test content is less, surveys
Test result is simple, also exists require higher to test environment in addition, be only capable of judging that whether normal RPU board allomeric functions are, nothing
Method specifically navigates to the problem of dysfunction point, and RPU harden structures are as shown in Figure 1.
Utility model content
The purpose of this utility model is the shortcomings that overcoming above-mentioned prior art, there is provided one kind can depart from RPU plate working environments
Realize the inspection of the high voltage direct current converter valve trigger circuit RPU plates based on light triggered thyristor individually tested different RPU plates
Survey device.
The utility model is achieved through the following technical solutions：
A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor, described RPU plates
It is upper to include electrical port X1, X2 and optical fiber interface U1, U2, U3, U4；Described RPU board checking devices include power module, pressed
Capacitance module, impacting with high pressure power module, controlling machine box, voltage measurement module；Described power module is used to simulate RPU plates just
The voltage at both ends when often running；Described equalizing capacitance module is used to simulate RPU operating electrical environment；Described impacting with high pressure electricity
Source module is used to produce abrupt slope surge voltage；Described controlling machine box are used to produce RPU plate function enabling pulses signal, detection
Start pulse signal, the recording pulse signal waveform of RPU plates transmission；Described equalizing capacitance module one end and power module are just
Pole is connected, and the other end is connected with the X1 ports of described RPU plates, and the X2 ports of described RPU plates and the negative pole of power module connect
Connect, described impacting with high pressure power module and the positive pole of power module are in parallel with negative pole；Optical fiber interface on described RPU plates
U1, U2 are connected with the end of laser detection 1, the end of laser detection 2 being arranged in controlling machine box respectively, the optical fiber on described RPU plates
Interface U3, U4 are connected with the end of enable signal 1, the end of enable signal 2 being arranged in controlling machine box respectively, described controlling machine box
Power connection end is connected in parallel between the positive pole of power module and negative pole after being connected with voltage measurement module.
As the improvement of such scheme, described power module is provided with access switch K1.
As the improvement of such scheme, described impacting with high pressure power module is provided with access switch K2.
As the improvement of such scheme, described equalizing capacitance module by multiple equalizing capacitance C1, C2, C3 ... Cn is in parallel
It is composed in series afterwards with switching switch Kq, described multiple equalizing capacitances are connected by switching switch Kq and described RPU plates X1 ends
Connect.
As the improvement of such scheme, the voltage tool at both ends when described power module is used to simulate RPU plate normal operations
Body is more than 1000V high pressures for 220V electric mains are boosted by transformer.
The utility model has the advantages that：The utility model proposes RPU board checking devices can depart from RPU plates
Working environment realizes the independent test to RPU plates, improves detection efficiency, reduces the requirement to detecting environment；Can be by cutting
Different parameters equalizing capacitor is changed, realizes the detection to different DC engineering RPU plates, is detected more flexible；RPU plates reality can be simulated
Border operating condition, realize and RPU plate Reverse recoveries defencive function detected, detection content is more comprehensive；Possesses detection signal recording
Function, testing result can be checked, it is ensured that accurately and reliably, detection reliability is higher for testing result.
Brief description of the drawings
Fig. 1 is the structural representation of existing RPU plates.
Fig. 2 is the structural representation of RPU board checking devices of the present utility model.
Embodiment
Embodiment
A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor, as shown in figure 1,
Include electrical port X1, X2 and optical fiber interface U1, U2, U3, U4 on described RPU plates；As shown in Fig. 2 described RPU plates detection
Device includes power module, equalizing capacitance module, impacting with high pressure power module, controlling machine box, voltage measurement module；Described electricity
The voltage at both ends when source module is used to simulate RPU plate normal operations, it is by the boosting of 220V electric mains specifically by transformer
More than 1000V high pressures, described power module are provided with access switch K1.Described equalizing capacitance module is used to simulate RPU works
Make electric circumstance, described equalizing capacitance module by multiple equalizing capacitance C1, C2, C3 ... gone here and there after Cn parallel connections with switching switch Kq
Connection composition, the positive pole of described multiple equalizing capacitance one end and power module connect, the other end by switch switch Kq with it is described
RPU plates X1 ends connection.Described impacting with high pressure power module is used to produce abrupt slope surge voltage, described impacting with high pressure electricity
Source module is provided with access switch K2.Described controlling machine box are used to produce RPU plate function enabling pulses signal, detection RPU plates
Start pulse signal, the recording pulse signal waveform of transmission；The X2 ports of described RPU plates and the negative pole of power module connect,
Described impacting with high pressure power module and the positive pole of power module is in parallel with negative pole；Optical fiber interface U1, U2 on described RPU plates
It is connected respectively with the end of laser detection 1, the end of laser detection 2 being arranged in controlling machine box, the optical fiber interface on described RPU plates
U3, U4 are connected with the end of enable signal 1, the end of enable signal 2 being arranged in controlling machine box respectively, and described controlling machine box connect electricity
End is connected in parallel between the positive pole of power module and negative pole after being connected with voltage measurement module.
Operation principle
When RPU plates bear negative pressure, apply what is designed more than RPU plates at RPU plates both ends by impacting with high pressure power module
Reverse recovery protection act voltage increase rate (generally 100V/us), while the end of controlling machine box enable signal 1, enable signal 2
End simultaneously to RPU plates send protection enable signal, if RPU plates design Reverse recovery protection act voltage increase rate or with
On, the end of controlling machine box laser detection 1 and the end of laser detection 2 are detected simultaneously by light pulse signal, then this function is normal, otherwise to be different
Often.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment simultaneously is not used to limit
The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model, it is intended to be limited solely by this case
In the scope of the claims.
Claims (5)
1. a kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor, on described RPU plates
Including electrical port X1, X2 and optical fiber interface U1, U2, U3, U4；Characterized in that, described RPU board checking devices include power supply
Module, equalizing capacitance module, impacting with high pressure power module, controlling machine box, voltage measurement module；Described power module is used for mould
Intend the voltage at both ends during RPU plate normal operations；Described equalizing capacitance module is used to simulate RPU operating electrical environment；Described
Impacting with high pressure power module is used to produce abrupt slope surge voltage；Described controlling machine box are used to produce RPU plate function enabling pulses
Start pulse signal, the recording pulse signal waveform that signal, detection RPU plates are sent；Described equalizing capacitance module one end and electricity
The positive pole connection of source module, the other end are connected with the X1 ports of described RPU plates, X2 ports and the power supply mould of described RPU plates
The negative pole connection of block, described impacting with high pressure power module and the positive pole of power module are in parallel with negative pole；On described RPU plates
Optical fiber interface U1, U2 are connected with the end of laser detection 1, the end of laser detection 2 being arranged in controlling machine box respectively, described RPU plates
On optical fiber interface U3, U4 be connected respectively with the end of enable signal 1, the end of enable signal 2 being arranged in controlling machine box, described control
The power connection end of cabinet processed is connected in parallel between the positive pole of power module and negative pole after being connected with voltage measurement module.
A kind of 2. high voltage direct current converter valve trigger circuit RPU plates inspection based on light triggered thyristor according to claim 1
Survey device, it is characterised in that described power module is provided with access switch K1.
A kind of 3. high voltage direct current converter valve trigger circuit RPU plates inspection based on light triggered thyristor according to claim 1
Survey device, it is characterised in that described impacting with high pressure power module is provided with access switch K2.
A kind of 4. high voltage direct current converter valve trigger circuit RPU plates inspection based on light triggered thyristor according to claim 1
Survey device, it is characterised in that described equalizing capacitance module by multiple equalizing capacitance C1, C2, C3 ... after Cn parallel connections with switching
Switch Kq is composed in series, and described multiple equalizing capacitances are connected by switching switch Kq with the X1 ends of described RPU plates.
A kind of 5. high voltage direct current converter valve trigger circuit RPU plates inspection based on light triggered thyristor according to claim 1
Survey device, it is characterised in that the voltage at both ends is specifically by change when described power module is used to simulate RPU plate normal operations
The boosting of 220V electric mains is more than 1000V high pressures by depressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559148.8U CN206892216U (en) | 2017-05-19 | 2017-05-19 | A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559148.8U CN206892216U (en) | 2017-05-19 | 2017-05-19 | A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor |
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| Publication Number | Publication Date |
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| CN206892216U true CN206892216U (en) | 2018-01-16 |
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| CN201720559148.8U Active CN206892216U (en) | 2017-05-19 | 2017-05-19 | A kind of high voltage direct current converter valve trigger circuit RPU board checking devices based on light triggered thyristor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269062A (en) * | 2020-09-14 | 2021-01-26 | 中国南方电网有限责任公司超高压输电公司广州局 | Valve section module element impedance tester |
-
2017
- 2017-05-19 CN CN201720559148.8U patent/CN206892216U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112269062A (en) * | 2020-09-14 | 2021-01-26 | 中国南方电网有限责任公司超高压输电公司广州局 | Valve section module element impedance tester |
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