CN206892273U - A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT - Google Patents
A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT Download PDFInfo
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- CN206892273U CN206892273U CN201720559142.0U CN201720559142U CN206892273U CN 206892273 U CN206892273 U CN 206892273U CN 201720559142 U CN201720559142 U CN 201720559142U CN 206892273 U CN206892273 U CN 206892273U
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Abstract
A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT include power module, RC damping circuits module, impacting with high pressure power module, controlling machine box, voltage detection module, current detection module；Both ends operating voltage when described power module is used to simulate TE plate normal operations；Described RC damping circuits module is used to simulate the electric circumstance during work of TE plates；Described impacting with high pressure power module is used to produce high pressure or steep wave surge voltage, to simulate high pressure and high slope raised voltage operating mode present in the operation of TE plates；Described controlling machine box are used to produce trigger pulse, detect back inspection fiber-optic signal, detection TE lath thyristor gate trigger currents signal, recording pulse signal waveform；Advantage is to realize the independent test to TE plates, improves detection efficiency, reduces the requirement to detecting environment；It can realize the detection to different DC engineering TE plates by switching different parameters RC damping circuits, detect more flexible.
Description
Technical field
Detection device technical field is the utility model is related to, specially a kind of HVDC based on electricity triggering IGCT changes
Flow valve trigger circuit TE board checking devices.
Background technology
High voltage direct current converter valve trigger circuit TE plates based on electricity triggering IGCT are responsible for the triggering, protection and phase of converter valve
Off status detects, and is the indispensable component of converter valve normal operation, and the stable operation to current conversion station is most important.
The converter valve trigger circuit TE plates detection device used in domestic and international DC engineering operation maintenance can not depart from TE plates
Run electrical connection environment to be tested, single test is only capable of carrying out one block of TE plate test, and test content is less, test knot
Fruit is simple, also exists require higher to test environment in addition, be only capable of judging that whether normal TE board allomeric functions are, can not be specific
The problem of navigating to dysfunction point.
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 TE plate working environments
Realize that a kind of high voltage direct current converter valve trigger circuit TE plates based on electricity triggering IGCT of the independent test to TE plates detect dress
Put.
The utility model is achieved through the following technical solutions：
A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT, on described TE plates
Provided with electrical port X2:A1、X1：A2、X1：A1、X1：A5、X1：A3 and optical fiber interface LE, LR, wherein X1：A1 and X1：A2 is crystalline substance
Thyristor gate current trigger signal output end；Described TE board checking devices include power module, RC damping circuits module, high pressure
Impact power module, controlling machine box, voltage detection module, current detection module；Described power module is used to simulate TE plates just
Often both ends operating voltage during operation；Described RC damping circuits module is used to simulate the electric circumstance during work of TE plates；Described
Impacting with high pressure power module is used to produce high pressure or steep wave surge voltage, to simulate high pressure and high slope present in the operation of TE plates
Raised voltage operating mode；Described controlling machine box are used to produce trigger pulse, detect back inspection fiber-optic signal, detection TE plate thyristor gates
Pole trigger current signal, recording pulse signal waveform；Electrical port X2 on described TE plates：A1 and X1：A5 ends connect respectively
The both ends of RC damping circuit modules, X2：A1 and X1：A3 ends respectively with the both ends of power module and impacting with high pressure power module two
End is connected；Described X1：A1、X1：A2 is by connecting the crystalline substance for corresponding to and being arranged in controlling machine box respectively after current detection module
Thyristor gate current trigger signal input X1, X2 are connected；Described optical fiber interface LE, LR is corresponded to and is arranged on control machine respectively
Optical receiving end on case connects with light transmitting terminal, and described controlling machine box are connected in parallel on power module after being connected with voltage measurement module
Both ends.
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 RC damping circuits module by multiple damping circuit RC1, RC2, RC3,
... after RCn parallel connections with switching switch Kq be composed in series, described multiple damping circuit RC1, RC2, RC3 ... after RCn parallel connections lead to
Cross switching switch Kq and described port x 1：A5 connections, by switch switch switch Kq realize multiple damping circuit RC1, RC2,
RC3 ... the access switching between RCn.
As the improvement of such scheme, both ends operating voltage is specifically by transformer during for simulating TE plate normal operations
It is more than 1000V high pressures by the boosting of 220V electric mains.
The utility model has the advantages that：The utility model proposes TE board checking devices can depart from TE plate works
Make independent test of the environment realization to TE plates, improve detection efficiency, reduce the requirement to detecting environment；Can be by switching not
Same parameter RC damping circuits, the detection to different DC engineering TE plates is realized, detected more flexible；TE plate actual motions can be simulated
Operating mode, realize more comprehensive to Function detection, detection contents such as the triggering of TE plates, Hui Jian, overvoltage protections；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 TE plates.
Fig. 2 is the structural representation of TE board checking devices of the present utility model.
Embodiment
Embodiment
A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT, as shown in figure 1, institute
The TE plates stated are provided with electrical port X2:A1、X1：A2、X1：A1、X1：A5、X1：A3 and optical fiber interface LE, LR, wherein X1：A1
And X1：A2 is gate circuit transistor gate current trigger signal output part；As shown in Fig. 2 described TE board checking devices include power supply mould
Block, RC damping circuits module, impacting with high pressure power module, controlling machine box, voltage detection module, current detection module；Described
Both ends operating voltage boosts 220V electric mains specifically by transformer when power module is used to simulate TE plate normal operations
For more than 1000V high pressures, described power module is provided with access switch K1.Described RC damping circuits module is used to simulate TE
Plate work when electric circumstance, described RC damping circuits module by multiple damping circuit RC1, RC2, RC3 ... after RCn parallel connections
With switching switch Kq be composed in series, described multiple damping circuit RC1, RC2, RC3 ... after RCn parallel connections pass through switch switch Kq
With described port x 1：A5 connections, by switch switch switch Kq realize multiple damping circuit RC1, RC2, RC3 ... RCn it
Between access switching.Described impacting with high pressure power module is used to produce high pressure or steep wave surge voltage, to simulate the operation of TE plates
Present in high pressure and high slope raised voltage operating mode；Described controlling machine box are used to produce trigger pulse, detect back inspection optical fiber
Signal, detection TE lath thyristor gate trigger currents signal, recording pulse signal waveform；Electrical port on described TE plates
X2：A1 and X1：A5 ends connect the both ends of RC damping circuit modules, X2 respectively：A1 and X1：A3 ends both ends with power module respectively
It is connected with the both ends of impacting with high pressure power module, described impacting with high pressure power module is provided with access switch K2.Described X1：
A1、X1：A2 is by connecting the gate circuit transistor gate current trigger for corresponding to and being arranged in controlling machine box respectively after current detection module
Signal input part X1, X2 are connected；Described optical fiber interface LE, LR correspond to respectively with the optical receiving end that is arranged in controlling machine box and
Light transmitting terminal connects, and described controlling machine box are connected in parallel on the both ends of power module after being connected with voltage measurement module.
Described RC damping circuits module by multiple damping circuit RC1, RC2, RC3 ... after RCn parallel connections with switching switch
Kq is composed in series, described multiple damping circuit RC1, RC2, RC3 ... pass through after RCn parallel connections and switch switch Kq and described end
Mouth X1：A5 connections, by switch switch switch Kq realize multiple damping circuit RC1, RC2, RC3 ... the access between RCn is cut
Change.
Operation principle：
TE plates are positive/negative to return checking functions detection to voltage.The optical receiving end of controlling machine box receives TE plates and is bearing forward direction/negative sense
The light pulse signal that is sent during voltage simultaneously records corresponding magnitude of voltage, passes through the light pulse signal arteries and veins compared with TE parameters of engineering design
Corresponding voltage determines that whether normal this partial function is when wide, wavelength and pulse-triggered.
TE plates Trigger Function detects.The light transmitting terminal analog transmissions light trigger pulse of controlling machine box is examined to the LR ends of TE plates
Survey TE plates X1：A1 and X1：Whether A2 has the generation of gate current trigger signal, judges whether TE plates Trigger Function is normal with this.
TE plates over-voltage protecting function detects.Applied by impacting with high pressure power module at TE plates both ends, designed more than TE plates
Overvoltage protection operation voltage value (generally 7200V), detect TE plates both end voltage and gate current triggering letter in controlling machine box
Number, if detecting gate current trigger signal in the overvoltage protection operation voltage section of TE plates design, this function is normal, no
Then to be abnormal.
TE plate Reverse recoveries defencive function detects.When TE plates bear negative pressure, by impacting with high pressure power module in TE plates
Both ends apply, more than the Reverse recovery protection act voltage increase rate (generally 100V/us) of TE plates design, if being set in TE plates
Reverse recovery protection act voltage increase rate of meter or more detects gate current trigger signal, then this function is normal, no
Then to be abnormal.
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 TE board checking devices based on electricity triggering IGCT, set on described TE plates
There is electrical port X2:A1、X1：A2、X1：A1、X1：A5、X1：A3 and optical fiber interface LE, LR, wherein X1：A1 and X1：A2 is brilliant lock
Pipe gate current trigger signal output end；Characterized in that, described TE board checking devices include power module, RC damping circuits
Module, impacting with high pressure power module, controlling machine box, voltage detection module, current detection module；Described power module is used for mould
Intend both ends operating voltage during TE plate normal operations；Described RC damping circuits module is used to simulate the electric ring during work of TE plates
Border；Described impacting with high pressure power module is used to produce high pressure or steep wave surge voltage, high present in the operation of TE plates to simulate
Pressure and high slope raised voltage operating mode；Described controlling machine box are used to produce trigger pulse, detect back inspection fiber-optic signal, detection TE
Lath thyristor gate trigger current signal, recording pulse signal waveform；Electrical port X2 on described TE plates：A1 and X1：A5
End connects the both ends of RC damping circuit modules, X2 respectively：A1 and X1：A3 ends are electric with the both ends of power module and impacting with high pressure respectively
The both ends of source module are connected；Described X1：A1、X1：A2 by corresponding to and being arranged on control respectively after connecting current detection module
Gate circuit transistor gate current trigger signal input part X1, X2 connection on cabinet；Described optical fiber interface LE, LR is corresponded to setting respectively
The optical receiving end put in controlling machine box connects with light transmitting terminal, and described controlling machine box are in parallel after being connected with voltage measurement module
At the both ends of power module.
A kind of 2. high voltage direct current converter valve trigger circuit TE plates detection based on electricity triggering IGCT according to claim 1
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 TE plates detection based on electricity triggering IGCT according to claim 1
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 TE plates detection based on electricity triggering IGCT according to claim 1
Device, it is characterised in that described RC damping circuits module by multiple damping circuit RC1, RC2, RC3 ... after RCn parallel connections with
Switching switch Kq be composed in series, described multiple damping circuit RC1, RC2, RC3 ... after RCn parallel connections by switch switch Kq with
Described port x 1：A5 connections, by switch switch switch Kq realize multiple damping circuit RC1, RC2, RC3 ... between RCn
Access switching.
A kind of 5. high voltage direct current converter valve trigger circuit TE plates detection based on electricity triggering IGCT according to claim 1
Device, it is characterised in that both ends operating voltage exchanges 220V specifically by transformer during for simulating TE plate normal operations
City's electric boost is more than 1000V high pressures.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559142.0U CN206892273U (en) | 2017-05-19 | 2017-05-19 | A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720559142.0U CN206892273U (en) | 2017-05-19 | 2017-05-19 | A kind of high voltage direct current converter valve trigger circuit TE board checking devices based on electricity triggering IGCT |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613418A (en) * | 2019-01-02 | 2019-04-12 | 西安西电电力系统有限公司 | Thyristor valves high potential board test device and test method |
| CN113917318A (en) * | 2021-11-17 | 2022-01-11 | 中国南方电网有限责任公司超高压输电公司柳州局 | Test equipment for TE board of direct-current ice melting device and control method thereof |
| CN114993464A (en) * | 2022-08-03 | 2022-09-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Optical power detection system of thyristor control unit of converter valve |
-
2017
- 2017-05-19 CN CN201720559142.0U patent/CN206892273U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109613418A (en) * | 2019-01-02 | 2019-04-12 | 西安西电电力系统有限公司 | Thyristor valves high potential board test device and test method |
| CN113917318A (en) * | 2021-11-17 | 2022-01-11 | 中国南方电网有限责任公司超高压输电公司柳州局 | Test equipment for TE board of direct-current ice melting device and control method thereof |
| CN114993464A (en) * | 2022-08-03 | 2022-09-02 | 中国南方电网有限责任公司超高压输电公司广州局 | Optical power detection system of thyristor control unit of converter valve |
| CN114993464B (en) * | 2022-08-03 | 2023-09-15 | 中国南方电网有限责任公司超高压输电公司广州局 | Optical power detection system of thyristor control unit of converter valve |
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