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 PDF

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Publication number
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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China
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plates
module
voltage
power module
detection
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CN201720559142.0U
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Inventor
彭光强
何竞松
王立平
李清
武霁阳
王振
国建宝
张楠
王海军
张兴华
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Maintenance and Test Center of Extra High Voltage Power Transmission Co
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Maintenance and Test Center of Extra High Voltage Power Transmission Co
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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

A kind of high voltage direct current converter valve trigger circuit TE plates detection based on electricity triggering IGCT Device
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.
CN201720559142.0U 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 Active CN206892273U (en)

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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 (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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