CN104569754A - High-voltage electrical apparatus test triggering system and method applying plasma injection technology - Google Patents
High-voltage electrical apparatus test triggering system and method applying plasma injection technology Download PDFInfo
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- CN104569754A CN104569754A CN201410834010.5A CN201410834010A CN104569754A CN 104569754 A CN104569754 A CN 104569754A CN 201410834010 A CN201410834010 A CN 201410834010A CN 104569754 A CN104569754 A CN 104569754A
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Abstract
The invention discloses a high-voltage electrical apparatus test triggering system and a method applying a plasma injection technology. The system comprises an electrical to optical converter, an optical to electrical converter, a storage battery and a high potential pulse unit, wherein an output end of the electrical to optical converter is connected with an input end of the optical to electrical converter; an output end of the optical to electrical converter is connected with the storage battery and the high potential pulse unit; and an output end of the high potential pulse unit is connected with an ignition head. The triggering system is developed based on a plasma injection principle; since an injection distance is long, a penetration success rate is high, and a triggering situation is stable; at the same time, the reliability of a triggering link in a high-voltage electrical apparatus test is ensured due to the advantage that a ball distance can be free from adjustment to the full extent, so that the test time is greatly saved; the test efficiency is effectively improved; the labor intensity of testing personnel is reduced at the same time; the situation of frequent entrance into a circuit for ball distance adjustment during a test or no penetration of triggering is avoided; and a potential safety hazard when the personnel enter the circuit is eliminated while the time is saved.
Description
[technical field]
The invention belongs to super extra-high voltage electrical apparatus test technical field, particularly a kind of High-Voltage Electrical Appliances test triggering system and method applying plasma spraying technology.
[background technology]
The mode usually applying synthetic test in super extra-high voltage electrical apparatus test completes test, and triggering system is requisite important flip flop equipment in synthetic test, whether triggering system can correctly trigger timely, trigger ball ball apart from whether suitable, the resultant current after triggering whether can successfully run through all extreme influence to the success ratio of synthetic test.Prior art is use ball apart from adjustable trigger ball, is directed to the test of different electric pressure and regulates suitable ball distance to determine insulation and to trigger distance.
And although existing flip flop equipment solves the technical barrier of part triggering system, but find still to be weak and deficiency in actual moving process, if the ball of trigger ball is apart from whether successfully can having run through again the technical barrier that triggering is synthetic test for many years when meeting insulating requirements, veteran testing crew is calculated often through the situation such as electric pressure and through-flow size, and determine ball distance in conjunction with practical experience, but still inevitably have in concrete process of the test and run through in advance in charging process not because of withstand voltage, or the situation that cannot successfully run through because ball distance is too large in trigger process.
[summary of the invention]
The object of the present invention is to provide a kind of High-Voltage Electrical Appliances test triggering system and the method for applying plasma spraying technology, can reach and in situation, tolerate high voltage at larger ball, and raising runs through success ratio, does not need repeatedly artificially to change ball distance.
To achieve these goals, the present invention adopts following technical scheme:
Apply a High-Voltage Electrical Appliances test triggering system for plasma spraying technology, comprise electrical to optical converter, photoelectric commutator, accumulator and noble potential pulse unit; The output terminal of electrical to optical converter connects the input end of photoelectric commutator, and the output terminal of photoelectric commutator connects accumulator and noble potential pulse unit; The output terminal of noble potential pulse unit is connected with igniter head.
The present invention further improves and is: electrical to optical converter comprises storage battery power supply signal input part, high-voltage capacitor charging signal input part, triggering electric signal input end, accumulator light signal output end, high-voltage capacitor charging light signal output end and triggers light signal output end; Photoelectric commutator comprises accumulator optical signal input, high-voltage capacitor charging optical signal input, triggering optical signal input, storage battery power supply signal output part, high-voltage capacitor charging signal output part and triggers electrical signal;
The accumulator light signal output end of electrical to optical converter, high-voltage capacitor charging light signal output end and trigger light signal output end and be connected respectively photoelectric commutator and comprise accumulator optical signal input, high-voltage capacitor charging optical signal input and trigger optical signal input; The storage battery power supply signal output part of photoelectric commutator connects the connecting valve between accumulator and noble potential pulse unit; The high-voltage capacitor charging signal output part of photoelectric commutator connects noble potential pulse unit, for controlling the charging module of noble potential pulse unit to the high-voltage capacitor charging in noble potential pulse unit; The triggering electrical signal of photoelectric commutator connects noble potential pulse unit, for controlling the plasma material in the duration and degree of heating of noble potential pulse unit trigger point, utilizes plasma conducting ball gap.
The present invention further improves and is: described plasma material is the macromolecule polymer material for generation of plasma.
The present invention further improves and is: described igniter head is installed on ball discharge gap side to be lighted ball interior.
The present invention further improves and is: described ball discharge gap is arranged in synthetic test loop, and this synthetic test loop comprises and connects main capacitance, four pairs of ball discharge gaps and auxiliary circuit successively; The high-pressure side of main capacitance connects the first ball discharge, between first ball discharge and the second ball discharge, there is gap, second ball discharge connects the 3rd ball discharge, between 3rd ball discharge and the 4th ball discharge, there is gap, 4th ball discharge connects the 5th ball discharge, between 5th ball discharge and the 6th ball discharge, there is gap, 6th ball discharge connects the 7th ball discharge, between 7th ball discharge and the 8th ball discharge, there is gap, 8th ball discharge connects auxiliary circuit one end, and the auxiliary circuit other end connects the low pressure end of main capacitance.
The present invention further improves and is: the surperficial bee-line of described ball discharge gap be 10cm and following time, in the voltage range that can be able to tolerate to this gap at 0kV, exempt to regulate ball distance.
The present invention further improves and is: the material of conducting sphere is that copper adds graphite, and distance between conducting sphere is adjustable.
Apply a triggering method for the High-Voltage Electrical Appliances test triggering system of plasma spraying technology, comprise the following steps:
The storage battery power supply signal input part input of electrical to optical converter continues 24V level signal, accumulator light signal output end exports the corresponding light signal continued, the accumulator optical signal input of this light signal input photoelectric commutator, the storage battery power supply signal output part control 24V accumulator of photoelectric commutator and noble potential pulse unit are connected and are powered;
The high-voltage capacitor charging signal input part input of electrical to optical converter continues 24V level signal, high-voltage capacitor charging light signal output end exports corresponding lasting light signal, the high-voltage capacitor charging optical signal input of this light signal input photoelectric commutator, the high-voltage capacitance of the high-voltage capacitor charging signal output part control noble potential pulse unit of photoelectric commutator starts charging, duration of charging 25s, after time arrives, cancel 24V level signal, high-voltage capacitor charging disconnects; Noble potential pulse unit is in state to be triggered;
The 24V level signal of the triggering electric signal input end input pulsewidth 0.5ms-2ms of electrical to optical converter, trigger light signal output end and export corresponding pulsewidth light signal, the triggering optical signal input of this light signal input photoelectric commutator, after opto-electronic conversion, the triggering electrical signal of photoelectric commutator controls high-voltage pulse unit triggers igniter head conducting ball gap.
Relative to prior art, the present invention has following beneficial effect:
The present invention is a kind of triggering system based on the development of plasma spraying principle, because its jet length is far away, run through success ratio high, triggering situation is stablized, ball ensure that the reliability triggering link in High-Voltage Electrical Appliances test apart from the advantage exempting to regulate to the full extent simultaneously, thus greatly save the time of test and effectively improve test efficiency, also mitigate the labour intensity of testing crew simultaneously, avoid in process of the test and frequently enter loop modulation ball distance or trigger situation about not running through, also eliminate time saving the potential safety hazard that personnel enter loop simultaneously.This system acting time stablizes simultaneously, and actuation time is dispersed in positive and negative 10 microseconds, can greatly improve test efficiency.The interval time completed reducing in test preliminary work and process of the test of the present invention in sum, lifting test efficiency, reduces testing crew labour intensity, ensures that the personal safety of testing crew is all significant.Advance the development of China's High-Voltage Electrical Appliances experimental technique simultaneously, expand the application space of China plasma technology research, and provided practical experience and well use for reference for the development of China's plasma spraying technical field, Aero-Space triggering technique field and super extreme high voltage technical field.
[accompanying drawing explanation]
Fig. 1 is a kind of structured flowchart applying the High-Voltage Electrical Appliances test triggering system of plasma spraying technology of the present invention;
Fig. 2 is a kind of trigger flow figure applying the High-Voltage Electrical Appliances test triggering system of plasma spraying technology of the present invention;
Fig. 3 is a kind of sequential chart applying the High-Voltage Electrical Appliances test triggering system trigger process of plasma spraying technology of the present invention.
[embodiment]
Refer to shown in Fig. 1 to Fig. 3, a kind of High-Voltage Electrical Appliances test triggering system applying plasma spraying technology of the present invention, comprises electrical to optical converter 1, photoelectric commutator 2, accumulator 3 and noble potential pulse unit 4.
Electrical to optical converter 1 comprises storage battery power supply signal input part, high-voltage capacitor charging signal input part, triggering electric signal input end, accumulator light signal output end, high-voltage capacitor charging light signal output end and triggers light signal output end; Photoelectric commutator 2 comprises accumulator optical signal input, high-voltage capacitor charging optical signal input, triggering optical signal input, storage battery power supply signal output part, high-voltage capacitor charging signal output part and triggers electrical signal.
The accumulator light signal output end of electrical to optical converter 1, high-voltage capacitor charging light signal output end and trigger light signal output end and be connected respectively photoelectric commutator 2 and comprise accumulator optical signal input, high-voltage capacitor charging optical signal input and trigger optical signal input.The storage battery power supply signal output part of photoelectric commutator 2 connects the connecting valve between accumulator 3 and noble potential pulse unit 4; The high-voltage capacitor charging signal output part of photoelectric commutator 2 connects noble potential pulse unit 4, for controlling the charging module of noble potential pulse unit to the high-voltage capacitor charging in noble potential pulse unit; The triggering electrical signal of photoelectric commutator 2 connects noble potential pulse unit 4, for controlling the plasma material in high-voltage pulse unit triggers igniter head 5, utilizes plasma conducting ball gap.Plasma material is the macromolecule polymer material for generation of plasma.
Refer to shown in Fig. 1, usually apply synthetic test in super extra-high voltage electrical apparatus test and comprise connection main capacitance C, four pairs of ball discharge gaps and auxiliary circuit 7 successively; The positive pole of main capacitance C connects the first ball discharge, between first ball discharge and the second ball discharge, there is gap, second ball discharge 6 connects the 3rd ball discharge 7, between 3rd ball discharge and the 4th ball discharge, there is gap, 4th ball discharge connects the 5th ball discharge, between 5th ball discharge and the 6th ball discharge, there is gap, 6th ball discharge connects the 7th ball discharge, between 7th ball discharge and the 8th ball discharge, there is gap, 8th ball discharge connects auxiliary circuit 7 one end, and auxiliary circuit 7 other end connects the negative pole of main capacitance C.Gap in the present invention between a pair ball discharge is 8cm.Conducting sphere material is that copper adds graphite, and distance between conducting sphere is adjustable.
In the present invention, igniter head 5 is divided into two and imbeds in interconnective second ball discharge 6 and the 3rd ball discharge 7.
Refer to shown in Fig. 2 and Fig. 3, a kind of High-Voltage Electrical Appliances test triggering method applying plasma spraying technology of the present invention, comprises the following steps:
The storage battery power supply signal input part input of electrical to optical converter 1 continues 24V level signal, accumulator light signal output end exports the corresponding light signal continued, the accumulator optical signal input of this light signal input photoelectric commutator 2, storage battery power supply signal output part control 24V accumulator 3 and the noble potential pulse unit 4 of photoelectric commutator 2 are connected and are powered;
The high-voltage capacitor charging signal input part input of electrical to optical converter 1 continues 24V level signal, high-voltage capacitor charging light signal output end exports corresponding lasting light signal, the high-voltage capacitor charging optical signal input of this light signal input photoelectric commutator 2, the high-voltage capacitance of the high-voltage capacitor charging signal output part control noble potential pulse unit 4 of photoelectric commutator 2 starts charging, duration of charging 25s, after time arrives, cancel 24V level signal, high-voltage capacitor charging disconnects; Noble potential pulse unit is in state to be triggered;
The 24V level signal of the triggering electric signal input end input pulsewidth 0.5ms-2ms of electrical to optical converter 1, trigger light signal output end and export corresponding pulsewidth light signal, the triggering optical signal input of this light signal input photoelectric commutator 2, after opto-electronic conversion, the triggering electrical signal control high-voltage capacitor of photoelectric commutator 2 is lighted a fire through pulse transformer discharge, light ball gap by igniter head 5, whole synthetic test conducting is tested; Single channel can be controlled to light a fire single sphere gap, or the two sphere gap of synchro control 2 waypoint fire.
Electrical to optical converter 1 is also for recording and showing the discharge time of noble potential pulse unit.
Plasma spraying technology is applied among High-Voltage Electrical Appliances test triggering system by the present invention, to improve the reliability of triggering system, the centre of sphere can be punctured reliably apart from the penalty kick of putting for 8cm, the synthetic test loop that the present invention can be 0 ~ 1000kV in capacitance voltage matches, field triggering system of the present invention can puncture at lower voltages equally, and without point of adjustment fireball gap; This system acting time stablizes, and actuation time is dispersed in positive and negative 10 microseconds, can greatly improve test efficiency.
Claims (7)
1. apply a High-Voltage Electrical Appliances test triggering system for plasma spraying technology, it is characterized in that, comprise electrical to optical converter (1), photoelectric commutator (2), accumulator (3) and noble potential pulse unit (4); The output terminal of electrical to optical converter (1) connects the input end of photoelectric commutator (2), and the output terminal of photoelectric commutator (2) connects accumulator (3) and noble potential pulse unit (4); The output terminal of noble potential pulse unit (4) is connected with igniter head (5).
2. a kind of High-Voltage Electrical Appliances test triggering system applying plasma spraying technology according to claim 1, it is characterized in that, electrical to optical converter (1) comprises storage battery power supply signal input part, high-voltage capacitor charging signal input part, triggering electric signal input end, accumulator light signal output end, high-voltage capacitor charging light signal output end and triggers light signal output end; Photoelectric commutator (2) comprises accumulator optical signal input, high-voltage capacitor charging optical signal input, triggering optical signal input, storage battery power supply signal output part, high-voltage capacitor charging signal output part and triggers electrical signal;
The accumulator light signal output end of electrical to optical converter (1), high-voltage capacitor charging light signal output end and trigger light signal output end and be connected respectively photoelectric commutator (2) and comprise accumulator optical signal input, high-voltage capacitor charging optical signal input and trigger optical signal input; The storage battery power supply signal output part of photoelectric commutator (2) connects the connecting valve between accumulator (3) and noble potential pulse unit (4); The high-voltage capacitor charging signal output part of photoelectric commutator (2) connects noble potential pulse unit (4), for controlling the charging module of noble potential pulse unit to the high-voltage capacitor charging in noble potential pulse unit; The triggering electrical signal of photoelectric commutator (2) connects noble potential pulse unit (4), for controlling the plasma material in noble potential pulse unit trigger point duration and degree of heating (5), utilizes plasma conducting ball gap.
3. a kind of High-Voltage Electrical Appliances test triggering system applying plasma spraying technology according to claim 1, it is characterized in that, described igniter head (5) is installed on the side ball interior of ball discharge gap to be lighted.
4. a kind of High-Voltage Electrical Appliances test triggering system applying plasma spraying technology according to claim 3, it is characterized in that, described ball discharge gap is arranged in synthetic test loop, and this synthetic test loop comprises and connects main capacitance (C), four pairs of ball discharge gaps and auxiliary circuit (7) successively, the high-pressure side of main capacitance (C) connects the first ball discharge, between first ball discharge and the second ball discharge, there is gap, second ball discharge (6) connects the 3rd ball discharge (7), between 3rd ball discharge and the 4th ball discharge, there is gap, 4th ball discharge connects the 5th ball discharge, between 5th ball discharge and the 6th ball discharge, there is gap, 6th ball discharge connects the 7th ball discharge, between 7th ball discharge and the 8th ball discharge, there is gap, 8th ball discharge connects auxiliary circuit (7) one end, auxiliary circuit (7) other end connects the low pressure end of main capacitance (C).
5. a kind of High-Voltage Electrical Appliances test triggering system applying plasma spraying technology according to claim 3, it is characterized in that, the surperficial bee-line of described ball discharge gap is less than or equal to 10cm, in the voltage range that can be able to tolerate to this gap at 0kV, exempts to regulate ball distance.
6. a kind of High-Voltage Electrical Appliances test triggering system applying plasma spraying technology according to claim 3, it is characterized in that, the material of conducting sphere is that copper adds graphite, and distance between conducting sphere is adjustable.
7. a kind of triggering method applying the High-Voltage Electrical Appliances test triggering system of plasma spraying technology according to claim 2, is characterized in that, comprise the following steps:
The storage battery power supply signal input part input of electrical to optical converter (1) continues 24V level signal, accumulator light signal output end exports the corresponding light signal continued, the accumulator optical signal input of this light signal input photoelectric commutator (2), storage battery power supply signal output part control 24V accumulator (3) and the noble potential pulse unit (4) of photoelectric commutator (2) are connected and are powered;
The high-voltage capacitor charging signal input part input of electrical to optical converter (1) continues 24V level signal, high-voltage capacitor charging light signal output end exports corresponding lasting light signal, the high-voltage capacitor charging optical signal input of this light signal input photoelectric commutator (2), the high-voltage capacitance of high-voltage capacitor charging signal output part control noble potential pulse unit (4) of photoelectric commutator (2) starts charging, duration of charging 25s, after time arrives, cancel 24V level signal, high-voltage capacitor charging disconnects; Noble potential pulse unit is in state to be triggered;
The 24V level signal of the triggering electric signal input end input pulsewidth 0.5ms-2ms of electrical to optical converter (1), trigger light signal output end and export corresponding pulsewidth light signal, the triggering optical signal input of this light signal input photoelectric commutator (2), after opto-electronic conversion, the triggering electrical signal of photoelectric commutator (2) controls high-voltage pulse unit triggers igniter head (5) conducting ball gap.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109143004A (en) * | 2017-06-27 | 2019-01-04 | 河南省高压电器研究所 | A kind of hardware external trigger High-Voltage Electrical Appliances testing & measuring system based on timing control |
| CN109142941A (en) * | 2017-06-27 | 2019-01-04 | 河南省高压电器研究所 | A kind of software internal trigger High-Voltage Electrical Appliances testing & measuring system based on timing control |
| CN112394268A (en) * | 2019-08-16 | 2021-02-23 | 许继集团有限公司 | Impulse voltage wave chopping device |
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| CN112394268B (en) * | 2019-08-16 | 2023-11-17 | 许继集团有限公司 | Impulse voltage wave cutting device |
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Application publication date: 20150429 |