CN201904717U - High-frequency energy-transferring system for high-potential electronic plate of high-voltage thyristor - Google Patents
High-frequency energy-transferring system for high-potential electronic plate of high-voltage thyristor Download PDFInfo
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- CN201904717U CN201904717U CN2010205385879U CN201020538587U CN201904717U CN 201904717 U CN201904717 U CN 201904717U CN 2010205385879 U CN2010205385879 U CN 2010205385879U CN 201020538587 U CN201020538587 U CN 201020538587U CN 201904717 U CN201904717 U CN 201904717U
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Abstract
The utility model relates to a high-frequency energy-transferring system for a high-potential electronic plate of a high-voltage thyristor, which comprises an inverter power supply, a high-frequency converter, an energy-transferring cable and a high-frequency boosting transformer, and is characterized in that an input end of the inverter power supply is connected to a low-voltage direct current and is used for inverting the direct current into a high-frequency pulse and outputting the high-frequency pulse to the high-frequency converter; the original edge of the high-frequency converter is connected to the inverter power supply so as to reduce the voltage and increase the current of the high-frequency pulse, while the secondary edge is connected to the energy-transferring cable; and the energy-transferring system is supplied with power by using a low-voltage direct current power supply. By using the high-frequency energy-transferring system, the defects that two energy-taking modes of the high-potential electronic plate are highly dependent on the once equipment and the thyristor cannot be continuously and reliably triggered are overcome. The energy-transferring system capable of continuously and reliably triggering the thyristor is supplied to the high-potential electronic plate.
Description
[technical field]
The utility model relates to thyristor in electric power system and the power electronic system, specifically, relates to the high-pressure thyristor energy supplying system.
[background technology]
The high potential electron plate of high-pressure thyristor (TE plate) is the hinge that connects thyristor valve body and control system thereof, be the conducting of control thyristor and the critical component that ends, it is wanted the conducting of receiving control system on the one hand and removes to trigger and end thyristor valve by the order of thyristor, on the other hand will be to the operating state of control system real-time repaying thyristor.Because the high potential electron plate links to each other with thyristor valve body and is in high potential, must adopt reliable method to provide energy for the high potential electron plate.
At present, in electric power system and the power electronic system, high-pressure thyristor high potential electron plate has two kinds to get the energy mode:
1, from primary equipment carry out voltage get can, get the required power supply of system works from the primary equipment side-draw, promptly carrying out from the hot side of system that voltage gets can (the patent No.: 200510064687.6).
2, carry out current energy-taking from primary equipment, energy feeding device send and can transformer three parts form the (patent No.: 200610064931.3) with sending by current transformer mainly by sending the energy cable.The problem that this dual mode exists has:
1) no matter be voltage get can or current energy-taking, all will extract energy, and a high-pressure system is the 50Hz AC system, has zero crossing from the primary equipment high-voltage system, utilize system voltage or electric current reliable continuous trigger thyristor in a cycle;
2) the current energy-taking mode is for the severity height of a secondary side dielectric voltage withstand that send the energy current transformer;
[utility model content]
The purpose of this utility model is, the above-mentioned defective that exists at prior art: two kinds of high potential electron plates are got can mode higher and have a situation that can't reliably trigger thyristor continuously for the primary equipment dependence; A kind of high-pressure thyristor high potential electron plate high frequency energy supplying system is provided, when overcoming above two kinds of difficulties, gives security for the high potential electron plate and can reliably trigger the energy supplying system of thyristor continuously.
A kind of high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides comprises inverter, high-frequency current transformer, send energy cable and high-frequency step-up transformer; Wherein the input termination low-voltage DC of inverter becomes high-frequency impulse with dc inverter, exports to high-frequency current transformer; The former edge joint inverter of high-frequency current transformer is with high-frequency impulse step-down up-flow, and secondary is picked the energy cable; Described energy supplying system adopts the low-voltage dc power supply power supply.
The first preferred high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides, described send can cable pass high-frequency step-up transformer and with the thyristor valve body insulation, its crust insulation level will satisfy the requirement of the ceiling voltage of thyristor valve body time of running; Every high-frequency step-up transformer will send the voltage of energy cable to raise to thyristor trigger board provides energy, and direct current and voltage security that valve body is increased are isolated, and prevent that high-tension electricity can be coupled to the high-frequency current transformer secondary by cable through sending.
The second preferred high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides, the former limit of described high-frequency current transformer and the dielectric voltage withstand of secondary will satisfy the requirement of thyristor valve body at the ceiling voltage of the time of running, also direct current and voltage security that valve body is increased to be isolated, prevent that high-tension electricity is coupled to the dc low-voltage side through high-frequency current transformer.
The 3rd preferred high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides, the insulation of former limit of described high-frequency current transformer and secondary and send can cable two class F insulations guarantee that reliably direct current and voltage security that valve body is increased isolate, prevent from that high-tension electricity from passing through to send the energy cable be coupled to the high-frequency current transformer secondary.
The 4th preferred high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides, described send can mode adopt high frequency send can, and realized thyristor trigger board send can with thyristor valve body primary system voltage isolation.
The 5th preferred high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides send and can adopt the multicore flexible cable by cable, to satisfy the requirement of passing high-frequency step-up transformer.
Compared with prior art, a kind of high-pressure thyristor high potential electron plate high frequency energy supplying system of providing of the utility model has the following advantages:
1, adopts relatively stable reliable DC power supply that energy is provided, avoided the dependence of energy supplying system primary equipment high-pressure system voltage and current;
2, high-frequency energy replenishes soon, continuous trigger thyristor that can be reliable and stable;
3, the insulation of former limit of high-frequency current transformer and secondary and send can cable two class F insulations guarantee that reliably direct current and voltage security that valve body is increased isolate, prevent from that high-tension electricity from passing through to send the energy cable be coupled to the high-frequency current transformer secondary;
4, principle is understandable, makes things convenient for the technical staff to grasp and installs.
[description of drawings]
Fig. 1: a kind of high-pressure thyristor high potential electron plate high frequency energy supplying system energy supplying system primary circuit schematic diagram that the utility model provides;
Fig. 2: the shape assumption diagram of the high-frequency current transformer of a kind of high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides;
Fig. 3: the cut-away view of the high-frequency current transformer of a kind of high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides.
Among the figure: 1, high-frequency step-up transformer; 2, sending can cable.
[embodiment]
Below in conjunction with description of drawings and embodiment, a kind of high-pressure thyristor high potential electron plate high frequency energy supplying system that the utility model provides is done further more detailed description.
As shown in Figure 1, the high-pressure thyristor high potential electron plate high frequency energy supplying system of present embodiment, by inverter, high-frequency current transformer, send can cable and high-frequency step-up transformer form; Wherein the input termination low-voltage DC of inverter becomes high-frequency impulse with dc inverter, exports to high-frequency current transformer; The former edge joint inverter of high-frequency current transformer is with high-frequency impulse step-down up-flow, and secondary is picked the energy cable; Wherein energy supplying system adopts the low-voltage dc power supply power supply.
Send can cable pass high-frequency step-up transformer and with the thyristor valve body insulation, its crust insulation level will satisfy the requirement of the ceiling voltage of thyristor valve body time of running; Every high-frequency step-up transformer will send the voltage of energy cable to raise to thyristor trigger board provides energy, and direct current and voltage security that valve body is increased are isolated, and prevent that high-tension electricity can be coupled to the high-frequency current transformer secondary by cable through sending.
The former limit of high-frequency current transformer and the dielectric voltage withstand of secondary will satisfy the requirement of thyristor valve body at the ceiling voltage of the time of running, also direct current and voltage security that valve body is increased will be isolated, and prevent that high-tension electricity is coupled to the dc low-voltage side through high-frequency current transformer.
The insulation of former limit of high-frequency current transformer and secondary and send can cable two class F insulations guarantee that reliably direct current and voltage security that valve body is increased isolate, prevent from that high-tension electricity from passing through to send the energy cable be coupled to the high-frequency current transformer secondary.
Send can mode adopt high frequency send can, and realized thyristor trigger board send can with thyristor valve body primary system voltage isolation.
The provided by the invention the 5th preferred high-pressure thyristor high potential electron plate high frequency energy supplying system send and can adopt the multicore flexible cable by cable, to satisfy the requirement of passing high-frequency step-up transformer.
Embodiment 2
As shown in Figure 1, the high-pressure thyristor high potential electron plate high frequency energy supplying system of present embodiment is by inverter, high-frequency current transformer, send energy cable and high-frequency step-up transformer to constitute, owing to consider that the equipment of the secondary of high-frequency current transformer is in the high potential system, so the former secondary of high-frequency current transformer is with the dielectric voltage withstand that send the energy cable and will reach the thyristor ceiling voltage of the time of running together, energy supplying system high-frequency current transformer and high-frequency step-up transformer will adopt particular design to reduce distributed capacitance and partial discharge.
As shown in Figure 2, there are four double-screw bolts the top, two of outsides are fixed bolt, be used for fixing high-frequency current transformer, two double-screw bolts are the former edge joint terminal of high-frequency current transformer in the middle of the top, and following two double-screw bolts are the secondary binding post, and former secondary is wrapped in the circular magnetic core of high-magnetodensity degree both sides, whole with the epoxy resin casting, insulation property are good.
As shown in Figure 3, high-frequency step-up transformer 1 adopts the circular magnetic core of high-magnetodensity degree, be placed in the plastic housing, its center of circle can be passed by cable for sending in former limit, secondary connects the TE plate, send and can adopt extraordinary high pressure resistant insulation flexible cable by cable 2, under the double insulation that send energy cable 2 and high-frequency current transformer, the insulating capacity between energy supplying system and the thyristor is very strong.
Should be noted that at last: above embodiment only is not intended to limit in order to the explanation the technical solution of the utility model; although the utility model is had been described in detail with reference to the foregoing description; those of ordinary skill in the field are to be understood that: the technical staff reads after the present specification still and can make amendment or be equal to replacement embodiment of the present utility model, does not await the reply within the claim protection range but these modifications or change all break away from the utility model application.
Claims (5)
1. a high-pressure thyristor high potential electron plate high frequency energy supplying system comprises inverter, high-frequency current transformer, send energy cable and high-frequency step-up transformer; It is characterized in that the input termination low-voltage DC of described inverter, dc inverter is become high-frequency impulse, export to high-frequency current transformer; The former edge joint inverter of high-frequency current transformer is with high-frequency impulse step-down up-flow, and secondary is picked the energy cable; Described energy supplying system adopts the low-voltage dc power supply power supply.
2. high frequency energy supplying system according to claim 1, it is characterized in that described send can cable pass high-frequency step-up transformer and with the thyristor valve body insulation, its crust insulation level will satisfy the requirement of the ceiling voltage of thyristor valve body time of running; Every high-frequency step-up transformer will send the voltage of energy cable to raise to thyristor trigger board provides energy, and direct current and voltage security that valve body is increased are isolated, and prevent that high-tension electricity can be coupled to the high-frequency current transformer secondary by cable through sending.
3. high frequency energy supplying system according to claim 1, it is characterized in that the former limit of described high-frequency current transformer and the dielectric voltage withstand of secondary will satisfy the requirement of thyristor valve body at the ceiling voltage of the time of running, also direct current and voltage security that valve body is increased to be isolated, prevent that high-tension electricity is coupled to the dc low-voltage side through high-frequency current transformer.
4. energy supplying system according to claim 1, it is characterized in that described send can mode adopt high frequency send can, and realized thyristor trigger board send can with thyristor valve body primary system voltage isolation.
5. high frequency energy supplying system according to claim 1 is characterized in that sending and can adopt the multicore flexible cable by cable, to satisfy the requirement of passing high-frequency step-up transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205385879U CN201904717U (en) | 2010-09-20 | 2010-09-20 | High-frequency energy-transferring system for high-potential electronic plate of high-voltage thyristor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205385879U CN201904717U (en) | 2010-09-20 | 2010-09-20 | High-frequency energy-transferring system for high-potential electronic plate of high-voltage thyristor |
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| CN201904717U true CN201904717U (en) | 2011-07-20 |
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| CN2010205385879U Expired - Fee Related CN201904717U (en) | 2010-09-20 | 2010-09-20 | High-frequency energy-transferring system for high-potential electronic plate of high-voltage thyristor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377253A (en) * | 2011-11-14 | 2012-03-14 | 湖北三环发展股份有限公司 | Energy acquiring and electromagnetic triggering system of high-voltage thyristor valve bank |
| CN103618436A (en) * | 2013-12-11 | 2014-03-05 | 国家电网公司 | High-power high-frequency power supply system for high-potential electronic circuit and method of high-power high-frequency power supply system |
| CN103618529A (en) * | 2013-11-19 | 2014-03-05 | 国家电网公司 | Modularized thyristor valve block for solid combination switch device |
| CN105811788A (en) * | 2014-12-29 | 2016-07-27 | 国家电网公司 | High potential energy supply system used for high voltage power electronic device |
| CN108631608A (en) * | 2018-01-31 | 2018-10-09 | 株洲中车时代电气股份有限公司 | It is a kind of cross that split-phase electronic switch takes can circuit |
-
2010
- 2010-09-20 CN CN2010205385879U patent/CN201904717U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102377253A (en) * | 2011-11-14 | 2012-03-14 | 湖北三环发展股份有限公司 | Energy acquiring and electromagnetic triggering system of high-voltage thyristor valve bank |
| CN103618529A (en) * | 2013-11-19 | 2014-03-05 | 国家电网公司 | Modularized thyristor valve block for solid combination switch device |
| CN103618436A (en) * | 2013-12-11 | 2014-03-05 | 国家电网公司 | High-power high-frequency power supply system for high-potential electronic circuit and method of high-power high-frequency power supply system |
| CN105811788A (en) * | 2014-12-29 | 2016-07-27 | 国家电网公司 | High potential energy supply system used for high voltage power electronic device |
| CN108631608A (en) * | 2018-01-31 | 2018-10-09 | 株洲中车时代电气股份有限公司 | It is a kind of cross that split-phase electronic switch takes can circuit |
| WO2019148922A1 (en) * | 2018-01-31 | 2019-08-08 | 株洲中车时代电气股份有限公司 | Neutral-section-passing electronic switch energy extraction circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20180920 |