CN202856709U - Photoelectric triggering device for thyristor valve of high-voltage TSC (thyristor switched capacitor) - Google Patents
Photoelectric triggering device for thyristor valve of high-voltage TSC (thyristor switched capacitor) Download PDFInfo
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- CN202856709U CN202856709U CN2012206125952U CN201220612595U CN202856709U CN 202856709 U CN202856709 U CN 202856709U CN 2012206125952 U CN2012206125952 U CN 2012206125952U CN 201220612595 U CN201220612595 U CN 201220612595U CN 202856709 U CN202856709 U CN 202856709U
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- 239000003990 capacitor Substances 0.000 title abstract description 9
- 238000002955 isolation Methods 0.000 claims abstract description 44
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 230000001960 triggered effect Effects 0.000 claims abstract description 15
- 239000013307 optical fiber Substances 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 51
- 230000008878 coupling Effects 0.000 claims description 33
- 238000010168 coupling process Methods 0.000 claims description 33
- 238000005859 coupling reaction Methods 0.000 claims description 33
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a photoelectric triggering device for a thyristor valve of a high-voltage thyristor switched capacitor, and pertains to the field of triggering technology of thyristor switched capacitors in power electronics technology, so as to solve the problem that the thyristor valve is likely to be triggered mistakenly as the triggering plate used for the thyristor valve of the high-voltage thyristor switched capacitor in the prior art is affected by electromagnetic interference. The rectifying circuits of the photoelectric triggering device are used for receiving high-frequency isolation voltage signals; the direct current voltage signal output ends of the rectifying circuits are connected with the direct current voltage signal input ends of voltage stabilizing circuits; the triggering control signal output end of the optical fiber is connected with the triggering control signal input end of a light receiving circuit; the control signal output end of the light receiving circuit is connected with the light signal input ends of optocoupler isolation circuits; the voltage signal output ends of the optocoupler isolation circuits are connected with the voltage signal input ends of voltage conversion circuits; the current signal output ends of the voltage conversion circuits are connected with the current signal input ends of triggering circuits; and the triggering pulse signal output ends of the triggering circuits are connected with the gate poles of thyristors to be triggered. The photoelectric triggering device for a thyristor valve of a high-voltage thyristor switched capacitor disclosed by the utility model is used for photoelectric triggering for thyristor valves.
Description
Technical field
The utility model relates to the photoelectric trigger device that a kind of high pressure TSC uses thyristor valve, belongs to the triggering technique field of thyristor switchable capacitor in the power electronic technology.
Background technology
In recent years, because the increase of net capacity requires also to increase with day to electric network reactive-load.Resolve the electric network reactive compensation problem, improve power factor, with the reduction line loss, energy savings, the potentiality of excavation power supply equipment are the trend of our times various countries power network development.For reducing grid line loss and distribution loss, increase reactive compensation capacity, high pressure TSC device has been brought into play considerable effect in solving the problems such as grid stability and power-distribution electric energy quality, be the practical technique that generally adopts at present.Thyristor triggering device is the important component part of high-pressure thyristor switched capacitor TSC (Thyristor Switched Capacitor), and it is the device that triggers the conducting of crystal pipe valve group.Because the thyristor valve group of high pressure TSC device generally all is positioned at high potential, conventional control mode can not obtain good compensation effect.Mainly there is at present following problem:
1, the thyristor valve trigger plate is positioned at high potential, and the trigger board energy source is chosen improper meeting and caused the trigger energy fluctuation, directly affects the service behaviour of whole valve group;
2, the thyristor valve trigger plate is positioned at hot side, be in the more abominable electromagnetic environment, the trigger impulse current cable navigates within high electromagnetic interference environment, interference easily is delivered to control circuit by winding coil and causes false triggering, and flowing of high-power high-frequency electric current itself just brought very large electromagnetic interference simultaneously.
Therefore, high pressure TSC need to use antijamming capability strong, the reliable trigger equipment of output energy stabilization.
The utility model content
The utility model is to be subject to electromagnetic interference and easily to cause and problem to the thyristor valve false triggering provide the photoelectric trigger device of a kind of high pressure TSC with thyristor valve in order to solve the existing trigger board that is used for high pressure TSC thyristor valve.
The high pressure TSC described in the utility model photoelectric trigger device of thyristor valve, it comprises the first rectification circuit, the first voltage stabilizing circuit, the first optical coupling isolation circuit, the first voltage conversion circuit, the first circuits for triggering, the second rectification circuit, the second voltage stabilizing circuit, the second optical coupling isolation circuit, second voltage change-over circuit, the second circuits for triggering, optical fiber and optical receiving circuit
The first rectification circuit is used for receiving the high-frequency isolation voltage signal, the d. c. voltage signal output of the first rectification circuit connects the d. c. voltage signal input of the first voltage stabilizing circuit, and the first voltage stabilizing circuit provides working power for the first optical coupling isolation circuit, the first voltage conversion circuit and the first circuits for triggering;
The second rectification circuit is used for receiving the high-frequency isolation voltage signal, the d. c. voltage signal output of the second rectification circuit connects the d. c. voltage signal input of the second voltage stabilizing circuit, and the second voltage stabilizing circuit provides working power for the second optical coupling isolation circuit, second voltage change-over circuit, the second circuits for triggering and optical receiving circuit;
Optical fiber is used for receiving the low pressure Trig control signal, and the Trig control signal output of optical fiber connects the Trig control signal input of optical receiving circuit,
The first control signal output of optical receiving circuit connects the light signal input of the first optical coupling isolation circuit, the voltage signal output end of the first optical coupling isolation circuit connects the voltage signal input of the first voltage conversion circuit, the current signal output end of the first voltage conversion circuit connects the current signal input of the first circuits for triggering, and the start pulse signal output of the first circuits for triggering connects the gate pole of the first thyristor to be triggered;
The second control signal output of optical receiving circuit connects the light signal input of the second optical coupling isolation circuit, the voltage signal output end of the second optical coupling isolation circuit connects the voltage signal input of second voltage change-over circuit, the current signal output end of second voltage change-over circuit connects the current signal input of the second circuits for triggering, and the start pulse signal output of the second circuits for triggering connects the gate pole of the second thyristor to be triggered;
The described first thyristor to be triggered and the second thyristor to be triggered are a pair of antiparallel thyristor.
The first rectification circuit is identical with the circuit topological structure of the second rectification circuit.
The first voltage stabilizing circuit is identical with the circuit topological structure of the second voltage stabilizing circuit.
The first optical coupling isolation circuit is identical with the circuit topological structure of the second optical coupling isolation circuit.
The first circuits for triggering are identical with the circuit topological structure of the second circuits for triggering.
The utility model has the advantages that: the utility model adopts high-frequency isolation voltage as safe and reliable energy source, has guaranteed that circuits for triggering finally export stability and the consistency of triggering signal, has improved Security of the system and reliability; Its structure can guarantee that triggering signal is not subjected to electromagnetic interference in transmittance process, and antijamming capability is strong, is convenient to installation and maintenance.
Description of drawings:
Fig. 1 is theory diagram of the present utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, the described high pressure TSC of the present embodiment photoelectric trigger device of thyristor valve, it comprises the first rectification circuit 1, the first voltage stabilizing circuit 2, the first optical coupling isolation circuit 3, the first voltage conversion circuit 4, the first circuits for triggering 5, the second rectification circuit 6, the second voltage stabilizing circuit 7, the second optical coupling isolation circuit 8, second voltage change-over circuit 9, the second circuits for triggering 10, optical fiber 11 and optical receiving circuit 12
The first rectification circuit 1 is used for receiving the high-frequency isolation voltage signal, the d. c. voltage signal output of the first rectification circuit 1 connects the d. c. voltage signal input of the first voltage stabilizing circuit 2, and the first voltage stabilizing circuit 2 provides working power for the first optical coupling isolation circuit 3, the first voltage conversion circuit 4 and the first circuits for triggering 5;
The second rectification circuit 6 is used for receiving the high-frequency isolation voltage signal, the d. c. voltage signal output of the second rectification circuit 6 connects the d. c. voltage signal input of the second voltage stabilizing circuit 7, and the second voltage stabilizing circuit 7 provides working power for the second optical coupling isolation circuit 8, second voltage change-over circuit 9, the second circuits for triggering 10 and optical receiving circuit 12;
The first control signal output of optical receiving circuit 12 connects the light signal input of the first optical coupling isolation circuit 3, the voltage signal output end of the first optical coupling isolation circuit 3 connects the voltage signal input of the first voltage conversion circuit 4, the current signal output end of the first voltage conversion circuit 4 connects the current signal input of the first circuits for triggering 5, and the start pulse signal output of the first circuits for triggering 5 connects the gate pole of the first thyristor 13 to be triggered;
The second control signal output of optical receiving circuit 12 connects the light signal input of the second optical coupling isolation circuit 8, the voltage signal output end of the second optical coupling isolation circuit 8 connects the voltage signal input of second voltage change-over circuit 9, the current signal output end of second voltage change-over circuit 9 connects the current signal input of the second circuits for triggering 10, and the start pulse signal output of the second circuits for triggering 10 connects the gate pole of the second thyristor 14 to be triggered;
The described first thyristor 13 to be triggered and the second thyristor 14 to be triggered are a pair of antiparallel thyristor.
Photoelectric trigger device individual packages described in the present embodiment, and pour into epoxy resin.
The course of work is as follows: convert one tunnel high-frequency isolation voltage signal to direct current respectively by two rectification circuits, convert galvanic current to through corresponding voltage stabilizing circuit again and press; Voltage stabilizing circuit output multi-channel voltage is to optical coupling isolation circuit, voltage conversion circuit and circuits for triggering; Optical receiving circuit 12 is by 7 power supplies of the second voltage stabilizing circuit; Voltage stabilizing circuit adopts current feedback control, for each circuit provides reliable and stable operating voltage, provides simultaneously stable trigger energy; The electric control signal of low-pressure side transfers to optical receiving circuit 12 by low loss fiber 11, optical receiving circuit 12 is respectively with two optical coupling isolation circuits of light signal input, optical coupling isolation circuit will be changed the signal of telecommunication that obtains and be sent to voltage conversion circuit, characteristics based on the current signal strong interference immunity, voltage conversion circuit is converted into current signal with voltage signal, send into circuits for triggering, two circuits for triggering output start pulse signals, trigger a pair of antiparallel thyristor to be triggered, thus the control thyristor switchable capacitor.Whole smooth triggering mode be actually control signal by electricity to light again to the electricity transfer process.
Embodiment two: present embodiment is for to the further specifying of execution mode one, and described the first rectification circuit 1 of present embodiment is identical with the circuit topological structure of the second rectification circuit 6.
Embodiment three: present embodiment is for to the further specifying of execution mode one or two, and described the first voltage stabilizing circuit 2 of present embodiment is identical with the circuit topological structure of the second voltage stabilizing circuit 7.
Embodiment four: present embodiment is for to execution mode one, two or three further specify, and described the first optical coupling isolation circuit 3 of present embodiment is identical with the circuit topological structure of the second optical coupling isolation circuit 8.
Embodiment five: present embodiment is for to execution mode one, two, three or four further specify, and described the first circuits for triggering 5 of present embodiment are identical with the circuit topological structure of the second circuits for triggering 10.
Claims (5)
1. a high pressure TSC is with the photoelectric trigger device of thyristor valve, it is characterized in that: it comprises the first rectification circuit (1), the first voltage stabilizing circuit (2), the first optical coupling isolation circuit (3), the first voltage conversion circuit (4), the first circuits for triggering (5), the second rectification circuit (6), the second voltage stabilizing circuit (7), the second optical coupling isolation circuit (8), second voltage change-over circuit (9), the second circuits for triggering (10), optical fiber (11) and optical receiving circuit (12)
The first rectification circuit (1) is used for receiving the high-frequency isolation voltage signal, the d. c. voltage signal output of the first rectification circuit (1) connects the d. c. voltage signal input of the first voltage stabilizing circuit (2), and the first voltage stabilizing circuit (2) is that the first optical coupling isolation circuit (3), the first voltage conversion circuit (4) and the first circuits for triggering (5) provide working power;
The second rectification circuit (6) is used for receiving the high-frequency isolation voltage signal, the d. c. voltage signal output of the second rectification circuit (6) connects the d. c. voltage signal input of the second voltage stabilizing circuit (7), and the second voltage stabilizing circuit (7) is that the second optical coupling isolation circuit (8), second voltage change-over circuit (9), the second circuits for triggering (10) and optical receiving circuit (12) provide working power;
Optical fiber (11) is used for receiving the low pressure Trig control signal, and the Trig control signal output of optical fiber (11) connects the Trig control signal input of optical receiving circuit (12),
The first control signal output of optical receiving circuit (12) connects the light signal input of the first optical coupling isolation circuit (3), the voltage signal output end of the first optical coupling isolation circuit (3) connects the voltage signal input of the first voltage conversion circuit (4), the current signal output end of the first voltage conversion circuit (4) connects the current signal input of the first circuits for triggering (5), and the start pulse signal output of the first circuits for triggering (5) connects the gate pole of the first thyristor to be triggered (13);
The second control signal output of optical receiving circuit (12) connects the light signal input of the second optical coupling isolation circuit (8), the voltage signal output end of the second optical coupling isolation circuit (8) connects the voltage signal input of second voltage change-over circuit (9), the current signal output end of second voltage change-over circuit (9) connects the current signal input of the second circuits for triggering (10), and the start pulse signal output of the second circuits for triggering (10) connects the gate pole of the second thyristor to be triggered (14);
The described first thyristor to be triggered (13) and the second thyristor to be triggered (14) are a pair of antiparallel thyristor.
2. high pressure TSC according to claim 1 is with the photoelectric trigger device of thyristor valve, and it is characterized in that: the first rectification circuit (1) is identical with the circuit topological structure of the second rectification circuit (6).
3. high pressure TSC according to claim 1 and 2 is with the photoelectric trigger device of thyristor valve, and it is characterized in that: the first voltage stabilizing circuit (2) is identical with the circuit topological structure of the second voltage stabilizing circuit (7).
4. high pressure TSC according to claim 1 and 2 is with the photoelectric trigger device of thyristor valve, and it is characterized in that: the first optical coupling isolation circuit (3) is identical with the circuit topological structure of the second optical coupling isolation circuit (8).
5. high pressure TSC according to claim 1 and 2 is with the photoelectric trigger device of thyristor valve, and it is characterized in that: the first circuits for triggering (5) are identical with the circuit topological structure of the second circuits for triggering (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206125952U CN202856709U (en) | 2012-11-19 | 2012-11-19 | Photoelectric triggering device for thyristor valve of high-voltage TSC (thyristor switched capacitor) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206125952U CN202856709U (en) | 2012-11-19 | 2012-11-19 | Photoelectric triggering device for thyristor valve of high-voltage TSC (thyristor switched capacitor) |
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| Publication Number | Publication Date |
|---|---|
| CN202856709U true CN202856709U (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206125952U Expired - Lifetime CN202856709U (en) | 2012-11-19 | 2012-11-19 | Photoelectric triggering device for thyristor valve of high-voltage TSC (thyristor switched capacitor) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236701A (en) * | 2013-04-10 | 2013-08-07 | 李国勇 | Triggering device and triggering control method for thyristor valve block of high-voltage TSC (thyristor switched capacitor) |
| CN105281731A (en) * | 2014-05-28 | 2016-01-27 | 株洲变流技术国家工程研究中心有限公司 | Thyristor valve block trigger device and thyristor valve block trigger system |
| CN109510214A (en) * | 2018-12-06 | 2019-03-22 | 浙江大学自贡创新中心 | One kind being based on high-pressure thyristor switched capacitor Thyrister valve photoelectric |
-
2012
- 2012-11-19 CN CN2012206125952U patent/CN202856709U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103236701A (en) * | 2013-04-10 | 2013-08-07 | 李国勇 | Triggering device and triggering control method for thyristor valve block of high-voltage TSC (thyristor switched capacitor) |
| CN103236701B (en) * | 2013-04-10 | 2015-04-22 | 李国勇 | Triggering device and triggering control method for thyristor valve block of high-voltage TSC (thyristor switched capacitor) |
| CN105281731A (en) * | 2014-05-28 | 2016-01-27 | 株洲变流技术国家工程研究中心有限公司 | Thyristor valve block trigger device and thyristor valve block trigger system |
| CN109510214A (en) * | 2018-12-06 | 2019-03-22 | 浙江大学自贡创新中心 | One kind being based on high-pressure thyristor switched capacitor Thyrister valve photoelectric |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Harbin Tetong Electric Co.,Ltd. Assignor: Li Guoyong Contract record no.: 2013230000859 Denomination of utility model: Photoelectric triggering device for thyristor valve of high-voltage TSC (thyristor switched capacitor) Granted publication date: 20130403 License type: Exclusive License Record date: 20130522 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151016 Address after: Haping Road Development Zone in Harbin City, Heilongjiang province 150069 District Wenzhou Road No. 9-1 Patentee after: Heilongjiang Tetong Electric Co.,Ltd. Address before: Haping Road Development Zone in Harbin City, Heilongjiang province 150069 District Wenzhou Road No. 9-1 Patentee before: Li Guoyong |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Songbei Ju Bao road 150069 Heilongjiang city of Harbin province No. 588 city of Harbin science and technology innovation enterprise accelerator Building No. 7 Patentee after: Heilongjiang Tetong Electric Co.,Ltd. Address before: Haping Road Development Zone in Harbin City, Heilongjiang province 150069 District Wenzhou Road No. 9-1 Patentee before: Heilongjiang Tetong Electric Co.,Ltd. |
|
| EM01 | Change of recordation of patent licensing contract |
Change date: 20160304 Contract record no.: 2013230000859 Assignor after: Heilongjiang Tetong Electric Co.,Ltd. Assignor before: Li Guoyong |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Harbin Tetong Electric Co.,Ltd. Assignor: Heilongjiang Tetong Electric Co.,Ltd. Contract record no.: 2013230000859 Date of cancellation: 20160315 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Songbei Ju Bao road 150069 Heilongjiang city of Harbin province No. 588 city of Harbin science and technology innovation enterprise accelerator Building No. 7 Patentee after: HEILONGJIANG TETONG ELECTRIC Co.,Ltd. Address before: Songbei Ju Bao road 150069 Heilongjiang city of Harbin province No. 588 city of Harbin science and technology innovation enterprise accelerator Building No. 7 Patentee before: Heilongjiang Tetong Electric Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |