CN203457127U - High-voltage solid-state electronic switch - Google Patents
High-voltage solid-state electronic switch Download PDFInfo
- Publication number
- CN203457127U CN203457127U CN201320564940.4U CN201320564940U CN203457127U CN 203457127 U CN203457127 U CN 203457127U CN 201320564940 U CN201320564940 U CN 201320564940U CN 203457127 U CN203457127 U CN 203457127U
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- Prior art keywords
- voltage
- thyristor
- diode
- electronic switch
- state electronic
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- 239000013307 optical fiber Substances 0.000 claims abstract description 12
- 238000012360 testing method Methods 0.000 description 8
- 230000010355 oscillation Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 230000009514 concussion Effects 0.000 description 2
- 229920003020 cross-linked polyethylene Polymers 0.000 description 2
- 239000004703 cross-linked polyethylene Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004870 electrical engineering Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model relates to a high-voltage solid-state electronic switch which is provided with a trigger device (6), a high-voltage connection terminal (7) and at least two thyristor grades (8). Each thyristor grade (8) is provided with two radiators (5). A light-controlled thyristor (2) and a diode (3) are clamped between the two radiators (5). A positive electrode of the light-controlled thyristor (2) and the negative electrode of the diode (3) are connected with the radiator (5) on one side in parallel, and a negative electrode of the light-controlled thyristor (2) and a positive electrode of the diode (3) are connected with the radiator (5) on the other side in parallel. A voltage-equalizing device (4) is connected between the two radiators (5) in series. The trigger device (6) is connected with the light-controlled thyristors (2) in series through optical fibers (1). The high-voltage solid-state electronic switch is reliable in operation, small in size, light in weight, easy in operation, and simple in structure, the optical fibers can directly trigger control, high voltage and low voltage are separated, and the safety is guaranteed.
Description
Technical field
The utility model belongs to electrical engineering technical field, relates in particular to a kind of high-voltage solid-state electronic switch that can be used for producing oscillating voltage, and this switch is applicable to the test of high voltage power cable wave of oscillation voltage wave Partial Discharge Detection.
Background technology
Along with the development of urban construction, urban distribution network expanding day, crosslinked polyethylene XLPE power cable due to its good insulation preformance, be easy to manufacture, the feature such as easy for installation, power supply safety is reliable, be more and more widely used in urban distribution network engineering.And wave of oscillation voltage wave Partial Discharge Detection accurately detection streamer partial discharge quantity and determine the power cable insulation state detection technique of partial discharge position ，Shi International Electrotechnical Commission recommend adoption.Wave of oscillation voltage wave is realized by the electric discharge of high-voltage switch gear closed pair power cable, and existing high-voltage switch gear has the circuit breaker that adopts spring operating mechanism, and its operate time is long and volume is larger, is unfavorable for field test.Or adopting automatically controlled thyristor valve group as high-voltage switch gear, it is cumbersome that its thyristor triggers control, only, for realizing high-low pressure isolation, is also required to be the special triggering power supply plan of Design of Thyristor in high potential, complicated integral structure.
Utility model content
The technical problems to be solved in the utility model is, for the defect of prior art, provides a kind of high-voltage solid-state electronic switch that can be used for producing oscillating voltage, and this switch control mode should be simple, and realizes high-low pressure isolation completely, can guarantee handling safety.
The technical solution of the utility model is, described high-voltage solid-state electronic switch, referring to Fig. 1, has a trigger equipment 6, high-voltage terminal 7 and at least two thyristor levels 8, and each thyristor level 8 has the block radiators 5 of two rectangular slabs.Between these two radiators 5, clamping has a photo thyristor 2 and a diode 3.The negative electrode of the anode of described photo thyristor 2 and described diode 3 side radiator 5 that is connected in parallel, the anode of the negative electrode of described photo thyristor 2 and the described diode 3 opposite side radiator 5 that is connected in parallel.These two radiators 5 are connected in series a voltage balancer part 4 between photo thyristor 2 in parallel and the other end of diode 3 one end respectively.Voltage balancer part 4 between described second radiator 5, be for realize between each thyristor level 8 dynamically and static state voltage equipoise, guarantee that thyristor levels 8 at different levels bear identical magnitude of voltage.Upper and lower two parts radiator 5 provides the heat that clamp and distribute photo thyristor 2 and diode 3 generations for photo thyristor 2 and diode 3.This high-voltage solid-state electronic switch is composed in series by least two thyristor levels 8 and a trigger equipment 6 as mentioned above.Described trigger equipment 6 is connected in series the input of the photo thyristor 2 of each thyristor level 8 clampings by optical fiber 1 by its output.Described high-voltage terminal 7 is arranged in outermost thyristor level 8 and is connected with the input of the outer radiator 5 of this thyristor level 8, to facilitate external high-tension electricity while using.Once this high-voltage solid-state electronic switch comes into operation, once trigger equipment 6 receives Background control order, be about to trigger command and be converted into light signal, by optical fiber 1, trigger each photo thyristor simultaneously, make this high-voltage solid-state electronic switch closes produce oscillating voltage ripple.
When high-voltage D.C. generator of the present utility model uses, first the test of the power cable wave of oscillation applies test required voltage value by high-voltage D.C. generator to power cable, conducting high-voltage solid-state electronic switch after cable stops charging, makes cable and high voltage reactor form series loop and produces voltage oscillation.High-voltage solid-state electronic switch is not needing to bear the high direct voltage being applied on power cable before conducting, trigger equipment is accepted after the order of conducting high-voltage solid-state electronic switch, give all photo thyristor input light triggering signals simultaneously, thyristor conducting, reverse current flows through diode in parallel, therefore only need when photo thyristor is born forward voltage, apply light triggering signal, can make this high-voltage solid-state electronic switch always in conducting state, produce oscillating voltage ripple.
The beneficial effects of the utility model are:
1) therefore, without spring-operated Yi Lei engineering properties mechanism, to participate in operation very reliable;
2), volume is little, lightweight, is easy to field test operation;
3), simple in structure, can not have under the condition of additional power source, directly by optical fiber can trigger control and control reliable;
4), adopt optical fiber to trigger, met the isolation between high low-voltage, guaranteed the safety of the person and equipment.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a specific embodiment of the utility model high-voltage solid-state electronic switch, in figure, is denoted as:
1-optical fiber,
2-photo thyristor,
3-diode,
4-voltage balancer,
5-radiator,
6-trigger equipment,
7-high-voltage terminal,
8-thyristor level.
Embodiment
Referring to Fig. 1, the thyristor level 8 of establishing this embodiment of the utility model high-voltage solid-state electronic switch is three.The T588N06-18TOF module of the German EUPEC of the photo thyristor 2 employing Infineon photo thyristor controllable silicon series module of this embodiment.The flat diode of ZP8500 type that diode 3 adopts Chinese Zhuzhou south car epoch power electronics division department of electric limited company to produce.Voltage balancer part 4 adopts commercially available general resistance capacitance to be composed in series, and wherein resistance selects the emerging company in Zhenyang, Shenzhen to produce RI80 type resistance, resistance 100k Ω; Electric capacity is selected the noninductive high-frequency and high-voltage absorption capacitor of U.S. CDE, capacitance 2.2 μ F.The block modularization aluminium radiator of rectangular slab that the radiator 5 Chinese Zhuzhou of employing Zhong Rui heat transfer technology Co., Ltds produce.High-voltage solid-state electronic switch can be determined required thyristor level series connection quantity according to on-the-spot power cable concussion voltage test required voltage grade, for example, carry out the 30kV concussion voltage test 6 grades of thyristor devices of need to connecting.The TR-I type trigger controller that trigger equipment 6 adopts Hunan China Hunan electric test research institute to develop.And optical fiber 1 adopts commercially available universal optical fibre; High-voltage terminal 7 adopts commercially available general high-voltage connection plate.Described optical fiber 1, photo thyristor 2, diode 3, voltage balancer 4, radiator 5, trigger equipment 6, high-voltage terminal 7, by technique scheme, connect with reference to connected mode shown in accompanying drawing 1.Wherein thyristor level 8 is three as mentioned above.Each thyristor level 8 has two mutually stacked rectangle radiators 5.Between second radiator 5, clamp a photo thyristor 2 and a diode 3.The negative electrode of the anode of photo thyristor 2 and diode 3 side radiator 5 that is connected in parallel, the anode of the negative electrode of photo thyristor 2 and the diode 3 opposite side radiator 5 that is connected in parallel.Two radiators 5 are connected in series voltage balancer part 4 between photo thyristor 2 in parallel and the other end of diode 3 one end respectively.Trigger equipment 6 is connected in series the input of the photo thyristor 2 of each thyristor level 8 clampings by optical fiber 1 by its output.High-voltage terminal 7 is arranged in outermost thyristor level 8 and is connected with the input of the outer radiator 5 of this thyristor level 8.
This example high-voltage solid-state electronic switch of the present utility model of said structure, is proved to be respond well through manufacturing experimently to try out, esy to use, safe and reliable, reaches designing requirement completely.
Claims (1)
1. a high-voltage solid-state electronic switch, it is characterized in that, it has a trigger equipment (6), a high-voltage terminal (7) and at least two thyristor levels (8), each thyristor level (8) has the block radiator (5) of two rectangular slabs, between these two radiators (5), clamping has a photo thyristor (2) and a diode (3), the negative electrode of the anode of described photo thyristor (2) and described diode (3) side radiator (5) that is connected in parallel, the anode of the negative electrode of described photo thyristor (2) and described diode (3) the opposite side radiator (5) that is connected in parallel, between this two radiators (5) difference photo thyristor in parallel (2) and the other end of diode (3) one end, be connected in series a voltage balancer part (4), described trigger equipment (6) is connected in series the input of the photo thyristor (2) of each thyristor level (8) clamping by optical fiber (1) by its output, it is upper and be connected with the input of the outer radiator (5) of this thyristor level (8) that described high-voltage terminal (7) is arranged on outermost thyristor level (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320564940.4U CN203457127U (en) | 2013-09-12 | 2013-09-12 | High-voltage solid-state electronic switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320564940.4U CN203457127U (en) | 2013-09-12 | 2013-09-12 | High-voltage solid-state electronic switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203457127U true CN203457127U (en) | 2014-02-26 |
Family
ID=50136969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320564940.4U Expired - Fee Related CN203457127U (en) | 2013-09-12 | 2013-09-12 | High-voltage solid-state electronic switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203457127U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475348A (en) * | 2013-09-12 | 2013-12-25 | 国家电网公司 | High-voltage solid-state electronic switch |
-
2013
- 2013-09-12 CN CN201320564940.4U patent/CN203457127U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475348A (en) * | 2013-09-12 | 2013-12-25 | 国家电网公司 | High-voltage solid-state electronic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20180912 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |