CN204086474U - A kind of controllable silicon low pressure triggering test device - Google Patents
A kind of controllable silicon low pressure triggering test device Download PDFInfo
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- CN204086474U CN204086474U CN201420587333.4U CN201420587333U CN204086474U CN 204086474 U CN204086474 U CN 204086474U CN 201420587333 U CN201420587333 U CN 201420587333U CN 204086474 U CN204086474 U CN 204086474U
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- controllable silicon
- low pressure
- isolating transformer
- voltage
- power
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 53
- 239000010703 silicon Substances 0.000 title claims abstract description 53
- 230000001360 synchronised effect Effects 0.000 claims abstract description 16
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Abstract
The utility model discloses a kind of controllable silicon low pressure triggering test device, it comprises AC power, isolating transformer, air switch, controllable silicon, gating pulse generation module, photoelectric conversion module and valve control system, the two ends of AC power connect the elementary two ends of isolating transformer, to connect between the two ends that isolating transformer is secondary air switch and controllable silicon, the signal output part of described gating pulse generation module passes through the signal input part of photoelectric conversion module connection valve Ore-controlling Role, the signal output part of described valve control system connects silicon controlled control end, it also comprises synchronizing voltage collector, the two ends of described synchronizing voltage collector input interface connect the two ends of AC power, the voltage synchronous signal input part of the voltage synchronous signal output part connection control pulse generating module of synchronizing voltage collector.It is synchronous that the utility model can make trial voltage and gating pulse realize, and guarantees that controllable silicon low pressure triggers the accuracy of test.
Description
Technical field
The utility model relates to technical field of direct current power transmission, refers to a kind of controllable silicon low pressure triggering test device particularly.
Background technology
Existing controllable silicon low pressure triggering test device, as shown in Figure 1.Be made up of AC power 1, isolating transformer 2, air switch 3, pilot lamp 4, controllable silicon 5, gating pulse generation module 6, photoelectric conversion module 7 and valve control system 8, SCR control pulse in this device produces by gating pulse generation module 6 is independent, there is silicon controlled trial voltage and be difficult to synchronous problem with gating pulse in this test unit, result in controllable silicon low pressure triggering test inaccurate.
Utility model content
The purpose of this utility model will provide a kind of controllable silicon low pressure triggering test device exactly, and it is synchronous that this device can make trial voltage and gating pulse realize, and guarantees that controllable silicon low pressure triggers the accuracy of test.
For realizing this object, controllable silicon low pressure triggering test device designed by the utility model, it comprises AC power, isolating transformer, air switch, controllable silicon, gating pulse generation module, photoelectric conversion module and valve control system, wherein, the two ends of AC power connect the elementary two ends of isolating transformer, to connect between the two ends that isolating transformer is secondary air switch and controllable silicon, the signal output part of described gating pulse generation module passes through the signal input part of photoelectric conversion module connection valve Ore-controlling Role, the signal output part of described valve control system connects silicon controlled control end, it is characterized in that: it also comprises synchronizing voltage collector, the two ends of described synchronizing voltage collector input interface connect the two ends of AC power, the voltage synchronous signal input part of the voltage synchronous signal output part connection control pulse generating module of synchronizing voltage collector.
The beneficial effects of the utility model:
The utility model sets up synchronizing voltage collector on the basis of original controllable silicon low pressure triggering test device, synchronizing voltage collector gathers the voltage signal of AC power and the voltage signal of described AC power is transferred to gating pulse generation module, gating pulse occurs to carry out synchronous with this voltage signal by gating pulse generation module, then to the SCR control pulse signal that controllable silicon conveying is synchronous with above-mentioned voltage signal.The SCR control pulse signal that the utility model obtains can ensure synchronous with silicon controlled trial voltage, ensure that controllable silicon low pressure triggers the accuracy of test findings.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing controllable silicon low pressure triggering test device;
Fig. 2 is structural representation of the present utility model;
Wherein, 1-AC power, 2-isolating transformer, 3-air switch, 4-pilot lamp, 5-controllable silicon, 6-gating pulse generation module, 7-photoelectric conversion module, 8-valve control system, 9-synchronizing voltage collector.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
Controllable silicon low pressure triggering test device as shown in Figure 2, it comprises AC power 1, isolating transformer 2, air switch 3, controllable silicon 5, gating pulse generation module 6, photoelectric conversion module 7 and valve control system 8, wherein, the two ends of AC power 1 connect the elementary two ends of isolating transformer 2, to connect between the two ends of isolating transformer 2 levels air switch 3 and controllable silicon 5, the signal output part of described gating pulse generation module 6 passes through the signal input part of photoelectric conversion module 7 connection valve Ore-controlling Role 8, the signal output part of described valve control system 8 connects the control end of controllable silicon 5, it also comprises synchronizing voltage collector 9, the two ends of described synchronizing voltage collector 9 input interface connect the two ends of AC power 1, the voltage synchronous signal input part of the voltage synchronous signal output part connection control pulse generating module 6 of synchronizing voltage collector 9.
In technique scheme, isolating transformer 2, for when controllable silicon 5 conducting short circuit, does not have an impact to existing power frequency supply.Air switch 3 is for providing overcurrent protection to device.
In technique scheme, valve control system 8 is produced by Nan Rui company for existing equipment, the large-scale intelligent automatic control system be made up of programmable I/O (input and output).This system major control silicon controlled triggered time, the electric current and voltage of regulation output.
In technique scheme, it also comprises pilot lamp 4, and described pilot lamp 4 is connected between the two ends of isolating transformer 2 levels together with air switch 3 and controllable silicon 5.This pilot lamp 4 is used to indicate controllable silicon whether conducting in experimentation, and whether impedance loop is normal.
The course of work of the present utility model is: utilize synchronizing voltage collector 9 to gather the supply voltage signal (i.e. the voltage signal of AC power 1) synchronous with controllable silicon low pressure triggering test device, and above-mentioned voltage signal is transferred to gating pulse generation module 6, gating pulse occurs to carry out synchronous with this voltage signal by gating pulse generation module 6, and under simulation normal operating condition, controllable silicon 5 triggers required synchro control pulse signal; Then, above-mentioned synchro control pulse signal is converted into the light signal that valve control system 8 can identify by photoelectric conversion module 7, and with the optical signal transmission patterns match required by valve control system 8, realize the communication of gating pulse light signal and valve control system under normal operating condition, thus make valve control system 8 export control signal to controllable silicon 5, and then carry out controllable silicon 5 low pressure triggering test smoothly.
Controllable silicon 5 only should have the performance of one-way conduction; When controllable silicon 5 not conducting, forward and reverse blocking voltage can be born; If there is forward voltage controllable silicon 5 both sides, when simultaneously gate pole has enough large trigger current (an about 8A), then controllable silicon 5 conducting.The electric current only flowing through valve just turns off when reducing to zero.
Controllable silicon 5 low pressure triggers test: the alternating voltage loading minimum about 60V on controllable silicon 5 the two poles of the earth, makes controllable silicon 5 trigger to the pulse current of gate pole an about 8A, and controllable silicon 5 conducting originally blocked, the voltage at controllable silicon 5 two ends is 0.If be not that 0 explanation controllable silicon 5 does not have triggered as normal, controllable silicon 5 fault.
The content that this instructions is not described in detail belongs to the known prior art of professional and technical personnel in the field.
Claims (2)
1. a controllable silicon low pressure triggering test device, it comprises AC power (1), isolating transformer (2), air switch (3), controllable silicon (5), gating pulse generation module (6), photoelectric conversion module (7) and valve control system (8), wherein, the two ends of AC power (1) connect the elementary two ends of isolating transformer (2), to connect between the two ends that isolating transformer (2) is secondary air switch (3) and controllable silicon (5), the signal output part of described gating pulse generation module (6) passes through the signal input part of photoelectric conversion module (7) connection valve Ore-controlling Role (8), the signal output part of described valve control system (8) connects the control end of controllable silicon (5), it is characterized in that: it also comprises synchronizing voltage collector (9), the two ends of described synchronizing voltage collector (9) input interface connect the two ends of AC power (1), the voltage synchronous signal input part of voltage synchronous signal output part connection control pulse generating module (6) of synchronizing voltage collector (9).
2. controllable silicon low pressure triggering test device according to claim 1, it is characterized in that: it also comprises pilot lamp (4), described pilot lamp (4) is connected between the secondary two ends of isolating transformer (2) together with air switch (3) and controllable silicon (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587333.4U CN204086474U (en) | 2014-10-11 | 2014-10-11 | A kind of controllable silicon low pressure triggering test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420587333.4U CN204086474U (en) | 2014-10-11 | 2014-10-11 | A kind of controllable silicon low pressure triggering test device |
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| Publication Number | Publication Date |
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| CN204086474U true CN204086474U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420587333.4U Active CN204086474U (en) | 2014-10-11 | 2014-10-11 | A kind of controllable silicon low pressure triggering test device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024647A (en) * | 2017-03-23 | 2017-08-08 | 国网江苏省电力公司电力科学研究院 | The TBS whole groups triggering test method of dry run operating mode |
-
2014
- 2014-10-11 CN CN201420587333.4U patent/CN204086474U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024647A (en) * | 2017-03-23 | 2017-08-08 | 国网江苏省电力公司电力科学研究院 | The TBS whole groups triggering test method of dry run operating mode |
| CN107024647B (en) * | 2017-03-23 | 2019-08-09 | 国网江苏省电力有限公司电力科学研究院 | The TBS whole group of dry run operating condition triggers test method |
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