CN101865973A - Portable instrument for testing triggering performance of thyristors - Google Patents
Portable instrument for testing triggering performance of thyristors Download PDFInfo
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- CN101865973A CN101865973A CN 201010192807 CN201010192807A CN101865973A CN 101865973 A CN101865973 A CN 101865973A CN 201010192807 CN201010192807 CN 201010192807 CN 201010192807 A CN201010192807 A CN 201010192807A CN 101865973 A CN101865973 A CN 101865973A
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- circuit board
- thyristors
- power supply
- portable instrument
- thyristor
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Abstract
The invention provides a portable instrument for testing the triggering performance of thyristors. The instrument comprises a circuit board, a power source of the circuit board for providing power supply for the circuit board, an isolation transformer for providing power supply for the thyristors, an LCD (liquid crystal display) screen and a phase-adjustment potentiometer, wherein the power source of the circuit board is connected with the circuit board; and the circuit board is connected with the LCD screen and the phase-adjustment potentiometer. The instrument is smaller in size, is capable of displaying the waveform on a real-time basis and is provided with an indicator lamp for indicating the conducting state, so that the thyristor-level state can be conveniently and rapidly judged by maintenance personnel; and for the thyristor-level parameters are different from each other, the portable instrument of the invention is more adaptable to tests under various conditions by using the phase-adjustment potentiometer to adjust the trigger phase.
Description
Technical field
The present invention relates to technical field of power systems, relate in particular to a kind of portable instrument for testing triggering performance of thyristors.
Background technology
When the high voltage direct current transmission project annual overhaul, need do test, to judge whether to need to change the thyristor element to the triggering performance of a large amount of thyristor levels.
That present existing thyristor level tester major part exists is bulky, not portable, it is directly perceived to show, wiring is loaded down with trivial details, trigger the shortcoming that phase place is non-adjustable and be difficult to test fast at the scene.
Therefore, the thyristor level tester that is necessary to design a kind of miniature portable makes and carries out the efficient that the thyristor level detects at engineering site and improve greatly.
Summary of the invention
The purpose of this invention is to provide a kind of portable instrument for testing triggering performance of thyristors, it is simple in structure, portable, intuitive display, the triggering phase place is adjustable, is convenient to test fast at the scene.
To achieve these goals, the present invention adopts following technical scheme: a kind of portable instrument for testing triggering performance of thyristors, comprise circuit board, provide the circuit board of power supply that isolating transformer, LCD display and the phase adjusted potentiometer of power supply are provided with power supply, for thyristor for circuit board, described circuit board power supply connecting circuit plate, described circuit board connects LCD display and phase adjusted potentiometer; Described circuit board comprises first current transformer, zero-crossing comparator, FPGA, first AD converter (13), electro-optical conversioning device, second current transformer and second AD converter, described phase adjusted potentiometer, first AD converter, FPGA are connected successively with electro-optical conversioning device, first current transformer, zero-crossing comparator and FPGA are connected successively, and second current transformer, second AD converter are connected successively with FPGA; Described FPGA comprises that the time-delay logic of connection and pulse produce logic, and described zero-crossing comparator all is connected the time-delay logic with first AD converter, and described electro-optical conversioning device connects described pulse and produces logic.
Described portable instrument for testing triggering performance of thyristors also comprises a housing, described circuit board, circuit board are contained in the described housing with power supply and isolating transformer, described housing has a panel, and described LCD display and phase adjusted potentiometer are installed on the described panel.
Thyristor conducting display lamp, total power switch and total power light also are installed on the described housing.
Described electro-optical conversioning device is a light emitting diode.
Compared with prior art, tester volume of the present invention is more small and exquisite, weight greatly alleviates, can be placed on the lift truck and operate, since display waveform in real time, and have pilot lamp to indicate conducting state, make the maintainer can judge the state of thyristor level easily and fast, because the parameter difference of each thyristor level is regulated and is triggered the test that phase place makes it more can to adapt to various conditions.
Description of drawings
Fig. 1 is the structural representation of portable instrument for testing triggering performance of thyristors of the present invention; Fig. 2 is the circuit diagram of portable instrument for testing triggering performance of thyristors of the present invention.
Wherein: L is a live wire; N is a zero line; B1 is a circuit board; PW1 is the circuit board power supply; T1 is an isolating transformer; Led1 is a thyristor conducting pilot lamp; X3, X4 are binding post; S2 is the isolating transformer power switch; S3 is the power panel reset button; R3 is the phase adjusted potentiometer; D3 is a total power light; D10 is a thyristor level pilot lamp; 11 is first current transformer; 12 is zero-crossing comparator; 3 is FPGA; 13 is first AD converter; 14 is electro-optical conversioning device; 21 is second current transformer; 22 is second AD converter.
Embodiment
Below in conjunction with accompanying drawing the present invention is done and to describe in further detail.
See also shown in Figure 1ly, portable instrument for testing triggering performance of thyristors of the present invention comprises that circuit board B1, circuit board are with power supply PW1 and isolating transformer T1.Circuit board B1 adopts the FPGA3 device, has simplified circuit structure greatly, makes inner structure simple, long-pending the reducing in device body road.
Circuit board B1, circuit board are contained in the housing with power supply PW1 and isolating transformer T1, housing has a panel, and LCD display, reset button S3, phase adjusted potentiometer R3, thyristor conducting display lamp LED1, total power switch and total power light are installed on the panel.
Portable instrument for testing triggering performance of thyristors of the present invention adopts the 220V power supply, and being divided into three tunnel, one tunnel supply isolating transformer T1 behind the 220V power supply access tester provides voltage for thyristor; One road supply circuit plate power supply PW1 is used for carrying circuit board B1 work required 5V, 15V power supply; Another road enters circuit board B1, by first current transformer 11 in the circuit board voltage is reduced, and exports a square wave FP to the time-delay logic among the FPGA3 through zero-crossing comparator 12 again.
Phase adjusted potentiometer R3 two ends connect 5V voltage, and mid point connects the data that first AD converter, 13, the first AD converter 13 carry out after the A/D conversion and directly sends FPGA3 to, is used to set delay time.The time-delay logic is gathered the output of one time first AD converter 13 in each sine wave period, set delay time t, and the logic of delaying time is delayed time FP and is output as square wave FP1 behind the t.The pulse of FPGA3 produces logical foundation FP1 and produces the relative trigger signal, and electro-optical conversioning device 14 produces trigger pip that logic sends with pulse and is converted to light signal and delivers to TE plate on the thyristor level by optical cable, to trigger the thyristor conducting.Electro-optical conversioning device 14 is a light emitting diode.
Two binding post X3, the X4 of isolating transformer T1 connect the negative electrode and the anode of thyristor respectively, are the thyristor power supply.The negative electrode of thyristor and the voltage signal between anode by second current transformer 21 after through entering among the FPGA3 after the conversion of second AD converter 22, process signal Processing in FPGA3, drive the LCD LCD on the panel, dynamically show thyristor the two poles of the earth voltage waveform.
Test process is as follows: 1, connect external 220V power supply; 2, with light-emitting tube and thyristor level light receiving tube to be tested on the optical fiber connection tester circuit board, connect X4 to thyristor level anode with lead, X3 is to thyristor level negative electrode; 3, open total power switch, the total power light D3 on the panel is bright, is shown as straight line on the LCD, at this moment thyristor level two ends no-voltage; 4, open the power switch S2 of isolating transformer T1, the thyristor level is charged, and D10 is bright for thyristor level pilot lamp, and this moment, then the LCD display waveform was notched sine wave if the thyristor level is triggered, and simultaneously, LED1 is bright for thyristor conducting pilot lamp; If thyristor is not triggered, then LCD shows sine wave, and thyristor conducting pilot lamp LED1 extinguishes.
Claims (4)
1. portable instrument for testing triggering performance of thyristors, it is characterized in that: comprise circuit board (B1), provide the circuit board of power supply that isolating transformer (T1), LCD display and the phase adjusted potentiometer (R3) of power supply are provided with power supply (PW1), for thyristor for circuit board (B1), described circuit board connects LCD display and phase adjusted potentiometer (R3) with power supply (PW1) connecting circuit plate (B1), described circuit board (B1); Described circuit board (B1) comprises first current transformer (11), zero-crossing comparator (12), FPGA (3), first AD converter (13), electro-optical conversioning device (14), second current transformer (21) and second AD converter (22), described phase adjusted potentiometer (R3), first AD converter (13), FPGA (3) and electro-optical conversioning device (14) are connected successively, first current transformer (11), zero-crossing comparator (12) and FPGA (3) are connected successively, and second current transformer (21), second AD converter (22) and FPGA (3) are connected successively; Described FPGA (3) comprises that the time-delay logic of connection and pulse produce logic, and described zero-crossing comparator (12) all is connected the time-delay logic with first AD converter (13), and described electro-optical conversioning device (14) connects described pulse and produces logic.
2. portable instrument for testing triggering performance of thyristors according to claim 1, it is characterized in that: described portable instrument for testing triggering performance of thyristors also comprises a housing, described circuit board (B1), circuit board are contained in the described housing with power supply (PW1) and isolating transformer (T1), described housing has a panel, and described LCD display and phase adjusted potentiometer R3 are installed on the described panel.
3. portable instrument for testing triggering performance of thyristors according to claim 1 is characterized in that: thyristor conducting display lamp, total power switch and total power light also are installed on the described housing.
4. as portable instrument for testing triggering performance of thyristors as described in each in the claim 1 to 3, it is characterized in that: described electro-optical conversioning device (14) is a light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192807 CN101865973B (en) | 2010-06-08 | 2010-06-08 | Portable instrument for testing triggering performance of thyristors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010192807 CN101865973B (en) | 2010-06-08 | 2010-06-08 | Portable instrument for testing triggering performance of thyristors |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865973A true CN101865973A (en) | 2010-10-20 |
| CN101865973B CN101865973B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010192807 Active CN101865973B (en) | 2010-06-08 | 2010-06-08 | Portable instrument for testing triggering performance of thyristors |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901883A (en) * | 2011-12-24 | 2013-01-30 | 许继集团有限公司 | Trigger test device for thyristor unit of converter valve |
| CN103630818A (en) * | 2013-11-30 | 2014-03-12 | 国网河南省电力公司南阳供电公司 | Multifunctional portable thyristor tester and test method thereof |
| CN103698683A (en) * | 2013-12-29 | 2014-04-02 | 王志 | Small-power unidirectional and bidirectional controlled silicon test device |
| CN105182211A (en) * | 2015-10-29 | 2015-12-23 | 江苏省电力公司电力科学研究院 | Testing device used for triggering detection of thyristor in UPFC (Unified Power Flow Controller) converter valve sub-module |
| CN106662611A (en) * | 2014-09-04 | 2017-05-10 | 西门子公司 | Method for testing a high-power semiconductor element |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067410U (en) * | 1990-06-09 | 1990-12-12 | 遂宁电力公司 | Angle-of-flow measurer for three phase thyristor |
| JP2003164196A (en) * | 2001-11-21 | 2003-06-06 | Toshiba Corp | Test method for thyristor starting device |
| JP2003294807A (en) * | 2002-03-29 | 2003-10-15 | Kansai Electric Power Co Inc:The | Semiconductor device degradation diagnosing apparatus |
| CN101295003A (en) * | 2007-04-23 | 2008-10-29 | 北京顺北方科技有限公司 | On-line monitoring method for thyristor of synchronous motor |
-
2010
- 2010-06-08 CN CN 201010192807 patent/CN101865973B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2067410U (en) * | 1990-06-09 | 1990-12-12 | 遂宁电力公司 | Angle-of-flow measurer for three phase thyristor |
| JP2003164196A (en) * | 2001-11-21 | 2003-06-06 | Toshiba Corp | Test method for thyristor starting device |
| JP2003294807A (en) * | 2002-03-29 | 2003-10-15 | Kansai Electric Power Co Inc:The | Semiconductor device degradation diagnosing apparatus |
| CN101295003A (en) * | 2007-04-23 | 2008-10-29 | 北京顺北方科技有限公司 | On-line monitoring method for thyristor of synchronous motor |
Non-Patent Citations (4)
| Title |
|---|
| 《仪表技术》 20001231 曹建平 便携式晶闸管测试仪 28-29 1-3 , 第1期 2 * |
| 《哈尔滨理工大学学报》 20090630 王卫兵等 单片机和FPGA的可控硅触发电路的设计与实现 1-4 第14卷, 第3期 2 * |
| 《微计算机信息》 20081231 袁新娣 基于FPGA的晶闸管过零触发调功电路设计 311,312,211 第24卷, 第10-2期 2 * |
| 《甘肃科学学报》 20080630 杨新华等 三相晶闸管数字移相触发的实现 135-138 第20卷, 第2期 2 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901883A (en) * | 2011-12-24 | 2013-01-30 | 许继集团有限公司 | Trigger test device for thyristor unit of converter valve |
| CN102901883B (en) * | 2011-12-24 | 2015-01-21 | 许继电气股份有限公司 | Trigger test device for thyristor unit of converter valve |
| CN103630818A (en) * | 2013-11-30 | 2014-03-12 | 国网河南省电力公司南阳供电公司 | Multifunctional portable thyristor tester and test method thereof |
| CN103630818B (en) * | 2013-11-30 | 2016-11-23 | 淅川县电业局 | A kind of Multi-functional portable IGCT tester and method of testing thereof |
| CN103698683A (en) * | 2013-12-29 | 2014-04-02 | 王志 | Small-power unidirectional and bidirectional controlled silicon test device |
| CN106662611A (en) * | 2014-09-04 | 2017-05-10 | 西门子公司 | Method for testing a high-power semiconductor element |
| CN106662611B (en) * | 2014-09-04 | 2019-07-19 | 西门子公司 | Method for being tested high power semiconductor component |
| CN105182211A (en) * | 2015-10-29 | 2015-12-23 | 江苏省电力公司电力科学研究院 | Testing device used for triggering detection of thyristor in UPFC (Unified Power Flow Controller) converter valve sub-module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101865973B (en) | 2012-06-27 |
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