CN109581177A - IGBT power module dipulse automatically testing platform and its test method - Google Patents
IGBT power module dipulse automatically testing platform and its test method Download PDFInfo
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- CN109581177A CN109581177A CN201811536402.8A CN201811536402A CN109581177A CN 109581177 A CN109581177 A CN 109581177A CN 201811536402 A CN201811536402 A CN 201811536402A CN 109581177 A CN109581177 A CN 109581177A
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 238000010998 test method Methods 0.000 title description 4
- 238000001514 detection method Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 7
- 210000001367 artery Anatomy 0.000 claims description 4
- 210000003462 vein Anatomy 0.000 claims description 4
- 238000013459 approach Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000012827 research and development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2601—Apparatus or methods therefor
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a kind of IGBT power module dipulse automatically testing platforms, including PLC, touch screen, oscillograph, load inductance, DC power supply AC/DC, voltage sensor, discharge resistance and dipulse driving circuit, PLC is separately connected touch screen and DC power supply AC/DC, DC power supply AC/DC is separately connected discharge resistance and voltage sensor, discharge resistance ground connection, voltage sensor is separately connected tested IGBT power module and PLC, voltage sensor also connects tested IGBT power module by load inductance, PLC also passes through dipulse driving circuit and connects tested IGBT power module, oscillograph connects tested IGBT power module.The present invention can in high precision, expeditiously test tested IGBT power module by the way that the equipment of test platform is effectively connected cooperation, and the related data obtained to test is analyzed, and can effectively determine whether the IGBT power module meets requirement.
Description
Technical field
The invention belongs to the technical fields of power module test platform, more particularly, to a kind of IGBT power module dipulse
Automatically testing platform and its test method.
Background technique
Currently, wind-power market competition is very fierce, each major company increases the investment to current transformer research and development, and product renewing changes
In generation, is more frequent.Each company equally increases the investment to current transformer research and development to keep the occupation rate of wind-power market.In unsteady flow
It in device R&D process, needs to test product, whether verifying product matches with design scheme.For the test item of product
It is more, including product systems test, EMC test, environmental test test, white-box testing and IGBT power module test.Wherein,
IGBT(Insulated Gate Bipolar Transistor, insulated gate bipolar transistor) power module is current transformer
Core component is the main devices for realizing ac-dc conversion, is the important test object in system whitepack, needs to put into more money
Source is tested.
Summary of the invention
The present invention be solve low efficiency in high power module test, the problems such as safety is low and data analysis is cumbersome,
And provide a kind of IGBT power module dipulse automatically testing platform and its test method.
The present invention is adopted the technical scheme that solve the technical problems existing in the prior art:
IGBT power module dipulse automatically testing platform of the invention, including it is PLC, touch screen, oscillograph, load inductance, straight
Galvanic electricity source AC/DC, voltage sensor, discharge resistance and dipulse driving circuit, PLC are separately connected touch screen and DC power supply
AC/DC, DC power supply AC/DC are separately connected discharge resistance and voltage sensor, discharge resistance ground connection, and voltage sensor connects respectively
Tested IGBT power module and PLC are met, voltage sensor also connects tested IGBT power module by load inductance, and PLC is also logical
It crosses dipulse driving circuit and connects tested IGBT power module, oscillograph connects tested IGBT power module.
First contactor is provided between the DC power supply AC/DC and voltage sensor, PLC control connection first connects
Tentaculum.
Second contactor, PLC control connection second contactor are provided between the first contactor and discharge resistance.
The PLC passes through RS485 communication cable connection DC power supply AC/DC and dipulse driving circuit respectively.
The dipulse driving circuit connects tested IGBT power module by fiber optic cables.
IGBT power module dipulse automatic test approach of the invention, the specific steps are as follows:
Firstly, configuration oscillograph and load inductance, open test platform power supply, dipulse driving circuit is configured by touch screen
T1, T2, T3 numerical value and IGBT power module test voltage Vdc numerical value；
Secondly, voltage sensor detects the voltage of tested IGBT power module, and the tested IGBT power module voltage that will test
It is sent to PLC, when the tested IGBT power module voltage of detection is more than or equal to 5V, PLC controls second contactor closure, electric discharge
Resistance discharges, until disconnecting second contactor when the tested IGBT power module voltage of detection is less than 5V；
Again, PLC controls first contactor closure, and PLC control DC power supply AC/DC fills tested IGBT power module
Electricity, voltage sensor detects charging voltage, and the charging voltage that will test is sent to PLC, and the charging voltage of PLC judgement detection is
The no Vdc numerical value for reaching setting, if then PLC controls first contactor disconnection, if otherwise voltage sensor detects charging again
Voltage, and the charging voltage that will test is sent to PLC, until the charging voltage of detection reaches the Vdc numerical value of setting；
Then, PLC triggers dipulse driving circuit by T1, T2, T3 numerical value configured and sends arteries and veins to tested IGBT power module
Punching, oscillograph detect the Wave data of tested IGBT power module, and PLC controls second contactor closure, and discharge resistance is put
Electricity analyzes waveform data.
The advantages and positive effects of the present invention are:
Dipulse automatically testing platform of the invention can carry out dependence test to IGBT power module and measure its dynamic current equalizing, quiet
State flows and itself stray inductance etc. of power module can be high-precision by the way that the equipment of test platform is effectively connected cooperation
Degree expeditiously tests tested IGBT power module, and the related data obtained to test is analyzed, and can effectively determine this
Whether IGBT power module meets requirement.
Detailed description of the invention
Fig. 1 is circuit diagram of the invention；
Fig. 2 is flow diagram of the invention.
Specific embodiment
Referring to the drawings and embodiment the present invention will be described in detail.
As shown in Figure 1, IGBT power module dipulse automatically testing platform of the invention, including PLC, touch screen, oscillography
Device, load inductance, DC power supply AC/DC, voltage sensor, discharge resistance and dipulse driving circuit, PLC are separately connected touch
Screen and DC power supply AC/DC, DC power supply AC/DC are separately connected discharge resistance and voltage sensor, discharge resistance ground connection, voltage
Sensor is separately connected tested IGBT power module and PLC, and voltage sensor also connects tested IGBT power by load inductance
Module, PLC also pass through dipulse driving circuit and connect tested IGBT power module, and oscillograph connects tested IGBT power module.
First contactor is provided between the DC power supply AC/DC and voltage sensor, PLC control connection first connects
Tentaculum.
Second contactor, PLC control connection second contactor are provided between the first contactor and discharge resistance.
The PLC passes through RS485 communication cable connection DC power supply AC/DC and dipulse driving circuit respectively.
The dipulse driving circuit connects tested IGBT power module by fiber optic cables.
As shown in Fig. 2, IGBT power module dipulse automatic test approach of the invention, the specific steps are as follows:
Firstly, configuration oscillograph and load inductance, open test platform power supply, dipulse driving circuit is configured by touch screen
T1, T2, T3 numerical value and IGBT power module test voltage Vdc numerical value；
Secondly, voltage sensor detects the voltage of tested IGBT power module, and the tested IGBT power module voltage that will test
It is sent to PLC, when the tested IGBT power module voltage of detection is more than or equal to 5V, PLC controls second contactor closure, electric discharge
Resistance discharges, until disconnecting second contactor when the tested IGBT power module voltage of detection is less than 5V；
Again, PLC controls first contactor closure, and PLC control DC power supply AC/DC fills tested IGBT power module
Electricity, voltage sensor detects charging voltage, and the charging voltage that will test is sent to PLC, and the charging voltage of PLC judgement detection is
The no Vdc numerical value for reaching setting, if then PLC controls first contactor disconnection, if otherwise voltage sensor detects charging again
Voltage, and the charging voltage that will test is sent to PLC, until the charging voltage of detection reaches the Vdc numerical value of setting；
Then, PLC triggers dipulse driving circuit by T1, T2, T3 numerical value configured and sends arteries and veins to tested IGBT power module
Punching, oscillograph detect the Wave data of tested IGBT power module, and PLC controls second contactor closure, and discharge resistance is put
Electricity analyzes waveform data.
The circuit logic of PLC control test platform of the invention, by T1, T2, T3 numerical value of dipulse driving circuit and
The dialog box of IGBT power module test voltage Vdc numerical value setting on the touchscreen, and realize automatic control.
It in dipulse test process, needs to set the numerical value such as dipulse time T1, T2, T3 and Vdc, needs to touch by it
Send out start command etc..
When testing power module, need to charge to tested IGBT power module and establish tested IGBT power mould
The test voltage Vdc of block, needs to connect DC power supply AC/DC, which needs to have in 0-3000V internal pressure-regulating, and
It is communicated, can be charged to power module with PLC.
Load inductance is air core inductor, according to formulaThe upper raising speed of load inductance L decision collector current Ic
Degree, inductance value required for the tested IGBT power module of different voltages grade different model is tested are also different.
1 load inductance value of table
After the completion of dipulse test, dc-link capacitance busbar voltage fluctuation is smaller, and voltage value is still 1000V or so, needs
The discharge resistance of 20 Ω is installed at bus capacitor both ends, and the on-off of the discharge resistance is controlled by contactor.
The pulse for the T1 and T3 time that dipulse is spaced the T2 time by two forms, and T1 ~ T3 needs are adjustable, in addition the time
For section within 0 ~ 50us, relative time is shorter, otherwise will affect measure data precision.
After the completion of dipulse test, related data can be analyzed according to the Wave data on oscillograph.
There are certain danger in the test process of IGBT power module, in order to prevent trouble before it happens, install in test platform
Voltage sensor detects charging voltage, controls first contactor by using PLC to control DC power supply AC/DC and IGBT power
The circuit switching of module, is tested automatically.Therefore in testing, after should first setting oscillograph and test relevant parameter, from
Dynamic triggering test after the completion of to be triggered, after module automatic discharging, analyzes data.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still be within the scope of the patent of the present invention.
Claims (6)
1. a kind of IGBT power module dipulse automatically testing platform, it is characterised in that: including PLC, touch screen, oscillograph, bear
Carry inductance, DC power supply AC/DC, voltage sensor, discharge resistance and dipulse driving circuit, PLC be separately connected touch screen and
DC power supply AC/DC, DC power supply AC/DC are separately connected discharge resistance and voltage sensor, discharge resistance ground connection, voltage sensor
Device is separately connected tested IGBT power module and PLC, and voltage sensor also connects tested IGBT power module by load inductance,
PLC also passes through dipulse driving circuit and connects tested IGBT power module, and oscillograph connects tested IGBT power module.
2. IGBT power module dipulse automatically testing platform according to claim 1, it is characterised in that: the direct current
First contactor, PLC control connection first contactor are provided between power supply AC/DC and voltage sensor.
3. IGBT power module dipulse automatically testing platform according to claim 2, it is characterised in that: described first
Second contactor, PLC control connection second contactor are provided between contactor and discharge resistance.
4. IGBT power module dipulse automatically testing platform according to claim 1, it is characterised in that: the PLC
DC power supply AC/DC and dipulse driving circuit are connected by RS485 communication cable respectively.
5. IGBT power module dipulse automatically testing platform according to claim 1, it is characterised in that: double arteries and veins
It rushes driving circuit and connects tested IGBT power module by fiber optic cables.
6. a kind of IGBT power module dipulse automatic test approach, it is characterised in that: specific step is as follows:
Firstly, configuration oscillograph and load inductance, open test platform power supply, dipulse driving circuit is configured by touch screen
T1, T2, T3 numerical value and IGBT power module test voltage Vdc numerical value；
Secondly, voltage sensor detects the voltage of tested IGBT power module, and the tested IGBT power module voltage that will test
It is sent to PLC, when the tested IGBT power module voltage of detection is more than or equal to 5V, PLC controls second contactor closure, electric discharge
Resistance discharges, until disconnecting second contactor when the tested IGBT power module voltage of detection is less than 5V；
Again, PLC controls first contactor closure, and PLC control DC power supply AC/DC fills tested IGBT power module
Electricity, voltage sensor detects charging voltage, and the charging voltage that will test is sent to PLC, and the charging voltage of PLC judgement detection is
The no Vdc numerical value for reaching setting, if then PLC controls first contactor disconnection, if otherwise voltage sensor detects charging again
Voltage, and the charging voltage that will test is sent to PLC, until the charging voltage of detection reaches the Vdc numerical value of setting；
Then, PLC triggers dipulse driving circuit by T1, T2, T3 numerical value configured and sends arteries and veins to tested IGBT power module
Punching, oscillograph detect the Wave data of tested IGBT power module, and PLC controls second contactor closure, and discharge resistance is put
Electricity analyzes waveform data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536402.8A CN109581177A (en) | 2018-12-14 | 2018-12-14 | IGBT power module dipulse automatically testing platform and its test method |
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| CN201811536402.8A CN109581177A (en) | 2018-12-14 | 2018-12-14 | IGBT power module dipulse automatically testing platform and its test method |
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| Publication Number | Publication Date |
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| CN109581177A true CN109581177A (en) | 2019-04-05 |
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ID=65928104
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| CN201811536402.8A Pending CN109581177A (en) | 2018-12-14 | 2018-12-14 | IGBT power module dipulse automatically testing platform and its test method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103520A (en) * | 2019-12-27 | 2020-05-05 | 天津瑞能电气有限公司 | IGBT power module aging test system and method |
| CN112285516A (en) * | 2020-09-28 | 2021-01-29 | 杭州沃镭智能科技股份有限公司 | IGBT power semiconductor test equipment |
| CN112327126A (en) * | 2020-10-28 | 2021-02-05 | 广州汽车集团股份有限公司 | IGBT module performance test system and method |
| CN112731190A (en) * | 2020-12-04 | 2021-04-30 | 南京轨道交通系统工程有限公司 | Universal tester and method applied to subway train inverter module |
| CN112731191A (en) * | 2020-12-08 | 2021-04-30 | 北京无线电测量研究所 | Automatic test table for pulse power supply |
| US11067629B2 (en) * | 2019-06-03 | 2021-07-20 | Teradyne, Inc. | Automated test equipment for testing high-power electronic components |
| CN113252951A (en) * | 2021-06-24 | 2021-08-13 | 陕西开尔文测控技术有限公司 | Device and method for reducing pulse source delay of semiconductor test fixture |
| CN113358996A (en) * | 2021-05-28 | 2021-09-07 | 特变电工西安柔性输配电有限公司 | Universal testing device and method for power module of flexible direct current converter valve |
| CN113608092A (en) * | 2021-06-28 | 2021-11-05 | 臻驱科技（上海）有限公司 | Double-pulse test system |
| CN114779033A (en) * | 2022-04-08 | 2022-07-22 | 合肥科威尔电源系统股份有限公司 | Pulse current value calibration method suitable for IGBT dynamic test |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11067629B2 (en) * | 2019-06-03 | 2021-07-20 | Teradyne, Inc. | Automated test equipment for testing high-power electronic components |
| CN111103520A (en) * | 2019-12-27 | 2020-05-05 | 天津瑞能电气有限公司 | IGBT power module aging test system and method |
| CN112285516A (en) * | 2020-09-28 | 2021-01-29 | 杭州沃镭智能科技股份有限公司 | IGBT power semiconductor test equipment |
| CN112327126A (en) * | 2020-10-28 | 2021-02-05 | 广州汽车集团股份有限公司 | IGBT module performance test system and method |
| CN112731190A (en) * | 2020-12-04 | 2021-04-30 | 南京轨道交通系统工程有限公司 | Universal tester and method applied to subway train inverter module |
| CN112731191A (en) * | 2020-12-08 | 2021-04-30 | 北京无线电测量研究所 | Automatic test table for pulse power supply |
| CN113358996B (en) * | 2021-05-28 | 2024-03-12 | 特变电工西安柔性输配电有限公司 | Universal testing device and method for power module of flexible direct current converter valve |
| CN113358996A (en) * | 2021-05-28 | 2021-09-07 | 特变电工西安柔性输配电有限公司 | Universal testing device and method for power module of flexible direct current converter valve |
| CN113252951A (en) * | 2021-06-24 | 2021-08-13 | 陕西开尔文测控技术有限公司 | Device and method for reducing pulse source delay of semiconductor test fixture |
| CN113252951B (en) * | 2021-06-24 | 2021-10-22 | 陕西开尔文测控技术有限公司 | Device and method for reducing pulse source delay of semiconductor test fixture |
| CN113608092A (en) * | 2021-06-28 | 2021-11-05 | 臻驱科技（上海）有限公司 | Double-pulse test system |
| CN114779033A (en) * | 2022-04-08 | 2022-07-22 | 合肥科威尔电源系统股份有限公司 | Pulse current value calibration method suitable for IGBT dynamic test |
| CN114779033B (en) * | 2022-04-08 | 2024-09-24 | 科威尔技术股份有限公司 | Pulse current value calibration method suitable for IGBT dynamic test |
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Effective date of registration: 20210918 Address after: 300308 No. 100, Hangtian Road, Tianjin pilot free trade zone (Airport Economic Zone), Binhai New Area, Tianjin Applicant after: TIANJIN RUIYUAN ELECTRICAL Co.,Ltd. Address before: No.1 Xinghua No.7 Branch Road, economic development zone, Xiqing District, Tianjin Applicant before: Tianjin Ruineng electric Co.,LTD. |
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Application publication date: 20190405 |