KR100481228B1 - 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법 - Google Patents
직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법 Download PDFInfo
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- KR100481228B1 KR100481228B1 KR10-2003-0054893A KR20030054893A KR100481228B1 KR 100481228 B1 KR100481228 B1 KR 100481228B1 KR 20030054893 A KR20030054893 A KR 20030054893A KR 100481228 B1 KR100481228 B1 KR 100481228B1
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- South Korea
- Prior art keywords
- inverter
- rectifier
- power semiconductor
- semiconductor device
- arm
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000003745 diagnosis Methods 0.000 title claims abstract description 14
- 239000004065 semiconductor Substances 0.000 claims abstract description 46
- 230000006866 deterioration Effects 0.000 claims abstract description 24
- 230000015556 catabolic process Effects 0.000 claims abstract description 20
- 238000006731 degradation reaction Methods 0.000 claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 12
- 238000002405 diagnostic procedure Methods 0.000 claims abstract 3
- 238000011084 recovery Methods 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 4
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- 238000007792 addition Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
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- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004753 textile Substances 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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- 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
- G01R31/2642—Testing semiconductor operation lifetime or reliability, e.g. by accelerated life tests
-
- 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
- G01R31/27—Testing of devices without physical removal from the circuit of which they form part, e.g. compensating for effects surrounding elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inverter Devices (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
Abstract
Description
Claims (4)
- 전력용 반도체 소자로 구성되는 직류/교류 인버터 및 교류/직류 정류기의 동작중 열화진단방법에 있어서,상기 직류/교류 인버터 및 교류/직류 정류기가 운전되고 있는 상태에서, 해당 직류/교류 인버터 및 교류/직류 정류기에서 복수의 전력용 반도체 소자로 이루어진 아암(Arm)의 입출력 전압 및 전류를 측정하는 제 1단계와,상기 아암의 입출력 전압 및 전류에 대한 측정값에 의해 평균스위치 모델의 파라미터값을 계산하는 제 2단계 및,상기 파라미터값의 변화 추이에 따라 전력용 반도체 소자의 열화가 진행되는 상태를 파악하는 제 3단계로 이루어진 것을 특징으로 하는 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법.
- 제 1 항에 있어서,상기 제 1단계는, 각 전력용 반도체 소자의 접합부 온도와 외부 온도를 각각 센싱하는 단계와,상기 전력용 반도체 소자의 접합부 온도와 외부 온도가 평형점에 다다르면, 상기 아암(Arm)의 입출력 전압 및 전류를 측정하는 단계를 포함하는 것을 특징으로 하는 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법.
- 제 1 항에 있어서,상기 제 2단계는, 상기 평균 스위치 모델의 파라미터값은 전력용 반도체 소자의 도통손실에 대한 등가직렬 저항값과, 스위칭 손실에 대한 전력용 반도체 소자에 적용된 역방향 다이오드의 역회복시간, 해당 전력용 반도체 소자의 스위칭 전하량에 해당되는 것을 특징으로 하는 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법.
- 제 1 항에 있어서,상기 제 3단계는, 상기 전력용 반도체 소자의 열화 진행상태에 따라 해당 전력용 반도체 소자의 잔여수명을 진단하는 단계를 포함하는 것을 특징으로 하는 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0054893A KR100481228B1 (ko) | 2003-08-08 | 2003-08-08 | 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0054893A KR100481228B1 (ko) | 2003-08-08 | 2003-08-08 | 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050017735A KR20050017735A (ko) | 2005-02-23 |
KR100481228B1 true KR100481228B1 (ko) | 2005-04-07 |
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KR10-2003-0054893A Expired - Fee Related KR100481228B1 (ko) | 2003-08-08 | 2003-08-08 | 직류/교류 인버터 및 교류/직류 정류기의 열화진단 방법 |
Country Status (1)
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KR (1) | KR100481228B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100956502B1 (ko) * | 2007-12-21 | 2010-05-07 | 주식회사 포스코 | 싸이리스터 정류기 열화 예측 방법 |
JP7019864B1 (ja) * | 2020-08-28 | 2022-02-15 | 東芝三菱電機産業システム株式会社 | 電力変換用半導体装置の状態推定システム及び状態推定方法 |
KR102698766B1 (ko) * | 2022-05-25 | 2024-08-27 | 중앙대학교 산학협력단 | 비접촉 방식에 기반한 전력반도체의 노화 상태 진단 장치 및 방법 |
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2003
- 2003-08-08 KR KR10-2003-0054893A patent/KR100481228B1/ko not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
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KR20050017735A (ko) | 2005-02-23 |
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