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"Switching Device Failure Detection System And Method For Multilever Converters"
Abstract: A multilevel converter includes a plurality of phase legs (40) each having at least two inner switching devices (44, 46), at least two outer switching devices (42, 48), at least two clamping diodes (50, 52), a split DC link (53) and a switching device failure detection circuit (70). The switching device failure detection circuit includes a logic module (72, 74, 76, 78) for each of the switching devices, a voltage calculation module (80) and a failure detection algorithm (82). The logic module generates a blocking state logic signal (Vc1, Vc2, Vc3, Vc4) by comparing a switching device voltage (Vsw1, Vsw2, Vsw3, Vsw4) and a threshold reference voltage (Vth) and the voltage calculation module determines an expected voltage blocking state (Vs1, Vs2, Vs3, Vs4) for each of the switching devices based on the gate drive signals (G1, G2, G3, G4) of the switching devices and an output current direction (Io). The failure detection algorithm detects a failure condition in any of the switching devices based on the blocking state logic signals and the expected voltage blocking states of the switching devices.
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
11 May 2011
Publication Number
18/2012
Publication Type
INA
Invention Field
PHYSICS
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2023-03-07
Renewal Date
Applicants
GENERAL ELECTRIC COMPANY
1 RIVER ROAD, SCHENECTADY, NEW YORK, 12345 U.S.A.
Inventors
1. SOLDI PAOLO
GECOMPANY GLOBAL RESEARCH, ONE RESEARCH CIRCLE, K1-3A59, NISKAYUNA, NEW YORK 12309 U.S.A.
2. ROESNER ROBERT
GECOMPANY GLOBAL RESEARCH, ONE RESEARCH CIRCLE, K1-3A59, NISKAYUNA, NEW YORK 12309 U.S.A.
3. SCHROEDER STEFAN
GECOMPANY GLOBAL RESEARCH, ONE RESEARCH CIRCLE, K1-3A59, NISKAYUNA, NEW YORK 12309 U.S.A.
Specification
Documents
Orders
| Section | Controller | Decision Date |
|---|---|---|
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 1391-DEL-2011-ASSIGNMENT WITH VERIFIED COPY [26-02-2024(online)].pdf | 2024-02-26 |
| 1 | Abstract.jpg | 2012-01-16 |
| 2 | 1391-DEL-2011-FORM-16 [26-02-2024(online)].pdf | 2024-02-26 |
| 2 | 1391-del-2011-GPA.pdf | 2012-01-16 |
| 3 | 1391-DEL-2011-POWER OF AUTHORITY [26-02-2024(online)].pdf | 2024-02-26 |
| 3 | 1391-del-2011-Form-5.pdf | 2012-01-16 |
| 4 | 1391-DEL-2011-IntimationOfGrant07-03-2023.pdf | 2023-03-07 |
| 4 | 1391-del-2011-Form-3.pdf | 2012-01-16 |
| 5 | 1391-DEL-2011-PatentCertificate07-03-2023.pdf | 2023-03-07 |
| 5 | 1391-del-2011-Form-2.pdf | 2012-01-16 |
| 6 | 1391-DEL-2011-Verified English translation [03-03-2023(online)].pdf | 2023-03-03 |
| 6 | 1391-del-2011-Form-1.pdf | 2012-01-16 |
| 7 | 1391-del-2011-Drawings.pdf | 2012-01-16 |
| 7 | 1391-DEL-2011-AMENDED DOCUMENTS [02-03-2023(online)].pdf | 2023-03-02 |
| 8 | 1391-DEL-2011-FORM 13 [02-03-2023(online)].pdf | 2023-03-02 |
| 8 | 1391-del-2011-Description (Complete).pdf | 2012-01-16 |
| 9 | 1391-del-2011-Correspondence Others.pdf | 2012-01-16 |
| 9 | 1391-DEL-2011-FORM 3 [02-03-2023(online)].pdf | 2023-03-02 |
| 10 | 1391-del-2011-Claims.pdf | 2012-01-16 |
| 10 | 1391-DEL-2011-Information under section 8(2) [02-03-2023(online)].pdf | 2023-03-02 |
| 11 | 1391-del-2011-Assignment.pdf | 2012-01-16 |
| 11 | 1391-DEL-2011-PETITION UNDER RULE 137 [02-03-2023(online)].pdf | 2023-03-02 |
| 12 | 1391-del-2011-Abstract.pdf | 2012-01-16 |
| 12 | 1391-DEL-2011-POA [02-03-2023(online)].pdf | 2023-03-02 |
| 13 | 1391-DEL-2011-FER.pdf | 2018-03-23 |
| 13 | 1391-DEL-2011-RELEVANT DOCUMENTS [02-03-2023(online)].pdf | 2023-03-02 |
| 14 | 1391-DEL-2011-FORM-26 [15-02-2023(online)].pdf | 2023-02-15 |
| 14 | 1391-DEL-2011-OTHERS [31-08-2018(online)].pdf | 2018-08-31 |
| 15 | 1391-DEL-2011-Correspondence to notify the Controller [14-02-2023(online)].pdf | 2023-02-14 |
| 15 | 1391-DEL-2011-FER_SER_REPLY [31-08-2018(online)].pdf | 2018-08-31 |
| 16 | 1391-DEL-2011-DRAWING [31-08-2018(online)].pdf | 2018-08-31 |
| 16 | 1391-DEL-2011-US(14)-HearingNotice-(HearingDate-20-02-2023).pdf | 2023-01-25 |
| 17 | 1391-DEL-2011-FORM-26 [09-03-2022(online)].pdf | 2022-03-09 |
| 17 | 1391-DEL-2011-CORRESPONDENCE [31-08-2018(online)].pdf | 2018-08-31 |
| 18 | 1391-DEL-2011-COMPLETE SPECIFICATION [31-08-2018(online)].pdf | 2018-08-31 |
| 18 | 1391-DEL-2011-Response to office action [27-02-2022(online)].pdf | 2022-02-27 |
| 19 | 1391-DEL-2011-CLAIMS [31-08-2018(online)].pdf | 2018-08-31 |
| 19 | 1391-DEL-2011-FORM 13 [18-10-2019(online)].pdf | 2019-10-18 |
| 20 | 1391-DEL-2011-ABSTRACT [31-08-2018(online)].pdf | 2018-08-31 |
| 20 | 1391-DEL-2011-FORM-26 [18-10-2019(online)].pdf | 2019-10-18 |
| 21 | 1391-DEL-2011-Correspondence-260918.pdf | 2018-10-04 |
| 21 | 1391-DEL-2011-Power of Attorney-260918.pdf | 2018-10-04 |
| 22 | 1391-DEL-2011-Correspondence-260918.pdf | 2018-10-04 |
| 22 | 1391-DEL-2011-Power of Attorney-260918.pdf | 2018-10-04 |
| 23 | 1391-DEL-2011-ABSTRACT [31-08-2018(online)].pdf | 2018-08-31 |
| 23 | 1391-DEL-2011-FORM-26 [18-10-2019(online)].pdf | 2019-10-18 |
| 24 | 1391-DEL-2011-FORM 13 [18-10-2019(online)].pdf | 2019-10-18 |
| 24 | 1391-DEL-2011-CLAIMS [31-08-2018(online)].pdf | 2018-08-31 |
| 25 | 1391-DEL-2011-COMPLETE SPECIFICATION [31-08-2018(online)].pdf | 2018-08-31 |
| 25 | 1391-DEL-2011-Response to office action [27-02-2022(online)].pdf | 2022-02-27 |
| 26 | 1391-DEL-2011-CORRESPONDENCE [31-08-2018(online)].pdf | 2018-08-31 |
| 26 | 1391-DEL-2011-FORM-26 [09-03-2022(online)].pdf | 2022-03-09 |
| 27 | 1391-DEL-2011-DRAWING [31-08-2018(online)].pdf | 2018-08-31 |
| 27 | 1391-DEL-2011-US(14)-HearingNotice-(HearingDate-20-02-2023).pdf | 2023-01-25 |
| 28 | 1391-DEL-2011-Correspondence to notify the Controller [14-02-2023(online)].pdf | 2023-02-14 |
| 28 | 1391-DEL-2011-FER_SER_REPLY [31-08-2018(online)].pdf | 2018-08-31 |
| 29 | 1391-DEL-2011-FORM-26 [15-02-2023(online)].pdf | 2023-02-15 |
| 29 | 1391-DEL-2011-OTHERS [31-08-2018(online)].pdf | 2018-08-31 |
| 30 | 1391-DEL-2011-FER.pdf | 2018-03-23 |
| 30 | 1391-DEL-2011-RELEVANT DOCUMENTS [02-03-2023(online)].pdf | 2023-03-02 |
| 31 | 1391-del-2011-Abstract.pdf | 2012-01-16 |
| 31 | 1391-DEL-2011-POA [02-03-2023(online)].pdf | 2023-03-02 |
| 32 | 1391-del-2011-Assignment.pdf | 2012-01-16 |
| 32 | 1391-DEL-2011-PETITION UNDER RULE 137 [02-03-2023(online)].pdf | 2023-03-02 |
| 33 | 1391-del-2011-Claims.pdf | 2012-01-16 |
| 33 | 1391-DEL-2011-Information under section 8(2) [02-03-2023(online)].pdf | 2023-03-02 |
| 34 | 1391-del-2011-Correspondence Others.pdf | 2012-01-16 |
| 34 | 1391-DEL-2011-FORM 3 [02-03-2023(online)].pdf | 2023-03-02 |
| 35 | 1391-del-2011-Description (Complete).pdf | 2012-01-16 |
| 35 | 1391-DEL-2011-FORM 13 [02-03-2023(online)].pdf | 2023-03-02 |
| 36 | 1391-del-2011-Drawings.pdf | 2012-01-16 |
| 36 | 1391-DEL-2011-AMENDED DOCUMENTS [02-03-2023(online)].pdf | 2023-03-02 |
| 37 | 1391-DEL-2011-Verified English translation [03-03-2023(online)].pdf | 2023-03-03 |
| 37 | 1391-del-2011-Form-1.pdf | 2012-01-16 |
| 38 | 1391-DEL-2011-PatentCertificate07-03-2023.pdf | 2023-03-07 |
| 38 | 1391-del-2011-Form-2.pdf | 2012-01-16 |
| 39 | 1391-DEL-2011-IntimationOfGrant07-03-2023.pdf | 2023-03-07 |
| 39 | 1391-del-2011-Form-3.pdf | 2012-01-16 |
| 40 | 1391-DEL-2011-POWER OF AUTHORITY [26-02-2024(online)].pdf | 2024-02-26 |
| 40 | 1391-del-2011-Form-5.pdf | 2012-01-16 |
| 41 | 1391-del-2011-GPA.pdf | 2012-01-16 |
| 41 | 1391-DEL-2011-FORM-16 [26-02-2024(online)].pdf | 2024-02-26 |
| 42 | 1391-DEL-2011-ASSIGNMENT WITH VERIFIED COPY [26-02-2024(online)].pdf | 2024-02-26 |
| 42 | Abstract.jpg | 2012-01-16 |
Search Strategy
| 1 | SS1391DEL2011_28-11-2017.pdf |