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Fault Tolerant Synchronous Inverter
Abstract: Methods and devices to enable a synchronous inverter to have a grid fault current limiting behaviour similar to a synchronous generator are provided. A three-phase current signal (i) is obtained from a voltage source inverter supplying power from a power source to a power system network. The three-phase current signal (i) is converted to an equivalent two-phase current signal (i′dq), where the equivalent twophase current signal (i′dq) comprises a first current component (i′d) and a second current component (i′q). The first current component (i′d) and the second current component (i′q) are passed through a filter of a cross-coupled compensator to determine a first cross-coupled current component (id) and a second cross-coupled current component (iq). A control signal is determined based on the first crosscoupled current component (id) and the second cross-coupled current component (iq), to generate a switching pulse sequence for the voltage source inverter to emulate a synchronous generator.
Notices, Deadlines & Correspondence
Patent Information
Applicants
INDIAN INSTITUTE OF SCIENCE
Inventors
1. NARAYANAN, Gopalaratnam
2. UPAMANYU, Kapil
Specification
Claims:AS ATTACHED , Description:AS ATTACHED
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 202141044276-STATEMENT OF UNDERTAKING (FORM 3) [29-09-2021(online)].pdf | 2021-09-29 |
| 2 | 202141044276-POWER OF AUTHORITY [29-09-2021(online)].pdf | 2021-09-29 |
| 3 | 202141044276-OTHERS [29-09-2021(online)].pdf | 2021-09-29 |
| 4 | 202141044276-FORM FOR SMALL ENTITY(FORM-28) [29-09-2021(online)].pdf | 2021-09-29 |
| 5 | 202141044276-FORM 1 [29-09-2021(online)].pdf | 2021-09-29 |
| 6 | 202141044276-EVIDENCE FOR REGISTRATION UNDER SSI(FORM-28) [29-09-2021(online)].pdf | 2021-09-29 |
| 7 | 202141044276-DRAWINGS [29-09-2021(online)].pdf | 2021-09-29 |
| 8 | 202141044276-DECLARATION OF INVENTORSHIP (FORM 5) [29-09-2021(online)].pdf | 2021-09-29 |
| 9 | 202141044276-COMPLETE SPECIFICATION [29-09-2021(online)].pdf | 2021-09-29 |
| 10 | 202141044276-EDUCATIONAL INSTITUTION(S) [09-11-2021(online)].pdf | 2021-11-09 |
| 11 | 202141044276-Proof of Right [10-12-2021(online)].pdf | 2021-12-10 |
| 12 | 202141044276-FORM 18A [17-04-2023(online)].pdf | 2023-04-17 |
| 13 | 202141044276-EVIDENCE OF ELIGIBILTY RULE 24C1f [17-04-2023(online)].pdf | 2023-04-17 |
| 14 | 202141044276-FER.pdf | 2023-10-17 |
| 15 | 202141044276-FER_SER_REPLY [15-04-2024(online)].pdf | 2024-04-15 |
| 16 | 202141044276-CLAIMS [15-04-2024(online)].pdf | 2024-04-15 |
| 17 | 202141044276-ABSTRACT [15-04-2024(online)].pdf | 2024-04-15 |
| 18 | 202141044276-PatentCertificate31-07-2025.pdf | 2025-07-31 |
| 19 | 202141044276-IntimationOfGrant31-07-2025.pdf | 2025-07-31 |
Search Strategy
| 1 | SearchHistory202141044276E_05-10-2023.pdf |
| 2 | 202141044276_SearchStrategyAmended_E_SearchHistory202141044276amendedAE_03-07-2025.pdf |