Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11316345 | Predictive voltage stability of a power system post-contingency | Vahid Madani, Xinyu Jiang, Bozidar Avramovic | 2022-04-26 |
| 9588156 | Monitoring voltage stability of a transmission corridor | Mevludin Glavic, Vahid Madani | 2017-03-07 |
| 9502900 | Monitoring voltage stability of a transmission corridor | Mevludin Glavic, Vahid Madani | 2016-11-22 |
| 9438094 | Connecting system for connection of an electric machine to a converter | Not-Curdin Fried, Daniel Hediger, Andre Arndt, Hossein Safari Zadeh, Gregoire Vienne | 2016-09-06 |
| 9291655 | Monitoring voltage stability of a transmission corridor | Mevludin Glavic, Vahid Madani | 2016-03-22 |
| 8869637 | Electric generator and method for inspecting an electric generator | Hossein Safari Zadeh | 2014-10-28 |
| 8853897 | Cooling system for the bushings of an electric generator and method for cooling the bushings of an electric generator | Hossein Safari Zadeh, Jesus Contreras-Espada | 2014-10-07 |
| 8441166 | Device for connecting together end winding parts of stator | Hossein Safari Zadeh | 2013-05-14 |
| 6584417 | Method and directional element for fault direction determination in a capacitance-compensated line | Yi Hu, David G. Hart | 2003-06-24 |
| 6453248 | High impedance fault detection | David G. Hart, Steven A. Kunsman | 2002-09-17 |
| 6397156 | Impedance measurement system for power system transmission lines | Bernhard Bachmann, David G. Hart, Yi Hu, Murari Saha | 2002-05-28 |
| 6336059 | Reach-measurement method for distance relays and fault locators on series-compensated transmission lines using local information | Bernhard Bachmann, Yi Hu, David G. Hart, Murari Saha | 2002-01-01 |
| 6249230 | Ground fault location system and ground fault detector therefor | Thomas Baldwin, Ali F. Imece | 2001-06-19 |
| 6219591 | Voltage instability predictor (VIP)--method and system for performing adaptive control to improve voltage stability in power systems | Khoi Vu | 2001-04-17 |
| 6173216 | Protective relay with improved, sub-window cosine filter | Khoi Vu, David G. Hart | 2001-01-09 |
| 6154687 | Modified cosine filters | David G. Hart, Robert A. Smith | 2000-11-28 |
| 5956220 | Adaptive distance protection system | Yi Hu, Murari Saha | 1999-09-21 |
| 5839093 | System for locating faults and estimating fault resistance in distribution networks with tapped loads | David G. Hart, Yi Hu, Jorma Myllymaki | 1998-11-17 |
| 5832414 | Generator protection system and method of compensating for errors in phasor estimation due to oscillations in discrete Fourier transform | David G. Hart, James Stoupis | 1998-11-03 |
| 5805395 | Half-cycle summation V/Hz relay for generator and transformer over-excitation protection | Yi Hu, David G. Hart, Robert A. Smith | 1998-09-08 |
| 5721689 | System and method for phasor estimation and frequency tracking in digital protection systems | David G. Hart, Yi Hu, Robert A. Smith | 1998-02-24 |
| 5671112 | Digital integrator V/Hz relay for generator and transformer over-excitation protection | Yi Hu, David G. Hart, Robert A. Smith | 1997-09-23 |
| 5661664 | One-terminal data fault location system and process for locating a fault | Arun G. Phadke | 1997-08-26 |
| 5455776 | Automatic fault location system | — | 1995-10-03 |