Inventor
HART DAVID G
US31 patents
⚠️ This page may combine multiple inventors who share the name “HART DAVID G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ABB POWER T & D CO
8 patentsUS5832414ANov 3, 1998
Generator protection system and method of compensating for errors in phasor estimation due to oscillations in discrete Fourier transform
ABB POWER T & D CO54 citations96
US6005759ADec 21, 1999
Method and system for monitoring and controlling an electrical distribution network
ABB POWER T & D CO370 citations95
US6081768AJun 27, 2000
Digital peak detector
ABB POWER T & D CO40 citations92
US6173216B1Jan 9, 2001
Protective relay with improved, sub-window cosine filter
ABB POWER T & D CO32 citations91
US6185482B1Feb 6, 2001
System and method for rms overcurrent backup function
ABB POWER T & D CO52 citations89
US5832413ANov 3, 1998
Generator protection system and method for phasor estimation and frequency tracking during frequency ramping
ABB POWER T & D CO24 citations88
US6336059B1Jan 1, 2002
Reach-measurement method for distance relays and fault locators on series-compensated transmission lines using local information
ABB POWER T & D CO9 citations73
US6154687ANov 28, 2000
Modified cosine filters
ABB POWER T & D CO5 citations63
ABB TECHNOLOGY AG
8 patentsUS6778370B1Aug 17, 2004
Adaptive recloser/sectionalizer
ABB TECHNOLOGY AG20 citations92
US6687573B2Feb 3, 2004
Recloser and fuse coordination scheme
ABB TECHNOLOGY AG32 citations91
US6667866B1Dec 23, 2003
Virtual ground following single-phase trip
ABB TECHNOLOGY AG43 citations91
US6735534B2May 11, 2004
One or all phases recloser control
ABB TECHNOLOGY AG13 citations83
US6707655B2Mar 16, 2004
Adaptive protection for recloser control
ABB TECHNOLOGY AG14 citations82
US6747373B1Jun 8, 2004
System and method for coordinated control of a switched power capacitor with an integrated resonance protection system
ABB TECHNOLOGY AG10 citations72
US6867958B2Mar 15, 2005
Loop restoration scheme for distribution feeders
ABB TECHNOLOGY AG10 citations70
US6735533B2May 11, 2004
Only picked up phases recloser control
ABB TECHNOLOGY AG4 citations61
ABB POWER AUTOMATION LTD
4 patentsUS6760670B2Jul 6, 2004
Crossover fault classification for power lines with parallel circuits
ABB POWER AUTOMATION LTD13 citations82
US6738719B2May 18, 2004
Crossover fault classification for power lines with parallel circuits
ABB POWER AUTOMATION LTD7 citations72
US6721670B2Apr 13, 2004
Crossover fault classification for power lines with parallel circuits
ABB POWER AUTOMATION LTD0 citations50
US6741943B2May 25, 2004
Crossover fault classification for power lines with parallel circuits
ABB POWER AUTOMATION LTD0 citations40
ABB INC
3 patentsUS6453248B1Sep 17, 2002
High impedance fault detection
ABB INC57 citations95
US6584417B1Jun 24, 2003
Method and directional element for fault direction determination in a capacitance-compensated line
ABB INC54 citations92
US6397156B1May 28, 2002
Impedance measurement system for power system transmission lines
ABB INC54 citations92