Inventor

WHITEHEAD DAVID E

US66 patents

⚠️ This page may combine multiple inventors who share the name “WHITEHEAD DAVID E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WHITEHEAD DAVID E

SCHWEITZER ENGINEERING LAB INC

Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements

Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements

Fault detection in electric power delivery systems using underreach, directional, and traveling wave elements

Power line parameter adjustment and fault location using traveling waves

Time distribution switch

Bus total overcurrent system for a protective relay

Ground fault detection system for ungrounded power systems

System and method for calibration of data in an electric power monitoring system

Detection of subsidence current in the determination of circuit breaker status in a power system

System for synchronous sampling and time-of-day clocking using an encoded time signal

System and method for optimizing error detection to detect unauthorized modification of transmitted data

High-frequency electric power system signal processing system

Time-domain differential line protection of electric power delivery systems

Time-domain distance line protection of electric power delivery systems

Time-domain directional line protection of electric power delivery systems

Time signal verification and distribution

Distributed coordinated electric power delivery control system using component models

System for checking synchronization of AC voltage sources before closing a power circuit breaker

Time signal manipulation and spoofing detection based on a latency of a communication system

Electric power system monitoring using high-frequency signals

Time distribution switch

Time distribution with multi-band antenna

Quality of precision time sources

Detection of manipulated satellite time signals

Protective relay-based monitoring system of DC power within an electric power substation

Primary and system protection for an electric power delivery system

Integration of primary protection relays for electric power delivery systems

Time-domain line differential protection of electric power delivery systems

Fault detection and protection during steady state using traveling waves

Electric power system monitoring using distributed conductor-mounted devices

Equipment failure detection in an electric power system

Time distribution device with multi-band antenna

Reliable power module for improved substation device availability

Recording of operating parameters of an intelligent electronic device

Fault detection and protection during steady state using traveling waves

Protective relay system having settings provided therein for all protective relay locations in a power system

Loopback testing of electric power protection systems

SCHWEITZER EDMUND O III

Power angle monitor

Electric power system automation using time coordinated instructions

Network access management via a secondary communication channel

Systems and method for obtaining a load model and related parameters based on load dynamics

Power angle monitor

Fault detection using phase comparison

Electric power system automation using time coordinated instructions

Electric power system automation using time coordinated instructions

Electric power system automation using time coordinated instructions

Power angle monitor

System, method, and apparatus for using the sound signature of a device to determine its operability

BRYSON MICHAEL B

Voltage regulation at a remote location using measurements from a remote metering device

SCHWEITZER ENGINEERING LAB

Voltage regulation using multiple voltage regulator controllers