Inventor

STACEY ERIC J

US36 patents

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

STACEY ERIC J

WESTINGHOUSE ELECTRIC CORP

Torque angle and peak current detector for synchronous motors

Simplified quasi-harmonic neutralized high power inverters

Active power conditioner system

Phase displaced, multiple inverter bridge circuits with waveform notching for harmonic elimination

Harmonic neutralization of static inverters by successive stagger

Pmg-based position sensor and synchronous drive incorporating same

AC drive with optimized torque

Ac motor drive with switched autotransformer coupling

Absolute shaft position sensing circuit

Multiphase frequency selective phase locked loop with multiphase sinusoidal and digital outputs

Converting multiphase power from one frequency to another using current waveforms

Apparatus and method for transient free energization and deenergization of static VAR generators

Current fed regulated voltage supply

Wide bandwidth phase locked loop circuit with sliding window averager

Switching overlap protection by control gate impedance monitoring

Band-pass sequence filters for symmetrical components of multiphase AC power systems

Static VAR generators

Force commutated static isolator circuit

Static reactive power generating apparatus

Apparatus for providing feedback to eliminate a dc component in the output of a static var generator

Force commutation static frequency changer apparatus using direct capacitor commutation

Force commutation static frequency changer apparatus using direct current chopper technique

Unrestricted frequency converter for unbalanced loads

Power active filter employing positive sequence filtering

Non-dissipative DC active filter and transformer

Method and circuit for reduction of stress in thyristors operating in the individual emergency firing mode

Static VAR generators

Cycloconverter apparatus with controllable end stop firing pulse control means

Method and apparatus for stabilized integral control of static power frequency changers

Controlling the circulating current in naturally commutated static power converters

Cycloconverter apparatus with controllable end stop firing pulse control means

Bank selection in naturally commutated thyristor controlled static power converters

ELECTRIC POWER RES INST

Optimized high power voltage sourced inverter system

Apparatus and method to prevent saturation of interphase transformers

Apparatus and method for simultaneously deactivating series-connected switching devices

SUNDSTRAND CORP

Fast responding method and apparatus for three phase A/C voltage sensing