Electricity

Electricity: Motive Power Systems

Including Inverter

No:4091294

A.c. motor control apparatus and method

No:4962976

A.c. motor drive method and apparatus for precision positional control

No:6124697

Ac inverter drive

No:4736148

Ac motor control method and its control apparatus

No:3940669

Ac motor control system

No:5479081

Ac motor controller with voltage margin adjustment

No:4843296

Ac motor drive apparatus

No:4935686

Ac motor drive with switched autotransformer coupling

No:4161680

Ac rotary machine apparatus

No:7423401

Ac rotary machine constant measuring apparatus for measuring constants of stationary ac rotary machine

No:5786681

Active phase coil inductance sensing

No:7348756

Advanced current control method and apparatus for a motor drive system

No:6763622

Amplitude detection method and apparatus for high frequency impedance tracking sensorless algorithm

No:6362593

Apparatus and method for compensating dead time of motor

No:6166514

Apparatus and method for controlling induction motor

No:7173394

Apparatus and method for controlling inverter

No:6911801

Apparatus and method for controlling inverter for driving a three-phase motor

No:7402977

Apparatus and method for controlling operation of reciprocating motor compressor

No:7405534

Apparatus and method for controlling velocity of motor

No:5767654

Apparatus and method for detecting motor position in pwm operation of a polyphase dc motor

No:5552685

Apparatus and method for detection and control of circulating currents in a variable speed dc motor

No:5623192

Apparatus for carrying out current control for variable speed driver and method for carrying out current control therefor

No:5684377

Apparatus for controlling an input power to an induction motor

No:7081728

Apparatus for controlling heat generation and recovery in an induction motor

No:7053587

Apparatus for controlling three-phase ac motor on two-phase modulation technique

No:4673823

Apparatus for operating cycloconverters in parallel fashion

No:7417842

Apparatus for power conversion in electric rolling stock

No:5552681

Apparatus for storing energy generated during breaking of a vehicle and for providing energy to the internal combustion engine of the vehicle at other times

No:4751448

Armature winding for a static converter-fed electrical induction machine

No:3648138

Arrangement for frequency-analogous speed control of an induction machine fed through an inverter

No:5644205

Asynchronous motor power supply control system

No:5576606

Asynchronous motor power supply control system

No:6617820

Auxiliary power conversion by phase-controlled rectification

No:6611167

Balanced bi-directional current source

No:4371824

Base drive and overlap protection circuit

No:6232730

Brushless motor driving circuit and a method of controlling the brushless motor driving circuit

No:6211635

Brushless motor driving system for driving outdoor fan of air conditioner

No:5327064

Brushless motor incorporating an integrated circuit having a single chip peripheral circuit

No:5761375

Brushless motor speed detection device

No:7106025

Cancellation of dead time effects for reducing common mode voltages

No:7250733

Circuit arrangement and method for controlling a brushless, permanently excited direct current motor

No:5623191

Circuit board architecture for a motor controller

No:7348757

Circuit to improve motor phase current reconstruction via dc link

No:5341075

Combined motor drive and battery recharge system

No:5847524

Constant speed control for a motor

No:6771040

Control apparatus and control method of on-vehicle dynamo-electric machine

No:4666020

Control apparatus for elevator

No:7042193

Control apparatus for rotating machine

No:6060860

Control apparatus for variably controlling speed induction motor

No:6611124

Control apparatus of induction motor