Washing machine drive is fed via frequency transformer - features raised secondary resistance of rotor to improve effectiveness at lower speeds
SE9201761D0
PROCEDURE MOVE SPEED CONTROL OF INDUCTION ENGINES
DE4137007A1
Electric induction motor drive for washing machine - has special construction of motor windings based on edge frequency at which max. voltage is produced
DE4137006A1
Induction motor revolution regulation system - uses calculated edge frequency corresponding to max voltage to optimise motor parameters
DE4131048A1
Drive unit for laundry treatment machine - permits use of smaller motors through enhanced motor performance
DE4119901A1
Induction motor rotary speed control - uses coil reversal according to working programme and loading momentum to align motor currents
DE4119902A1
Drive unit for washing machines etc. - has three=phase asynchronous motor with at least 2 slots per pole and phase
DE4016836A1
Safety system for asynchronous motor drive - monitors wide range of operating and function parameters to allow rapid detection of abnormality
DE3932191A1
Surge-suppression circuit for switched inductive loads - uses varistor to limit induced EMF and diodes to steer current into ballast-resistor
DE3914021A1
Measuring method for the optimization of asynchronous motors
DE3712637A1
Extension to speed control methods for electric motors
DE3149487A1
Electronically regulated AC motor
DE2423542A1
Winch control for automatic speed-torque regulation - with automatic change over between positioning and winding control
DE2337011A1
Drive for conveyor belts has two parallel asynchronous motors - one speed-regulated and other unregulated acting as generator brake
DE1941855A1
Extension of the method for regulating the speed of an electric drive
DE1919716A1
Method and arrangements for regulating the speed of an electric drive
DE1900387A1
Speed-controlled asynchronous motor drive using the method for regulating the speed of an electric drive
DE1763210A1
Method for regulating the speed of an electric drive
DE1638295A1
Method, application of the method and circuit arrangement for carrying out and application of the method for controlling a semiconductor with ignition characteristics used for switching pulsating direct current
DE1588826A1
Method and circuit arrangement for switching off DC inductivities
