A.C. motor-generator
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AC MOTOR VECTOR CONTROL METHOD AND AC MOTOR
AC MOTOR VECTOR CONTROL METHOD AND AC MOTOR
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Device for controlling AC motor
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HIGH EFFICIENCY AC MOTOR
There is provided a highly-efficient alternating current (AC) motor which improves efficiency and power factor to minimize power consumption.
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AC motor driven treadmill
An exercise treadmill having a direct drive AC induction motor controlled by an AC motor driver/controller.
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Improved AC motor-generator
high efficiency, non-interruptible ac motor- generator power system unit for generating and supplying to a load ac of a substantially constant
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Apparatus for driving AC motor
to an apparatus for driving an ac motor that includes a current controlled type power converter which produces an ac current or power having an
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AC Motor control method
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High speed AC motor controller
An apparatus comprising, in combination, an AC motor, a solid state switch controlling the AC motor, the solid state switch switchable between an on
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AC motor control system
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AC motor control
An AC motor control system and process useful in such AC motor applications as elevators, storage retrieval machines, cranes and hoists, and other
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AC MOTOR CONTROL SYSTEM
An AC motor control system comprises: a detector (113) for detecting the angular velocity of an AC motor (101); a detector (112) for detecting the
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AC MOTOR CONTROL SYSTEM
An AC motor control system comprises: a detector (113) for detecting the angular velocity of an AC motor (101); a detector (112) for detecting the
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AC motor speed control apparatus
for an AC motor which vector-controls, for example, a drive current of the AC motor such as an induction motor, synchronous motor and AC commutator
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Driving systems of AC motor
The AC motor control apparatus comprises an inverter for applying arbitrary AC power to an AC motor and a controller for sending a control signal to
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AC motor drive apparatus
An AC motor drive apparatus of this invention is constituted by an AC power source (SUP), a first circulating current type cycloconverter (CC-1)
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A.C. Motor drive apparatus
An apparatus for driving an A.C. motor includes a circuit for computing the sum of polyphase A.C. signals used to drive a pulse-width modulation
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AC motor drive apparatus
An AC motor drive apparatus of this invention is constituted by an AC power source, a first circulating current type cycloconverter having an output
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CONTROLLER FOR AC MOTOR
A controller for an AC motor comprises: a first arithmetic means (3) which calculates an amplitude command on the basis of the difference between a
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CONTROLLER FOR AC MOTOR
A controller for an AC motor comprises: a first arithmetic means (3) which calculates an amplitude command on the basis of the difference between a
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