Electricity: motive power systems – Induction motor systems – Primary circuit control
Patent
1974-10-10
1980-06-10
Rubinson, Gene Z.
Electricity: motive power systems
Induction motor systems
Primary circuit control
H02P 516
Patent
active
042075092
ABSTRACT:
An AC motor assembly includes a multi-phase AC motor driven by a static converter composed of a plurality of controlled rectifiers connected to a control device which transmits the control pulses in a given commutation sequence to the different rectifiers through a step switch. The step switch is controlled by a signal from an arrangement which measures the magnetic flux of the motor. This arrangement derives a parameter corresponding to the value of the magnetic main flux of the motor which at any moment is higher in any direction within the motor. This parameter controls through a summation device provided with a reference signal a discriminator which emits a signal to the step switch for switching the control device when the parameter exceeds a given reference value.
REFERENCES:
patent: 3512067 (1970-05-01), Landau
patent: 3593083 (1971-07-01), Blaschke
patent: 3824437 (1974-07-01), Blaschke
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