Electricity: motive power systems – With flywheel or massive rotary member
Patent
1977-08-01
1978-11-14
Hohauser, Herman J.
Electricity: motive power systems
With flywheel or massive rotary member
318254, H02K 2900
Patent
active
041257960
ABSTRACT:
A control apparatus for use in a synchronous machine having a field and an armature windings, one of the windings being provided on a stator and the other winding on a rotor comprises a thyristor converter for feeding the armature winding with electric power. A rotor position detector, an actual current detector and a rotating speed detector are provided. A current pattern signal is produced on the basis of the rotor position signal and the rotating speed signal and is compared with the actual armature current. A gate pulse generator controls the thyristors of the thyristor converter in accordance with the difference between the current pattern signal and the actual armature current signal. A phase shifter is provided for shifting the current pattern signal. A phase detector detects the phase difference between the armature current supplied for the armature winding and the rotor position, and the phase shifting operation of the phase shifter is controlled in accordance with an output from the phase detector.
REFERENCES:
patent: 4060753 (1977-11-01), Okuyama et al.
Kubota Yuzuru
Nagase Hiroshi
Okuyama Toshiaki
Suzuki Katsunori
Hitachi , Ltd.
Hohauser Herman J.
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