H - Electricity – 02 – M
Patent
H - Electricity
02
M
321/97
H02M 7/162 (2006.01) H02M 1/084 (2006.01) H02M 7/155 (2006.01)
Patent
CA 1220815
ABSTRACT OF THE DISCLOSURE Disclosed is a control circuit for a power converter apparatus using self-extinction devices as switching devices, in which turn on and turn off opera- tions of the self-extinction devices are controlled by gate pulses which have been subject to pulse width modulation with a pulse train having a pulse width which is sinusoidally varied, and, at the same time, the self- extinction devices in same phase are made conductive in a predetermined period corresponding to an output voltage reference value to make an output of the power converter apparatus be in a shorted state in the sense of DC current to thereby control the output of the power converter apparatus.
472585
Hombu Mitsuyuki
Matsuda Yasuo
Suzuki Katsunori
Ueda Shigeta
Hitachi Ltd.
Kirby Eades Gale Baker
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