Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1979-05-22
1982-03-23
Shoop, William M.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
363 41, H02M 7515
Patent
active
043216633
ABSTRACT:
A process of pulse duration modulation for improved voltage and frequency efficiency of a multi-phase converter. The sum of the time dependent voltage of a load phase and of an auxiliary time dependent voltage is formed, wherein the auxiliary time dependent voltage is the same for all converter phases. The pulse duration of the output voltage of each converter phase is modulated with said voltage sum.
REFERENCES:
patent: 3603867 (1971-09-01), Cuenoud
patent: 3624486 (1971-11-01), Oates
patent: 3886431 (1975-05-01), Meier
CKD PRAHA, Oborovy podnik
Shoop William M.
Wong Peter S.
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