Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1986-02-05
1987-06-02
Beha, Jr., William M.
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
318767, 318803, 363 37, 363 81, 363 87, 363129, H02M 7162
Patent
active
046708278
ABSTRACT:
A regenerative d-c power supply comprises a bridge rectifier, a series-connected smoothing choke, a shunt-connected filter capacitor and a switching circuit consisting of a first diode disposed in a positive line of the d-c power supply between the smoothing choke and one terminal of the capacitor, a second diode disposed in a negative line of the power supply between another terminal of the capacitor and the rectifier and a pair of converter valves in the form of transistors connecting the cathodes of the diodes to one another and the anodes of the diodes to one another. Each converter valve is operated in the forward energy transmission direction by a respective first pulse sequence having pulses staggered in time with respect to the pulses of the other first pulse sequence. The converter valves are operated in the reverse energy transmission direction by respective second pulse sequences each having pulses staggered in time with respect to the pulses of the other second pulse sequence. The pulses of the first pulse sequences do not overlap one another, while the pulses of the second pulse sequences do overlap.
REFERENCES:
patent: 4375612 (1983-03-01), Wirth
Beha, Jr. William M.
Siemens Aktiengesellschaft
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