Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
Patent
1991-03-11
1992-03-31
Sterrett, Jeffret
Electric power conversion systems
Current conversion
With means to introduce or eliminate frequency components
363 21, 363 97, 363131, H02M 114
Patent
active
051013363
ABSTRACT:
The switching converter (SPC) mainly includes a duty cycle controller (DCC) whose output controls a switch (T1) for transferring energy from an input (VIN) to an output (VOUT). The duty cycle controller (DCC) includes a sawtooth generator (ST) and a pulse generator (NL) whose output signals (STO, NLO) are OR-ed and then compared with an error voltage (VE), derived from the difference between the output voltage (VOUT) and a reference voltage (VREF1), so as to produce an output signal of which the duty cycle varies linearly from a predetermined non-zero value onwards, thus ensuring that during each cycle the switch (T1) is activated for at least a minimum duration.
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E. Hnatek, "Design of Solid-State Power Supplies", Van Nostrand Reinhold Co., Converter & Inverter Design Consid., Bell Tel., Antwerpen, BE., pp. 562-581, 12/81.
Moons Elve D. J.
Willocx Eddie L. M.
ALCATEL N.V.
Sterrett Jeffret
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