FIELD: electricity.
SUBSTANCE: adjustable voltage multiplier includes voltage source consisting of in-series connected storage battery and circuit breaker, switching device, locking diodes and capacitor bank. As switching device there used is locked thyristor the control electrode of which is connected to secondary winding of transformer the beginning of primary winding of which is connected to transistor collector; end of winding is connected to alternating capacitor the second output of which is connected to transistor base; emitter base circuit of transistor includes in-series connected resistor and the second capacitor; one pole of voltage source is connected to average point of primary winding of transformer and between resistor and the second capacitor; the second pole of voltage source is connected to transistor emitter; locked thyristor is connected by means of one of power electrodes to voltage source, and by means of the other power electrode it is connected to throttle with inductance adjustable with core; the second output of throttle is connected to the second pole of voltage source; capacitor bank is connected parallel to throttle through locking diodes; locking diodes have reverse polarity in relation to voltage source.
EFFECT: obtaining the source of adjustable high and low constant voltage of wide control range of potentials and power.
1 dwg
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Authors
Dates
2012-06-10—Published
2011-03-30—Filed