Abstract ABSTRACT A power generator comprising a pulley-driven alternator having three output windings in a delta configuration and a pair of rectifiers associated with each output winding; a voltage regulator for controlling the alternator output; and a capacitive voltage multiplier circuit; the voltage regulator being supplied with rectified current from the alternator windings via the rectifiers and controlling the current supplied to the field winding of the alternator; characterised in that the voltage multiplier circuit comprises a first pair of series-connected capacitors connected across the positive and negative poles of the rectified alternator output; a first blocking diode with its anode connected to the positive pole of the rectified alternator output and a second blocking diode with its cathode connected to the negative pole of the rectified alternator output; and a second pair of series-connected capacitors connected between the cathode and anode respectively of the first and second blocking diodes; the opposite ends of one alternator output winding being connected intermediate the respective capacitors of the first and second pairs of series-connected capacitors.
A power generator comprising a pulley-driven alter-nator having three output windings in a delta configuration and a pair of rectifiers associated with each output winding; a voltage regulator for controlling the alternator output; and a capacitive voltage multiplier circuit; the voltage regulator being supplied with rectified current from the alternator windings via the rec-tifiers and controlling the current supplied to the field winding of the alternator; in which the voltage multiplier circuit com-prising a first pair of series-connected capacitors connected across the positive and negative poles of the rectified alterna-tor output; a first blocking diode with its anode connected to the positive pole of the rectified alternator output and a second blocking diode with its cathode connected to the negative pole of the rectified alternator output; and a second pair of series-con-nected capacitors connected between the cathode and anode respec-tively of the first and second blocking diodes; the opposite ends of one alternator output winding being connected intermediate the respective capacitors of the first and second pairs of series-connected capacitors.
Claim 2
Dependent Claim
170 words
A power generator comprising a pulley-driven alter-nator having three output windings in a delta configuration and a pair of rectifiers associated with each output winding; a voltage regulator for controlling the alternator output; and a capacitive voltage multiplier circuit; the voltage regulator being supplied with rectified current from the alternator windings via the rec-tifiers and controlling the current supplied to the field winding of the alternator; in which the voltage multiplier circuit com-prising a first pair of series-connected capacitors connected across the positive and negative poles of the rectified alterna-tor output; a first blocking diode with its anode connected to the positive pole of the rectified alternator output and a second blocking diode with its cathode connected to the negative pole of the rectified alternator output; and a second pair of series-con-nected capacitors connected between the cathode and anode respec-tively of the first and second blocking diodes; the opposite ends of one alternator output winding being connected intermediate the respective capacitors of the first and second pairs of series-connected capacitors.
Claim 3
Dependent Claim
25 words
A power generator according to claim 1, which includes the rectified alternator output selectively to the volt-age multiplier circuit, a welding circuit or a battery.
Claim 4
Dependent Claim
14 words
A power generator according to claim 2, in which the means comprises a switch.
Claim 5
Dependent Claim
26 words
A power generator according to claim 2 or 3, in which the means includes blocking diodes between the rectified alternator output and the voltage multiplier circuit.
Claim 6
Dependent Claim
19 words
A power generator according to claim 1, 2 or 3, in which the alternator is a motor vehicle alternator.
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