| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a three-phase inverter type power generator capable of simultaneously generating a three-phase four-wire output and a single-phase three-wire output of desired frequency with simple constitution at any rotating speed of an engine. <P>SOLUTION: The three-phase inverter type power generator includes an engine 1, an AC power generator 2, a rectifier 3, a three-phase inverter 4, and a three-phase transformer 5 as a high-frequency transformer, and a filter 6. A secondary-side connection 52 of the three-phase transformer 5 has first to third coils (a) to (c) which have one-end sides connected to one another at a neutral point O to form a star type connection, and have the same number of turns and mutual phase differences of 120°; a first additional coil d1 whose one end is connected to a position of a predetermined number of turns from the side of the neutral point O on the second coil (b) and which has the same number of turns as the predetermined number of turns and is opposite in phase to the third coil (c); and a second additional coil d2 whose one end is connected to a position of the same number of turns as the predetermined number of turns from the side of the neutral point O on the third coil (c) and which has the same number of turns as the predetermined number of turns and is opposite in phase to the second coil (b). <P>COPYRIGHT: (C)2013,JPO&INPIT |
