| 摘要 |
The inverter of the invention includes essentially an autotransformer 6 instead of the conventional transformer with respect to which it is markedly less bulky and less expensive. Its control circuit includes a phase-shift control 38 supplied via its own output voltage, this control acting, via a rectifier bridge 32, on a symmetric circuit 41, 44, 46, 47 driving the inverter's power thyristors 9, 10. <IMAGE>
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