| 摘要 |
An improved control circuits is disclosed for use with a resonant converter having a resonant circuit and a first and a second plurality of switches for transferring electrical power between first and second terminals. The improved control circuit comprises a power transfer control or an outer control loop and a resonant circuit control or an inner control loop with the resonant circuit control having a predictor circuit. The power transfer control regulates the electrical power transferred between the first and second terminals through selective conduction of the first and second plurality of switches for selectively initiating oscillation of the resonant circuit to provide resonant pulses of the resonant circuit. A predictor circuit instantaneously monitors the operation of the resonant converter and instantaneously and continuously predicts prior to the completion of each resonant portion when the initiation of conduction of one of the switches will produce a resonant portion having a final waveform in conformity with a pre-established standard. The resonant circuit control compares an output of the predictor circuit to the pre-established standard for initiating conduction of the switches within each resonant portion to conform each resonant portion to the pre-established standard.
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