Investigation of the effect of control action parameters on characteristics of a phase-locked-loop frequency control system of a consecutive resonance inverter
2008
Digital phase-locked-loop frequency control (PLFC) systems of a consecutive resonance inverter with the different phase detector characteristics are considered. The efficiency of phase detector signal digital filtration for enhancing the control accuracy and multilevel characteristic of a digital phase detector (DPD) to increase the maximum switching frequency is shown. Using the example of a proportional DPD, dependences for determining the control action parameters that yield adequate characteristics for a PLFC system are obtained.
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