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What is the nature of the ripple in the output of the PCO-6131?

The PCO-6131 uses a "hysteretic controller", which means there is no regular update rate in the energy storage section and thus no consistent ripple waveform. Instead, there is a current sensor and comparator that makes changes as necessary at a fast (MHz) rate. The amplitude of the ripple is specified as <2% @ 125 A but not at a constant frequency.

  • Thursday, 06 November 2014