5.10 Control Loop Measurement

The control loop is implemented through two cascaded loops. An outer voltage loop generates the current reference for an inner current loop, which is an implementation of Average Current mode control. This inner current loop then generates the required phase-shift to achieve the output voltage set point.

Figure 5-26. Injection Points for Voltage and Current Loop Measurement
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Figure 5-27. R111 is Used to Inject a Distortion Signal in the Current Feedback Loop, and R108 is Used for the Measurement Output Voltage Loop