Combination current hysteresis and voltage hysteresis control for a power converter

A power control system comprising:

• an AC signal source, the AC signal source being coupled to a load, and generating an AC signal;
• a switch circuit configured to selectively couple the AC signal source to a utility grid;
• and
• a control circuit coupled to the AC signal source, wherein when a voltage associated with the AC signal is outside a desired band, the control circuit controls the switch circuit to decouple the AC signal source from the utility grid, and adjusts the current and voltage associated with the AC signal.

A power control system, comprising:

• an inverter circuit configured receive a DC signal and supply an AC signal to a load;
• a current transducer circuit configured to receive the AC signal and output a current sense signal in response to a current associated with the AC signal;
• a voltage transducer circuit configured to receive the AC signal and output a voltage sense signal in response to a voltage associated with the AC signal;
• a switch circuit configured to selectively supply the AC signal to a utility grid;
• a pulse generating circuit configured to output a pulse signal in response to a utility AC signal present in the utility grid;
• and
• a control circuit configured to receive the current sense signal, the voltage sense signal and the pulse signal, and output control signals to the inverter circuit in response thereto.