Using coils, turbine, or compressor, to draw a simple flow diagram for a typical power production cycle and an air conditioning or refrigeration cycle, respectively. Then, redraw the air conditioning cycle into a heat pump cycle.

Indicate the direction of the fluid flow in all three cycles. Indicate the flow of heat in coils. Indicate the flow of shaft work in the turbine or compressor. Indicate the name of the critical component required to convert the air conditioning cycle to the heat pump cycle. 

Elaborate on the advantages of using heat pumps in the winter.