상황
A 20 kWp hybrid solar-diesel water pumping system for a large farm must combine PV, battery, and diesel generator sources to power a VFD-driven pump, with pressure tank control for reliable irrigation.
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01
Use an MPPT charge controller on a common DC bus with battery storage
02
Bridge-rectify the diesel generator output to the same DC bus for hybrid charging
03
Use a pressure tank switch to energize a pump contactor for automatic start/stop
Use this topology when designing off-grid or hybrid irrigation systems that need solar and diesel backup with variable-speed pump control.