Implementing a useful electronic load for testing high-current, low-voltage supplies requires careful consideration of not only the circuit design, but also the thermal and mechanical construction.

Yuechao Liu, Dong Guo, Min Zhou, Shanshan Wu, Dongmei Li, Optimization method of hourly heat load calculation model for heat storage air-conditioning heating system in different climate zones, Energy ...

Part 2 discusses electrical design considerations for a purpose-built load device, including passive and active component selection, board layout, and techniques for precision current measurement.