CPC H02J 3/28 (2013.01) [E06B 9/68 (2013.01); H02J 3/001 (2020.01); E06B 2009/6809 (2013.01)] | 20 Claims |
1. A load control system for controlling a plurality of electrical loads, the load control system comprising:
a bus power supply comprising a power converter configured to generate a bus voltage on a power bus, wherein the bus power supply has a power capability that defines a maximum amount of power that the bus power supply can deliver over the power bus; and
a plurality of drive units, wherein each drive unit comprises:
a power limiting circuit configured to conduct current from the power bus and generate a supply voltage;
a load circuit configured to receive the supply voltage and control power delivered to an electrical load; and
a control circuit configured to:
determine an allocated amount of power that the drive unit can consume from the power bus based on an amount of power required by the drive unit, a cumulative total power required by the plurality of drive units, and the power capability of the bus power supply; and
control the power limiting circuit to consume the allocated amount of power from the power bus.
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