Patent ID: 11909204
Assignee: LUTRON TECHNOLOGY COMPANY LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 8:
9. A load control device for controlling an electrical load in a load control system, the load control system having a plurality of load control devices for controlling a plurality of electrical loads, wherein the plurality of load control devices are configured to be coupled in parallel with each other across a DC power bus to receive a DC bus voltage from a DC power supply, the load control device comprising:
a power connector configured to receive the DC bus voltage from the DC power bus;
an internal energy storage element configured to charge from the DC bus voltage;
an internal power supply configured to conduct current from the internal energy storage element and generate a supply voltage;
a load control circuit configured to receive the supply voltage and control power delivered to the electrical load; and
a control circuit configured to:
control the load control circuit for controlling the power delivered to the electrical load;
control when the internal energy storage element charges from the DC bus voltage;
send an indication of a storage level of the internal energy storage element;
receive an indication of a storage level of an energy storage element of another load control device; and
determine to charge the internal energy storage element from the DC power bus based on the storage level of the internal energy storage element and the received storage level of the energy storage element of the other load control device.