MODULAR LIGHTING PANEL

Systems and methods described herein provide examples of an electrical panel (e.g., a modular electrical panel) that is configured to control a plurality of electrical loads. The electrical panel may include a control circuit, memory, a communication circuit, and an alternating current (AC) line…

BACKUP POWER SUPPLY

A backup power supply includes a battery module including battery cells, a power conversion unit configured to adjust a voltage of an output of the battery module and output the adjusted output to a load, and a health diagnosis circuit for the power conversion unit, the health diagnosis circuit…

POWER SUPPLY CONTROL CIRCUIT

A power supply control circuit that allows the power to be supplied from a power supply such as a sub-battery to a load for a longer period of time, in the event of a failure of a main power supply. The power supply control circuit () includes: a first circuit () connecting a main battery () and a…

METHOD FOR DETECTING WHETHER A BATTERY IS DISCONNECTED, AN ONLINE UNINTERRUPTIBLE POWER SYSTEM AND AN OFFLINE UNINTERRUPTIBLE POWER SYSTEM USING THE METHOD

A method for detecting whether a battery is disconnected, an online UPS and an offline UPS using the method. The method comprises the following steps: determining whether a charging circuit charging a battery is in a constant voltage charging mode; and when the determination result is yes…

BATTERY PACK

A battery pack includes a battery including at least one battery cell, a DC/DC converter configured to generate first control power from battery power of the battery, an OR circuit configured to output control power having a higher voltage level from among second control power received from an…

MODULAR LIGHTING PANEL

Systems and methods described herein provide examples of an electrical panel (e.g., a modular electrical panel) that is configured to control a plurality of electrical loads. The electrical panel may include a control circuit, memory, a communication circuit, and an alternating current (AC) line…

Load Shed System

A load shed module configured to be connected in series between a power supply and a load is disclosed. A separate load shed module is connected in series between each load and the power supply. The load shed module determines the frequency of the voltage supplied from the power supply. Based on…

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