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12098 results about "Circuit breaker" patented technology

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit. Its basic function is to interrupt current flow after a fault is detected. Unlike a fuse, which operates once and then must be replaced, a circuit breaker can be reset (either manually or automatically) to resume normal operation.

GIS device state intelligent monitoring system and method based on edge computing technology

The invention relates to a GIS device state intelligent monitoring system and method based on the edge computing technology. The system includes a state sensor terminal, a data node device and an intelligent monitoring center, wherein the state sensor terminal is used for gathering collected state data to the data node device to perform power IoT edge calculation and is connected with the intelligent monitoring center through the transmission network, the condition monitoring sensor terminal is used for acquiring related state parameters in real time and receiving and performing limited edge calculation tasks, the data node device is used for collecting the data and receiving and performing the edge calculation tasks, and the intelligent monitoring center is used for performing equipment IoT management, intelligent evaluation analysis and advanced application for a GIS device state and configuring an optimized edge calculation algorithm model and an SG-CIM data model to the data node device. The system is advantaged in that a circuit breaker GIS equipment Internet of Things system of a substation is constructed, and the automation, informationization and intelligence level of equipment state evaluation and diagnosis can be improved.

Flexible electric load management system and method therefore

A system for controlling electricity consumption of an electricity consumer having a plurality of loads, including: (a) a main central processing unit, connected to a power source, and adapted to receive a signal therefrom; (b) a memory associated with the processing unit; (c) controlled relay assemblies connected to a plurality of loads via local circuit breakers, each assembly including: (i) a relay, responsive to the processing unit; (ii) a current sensor, electrically connected to the relay, the relay and the current sensor being electrically associated with the processing unit, and (iii) an electrical line having a first end connecting the relay assembly to the power source, and having a second end connecting to a local circuit breaker connected to at least one load; wherein each current sensor is adapted to provide, to the processing unit, data pertaining to current drawn via a particular local circuit breaker, and wherein the processing unit is configured to command the relay based on the signal received from the power source, and based on a set of rules provided to the processing unit, the set of rules including load priority information, such that each relay opens or closes in response to the command from the processing unit, so as to shut off or restore power to the electrical line.
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