(one) switch equipment integrated monitoring device
Switching equipment integrated monitoring device to realize the state monitoring, state power switch equipment complete set of instructions,auxiliary control and diagnosis function, the switch equipment is the originaltemperature and humidity control, instructions, loop indication functions are integrated into a single device, it also provides image monitoring, monitoring of insulation, voltage / current measurement, the circuit breaker device condition monitoring, intelligent diagnosis, the chassis and the grounding knife electriccontrol functions, provide favorable conditions for the realization of intelligentpower distribution system. Intelligent power switch device using signal detection and processing of advanced technology, to achieve internal powerswitch equipment insulation, temperature, partial discharge, electrical parameters (voltage, current, power, power factor) continuous monitoring,realize the online diagnosis of operating condition of electric power switch equipment adopts embedded expert system technology, and can appear abnormal when active alarm information and provide adequate maintenance,operation instruction inside the device. Intelligent power switch device integrated detection device integrates video image monitoring system,embedded online detection and diagnosis analysis functions, meet thedistributed communication function of the IEC61850 communication standard,device can run data switch electric equipment life cycle. Monitoring anddiagnosis system for intelligent power switch inside the equipment adopts modular structure design optimization, system scheme can be combined flexiblyaccording to the need of project, can be applied to the line, feeder, mother,measurement, protection and transformer and other equipment.
(two) the intelligent indoor HV vacuum circuit breaker
Intelligent indoor vacuum circuit breaker is used for indoor switch equipment of 12 kV power system, can be used as the protecting power equipment,industrial and mining enterprises dynamic system and control unit. VS1 (I)series of intelligent circuit breaker with online monitoring and diagnosis function, the rated voltage is 12kV, the highest rated working current of 4000A. With the conventional medium voltage withdrawable circuit breaker,circuit breaker has perfect online condition monitoring, diagnosis,communication and data recording and chassis vehicle electric control function, significantly improve the circuit breaker system intelligent andreliability. Intelligent 10~24KV medium voltage vacuum circuit breakerrepresents the development direction of the next generation of medium voltage circuit breaker; high precision displacement transducer with special designintegrated within the intelligent circuit breaker, realize the online measurementduring closing switch, circuit breaker; detection on the circuit breaker toopening, closing and internal energy storage voltage waveform, current loopas the foundation, the circuit breaker mechanism, control system, spring coil and motor on-line fault diagnosis. In the intelligent type of medium voltage vacuum circuit breaker, is also designed with the main contact temperaturemeasurement component for wireless communication based on 2.4Gfrequency, wireless communication technology and control technology ofconflict detection and retransmission mechanism based, realize the stabletransmission reliable isolation and information level of potential; on the high pressure side, specialized development the small starting current, stable double winding CT wide range of electric technology, the CT uses thetemperature control winding, can be implemented in a loop current fluctuationsin 100 times, monitoring system of temperature rise of less than 10oC.Intelligent 10~24KV medium voltage vacuum circuit breaker electronic system monitoring and diagnosis algorithm accuracy of test precision circuit breaker off-line, using DMA hardware interrupt handling real-time data, suitable forcircuit breaker quick points need fast joint. Intelligent type of medium voltage vacuum circuit breaker with digital communication interface, communication protocol accords with fieldbus standard.