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NB/T 10861-2021 "design specification for the configuration of measuring devices in hydroelectric power plants" provides detailed requirements and guidance for the configuration of measuring devices in hydroelectric power plants.Measuring device is an important part of the operation monitoring of the hydroelectric power plant.The measurement of the hydroelectric power plant is mainly divided into electrical quantity measurement and non-electric quantity measurement.Electrical measurement refers to the measurement of electrical real-time parameters by means of electricity, including current, voltage, frequency, power factor, active/reactive power, active/reactive energy, etc.; non-electricity measurement refers to the use of transmitters to convert non-electricity Measure 4-20mA or 0-5V electrical signals, including temperature, speed, pressure, liquid level, opening, etc.This essay only discusses the measuring device and power consumption management system of the hydroelectric power plant according to the standard, and does not involve the microcomputer protection configuration of the hydroelectric power plant.

This article expounds the main functions of the traditional IC card prepaid energy meter, analyzes its application advantages and disadvantages; introduces in detail the function expansion of prepaid energy meter after integrating communication technology ,intelligent control technology And promote the practical value, to describe the possible technical development trend of prepaid energy meter.

This company is located in Indonesia and is the installation telecommunication service company in Indonesia. Mainly used DC multi-function meter PZ72L-DE/C and shunt, used to measure and monitor current and voltage in telecommunication station.

In recent years, in response to global warming and climate change caused by greenhouse gas emissions，many countries have focused on promoting electric vehicles to replace traditional fuel vehicles. And the construction of charging piles is very important in the promotion of new energy vehicles.Therefore, a large number of charging pile projects have emerged around the world.

DigIoT is an electric IoT company, providing electrical IoT services for local substations. Customer consults Acrel wireless temperature measurement products, attending through Acrel ATE wireless temperature sensor and ATC receiver, the cable in the switchgear temperature detection, And through RS485 communication data transmission to the back platform for real-time monitoring, can effectively prevent overheating failure, affect the normal operation of equipment, avoid safety risks.