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In the time when the central government's "going global" became commonplace, the State Grid, the largest utility company in the world, had its own way out of the sea. There are few overseas investment projects and few projects are accumulatively implemented, but the assets of the project are large ... Read More
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Small meter, tens of thousands of households. For ordinary people, the most basic function of the meter is to record the production and consumption of electricity and electricity. In the era of "Internet +", smart meters not only provide more convenience for people's electricity consumption, but ... Read More
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At present, all countries in the world are reforming the traditional mode of production and management of the power industry so that the monopolized power industry will develop toward an open commercial operation and management. With the rapid development of technologies such as information, ... Read More
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With the widespread use of four types of meters, price differentials and the evolution of the Internet of Things, the smart meter industry in China is rapidly developing. In 2016, the cumulative shipment of smart meters in China was 280 million units, with a CAGR of 20.5% from 2011 to 2016. With the ... Read More
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1, Ordinary electric meter (Carousel meter) The working principle is: When the watt-hour meter is connected to the circuit under test, there is an alternating current in the current line and the voltage line, and the two alternating currents respectively generate alternating magnetic flux in their ... Read More
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Regular maintenance First of all, the installation of watt-hour meter should ensure that the energy meter board is strong, can not have the phenomenon of shaking, the height from the ground should not be greater than 2.2 meters, maintaining meter power meter body tilt control within 3 degrees, When ... Read More
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Changes in the external environment, or man-made mistakes, often have a certain impact on the meter. Therefore, the relevant technical staff should promptly maintain the meter, to ensure that the error of the energy metering device within the allowable range, otherwise it is easy in the calibration ... Read More
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Most of the rural power grid aging lines, lower line insulation; line voltage is low, large line loss. During the "Thirteenth Five-Year Plan" period, the pace of transformation and upgrading of rural power grids has been accelerated throughout the country. For the transformation of the power grid is ... Read More
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1, measuring chip: measuring range can reach more than 12 times; linearity: ± 0.2%; the use of models for the CS5460, ADE7755, ADE7751, ADE7758. 2, single-chip memory memory: a strong anti-interference ability of the United States imported microcontroller; United States Microchip US MOT, the ... Read More
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Smart meters as smart grid terminals have gradually come into our lives. According to statistics, China has completed the installation of about 258 million smart meters. There are about 70 million more needs each year. Instrument external miniature circuit breakers to achieve intelligent charging ... Read More
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