Energy meter Full-time Job

An electricity meter, electric meter, electrical meter, energy meter, or kilowatt-hour meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device. Electric meter or energy meter measures(1) Electric energy meters can be divided into DC electric energy meters and AC electric energy meters according to the circuits they use. AC electric energy meters can be divided into single phase energy meters, three-phase three-wire electric energy meters and three-phaseA relay is an electrically operated switch. It consists of a set of input terminals for a single or multiple control signals, and a set of operatingA printed circuit board (PCB) is a laminated sandwich structure of conductive and insulating layers. PCBs have two complementaryA potential transformer (PT) is an instrument used to transform voltage. However, the purpose of the transformer to transform voltage is to facilitate the transmission of electric energy, so the capacity is very large, and it is generally calculated in kVA or MVA;A current transformer is an instrument that converts a large current on the primary side into a small current on the secondary sideliquid crystal molecules to generate dots, lines, and surfaces with the back light tube to form a picture. IPS, TFT, and SLCD are all subclasses of LCD. Its working principle is that under the action of the electric field, the alignment direction of the liquid crystal molecules is