Inverter is the conversion of DC power (battery, storage battery) into alternating current (typically 220v50HZ sine or square wave). Emergency power supply is generally to invert the DC battery into 220V AC. In general, an inverter is a device that converts direct current (DC) to alternating current (AC). It consists of an inverter bridge, control logic and filter circuits. Widely used in air conditioners, home theaters, electric grinding wheels, power tools, sewing machines, DVD, VCD, computers, televisions, washing machines, range hoods, refrigerators, video recorders, massagers, fans, lighting, etc.
Simply put, an inverter is an electronic device that converts low voltage (12 or 24 volts or 48 volts) direct current to 220 volts AC. Because we usually use 220 volt AC to be converted to DC, and the inverter has the opposite effect, hence the name. We are in a "mobile" era, mobile office, mobile communication, mobile leisure and entertainment. In the mobile state, people not only need low-voltage DC power supplied by batteries or batteries, but also need 220 VAC, which is indispensable in our daily environment, and the inverter can meet our needs.
Metal Film resistor is Film resistor (Film Resistors) of a kind.It is the high temperature vacuum coating technology will be closely attached to the porcelain nickel chromium alloy or similar bar surface skin membrane, after debugging cutting resistance, in order to achieve the final requirements precision resistance, then add appropriate joint cutting, and on its surface coated with epoxy resin sealing protection.As it is a lead resistance, it is convenient for manual installation and maintenance, and is used in most household appliances, communications, instruments and instruments.
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