An inverter converts direct current (DC) electrical energy (from batteries or accumulators) into alternating current (AC) electrical energy (typically 220V, 50Hz sine wave or square wave). In layman's terms, an inverter is a device that converts direct current (DC) into alternating current (AC). It consists of an inverter bridge, control logic, and a filter circuit.

It is widely applicable to air conditioning, home theater, electric grinding wheel, power tools, sewing machine, DVD, VCD, computer, television, washing machine, range hood, refrigerator, video recorder, massager, fan, lighting, etc.

In simple terms, an inverter is an electronic device that converts low-voltage (12, 24, or 48 volts) direct current (DC) into 220-volt alternating current (AC). Because we usually rectify 220-volt AC into DC for use, and the function of an inverter is the opposite, it is named accordingly. We are living in an era of "mobility", with mobile office, mobile communication, mobile leisure, and entertainment. In a mobile state, people not only need low-voltage DC supplied by batteries or accumulators, but also require the 220-volt AC that is indispensable in our daily environment. An inverter can meet this demand.

The role of AC-DC switching power supply price in China

AC/DC switching power supply prices in China are categorized into standalone solar power inverters and grid-connected solar power inverters in applications. Standalone solar power inverters are primarily used in remote areas without household electricity and for individual household users, while grid-connected solar power inverters are mainly employed in desert power stations and urban rooftop power generation systems.

In fact, the overall function of the AC-DC switching power supply in China is to obtain corresponding sinusoidal AC power through a full-bridge circuit, followed by modulation, filtering, and boosting using a SPWM processor, and ultimately supply it to end-users who require electricity. Solar energy serves as the energy-providing system, while the inverter is a device that converts current. The energy from solar panels is converted into usable DC power through the inverter and stored in batteries for later use. This is the function of the AC-DC switching power supply in China, making it a core component of photovoltaic and wind power generation systems. However, it is important to note that the low cost of new energy generation requires the AC-DC switching power supply in China to operate at high speed.

The function of an automotive inverter

The primary function of an inverter is power conversion. After using an inverter, car owners can install many electrical devices in their cars, just like a household power strip. Car owners can charge their phones, use laptops, game consoles, and power tools in the car. Compared to the small power supply of the cigarette lighter, it is more convenient to use and there is no need to worry about the voltage being too high, which could cause the cigarette lighter power supply to fail.

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