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Learn about automotive on-board inverters
2022 / 01 / 10
Before understanding automotive inverters, it is important to understand the difference between AC and DC power sources. In basic terms, AC power is what you get out of your home's electrical outlet, and DC power is what you get from a battery. Since car batteries provide DC voltage, but most consumer electronics use AC power, if you want to use AC equipment on the road, you need a device called a car power inverter. With a car power inverter installed, you can plug any electronic device, plug it into the car, and use it normally, with a few caveats. Some of the most important limiting factors to keep in mind when using an inverter in a car include the capacity of the car battery, the rated output of the alternator and the output power of the inverter. How does an inverter work? Inverters work by simulating alternating current (AC) power using a unidirectional DC power source. Electronic inverters are essentially oscillators that rapidly switch the polarity of the DC power supply, which effectively produces a square wave. Since most consumer electronics products require functionality closer to a true sine wave, most inverters contain additional components that produce a modified or pure sine wave. When do you need a car inverter? People who spend a lot of time on the road need inverters. These units are particularly useful for long-distance travel, camping, business travelers, off-road truck drivers, and other similar applications.
2022 / 01 / 04
The car inverter is a kind of power converter that can convert 12V direct current into 220V alternating current which is the same as the mains power for general electrical appliances. From the output waveform, the car inverter can be divided into sine wave output and square wave output. The former output is the same sine wave alternating current as the grid we use daily, which can adapt to various loads, but the circuit structure is more complicated and the volume is larger. The latter circuit is simple, but it is picky about the load and cannot drive inductive loads. Combining the advantages of the two, the current commercial vehicle inverters without exception have adopted the scheme of outputting an analog sine wave. Compared with the square wave, the use effect has been improved. It can not only drive inductive loads, but also has a small size and weight. Lightweight, high conversion efficiency, stable output voltage, strong reliability, and perfect protection functions. How should we choose a good car inverter? 1. Choose a metal shell inverter: The car inverter is more likely to generate heat due to its large power. If the internal heat cannot be dissipated in time, it will affect the life of the components, and in the worst case, a fire will occur. On the one hand, the metal shell has good heat dissipation characteristics, and on the other hand, it also avoids the risk of fire. 2. In the
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