hybrid solar inverter
Description
An inverter is basically a compact, rectangular-shaped piece of equipment that is usually powered by either a combination of batteries hooked together in parallel or by a single 12V or 24V battery. In turn, these batteries can be charged by gas generators, automobile engines, solar panels or any other conventional sources of power supply.
Function
The primary function of an inverter is to convert Direct Current (DC) power into standard, Alternating Current (AC). This is because, whereas AC is the power supplied to industry and homes by the main power grid or public utility, the batteries of alternating power systems store only DC power. Moreover, virtually all household appliances and other electrical fixtures and equipment depend solely on AC power to perform.
Application
In refrigeration compressors
An inverter can be used to control the speed of the compressor motor to drive variable refrigerant flow in a refrigeration or air conditioning system to regulate system performance. Such installations are known as inverter compressors. Traditional methods of refrigeration regulation use single-speed compressors switched on and off periodically; inverter-equipped systems have a variable-frequency drive that control the speed of the motor and thus the compressor and cooling output.
Power grid
Grid-tied inverters are designed to feed into the electric power distribution system. They transfer synchronously with the line and have as little harmonic content as possible. They also need a means of detecting the presence of utility power for safety reasons, so as not to continue to dangerously feed power to the grid during a power outage.
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