Solar Inverter with Auto Overload Protection
Abstract
We live in a wired world, where nearly everything in our lives requires a steady supply of electricity to remain in operation. Sometimes extreme weather conditions, car accidents, falling trees, unusually high power demands, or even damage caused by animals can cause severe disruptions in a local or regional electrical grid, leaving our home without electricity for hours or more at a time. So, we use inverter in our houses. Inverters are widely used in the domestic as well as industrial environments to serve as a second line of source. A solar inverter’s main job is to convert DC power generated from the photovoltaic cell into AC power. Hybrid inverters go a step further and work with batteries to store excess power as well. But this solar inverter system is inefficient in charging the battery during cloudy weather condition.[1] n overload protection system for a power inverter utilizes a first circuit for monitoring current to the load from the power inverter to detect an overload and a control circuit to shut off the power inverter when an overload condition is detected. At the same time a monitoring current inverter is turned on to deliver current to the load at a very low power level. A second circuit monitors current to the load from the monitoring current inverter to hold the power inverter off through the control circuit until the overload condition is cleared so that the control circuit may be deactivated in order for the power inverter to be restored after the monitoring current inverter is turned off completely.
