Electric energy savings are influenced by magnitude of reactive power used by electric customers, one of the tools that can minimize reactive power is the inverter, which is an electronic equipment, that can change the direct current of electricity to alternating current, The method used is by measuring along with analysis of calculation each time the inverter is given the burden of energy-saving lamps with varying power to determine the change in the electrical quantities to be analyzed. Inverter efficiency in doing the convert direct current to alternating current during low load (5W) amounted to 94.66%, and the highest load current (203W) amounted to 90.55%.
In general Audio Amplifier using linear transformer-based power supply as energy conversion. Such use may cause interference with electrical installation sourced from the substation circuit. The non-linear load would cause problems in the electrical installation system. This research shows that Switch Mode Power Supply (SMPS) has a minimum voltage Vdrop output load of about 100 to 33.33 ohms. On the burden of 25-20 ohms as the voltage Vdrop output, which is different from Linear Power Supply Transformer-based parameters, that its voltage Vdrop output was changed significantly.
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