Publication: Design of PWM Generator Controller of Reference Signals for Grid Connected Inverter
Date
2020-09
Authors
Amal Lina binti Saidin
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Abstract
Inverters are devices that are used for converting DC voltages sources into AC voltages form in order to be injected into power system. The use of this device in power systems is to ensure renewable energy that has DC voltages nature can be transformed into an AC form that is appropriate for the desired power transfer in terms of frequency, magnitude, and phase angle. The amount of power to be transferred between busses will depend on the difference in voltage phase angle between busses. The difference between the voltage phase angle of busses can be changed by adjusting the voltage frequency momentarily on one of the busses. For an inverter, this can be done by changing the reference signal frequency. The use of Pulse Width Modulation in inverters to control the switches used to perform voltage inversion in the Voltage Source Inverters. The input of PWM is used of reference signal that generated by park transformation that performing calculations in the PQ domain or namely after the voltages and currents. In this paper, introduce the generating reference signal used by park transformation technique used to control the PWM in inverters will be presented. The project aims at controlling this frequency in order to change the power transfer between busses. The main idea behind this method is the same as the load angle concept used in synchronous machines which determines a generator's power transfer to load.
Description
Interim Semester 2020/2021
Keywords
Controller of Reference Signals