Abstract
Recently the electrical Power quality (PQ) has become a main concern for both utilities and customers because the load side on the costumer side gets affected and may get damage. This paper presents a discrete wavelet transform (DWT) based technique for the detection of power system operational events and power quality disturbances associated with these events. The power quality disturbances associated with the power system operation events such as switching on and off the loads, switching on and off the capacitor banks, tripping and reclosing the transmission lines, outage of the generator and utility network has been investigated effectively. The detailed simulation study of power quality disturbances has been carried out in MATLAB/Simulink environment.
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