Nowadays with increasing use of numerous nonlinear loads, voltage and current harmonics in power systems are one of the most important problems power engineers encounter. Many of these nonlinear loads, because of their dynamic natures, inject time-varying harmonics into power system. Common techniques applied for harmonics measurement and assessment such as FFT have significant errors in presen...

It is known from the fact that Harmonic Distortion is one of the main power quality problems frequently encountered by the utilities. The harmonic problems in the power supply are caused by the non-linear characteristic based loads. The presence of harmonics leads to transformer heating, electromagnetic interference and solid state device mal-functioning. Hence keeping in view of the above conc...

With significant development of power converter technologies, there has been a rise of interest in an active power filter (AF). It is now well known that an active filter can easily compensate for harmonic current contents in the load current by inserting negative harmonics into the power network [B3]-[B10]. Basic principle of an active harmonic compensation is shown in Fig. 2.1. The AF can can...

An active power filter implemented with multiples single-phase full bridge voltage-source inverters connected in series (known as cascaded hybrid asymmetric multilevel inverter or binary multilevel VSI) is presented and analyzed in this paper. The proposed active power filter is aimed to compensate current harmonic components in medium and high voltage power distribution systems. A control sche...

This paper presents an efficient harmonic detection for real-time generation of the reference current fed to a shunt active power filter using ADALINE neural network. proposed method is single layer with 101 nodes generating coefficients referred as weights model. It effectively overcomes drawback technology, which instantaneous theory (PQ). The was implemented on TMS320F28335 DSP board and tes...

Power quality standards (IEEE-519) compel to limit the total harmonic distortion (THD) within acceptable range caused by rapid usage of power electronic equipment. This paper envisages on the simulation of instantaneous active and reactive theory based shunt active filter with MATLAB/ Simulink, as a better solution for reduction of the harmonics.

This paper talks about the analysis of a high frequency series resonant inverter for using domestic and industrial induction heating purpose. It is a technique i.e. used for heat conductive materials hard and soft metals. Series Resonant inverters which operate at high frequency preferable for induction heating which normally works in 5-55KHz. High frequency series resonant inverters which is m...