Effect Of Power Quality On A Smooth Industrial Process

After finishing high school I will be attending St. Clair for their fast track power engineering program learning things like the operation of steam boilers and more depending on how far i go with the tickets, and if I decide to move away or stay close to home. First off in the power engineering field I have to know things from the operation of steam boilers, to refrigeration systems and more. Second there are different classes of power engineering ranging from the fourth class to the first class ticket with different salaries and places to work with each ticket. Lastly if I end up not being able to get a job in power engineering there are other options I could branch into with this course. After finishing high school and attending St. Clair for power engineering all these things need to be taken into account when figuring out where I will finally end up with my career.

Since the beginning, people have requested that Majestic Transformers create or fabricate a broad range of rectifier power supplies to distribute as a part of their application. Some of these units are as simple as fitting a bridge rectifier onto the output winding of a single phase or three phase transformer, while others are complicated. They involve using variable transformers, meters, line insulation monitors, and smoothing circuits ranging up to 7000A and injecting a current into railway conduction rail systems for testing, up to 5kV for running and testing high voltage

The innovative inverter technology produces safe, smooth power, protecting your sensitive electronics (computers, smartphones, etc.) from damage.

This chapter deals with the classification and basic operation of electric variable speed drive system and scope, merits and demerits of DC and AC drives. Then AC induction motor drive is selected for complete description. Here AC drive system is presented with its components like inverters, position sensors and current controller.

Abstract— this paper presents a brief overview of standards for power electronics. All the standards presented in this paper are currently active and are approved by the Institute of Electrical and Electronics Engineer Standards Association (IEEE-SA) and American National Standards Institute (ANSI).

Submitted in partial fulfilment of the requirements for the degree of Master of Engineering (Coursework)

Power electronic converters, especially DC/AC inverters have been extending their range of use in industrial application because they provide better system efficiency, reduced energy consumption and improved quality of power. The output voltage of inverter could be fixed or variable at a fixed or variable frequency and output waveforms are therefore made up of discrete values, producing fast transition

2Control & Mechatronics Engineering, Faculty of Electrical Engineering, Universiti Teknologi Malaysia, 81310 Skudai Johor Bahru, Malaysia

The increase of electronic equipments has caused the increase in the nonlinear loads and due to these loads power quality is being deteriorated. The supply voltage is distorted due to harmonic currents drawn from the supply by nonlinear loads. Distorted currents and voltage cause the user’s equipment to not work properly, conductors will overheat and may decrease the efficiency and life of the equipment. Usually a passive LC power filter is employed to wipe out the current harmonics

For emolument of current harmonics (if any), the instantaneous resoluteness of different active and reactive powers is utilized - the active and reactive powers are computed utilizing p-q theory. No restrictions are imposed on the voltage or current wave forms, and it can be applied to three-phase systems with or without a neutral wire for three-phase generic voltage and current wave forms. Thus, it is valid not only in steady state, but withal in transient states.

The objective of the study is to develop a realizable inverter design that would be reliable, cost effective, efficient, and maintainable. The inverter is to be powered from a 12Vdc/40Ah battery source and it is to generate a 220VAC/50Hz with a power rating 500VA. Other objectives of the study include:

bDepartment of Electrical Engineering, Faculty of Engineering, Universitas Sriwijaya, 30662 Inderalaya, Ogan Ilir, South Sumatera, Indonesia

Department of Electrical, Electronic and Systems Engineering Universiti Kebangsaan Malaysia 43600 UKM, Bangi, Selangor, Malaysia email: mamun.reaz@gmail.com

Student: Vishal Kasotia Project Guide: Mr Ajay Sharma. College: Indian Institute of Technology Roorkee Course: Electrical Engineering with Specialization in Power Electronics (EPE) Enrolment Number: 12212014 Internship Period: May 11, 2015 – July 3, 2015

So that the voltage and current is of poor qualities and the switching frequency causes more amount of switching losses. Those drawbacks are rectified using three phase neutral point clamped multilevel inverter. The voltage and current quality are better and the switching losses are reduced when compared to the conventional technique. Also the THD is found to be better.