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03

Apr2018
Uninterruptible Power Supply or commonly known as UPS, thought to be designed for emergency power supply, is a very common device in India. However, along with emergency power supply, it is also now used to correct other power quality problems. An UPS can ... Read More
April 3, 2018admin

28

Mar2018
With advancement in technologies, automobile and engineering sector has seen numerous changes in manufacturing technologies in last couple of decades. One of the key change is the type and use of welding machines. Welding process, which was earlier a time consuming and manual ... Read More
March 28, 2018admin

27

Mar2018
INTRODUCTION For long time the main concern of consumers of electricity was the continuity of the supply, i.e. the reliability. Nowadays, with the increased usage of power electronic devices consumer not only demand reliability, but quality too. The equipment being ... Read More
March 27, 2018admin

14

Mar2018
Power quality is important when market liberalization focuses on electricity price and regulators are focused only on energy efficiency. Lack of ... Read More
March 14, 2018admin

07

Mar2018
In today’s digital driven world, current in a neutral conductor is one of common problem faced by the electrical engineers in most of the commercial buildings, hospitals, IT/ITeS sector. In present load scenario of switch mode power supply (SMPS), even though loads are ... Read More
March 7, 2018admin

08

Feb2018
With the increasing focus on energy efficiency, Variable Frequency Drives (VFD) usage have increased rapidly in last few years. VFD penetration in the industrial domain has shot up for attaining energy efficiency, process optimization or control over process parameters. VFD’s are becoming an ... Read More
February 8, 2018admin

08

Feb2018
Harmonics are one of major power quality concern and it is affecting consumers, electricity distribution company and transmission company. With increase in awareness among the various stakeholders about impact of poor power quality, all stakeholders are becoming concerned about reducing harmonics in the ... Read More
February 8, 2018admin

25

Jan2018
APQI joins hand with The Society of Energy Engineers and Managers (SEEM) in announcing One day Seminar on Power Quality, supported by Athul Energy Consultants Pvt. Ltd., on 21st February 2018 at the Kerala Management Association Hall, Ernakulam, Kerala. This Seminar aims at ... Read More
January 25, 2018admin

22

Jan2018
INTRODUCTION The prime objective of the electric power industry in this era is to meet growing demand cleanly, reliably, sustainably, and at low cost. The Smart Grid vision is aiming for new products, processes & services, improving industrial efficiency and ... Read More
January 22, 2018admin

22

Jan2018
Conventional engineering terminology, which were as per linear load scenario are changing now with more non-linear loads being used by electricity consumers. This power system, where loads are dominated by non-linear loads, presence of harmonics generally will be considerable. Under such environment, a ... Read More
January 22, 2018admin