Category Archives: Power Quality

Knowing IEC 61000-4-30 Class A

Published by Elspec Power quality refers to a set of electrical boundaries defined by various documented rules designed to allow electrical equipment to function in its intended manner without significant loss of performance or life expectancy, this includes the steady and stable supply of electricity delivered by the grid. In order to achieve this aimContinue reading “Knowing IEC 61000-4-30 Class A”

What is Harmonic Study and Analysis and Why it is Done?

Published by Carelabs (Carelabz) The current significant growth in electronic devices focusing providing our installations has given rise to a significant change in the last few years on the type of loads connected to the electrical distribution system. Not so long ago the only concern there was when using electricity at home, in establishments andContinue reading “What is Harmonic Study and Analysis and Why it is Done?”

What is Earth Grounding?

Published by Carelabs (Carelabz) IEEE defines earth as a conducting connection, whether intentional or accidental, by which an electric circuit or equipment is connected to the Earth, or to some conducting body of relatively large extent that serves in place of the earth. The connection(s) to Earth are done by an assortment of metallic means intended to beContinue reading “What is Earth Grounding?”

What & Why of PFC and PSC Test?

Published by Carelabs (Carelabz) Prospective Short Circuit (PSC) and Prospective Fault Current (PFC) are both designed to calculate the maximum current that will flow within a fault loop path during the event of an electrical fault as required by regulations.  The Prospective Short Circuit Current is the maximum current that could flow between Line and Neutral conductors on a single phase supply or between Line conductorsContinue reading “What & Why of PFC and PSC Test?”

What is Ground Fault Testing, Why is it Important?

Published by Carelabs (Carelabz) A ground fault is any short circuit that outcomes in an unintentional connection amid a ground and energized ungrounded phase conductor and ground. Ground faults are the most common type of fault on power distribution systems. They are due to the insulation failure or accidental grounding of an ungrounded phase conductorContinue reading “What is Ground Fault Testing, Why is it Important?”