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Archive: Category «Energy and Power»

Energy and Power

When To Use a Solidly Grounded System?

As is evident from the name, a solidly grounded system is one where the neutral of the system is directly connected to ground without introducing any intentional resistance in the… Read more

Jun 10, 2015 | By Edvard

Energy and Power

What Is The Poor Power Quality?

Most electrical and electronic equipment is designed to operate from a power supply with a particular specification that usually defines the minimum and maximum limits for RMS (root mean-square) voltage… Read more

Jun 05, 2015 | By Edvard

What Is Poor Power Quality?
Energy and Power

Understanding Transfer Switch Transition Types

Transfer switches are used for quickly and safely transitioning all electrical power consumed by the circuit, equipment, or systems connected to the transfer switch output between those normal and emergency power… Read more

Jun 03, 2015 | By Edvard

Socomec transfer switch installed in switchboard
Energy and Power

The Philosophy Of Breaker Failure Protection

The separation of equipment into zones will only work successfully if the outputs of the protections can be guaranteed to do their job. This makes logical sense. For the bus… Read more

May 29, 2015 | By Edvard

Cables

Few Aspects of Copper versus Aluminium

The constructions of aluminum wire and terminals have both been revised from past years. At one time the conductor was nearly pure aluminum, now they are all much stronger 8000… Read more

May 27, 2015 | By Edvard

Few Aspects of Copper versus Aluminium
Electric Motor

5 most common motor load types

Certain load types are characteristic in the industrial world. Knowing the load profile (speed range, torque and power) is essential when selecting a suitable motor and frequency converter for the… Read more

May 20, 2015 | By Edvard

5 most common motor load types
Energy and Power

Calculating the short circuit heating of busbars

Like all electrical circuits, busbars need to be protected against the effects of short-circuit currents. The open construction of busbars increases the risk of faults, e.g. by the ingress of… Read more

May 01, 2015 | By Edvard

Calculating The Short-Circuit Heating Of Busbars
Energy and Power

5 Types of equipment which generates the most harmonics

Harmonic load currents are generated by all non-linear loads. This includes: Switched mode power supplies (SMPS) Electronic fluorescent lighting ballasts Variable speed drives (VSDs) Uninterruptible power supplies (UPS) Magnetic-cored devices… Read more

Apr 27, 2015 | By Edvard



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