Conductors represent the most important component of an overhead power line because they have to ensure economical and...

Colour is a subjective psycho physiologic interpretation of the visible electromagnetic spectrum. Luminous sensations...

National and international standards define the manner in which electric circuits of Low Voltage (LV)...

This is a discussion of the basic principles behind electrical grounding systems and how grounding is related to safety and the effective...

Emergency and standby power systems are generally designed into the overall electrical system for one of the following two reasons...

When we examine electrical protection schemes, the best place to start is with electrical bus protections, as they are the easiest...

Power Quality (PQ) related issues are of most concern nowadays. The widespread use of electronic equipment, such as information technology..

The purpose of this document is to establish design and installation practices for copper conductors that not only adhere to the NEC...

Various types of devices are available for carrying out the switching and protection tasks listed under a title that are specially...

When a charge is delivered to a conductor its potential is raised in proportion to the quantity of charge given to it...

GE provides solutions that offer grid operators the ability to provide VAr support, enhance controllability, improve stability...

A motor can be marketed as a NEMA Premium motor if it meets or exceeds a set of minimum full-load efficiency levels...

Transformer protection should take into account the power, voltage, vector group and the importance of the unit within a particular system..

As you know good insulation has high resistance; poor insulation, relatively low resistance...

An electrical substation is a critical resource in a power system. Safe operation of a substation calls for a properly designed and...

A power system can be either single-phase or polyphase. Figure 1 illustrates single-phase power, which is most commonly found in homes...

There are two main ways for the transmission of large quantities of electric energy over long distances...

As with any equipment, an electrical system handles its job to some degree of efficiency ranging from poor to excellent...

To the uninitiated, SCADA may seem like just another chunk of consonants and vowels floating around in the alphabet soup of today’s...

It is difficult to imagine a world without lights, computers, stereos, or microwave ovens. A few hundred years ago, these items...

Electrical motors must be accelerated from rest up to the operating speed with a starting device. In the case of variable speed drives...