Search

Premium Membership

Save 15% on Pro Premium Plan with discount code: UX778 (expires on October 31st). Study specialized LV/MV/HV technical articles and papers.

Archive: Category «Energy and Power»

Energy and Power

Protection of A.C. Electrified Railways

Many regional, urban and high-speed inter-urban rail networks worldwide are electrified, to provide the motive power for trains (Figure 1). The electrification system serves as the contact interface for current… Read more

Oct 30, 2015 | By Edvard

Protection of A.C. Electrified Railways
Energy and Power

Eight Most Common Schemes To Supply MV Switchboard

Medium voltage networks are made up of switchboards and the connections feeding them. Let’s take a look at the eight different supply modes of these medium voltage switchboards. We’ll start with… Read more

Oct 23, 2015 | By Edvard

8 Schemes To Supply MV Switchboard
Energy and Power

Phases and wires in distribution of AC power

AC power transmission is always at high voltage and mostly by 3-phase system. The use of single-phase system is limited to single-phase electric railways. Single-phase power transmission is used only… Read more

Oct 19, 2015 | By Edvard

Phases and wires in distribution of AC power
Energy and Power

4 Things Soil Resistivity Depends On

Though the ground itself being a very large body can act as an infinite sink for currents flowing into it and can be considered to be having very low resistance to current… Read more

Oct 17, 2015 | By Edvard

4 Things Soil Resistivity Depends On
Energy and Power

Testing Challenges in Large Ground Systems

Large ground systems, such as those found in substations and power stations, are an important part of the protection of the electricity supply network. They ensure that fault current will… Read more

Oct 12, 2015 | By Edvard

Testing Challenges in Large Ground Systems
Energy and Power

Few things that capacitors do perfectly

Capacitors provide tremendous benefits to distribution system performance. Most noticeably, capacitors reduce losses, free up capacity, and reduce voltage drop. Let’s go a little bit into details. By canceling the… Read more

Oct 05, 2015 | By Edvard

3 Things That Capacitors Do Perfectly
Energy and Power

Synchronizing Generator To The Grid

Having discussed the principles of synchronizing the generator to the grid, we will look briefly at the physical method of accomplishing it. In theory, there are at least two simple… Read more

Oct 02, 2015 | By Edvard

Old generator synchroscope used for matching the speed and phase angle of a generator before connecting it to the power grid


Learn to Design Power Systems

Learn to design LV/MV/HV power systems through professional video courses. Lifetime access. Apply a 15% discount code EAB77 and enjoy learning!

Subscribe to Newsletter

Subscribe to our Weekly Digest newsletter and receive free updates on new technical articles, video courses and electrical guides.