Basic measuring devices explained through cute simple schemes

In this technical article, you should gain a basic understanding of the desirable properties of practical devices for the measurement of electrical parameters. The measurements most often of interest are… Read more

Oct 21, 2015 | Edvard

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 | Edvard

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 | Edvard

9 basic rules for dimensioning of electric circuits

Basically, the dimensioning process itself is easy to understand and can be performed using simple means. Its complexity lies in the procurement of the technical data on products and systems,… Read more

Oct 16, 2015 | Edvard

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 | Edvard

10 Important Definitions Applied To Low Voltage Fuses

The simplest of all overcurrent protective devices are fuses. A fuse is an overcurrent protective device with a circuit-opening fusible part that is heated and severed by the passage of the… Read more

Oct 10, 2015 | Edvard

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 | Edvard

Synchronizing Generator To The Grid

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

Oct 02, 2015 | Edvard

Substation AC Auxiliary Supply For Inessential Loads

The purpose of auxiliary power supply systems is to cater for the necessary energy for the operation of primary and secondary devices at the substation. The auxiliary power systems are… Read more

Sep 30, 2015 | Edvard

Acceptable levels of distortion in the mains supply system

In the mains supply system, harmonic voltage distortion is the consequence of the flow of harmonic currents through the impedances in the power supply circuit connected to the converter. A… Read more

Sep 26, 2015 | Edvard