In industrial applications, the main types of equipment that generate harmonics are: static converters, arc furnaces, lighting, saturated reactors and other equipment, such as rotating machines which generate slot harmonics… Read more
Jan 31, 2018 | Energy and Power
Unbalance in the supply voltage is typically due to a broken phase condition somewhere in the upstream network. This may result from single-phase fuse failure or pole discrepancy of a… Read more
Jan 29, 2018 | Electric Motor
The purpose of a capacitor bank’s protective control is to remove the bank from service before any units or any of the elements that make up a capacitor unit are… Read more
Jan 24, 2018 | Energy and Power
The starting point for planning a switchgear installation is its single line diagram. This indicates the extent of the installation, such as the number of busbars and branches, and also… Read more
Jan 22, 2018 | High Voltage
The main faults in power networks are the single-phase short-circuit and the short-circuit to ground. The short-circuit to ground is a conductive connection between a point in the network belonging…...
Jan 18, 2018 | Premium Content ♛
First, let’s say few words about shaded-pole motors, and then dive into calculation procedure. A shaded pole motor is the simplest form of a single phase motor and is very… Read more
Jan 17, 2018 | Electric Motor
In order to understand network problems with triplen harmonics, first let’s have a short explanation of harmonic phase sequence and third harmonics. Power engineers have traditionally used symmetrical components to… Read more
Jan 15, 2018 | Energy and Power
The protection that is recommended and commonly applied for transformers is summarized in the following figures. It should be noted and recognized that these are general recommendations, not strict. More… Read more
Jan 12, 2018 | Protection
It’s not always an easy task to explain what is what in high voltage substations. Shapes of the major elements are mostly similar through substations, but there are also combinations… Read more
Jan 10, 2018 | Power Substation
The towers and conductors of a transmission line are familiar elements in our landscape. However, on closer inspection, each transmission line has common components with unique characteristics, beginnings and ends…. Read more
Jan 08, 2018 | Power Substation
