Why do we care so much about power factor correction?
Power factor, as every electrical engineer should know, is defined as the ratio of real power to volt-amperes and is the cosine of the phase angle between the voltage and current in… Read more
Apr 15, 2016 | By Edvard Csanyi
5 anomalies in AC power that can damage your home devices
In addition to lightning, there are a number of other disturbances that can come in on the AC power lines and damage equipment. Some surge protectors can reduce or eliminate… Read more
Apr 11, 2016 | By Edvard Csanyi
Power Measurement On Four-Wire System Using Wattmeter Methods
A four-wire system is suitable to supply unbalanced, three-phase loads or single phase loads distributed on all three phases of a low voltage installation. When measuring power on a three-phase… Read more
Apr 06, 2016 | By Edvard Csanyi
Underground residential distribution – More hidden and more reliable
A classic underground residential distribution circuit is an underground circuit in a loop arrangement fed at each end from an overhead circuit (see Figure 1). The loop arrangement allows utilities… Read more
Mar 11, 2016 | By Edvard Csanyi
Reactive Power and Compensation Solution Basics For Students
The total power, the so-called apparent power, of a transmission network is composed of active and reactive power (Figure 1). While the power consumers connected into supply transform the active… Read more
Feb 17, 2016 | By Edvard Csanyi
Measurement of residual currents on a distribution feeder
The measurement of the earth fault or residual currents on a distribution system feeder can be done by the so-called summation connection, where the three current transformers, one in every… Read more
Jan 22, 2016 | By Edvard Csanyi
Electrical Distribution Architecture In Water Treatment Plants
For both drinking water and wastewater treatment, 4 different sizes of plants have been distinguished. The size of plants can be expressed in quantity of treated water per day, or… Read more
Jan 04, 2016 | By Edvard Csanyi
Distribution of the MV neutral conductor right to the loads
4-wire systems are characterized by distribution of the MV neutral conductor right to the loads. This type of distribution is used in the USA and in certain countries influenced by… Read more
Dec 16, 2015 | By Edvard Csanyi
The Complete Power Engineering Guide by SIEMENS
This updated edition (version 7.1) of the well-known Power Engineering Guide is a manual for everyone involved in the generation, transmission and distribution of electrical energy – from system planning,… Read more
Dec 05, 2015 | By Edvard Csanyi
Single-line diagram of the AC transmission and distribution system
The conductor system by means of which electric power is conveyed from a generating station to the consumer’s premises may, in general, be divided into two distinct parts i.e. transmission… Read more
Nov 13, 2015 | By Edvard Csanyi
Development of 22kV Distribution Systems and Switchgear
The 22kV distribution is primarily directed at urban and other densely populated areas, and our efforts are focused on reducing overall costs (by making the equipment more compact and reducing… Read more
Oct 10, 2015 | By Edvard Csanyi
The Basics Of Distribution Substations For Electrical Engineers (Beginners)
Distribution substations serve a wide range of private and public customers in distributing electric power. They can be shareholder, cooperatively, privately, and government owned. All substations contain power transformers and… Read more
Oct 07, 2015 | By Edvard Csanyi
Can you really reduce kVA billing after installing power capacitors?
This technical article I dedicate to stubborn factory owners who still don’t believe and don’t want to spend the money on optimizing the factory costs. Not all of them are… Read more
Sep 04, 2015 | By Edvard Csanyi
Solutions For Power, Control, Safety and Energy Efficiency In Low Voltage Applications
Released by SOCOMEC, this is very comprehensive application guide, applicable for low voltage applications for power, control, safety and energy efficiency. Guide contains 18 nicely divided sections: Low Voltage distribution Earthing arrangements,… Read more
Jul 04, 2015 | By Edvard Csanyi
4 Main Means For The Generation Of Reactive Power
The four main means for the generation of reactive power are: synchronous alternators, synchronous compensators (SC), static var compensators (SVC) and banks of static capacitors. Contents Synchronous alternators Synchronous compensators… Read more
Jun 29, 2015 | By Edvard Csanyi