Energy and Power
How to identify these four parameters and lower facility’s electricity bill
The world is more energy conscious these days. But unlike you, most of the world doesn’t pay electricity bill that rivals the cost of a four bedroom home. You understand… Read more
Jan 13, 2016 | By Edvard Csanyi
Energy and Power
Real time reactive compensation – A case with 5 problems and solutions
A car equipment manufacturer’s plant in Concord (Ontario, Canada) is supplied by a transformer rated at 2000 kVA – 27.6 kV / 600 V – Yy – Ucc = 5.23 %. It… Read more
Dec 11, 2015 | By Edvard Csanyi
Electrical Lectures
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 | By Edvard Csanyi
Power Substation
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
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 Csanyi
Technical Guide/Paper
Electrical Design Of 132/33KV Substation
The project work assigned to us was to design a 132/33 KV EHV substation. We considered incoming power at 132 KV and the power was transferred to main bus through… Read more
Sep 19, 2015 | By Edvard Csanyi
Electrical Lectures
Voltage Drop Calculations For Engineers – Beginners
Voltage drop calculations using the DC-resistance formula are not always accurate for AC circuits, especially for those with a less-than-unity power factor or for those that use conductors larger than 2… Read more
Sep 19, 2015 | By Edvard Csanyi
Electric Motor
19 Essential Information You Can Find On Motor Nameplate
Motor nameplate is normally located on all produced electric motors. Understanding nameplate information can be hard sometimes, but is essential. In most countries it is a requirement for manufacturers to… Read more
Aug 29, 2015 | By Edvard Csanyi
Energy and Power
Example for Coordination of Cascaded Circuit Breakers
A 440 V 60 Hz switchboard feeds a 4-wire distribution board for small loads such as socket outlets. The switchboard has a fault making capacity of 100kA rms. After applying… Read more
Jun 24, 2015 | By Edvard Csanyi
Electrical Lectures
Cable sizing of sub-main electrical circuits (working examples)
A sub-main electrical circuit can be defined as a circuit connected directly from the main LV switchboard to a sub-main distribution panel or a rising main for final connection of the minor… Read more
Apr 29, 2015 | By Edvard Csanyi
Energy and Power
5 Types of equipment which generates the most harmonics
Harmonic load currents are generated by all non-linear loads. This includes: Switched mode power supplies (SMPS) Electronic fluorescent lighting ballasts Variable speed drives (VSDs) Uninterruptible power supplies (UPS) Magnetic-cored devices… Read more
Apr 27, 2015 | By Edvard Csanyi
Electric Motor
Comparison of motor speed control methods
It is often desirable to control the motor speed, usually for reasons process control for such variables as flow or pressure. Such applications as fans and pumps often have varying… Read more
Mar 13, 2015 | By Edvard Csanyi
Testing and Commissioning
Do Not Energize Oil-Filled Transformer Without Performing These 15 Tests and Checks!
The following tests and checks should be performed at a minimum to ensure that the transformer is ready to be energized. Do not energize the transformer without performing these tests… Read more
Feb 23, 2015 | By Edvard Csanyi
Energy and Power
Smart Load Management Strategies To Save Energy
As part of their drive towards synchronizing the consumption and production of electrical energy over the long term, energy distribution companies tailor their rates to encourage consumers to reduce their… Read more
Feb 18, 2015 | By Edvard Csanyi
Energy and Power
How can I select the right capacitors for my specific application needs?
Once you’ve decided that your facility can benefit from power factor correction, you’ll need to choose the optimum type, size, and number of capacitors for your plant. There are two… Read more
Feb 13, 2015 | By Edvard Csanyi
