Technical Guide/Paper
Electrical Safety
Metallic parts of electrical equipment that can be exposed to voltage due to insulation failures are usually connected to earth potential, that is, earthed. This is done to protect the… Read more
Feb 07, 2015 | By Edvard Csanyi
Datacenters
Sizing a Static UPS System In Data Center
Choosing the power of a static UPS system serving a data center is a decision that involves various elements and which cannot be made before, or independently from, the choice of… Read more
Jan 23, 2015 | By Edvard Csanyi
Transformers
Why cooling is essential for long transformer life?
As you already know, cooling is really essential for long transformer life. Most transformers are designed for 55°C or 65°C rise. Using newer insulations such as Nomex, temperatures of 95°C… Read more
Jan 09, 2015 | By Edvard Csanyi
Energy and Power
Factors affecting transient stability – Faults analysis
A power system may be said to have transient stability if the various generating stations will regain equilibrium following a periodic system disturbances. System disturbances which cause the greatest trouble are those… Read more
Dec 24, 2014 | By Edvard Csanyi
Technical Guide/Paper
Lighting And Electrical Systems Design Guide (Elementary School Building Example)
The lighting and electrical design of elementary school is divided into following parts: electrical design, lighting design, fire alarm design, and telecom design. The school’s electrical system will consist of three-phase… Read more
Dec 06, 2014 | By Edvard Csanyi
Energy and Power
Providing capacitive reactive compensation with shunt capacitor banks
Shunt capacitor banks are mainly installed to provide capacitive reactive compensation – power factor correction. The use of SCBs has increased because they are relatively inexpensive, easy and quick to… Read more
Dec 03, 2014 | By Edvard Csanyi
Energy and Power
An overview of Wye and Delta solidly-grounded systems
The solidly-grounded system is the most common system arrangement, and one of the most versatile. The most commonly-used configuration is the solidly-grounded wye, because it will support single-phase phase-to neutral… Read more
Nov 26, 2014 | By Edvard Csanyi
Energy and Power
What are the consequences of high harmonic distortion levels?
Just as high blood pressure can create stress and serious problems in the human body, high levels of harmonic distortion can create stress and resultant problems for the utility’s distribution… Read more
Nov 24, 2014 | By Edvard Csanyi
Energy and Power
Quick estimation of the short circuit current at the end of a feeder
If we consider a branch circuit going away from the point of supply and follow it radially along all the connections and branches, we shall find that further away we… Read more
Nov 21, 2014 | By Edvard Csanyi
Low Voltage
7 practical tips for installing a good measuring system
There are different product families on the market: instruments that measure a single electric parameter (voltage, current, frequency, phase angle cosϕ), generally used in single phase systems, as instrumentation on… Read more
Nov 14, 2014 | By Edvard Csanyi
Cables
Characteristics of XLPE insulated cables
XLPE is the recognized abbreviation for cross-linked polyethylene. This and other cross-linked synthetic materials, of which EPR (ethylene propylene rubber) is a notable example, are being increasingly used as cable… Read more
Nov 12, 2014 | By Edvard Csanyi
Technical Guide/Paper
How to assemble low voltage electrical switchboard (Technical guide)
This guide presents and illustrates all the best practices to apply when building low-voltage switchboards, in compliance with IEC standards 61439-1 and -2. The application of these rules means strict compliance, not… Read more
Oct 25, 2014 | By Edvard Csanyi
Electric Motor
14 energy-efficiency improvement opportunities in pumping systems
Pump systems consist of pumps, driver, pipe installation and controls (such as ASDs or throttles) and are a part of the overall motor system. Below some of the energy efficiency… Read more
Oct 13, 2014 | By Edvard Csanyi
Energy and Power
Rating Definitions Applied to Medium Voltage Fuses
The definition of low voltage fuses is equally applicable to medium voltage fuses. Medium voltage level is defined by standard ANSI C84 as containing standard system voltages from 2400 through 69,000 V,… Read more
Oct 03, 2014 | By Edvard Csanyi
Energy and Power
The need for electric energy is never ending
As you guess, yes, the need for electric energy is never ending. Along with the growth in demand for electric power, sustainable development, environmental issues, and power quality and reliability… Read more
Sep 22, 2014 | By Edvard Csanyi
