Technical Guide/Paper
Protection of Shunt Capacitor Banks
Shunt capacitor banks (SCBs) are widely used in transmission and distribution networks to produce reactive power support. Located in relevant places such as in the vicinity of load centers the… Read more
Feb 07, 2015 | By Edvard Csanyi
Energy and Power
Calculating Max. Demand Kilovolt-Amperes and Required Cable Current Rating
A building site is to have the following electrical equipment available for use: Tower crane, electric motors totalling 75 kW at 415 V; Sump pump, 5 kW at 240 V;… Read more
Feb 02, 2015 | By Edvard Csanyi
Energy and Power
Important generator set (genset) rating considerations
A generator set (genset) consists of an engine and a generator and it is best to consider each of them as a system. Individually, each has unique characteristics, but together these qualities have a… Read more
Jan 30, 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
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
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
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
Energy and Power
8 most important definitions to quantify load diversity
The most vital, but often the last to be acquired, pieces of information for power system design are the load details. An important concept in load planning is that due to… Read more
Oct 31, 2014 | By Edvard Csanyi
Electric Motor
Energy Efficiency Aspects of Electric Motors
Three-phase squirrel-cage induction motors comprise a considerable percentage of the electrical load in the United States. Design, operation, and maintenance of these machines is well described in some of the… Read more
Oct 01, 2014 | By Edvard Csanyi
Electric Motor
8 Energy-Efficiency Improvement Opportunities In Electric Motors
When considering energy-efficiency improvements to a facility’s motor systems, a systems approach incorporating pumps, compressors, and fans must be used in order to attain optimal savings and performance. In the… Read more
Sep 29, 2014 | By Edvard Csanyi
Industrial Automation
10 Things to Consider When Selecting a High Quality Medium Voltage Drive
Medium voltage drives have been available for over 35 years, but have only recently achieved very high reliability and simplicity within the past few years. Below are 10 considerations on… Read more
Sep 17, 2014 | By Craig Hartman
Energy and Power
Maintenance Management Of Electrical Equipment (Condition Monitoring Based) – 4
Read previous parts of this serie – Part 1, Part 2 and Part 3 After deciding to go for the implementation of CDM based on evaluation of various factors discussed in foregoing… Read more
Sep 05, 2014 | By Ashok Parikh
Energy and Power
5 Key Elements of Your Electricity Bill
Electricity is a powerful form of energy that is essential to the operation of virtually every facility in the world. It is also an expensive form of energy that can represent… Read more
Aug 29, 2014 | By Edvard Csanyi
Technical Guide/Paper
Distribution transformer calculations – MS Excel Spreadsheet
Distribution transformer calculations spreadsheet provides fast calculations for the following: Determining the MV/LV transformer rating, calculating overcurrent protection device rating on the low voltage side of the transformer, calculating the… Read more
Aug 23, 2014 | By Edvard Csanyi
Cables
An example how to calculate voltage drop and size of electrical cable
Electrical load of 80KW, distance between source and load is 200 meters, system voltage 415V three phase, power factor is 0.8, permissible voltage drop is 5%, demand factor is 1…. Read more
Jun 30, 2014 | By jiguparmar
