How not to select the wrong generator set (genset) for your application
Generator set is maybe the most expensive part you can find in a substation. Therefore, many factors must be considered when determining the proper size or electrical rating of an… Read more
Jul 31, 2019 | By Edvard Csanyi
Issues with distributed generation protection (bulk power and distributed generators)
Besides a number of benefits, there are some technical problems with relay protection of distributed generators. It turned out to be one of the most problematical technical issues since its… Read more
Jul 10, 2019 | By Edvard Csanyi
Typical electrical distribution scheme and SCADA system of an oil/gas production plant
Power can be provided from mains power or from local gas turbines or diesel generator sets. Large facilities have high power demands, from 30 MW and upwards to several hundred… Read more
Jun 12, 2019 | By Edvard Csanyi
Internal electrical systems within nuclear power plant stations (power sources)
Electrical systems within a nuclear power plant (NPP) deserve significant design considerations. The availability of on-site as well as off-site power plays a crucial role in nuclear power plant safety… Read more
Apr 29, 2019 | By Edvard Csanyi
What is negative sequence current and how does it affect generator work
As you know, generators and motors are supposed to operate with balanced three-phase loading, but exposure to unbalanced currents is inevitable. Unbalances could arise from many different sources like unbalanced… Read more
Feb 25, 2019 | By Edvard Csanyi
Sizing a MV generator circuit breaker (GCB) in terms of breaking capacity
The main function of a circuit breaker is to carry the rated current of the generator and break both the short-circuit current supplied by the generator and that supplied by… Read more
Jan 14, 2019 | By Edvard Csanyi
Protection Of The Power System Heart – The Generator
This technical article gives key points about the generator protection. To recover the generator from various kinds of faults, the generator protection scheme of the plant must be designed in such… Read more
Dec 05, 2018 | By Edvard Csanyi
Generator earthing and stator earth fault protection
Generating unit is a pretty complex system made up of the generator stator winding, its transformer and unit transformer (if present), the rotor with its field winding and excitation system,… Read more
Aug 06, 2018 | By Edvard Csanyi
Why does generator-current breaking differ from other switching devices in T&D systems
There are few switching situations that differ from the duties standardized for switching devices in transmission and distribution systems. One of these special situations are generator-current breaking. Generator circuit-breakers are…...
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Mar 09, 2018 | By Edvard Csanyi
Nine power generating units grouped by prime mover you should know about
Many types of power generating plants are in use and possible for the future, including steam plants fueled by coal, oil, or gas, nuclear plants, hydro plants and plants which… Read more
Aug 18, 2017 | By Edvard Csanyi
Synchronizing Generator To The Grid
Having discussed the principles of synchronizing the generator to the grid, we will look briefly at the physical method of accomplishing it. In theory, there are at least two simple… Read more
Oct 02, 2015 | By Edvard Csanyi