Energy and Power
3 Designs of DC Distribution Systems In Power Substations
The method of connection of the battery, battery charger, and DC distribution systems depends on the duty, the type or load, and whether the system needs to be duplicated or… Read more
Apr 20, 2016 | By Edvard Csanyi
Energy and Power
10 Factors To Consider When Specifying Transformers
There are many factors that influence final specification of a transformer. However, the following ten factors MUST be considered when specifying transformers. Let’s name these ten factors: Kilovoltampere (kVA) Rating Voltage… Read more
Mar 28, 2016 | By Edvard Csanyi
Power Substation
Matching transformers for parallel operation
The following rules must be obeyed in order to successfully connect two or more transformers in parallel with each other: The turns ratios of all of the transformers must be… Read more
Mar 16, 2016 | By Edvard Csanyi
Power Substation
Defining size and location of capacitor in electrical system (1)
Type of Capacitor Bank as per Its Application: Fixed type capacitor banks Automatic type capacitor banks Types of APFC – Automatic Power Factor Correction Type of Capacitor as per Construction… Read more
Mar 04, 2016 | By jiguparmar
Power Substation
Practical Considerations of LV/MV Private Substations
Private substations can often be considered as terminal type substations, i.e. substations where the MV line ends at the point of installation of the substation itself. They belong to the… Read more
Mar 04, 2016 | By Edvard Csanyi
Energy and Power
How to determine the best location for earth electrode
A good, low-resistance earth electrode depends upon a low-resistivity soil in a spot where you can drive in your electrodes. There are two approaches to picking your location: Drive rods… Read more
Feb 24, 2016 | By Edvard Csanyi
Power Substation
5 conditions for perfect parallel operation of single phase transformers
In perfect parallel operation of two or more transformers, current in each transformer would be directly proportional to the transformer capacity, and the arithmetic sum would equal one-half the total… Read more
Jan 23, 2016 | By Edvard Csanyi
Energy and Power
Underground substations – Out of sight, out of mind
Underground substations help to bring high voltage electricity directly into the city center. The stations are environmentally friendly, almost unnoticeable, and have none of the planning problems encountered by surface-built… Read more
Jan 09, 2016 | By Edvard Csanyi
Low Voltage
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
Energy and Power
5 good circuit schemes to avoid HV substation outage
High voltage substations are points in the power system where power can be pooled from generating sources, distributed and transformed, and delivered to the load points. Substations are interconnected with… Read more
Jan 02, 2016 | By Edvard Csanyi
Energy and Power
The good ventilation of switchgear and transformer rooms
In order to design a good ventilation of switchgear and transformer rooms, the air in the room must meet various requirements. The most important is not to exceed the permissible… Read more
Dec 18, 2015 | By Edvard Csanyi
Energy and Power
The basics of primary medium voltage switchgear
Primary medium voltage switchgear represents an important part within the primary distribution substation functionality. The switchgear works as a connection node between the outgoing distribution feeders and the in-feeding power… Read more
Dec 14, 2015 | By Edvard Csanyi
Energy and Power
Learn How To Specify Current Transformers
Current transformers are used to supply information to the protective relays and/or current, power and energy metering “instruments”. For this purpose they must supply a secondary current proportional to the… Read more
Dec 05, 2015 | By Edvard Csanyi
Industrial Automation
Hardware Implementation of Substation Control and Automation
To form a substation control system, the various elements described above must be assembled into some form of topology. Three major hardware topologies can be identified as being commonly used. Let’s get into… Read more
Oct 28, 2015 | By Edvard Csanyi
Energy and Power
Balancing of single-phase loads to achieve energy efficiency
All single-phase loads, especially those with non-linear characteristics, in an electrical installation with a three-phase supply should be evenly and reasonably distributed among the phases. Such provisions are required to… Read more
Oct 24, 2015 | By Edvard Csanyi
