Energy and Power
MCset – Air Insulated Switchgear with SF6 CB
MCset is Schneider Electric‘s AIS – Air Insulated Switchgear (indoor metal-enclosed device) intended for the MV section of HV/MV substations and high power MV/MV substations up to 24kV. Main component of MCset… Read more
May 31, 2013 | By Edvard Csanyi
Electric Motor
Three Phenomenons In The Iron Of AC Machines
Most of our practical AC machines (motors, generators ad transformers) depend heavily on the magnetic field for operation. The core iron of the machine provides a path for the magnet… Read more
May 29, 2013 | By Edvard Csanyi
Hydropower
7 reasons to fail with small hydro-power development
The main reasons for lack of success with small water power development are: Failure to realize how important full field data is for proper design. Failure of homemade equipment made… Read more
May 27, 2013 | By Edvard Csanyi
Testing and Commissioning
Condition Monitoring of Transformers
It is possible to provide transformers with measuring devices to detect early signs of degradation in various components and provide warning to the operator in order to avoid a lengthy… Read more
May 24, 2013 | By Edvard Csanyi
Testing and Commissioning
Transformer Routine Dielectric (Insulation) Test
The following insulation tests are performed in order to meet the transformer insulation strength expectations. Unless otherwise requested by the customer, the following test are performed in the following order (IEC… Read more
May 23, 2013 | By Edvard Csanyi
Energy and Power
Are you concerned about your privacy in Smart Grid?
Modernization of the grid will increase the level of personal information detail available as well as the instances of collection, use and disclosure of personal information. Instead of measuring energy… Read more
May 22, 2013 | By Edvard Csanyi
Testing and Commissioning
Erection Procedure for Power Transformer
This technical article deals with transformers and their installation so we restrict ourselves here to the procedures associated with their commissioning. Transformers should be inspected for internal or external damage, particularly if… Read more
May 20, 2013 | By Edvard Csanyi
Industrial Automation
Requirements and Functions of Substation Automation
Substation automation is the cutting edge technology in electrical engineering. It means having an intelligent, interactive power distribution network including : Increased performance and reliability of electrical protection. Advanced disturbance… Read more
May 17, 2013 | By Edvard Csanyi
Energy and Power
Switching contactor and effect of long control lines
In accordance with IEC 60947-4-1 and IEC 60947-5-1, the normal control voltage range of power and control contactors lies between 85 … 110 % of the rated control voltage. Within… Read more
May 15, 2013 | By Edvard Csanyi
Energy and Power
How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 2
Continued from first part: How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 1 The Earth Resistance of Single Plate electrode is calculated as per… Read more
May 13, 2013 | By jiguparmar
Energy and Power
Ferroresonance Occurrence In Power Transformer
Ferroresonance occurs when line capacitance resonates with the magnetizing reactance of a core while it goes in and out of saturation. Ferroresonance is usually associated with potential transformers, which are… Read more
May 10, 2013 | By Edvard Csanyi
Testing and Commissioning
When a transformer has stomach pain and wants to…
During normal operation, transformer internal structures and windings are subjected to mechanical forces due to the magnetic forces. These forces are illustrated in Figure 1. By designing the internal structure very… Read more
May 08, 2013 | By Edvard Csanyi
Electric Motor
Selection of Induction Motors for Industrial Applications (part 3)
Continued from first part: Selection of Induction Motors for Industrial Applications (part 2) The different rotor class, i.e. KL7, KL10, KL13, KL16, KLp, etc. are available in case of the… Read more
May 06, 2013 | By Ashok Parikh
Electric Motor
Selection of Induction Motors for Industrial Applications (part 2)
Continued from first part: Selection of Induction Motors for Industrial Applications (part 1) Though standard motors are now available with a better efficiency, this factor (motor efficency) requires due attention… Read more
May 04, 2013 | By Ashok Parikh
Electric Motor
Selection of Induction Motors for Industrial Applications (part 1)
All types of industries are invariably required to install different types of electric motors as prime mover for driving process equipment participating in their respective production line up. The continuous… Read more
May 03, 2013 | By Ashok Parikh
