Search

Premium Membership

Learn about power engineering and HV/MV/LV substations. Study specialized technical articles, papers, and electrical engineering video courses.

Monthly Archive for: «May, 2013»

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 is circuit breaker which is… Read more

May 31, 2013 | Edvard

MCset Air Insulated Switchgear with SF6 CB (up to 24kV)

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 field. There are a number… Read more

May 29, 2013 | Edvard

Three phenomenons in the iron of AC machines

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 and expensive outage due to… Read more

May 24, 2013 | Edvard

Condition Monitoring of Transformers (on photo: distributive tranformer

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 60076-3) : To confirm the… Read more

May 23, 2013 | Edvard

Transformer Routine Dielectric (Insulation) Test

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 use at the end of… Read more

May 22, 2013 | Edvard

Are you concerned about your privacy in Smart Grid?

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 they have been dropped or tipped… Read more

May 20, 2013 | Edvard

Erection Procedure for Power Transformer

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 and event recording capabilities, aiding… Read more

May 17, 2013 | Edvard

Requirements and Functions of Substation Automation

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 these limits contactors pull-in perfectly…. Read more

May 15, 2013 | Edvard

Switching contactor and effect of long control lines

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 instrument transformers that are used… Read more

May 10, 2013 | Edvard

Ferroresonance Occurrence In Power Transformer

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 strong to withstand these forces… Read more

May 08, 2013 | Edvard

Transformer windings forces due to the magnetic forces


EEP Academy Video Courses

The learning platform for LV/MV/HV electrical engineers. Learn from experienced engineers and sharpen up your knowledge.