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Technical Articles

Electric Motor

Few Words About Capacitor-Start (CS) Motors

The capacitor-start (CS), or more precisely, capacitor-start, induction-run motor, is a modified split-phase induction motor used for hard-to-start loads. CS motors are efficient and require starting currents about 5 times… Read more

Jun 14, 2013 | By Edvard

Start-run capacitor single-phase induction motor (Source ABB)
Electric Motor

Split-phase motors for medium-duty applications

The split-phase (SP), or more accurately, the resistance-start, split-phase, induction run motor,is recommended for medium-duty applications. It can run at constant speed even under varying load conditions where moderate torque is… Read more

Jun 12, 2013 | By Edvard

Split-phase motors for medium-duty applications
Energy and Power

How to calculate voltage regulation of distribution line

Introduction to voltage regulation Voltage Regulation for 11KV, 22KV, 33KV Overhead Line Permissible Voltage Regulation (As per REC) Voltage Regulation Values Required Size of Capacitor Optimum location of capacitors Voltage… Read more

Jun 10, 2013 | By jiguparmar

How to calculate voltage regulation of distribution line
Transformers

Glossary of Power Transformer Terms

There are many terms associated with power and distributive transformers used in electrical networks. These are just some of the most important. Feel free to add any of missing terms… Read more

Jun 05, 2013 | By Edvard

Glossary of Power Transformer Terms
High Voltage

High voltage testing – Direct current (DC)

DC tests are used mainly to do “pressure tests” on high voltage cables. Although the cables operate with AC, AC testing is not practical. The high capacitance of the cables… Read more

Jun 01, 2013 | By Edvard

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

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

Three phenomenons in the iron of AC machines
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

Condition Monitoring of Transformers (on photo: distributive tranformer
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

Transformer Routine Dielectric (Insulation) Test
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

Are you concerned about your privacy in Smart Grid?


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