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Technical Articles

Wind Power

What Is The Purpose Of Wind Farm Lighting?

Wind farm lighting includes: Aircraft warning lights that are installed on tops of some turbine nacelles and Night lights around wind farm buildings, parking lots, or other facilities. Aircraft warning… Read more

Mar 13, 2013 | By Edvard

What Is The Purpose Of Wind Farm Lighting?
Energy and Power

An Overview Of Short Circuit Current (part 3)

Fault calculations are carried out to find the magnitude of fault current at various voltage levels of electrical system. One of the key components in the calculation process is to determine… Read more

Mar 08, 2013 | By Asif Eqbal

An Overview Of Short Circuit Current (part 3)
Electronics

Super Capacitors – Different Than Others (part 2)

Continued from first part: Super Capacitors – Different Then Others (part 1) Equivalent circuit How to measure the capacitance? Charge Method Discharge Method Measure Capacitance Capacitor types Advantages of the… Read more

Mar 01, 2013 | By sravankumarpadala

Super Capacitors - Different Then Others (part 2)
Energy and Power

An Overview Of Short Circuit Current (part 2)

Continued from previous technical article: An Overview Of Short Circuit Current (part 1) Sub transient reactance Xd” is the apparent reactance of the stator winding at the instant short circuit… Read more

Feb 27, 2013 | By Asif Eqbal

An Overview Of Short Circuit Current - Part 2
Energy and Power

An Overview Of Short Circuit Current (part 1)

There are essentially four types of faults: three-phase, single line-to-ground, double line-to-ground, and line-to-line. Each of these types of faults can result in different magnitudes of fault current. In all… Read more

Feb 25, 2013 | By Asif Eqbal

An Overview Of Short Circuit Current (part 1)
Electrical Lectures

Super Capacitors – Different Than Others (part 1)

Capacitors store electric charge. Because the charge is stored physically, with no chemical or phase changes taking place, the process is highly reversible and the discharge-charge cycle can be repeated over… Read more

Feb 23, 2013 | By sravankumarpadala

Different then others - Super Capacitors
Medium Voltage

Things You Should Know About Medium Voltage GIS

Environmental Concerns Safety Concerns Special Handling Procedures Installation Concerns Operation and Maintenance Concerns End of Life / Recycling Concerns Conclusion Medium voltage (5-38 kV) gas insulated switchgear (GIS) differs greatly… Read more

Feb 20, 2013 | By Edvard

Things You Should Know About Medium Voltage GIS
High Voltage

Using High-Speed Grounding Switches

Automatic high-speed grounding switches are applied for protection of power transformers when the cost of supplying other protective equipment is deemed unjustifiable and the amount of system disturbance that the… Read more

Feb 15, 2013 | By Edvard

Using High-Speed Grounding Switches


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