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Monthly Archive for: «March, 2013»

Wind Power

Wind Energy End-Use Applications

Wind energy markets can be classified based on the end-use application of the technology. Wind energy projects are common for off-grid applications. However, the largest market potential for wind energy… Read more

Mar 30, 2013 | By Edvard Csanyi

Wind Energy End-Use Applications
Energy and Power

Preparing to synchronize a generator to the grid

In order to synchronize a generator to the grid, four conditions must be met: Phase Sequence Voltage Magnitude Frequency Phase Angle The phase sequence (or phase rotation) of the three… Read more

Mar 27, 2013 | By Edvard Csanyi

Preparing to synchronize a generator to the grid
Electric Motor

Induction motor startup and losses calculation

The main objectives while starting an induction motor are: To handle high-starting current To achieve high-starting torque. As we know, rotor resistance determines starting torque. Usually, this rotor resistance is small,… Read more

Mar 25, 2013 | By Edvard Csanyi

Induction motor startup and losses calculation
Lighting

Hospitality lighting design, Why it matters

The hospitality business involves serving people and giving them enjoyment. From restaurants to hotels, resorts, and even theme parks, facilities are designed with the intent of transporting guests from the… Read more

Mar 23, 2013 | By Edvard Csanyi

The functional office lighting realized through 422 luminaires
Energy and Power

Lightning Protection System – Germany Regulations

The purpose of a lightning protection system is to protect buildings from direct lightning strikes and possible fire, or from the consequences of the load-independent active lightning current (non-igniting flash… Read more

Mar 22, 2013 | By Edvard Csanyi

Lightning Protection System - Germany Regulations
Electrical Lectures

The Rheostat In Few Simple Words

A variable resistor can be made from a wirewound element, rather than a solid strip of material. This is called a rheostat. A rheostat can have either a rotary control… Read more

Mar 20, 2013 | By Edvard Csanyi

Startup rheostat of VL10 3 kV DC electric locomotive
Electric Motor

Starting Motor With Auto-transformer

An auto-transformer starter makes it possible to start squirrel-cage induction motors with reduced starting current, as the voltage across the motor is reduced during starting. In contrast to the star-delta… Read more

Mar 18, 2013 | By Edvard Csanyi

Starting Motor With Auto-transformer
Energy and Power

Sources and Contributors To Short Circuit Current

Every electrical system confines electric current flow to selected paths by surrounding the conductors with insulators of various types. Short circuit current is the flow of electrical energy that results… Read more

Mar 15, 2013 | By Edvard Csanyi

Sources and Contributors To Short Circuit Current
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 Csanyi

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

Working principle of thermal motor protection relay

Thermal motor protection relays contain three bimetal strips together with a trip mechanism in a housing made of insulating material. The bimetal strips are heated by the motor current, causing… Read more

Mar 09, 2013 | By Edvard Csanyi

Working principle of thermal motor protection relay
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)
Environment

Why Bats Are Insanely Attracted To Wind Turbines?

Recent studies have reported large numbers of bats being killed at wind farms in many parts of North America and Europe. Project monitoring has also discovered significant bat mortality at the… Read more

Mar 06, 2013 | By Edvard Csanyi

Why Bats Are Insanely Attracted To Wind Turbines?


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