Air Insulated Switch-gear VS Gas Insulated Switch-gear

Air Insulated Switch-gear VS Gas Insulated Switch-gear Gas Insulated Switch-Gear Air Insulated Switch-Gear Limitations of Air Insulated Switchgears (AISs)Large dimensions due to statutory clearances & poor dielectric strength of air Insulation deterioration with ambient conditions and susceptibility...

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Every Challenge Is An Opportunity

Edison, one of Europe’s oldest power companies, which was founded in 1884 in Milano, owns the Fontanamora hydroelectric plant that generates three megawatts (MW) of renewable power from turbines and auxiliary machinery. The plant is situated at Lombardy by a fast-flowing river at the bottom of a steep...

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RENEWABLE ENERGY DEMAND IN EUROPE REACHES RECORD LEVELS

RENEWABLE ENERGY DEMAND IN EUROPE REACHES RECORD LEVELS The demand for renewable electricity in Europe, documented with Guarantees of Origin (GO), continued to grow in 2015. The growth is up more than 8% from 2014 and surpassed 340 TWh. Behind this growth are thousands of businesses and millions of...

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Different type of motors...

Different type of motors..... Squirrel Cage Motor   Electric Motor An Electric motor is a machine which converts electric energy into mechanical energy. Its action is based on the principle that when a current-carrying conductor is placed in a magnetic field, it experiences a mechanical...

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How to choose transformer rating?

 How to choose transformer rating? When an installation is to be supplied directly from a MV/LV transformer and the maximum apparent-power loading of the installation has been determined, a suitable rating for the transformer can be decided, taking into account the following considerations: The...

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Degradation of Insulation in Switchgear (What’s Really Happening)

Partial Discharge Partial Discharge (PD) Electrical insulation is subjected to electrical and mechanical stress, elevated temperature and temperature variations, and environmental conditions especially for outdoor applications. In addition to normal operating conditions, there are a host...

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Electrical Switchgear Protection

Definition of Switchgear A switchgear or electrical switchgear is a generic term which includes all the switching devices associated with mainly power system protection. It also includes all devices associated with control, metering and regulating of electrical power system. Assembly of such devices...

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The Best Applications For VFDs

VFD with induction motor Advances The most commonly used motor in building HVAC applications is the three-phase, induction motor, although some smaller applications may use a single-phase induction motor. VFDs can be applied to both.  While VFD controllers can be used with a range...

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