Working of wind turbine

Wind turbines are the machines used to convert wind (Kinetic energy) to electrical energy. On contrary to fans where electrical energy is converted to wind, in wind turbines winds are made to rotate fans and energy is produced. Wind is one of the most common energy available in the earth and developed because of atmospheric …

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Energy Efficiency in Fans and BLDC Technology

Ceiling fans are most common household appliance after lighting, considering the power consumption in summer it has significant energy contribution for middle and lower middle class people.  The power consumption in fans should not be ignored while considering energy planning. To promote energy efficiency in fans, Bureau of energy efficiency (BEE) in India has included …

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Is your transformer operating efficiently?

In general Transformers are classified in two categories,Power transformer and Distribution transformer. As name suggest power transformers are used for network of higher voltage for power supplies say 400KV, 200KV, 110KV, 66KV, 33KV while Distribution transformers are used for lower voltage distribution network say 11KV, 6.6KV, 3.3KV,420V,230V. The efficiency of transformer is typically between 94 …

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Motor Efficiency classes as defined by IEC/EN 60034-30-1: 2014

The standard defines four IE (International Efficiency) efficiency classes for single speed electric motors that are rated according to IEC 60034-1 or IEC 60079-0 (explosive atmospheres) and designed for operation on sinusoidal voltage. Super-Premium efficiency IE4 Premium efficiency IE3 High Efficiency IE2 Standard Efficiency IE1 The coverage of the new standard includes: Single speed electric …

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