Basic Terms in Lighting System and Features

Basic Terms in Lighting System and Features Lamps : Lamp is equipment, which produces light . The most commonly used lamps are described briefly as follows : Incandescent lamps : Incandescent lamps produce light by means of a filament heated to incandescence by the flow of electric current through it. The principal parts of an … Read more

Energy Conservation Techniques to be Adopted to Reduce Losses in the Induction Motor

Energy Conservation Techniques to be Adopted to Reduce Losses in the Induction Motor Q.  List out the energy conservation techniques to be adopted to reduce losses in the induction motor.  (A) Improving  Power Quality : Motor performance can be increased by maintaining the voltage level within in BIS standards i.e. within the tolerance limit of  ± 6 … Read more

Power Factor Improvement

Power Factor Improvement Power factor improvement is the fastest way of achieving energy conservation and improving the bottom line. Some of the techniques included for the purpose are as follows :  Study of various types of loads. Determination of the percentage of inductive loads. Determination of transformer capacity. Determination of power factor under full load … Read more

Effects of Low Power Factor

Effects of Low Power Factor For same kW demand of load, at low power factor current flowing through armature winding of alternator or windings of transformer increases, hence kVA rating required increases. As current supplied is increases for obtaining proper voltage regulation, conductor size of transmission lines. The cost of generation and transmission increases for … Read more

Energy Efficiency Transformers

 Energy Efficiency Transformers Q. State and explain the features of amorphous core transformers which result into energy conservation. Amorphous Core Transformer Amorphous core transformers or amorphous metal transformer is a type of energy efficient transformer.  Amorphous transformer is an equipment to reduce transmission and distribution losses greatly. With improvement of electric steel (silicon steel), loss … Read more

Energy Efficient Motor How Reduce Losses

Different Losses are Minimized In Energy Efficient Motor Q. How Different Losses are Minimized In Energy Efficient Motor. Measures adopted for energy efficiency address each loss specifically as under : (A) Core Losses : Core losses are found in the stator-rotor magnetic steel and are due to hysteresis effect and eddy current effect during 50 … Read more