Deepakkumar Yadav

Back to Back Test for Efficiency of Transformer

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Back to Back Test for Efficiency of Transformer Q. Explain with neat sketch back to back test for efficiency of transformer. Connection-circuit diagram Primary of auxiliary transformer A and B an the two identical Y – Y connected transformers. One more transformer is needed called as an auxiliary transformer (C). This is also a Y connected … Read more

ENERGY CONSERVATION ACT 2001 (IMPORTANT FEATURES)

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ENERGY CONSERVATION ACT 2001 (IMPORTANT FEATURES) Important features of Energy Conservation Act 2001 are 1. Standards and Labelling :  Standards and Labelling (S and L) has been identified as a key activity for energy efficiency improvement. The S and L program, when in place would ensure that only energy efficient equipment and appliance would be … Read more

Importance of Planning of Preventive Maintenance Schedule

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Importance of Planning of Preventive Maintenance Schedule Q. State the importance of planning of preventive maintenance schedule.  Following points are firstly considered prior to prepare a final preventive maintenance schedule. Too frequent inspections-will cause waste of time and will not be economical. Too less frequency will invite failure of operation of machine; and it will … Read more

Energy Audit

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 What is Energy Audit Energy Audit is the key to a systematic approach for decision-making in the area of energy management.  It attempts to balance the total energy inputs with its use, and serves to identity all the energy stream in a facility. It quantifies energy usage according to its discrete functions. Industrial energy audit … Read more

Activities That are Done During Preventive Maintenance of Induction Motors

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Activities That are Done During Preventive Maintenance of Induction Motors Q. State any six activities that are done during preventive maintenance of induction motors. The activities that are done during preventive maintenance of induction motors are :  Attention towards brushes :  Sparking at the brushes : Sparking is produced due to misalignment of commutator, mechanical … Read more

Energy Conservation And Energy Audit (Concepts And Difference)

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ENERGY CONSERVATION AND ENERGY AUDIT (CONCEPTS AND DIFFERENCE) Energy Conservation Energy conservation effort made to reduce the consumption of energy by using less of an energy service. This can be achieved either by using energy more efficiently or by reducing the amount of service used. Energy conservation reduces the need for energy Services and can … Read more

Internal and External Causes for Failure of Equipments

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Internal and External Causes for Failure of Equipment Q. List internal and external causes for failure of equipment’s.  Internal Causes : In some unavoidable situation the machine may have to be run “over loaded” for a longer period which causes temperature rise beyond the permissible limit.  During normal working shot-circuit may occur due to some reasons. … Read more

Do’s and Don’ts to achieve safety while working in substation.

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Do’s and Don’ts to achieve safety while working in substation.  Q. List out Do’s and Don’ts to achieve safety while working in substation. Sr. No. Do’s Don’t 1 Please sign ‘Men working’ or warning boards on the main switch before commencing work. Do not close any switch, unless you are familiar with the circuit which … Read more