Properties of Transformer Oil
Properties of Transformer Oil Q. 10 List the properties of transformer oil Water content Acidity Density Flash point Fire point Purity Viscosity Dielectric strength Sludging
Procedure for Back to Back Test on Transformer With Circuit Diagram & Advantages and Disadvantages of this Method
Procedure for Back to Back Test on Transformer With Neat Circuit Diagram & Advantages and Disadvantages of this Method Q. Explain the procedure for back to back test on transformer with neat circuit diagram. State advantages and disadvantages of this method. If large transformer are to be tested for determining their efficiency, temperature rise regulation … Read more
Meaning of Insulation Resistance
Meaning of Insulation Resistance Q. Explain meaning of insulation resistance. There are various materials in the category of conductor, semiconductor, insulators etc. The materials offer opposition to the flow of current. The opposition is known as resistance. In electrical systems some pans are expected not to allow any current through them. These parts have good … Read more
Phasing Out Test Carried Out on Transformer
Phasing Out Test Carried Out on Transformer Q. With the help of neat figure explain phasing out test carried out on transformer. Phasing out test : This test is carried out only on 3Φ transformer to identify primary and secondary winding belonging to the same phase. As shown in figure A all the phases of … Read more
Routine, Preventive and Breakdown Maintenance
Routine, Preventive and Breakdown Maintenance Q. Describe routine, preventive and breakdown maintenance with suitable examples. 1. Routine Maintenance : As the name suggests, it is the maintenance as a routine work i.e.daily work so routine maintenance is a overall daily maintenance of the machine. After the stoppage of the machine on the earlier day, the … Read more
Variable Frequency Drives
Variable Frequency Drives Q. Variable Frequency Drives The VDF operates on a very simple principle. The rotational speed of an AC induction motor depends on the number of poles in that stator and the frequency of the applied AC power. Although number of poles in an induction motor cannot be altered easily, variable speed can … Read more
A Rapid Revision of Energy Conservation Act 2001
A Rapid Revision of Energy Conservation Act 2001 The Energy Conservation Act 2001 The Energy Conservation Act 2001 (Act No. 52 of 2001) was enacted by the Govt of India and later on amended as The Energy Conservation (Amendment)Act 2010 (Act No 28 of 2010) in August-2010.Objectives of EC Act 2001 Provide a policy framework … Read more
MEDA and Its Role MEDA
MEDA AND ITS ROLE MEDA MEDA : Maharashtra Energy Development Agency. Registered as a society under Societies Registration Act, 1860 (in 1985) and Bombay Public Trust, 1950 (in 1987). Under the aegis of MNRE, GOL. Assistance to state and central govt to promote and develop new and renewable sources of energy and technologies and to … Read more
Energy Conservation Act
Energy Conservation Act Q. Energy Conservation Act Considering the vast potential of energy savings and benefits of energy efficiency, the government of India enacted the energy conservation act, 2001. The act provides for the legal framework, institutions arrangement and a regulatory mechanism at the central and state level to embark up on energy efficiency drive … Read more
Uses of Growler
Uses of Growler Q. Explain the use of Growler. It is a equipment used for finding shorted turns of armature coil or stator / rotor winding.It is essentially a single winding transformer. Low voltage or 230 V. AC is applied to a growler’s winding. Hence A.C. flux is produce. The winding acts as a primary … Read more