Deepakkumar Yadav
Important Points About Energy Audit of Electrical System Energy audit means carrying out a continuous systematic procedure for plant energy may or an analysis of energy utilisation in the plant. Energy management means the judicious and effective use of energy to maximize profits minimize count and enhance competitive positions. Energy audit is classified as : … Read more
Condenser in Thermal Power Plant Q. What is condenser in thermal power plant? Q. Why is condenser used? Q. What is condenser in boiler? Q. Condenser and Cooling tower work in power plant High pressure and temperature steam after expansion through the turbine, goes through the condenser. The use of condenser improves the efficiency of power plant by decreasing … Read more
Method of Neutral Grounding Q. State the method of neutral grounding. Explain the solid grounding and state advantages of grounding. Objectives (Advantages) of Grounding : Persistent arcing is eliminated. Faulty part can be disconnected by protective relaying. Over voltage due to arcing can be eliminated. Magnitude of transient voltage is reduced. System provides greater safety … Read more
Roles of Bureau of Indian Standards in Testing of Electrical Equipment Q. State the roles of Bureau of Indian standards in testing of Electrical equipment. Roles of bureau of Indian standards in testing of electrical equipment : Indian National institute i.e. Indian standard Bureau specifies the standards for particular machines apparatus, equipments material and so … Read more
Energy Audit Instruments Used for Measuring Parameters Q. Name the Energy Audit Instruments Used for Measuring Parameters. Sr. No Parameters Suitable instruments 1. Electrical parameters V, I, P, Q etc. (1)Power, (2) Digital multimeter. 2. Speed (rotational). (1)Stroboscope, (2) Digital tachometer. 3. Illumination from light source. Lux-meter 4. Temperature (1)Temperature indicator, (2) Thermometer 5. Presence … Read more
Energy Flow Diagram, Electrical to Mechanical Conversion (Taking a Case of Water Pump) In such electrical to mechanical conversion, there are various stages where power is lost (losses). Losses Motor losses say 10 % Coupling losses say 1% Pump losses say 24% Valve losses say 8% Pipe losses, say 12 % /55% Summing up Input … Read more
Important Points About Energy Conservation in Electrical Installation System The cascade efficiency in T and D system from output of power plant to end use is nearly 87%. The losses taking place in the transmission and distribution system are classified as : (A) Technical losses. (B) Commercial losses. Technical losses are developed due to energy … Read more
Factors Affecting Earth Resistance Q. Explain factors affecting earth resistance. Earth Resistance or Resistance to Earth : The resistance offered by the earth electrode to the flow of current into the ground is known as resistance to earth. The term Resistance to Earth or Earth Resistance does not imply the contact resistance between the earthing … Read more
Definition related to Lighting (a) Radiant energy : The body which is at a higher temperature than its surrounding medium radiates out energy in to the medium. At low temperatures the radiation is in the form of heat waves, but when it becomes red-hot, it emits light waves in addition to heat waves. At about … Read more
Permissible Limits for Variations in Electrical Machine Q. State the permissible limits for variation of : 1) Voltage 2) Current 3) Speed 4) Frequency. Voltage variation should not be ±5% of rated voltage. Current should not exceed rated current. Temperature rise should be within limits. Frequency should not vary by ±1 of rated frequency. Should work within ±2% of rated speed. … Read more