* Two thermal units are operating parallel at 50 Hz. Unit 1 has a rated output of 400 MW and 2% speed-drop characteristic. Unit 2 has a rated output of 500 MW and 3% speed-droop characteristic. The total load increases by 150 MW. What is the common frequency change

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

How much power could a wind turbine produce if it had the following specifications? cp = 0.45 -d=1.2kg/m3 d=50m v 5m/s