Power Systems Which of the following statement is/are true?Zn The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit both 1 and 2 nether 1 nor 2 The neutral grounding impedance Zn appears as 3Zn in zero sequence equivalent circuit The neutral grounding impedance Zn appears as Zn in zero sequence equivalent circuit both 1 and 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A moderator material should have small atomic mass. None of these may be any of the above. large atomic mass. small atomic mass. None of these may be any of the above. large atomic mass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MW capacity generator has a speed regulation of 4% for a frequency drop of 0.05 Hz. Find the power input supplied by the turbine for maintaining constant frequency? 20 MW 15 MW 10 MW 5 MW 20 MW 15 MW 10 MW 5 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system network has n nodes, Z33 of its bus impedance matrix is j0.5 pu. The voltage at node 3 is 1.3∠ -10°. If capacitor is having reactance of -j3.5 pu is now added to the network between node 3 and reference node, the current drawn by the capacitor in pu is 0.371∠ -100° 0.433∠ 80° 0.725∠ 80° 0.325∠ -100° 0.371∠ -100° 0.433∠ 80° 0.725∠ 80° 0.325∠ -100° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pelton wheel turbine is a none of above. high head turbine. low head turbine. medium head turbine. none of above. high head turbine. low head turbine. medium head turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using HP steam. LP steam. direct heat in the furnace. flue gas. HP steam. LP steam. direct heat in the furnace. flue gas. ANSWER DOWNLOAD EXAMIANS APP
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