Power Systems The line currents of 3-phase supply are: IR = 3 + j 5 A IY =2 + j 2 A IB = -2 - j 1 A The zero sequence current will be -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A -2 - j 1 A 5 + j 7 A 1 + j 2 A 1 + j 4 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems A synchronous generator is of 100 MVA have inertia constant of 20 MJ/MVA. Find the angular momentum in MJsec/electrical degrees 0.22 2000 5 0.4 0.22 2000 5 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pump storage schemes are used to improve the power factor. the diversity factor. the plant capacity factor as well as the load factor of the power system. the load factor. the power factor. the diversity factor. the plant capacity factor as well as the load factor of the power system. the load factor. ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Impulse tests. All of these. Load cycle tests. Thermal stability test. Impulse tests. All of these. Load cycle tests. Thermal stability test. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Load frequency control is achieved by properly matching the individual machines generator ratings. reactive powers. turbine inputs. generated voltages. generator ratings. reactive powers. turbine inputs. generated voltages. 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 direct heat in the furnace. HP steam. flue gas. LP steam. direct heat in the furnace. HP steam. flue gas. LP steam. ANSWER DOWNLOAD EXAMIANS APP
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