NERC SOS Pre-Assessment (100% correct)

What are three primary AGC control models? correct answers Tie-Line Bias, Constant Frequency, Constant Net Interchange When a balancing Authority's ACE is zero, what is true? correct answers The BA load-interchange-generation balancing while supporting Interconnection Frequency In a 3-phase AC generator... correct answers Each phase is physically offset by 120 degrees Inductance is a property of an electric circuit that opposes the change in ___ correct answers current What three values are included in OHM's Law? correct answers Volts, Amps, impedance You dispatch a field crew to a substation to help determine the reason for a transmission line trip. What is the first thing you are going to ask them to do? correct answers Read Targets When energizing a long, HV transmission line from one end, what would you expect to see on the open end of the line? correct answers Higher Voltage than the closed end What is inadvertent? correct answers The difference between actual and scheduled interchange What is a balancing area between the source and sink balancing areas called? correct answers Intermediary Balancing Area What does AGC stand for? correct answers Automatic Generation Control When implementing an interchange schedule, what tool is used to document and distribute the information associated with the transaction? correct answers E-Tag In order for a generator to produce megawatts, it must have a _____ correct answers torque Angle On an electric generator, what does the term "Ramp Rate" Mean? correct answers The generators ability to increase or decrease MW output over a given period of time Low Voltage is an indication there is ______ correct answers A Deficiency in reactive power Power System elements that absorb or use reactive power (VARS) Are: correct answers Under-excited generators, synchronous condensors, shunt reactors & motor loads What does MVA stand for correct answers Mega-Volt Amps What is one advantage of transmitting power at higher voltage levels? correct answers Losses are reduced