Nerc voltage control - Study guides, Class notes & Summaries

1. If a 500 kV transmission line with a surge impedance loading of 800 MW is currently loaded at 1400 MW, which of the following events would most likely occur? a. Generator MVAR output would increase b. All system capacitors would trip off-line c. Generator MVAR output would decrease d. All automatic reactors would connect to the system a. Generator MVAR output would increase 2. When system conditions are such that emergency procedures are expected to be implemented, which of the fo...

PJM Test Questions - Answered (Complete Solutions) Which of the following statements are true concerning delays in restoring power to offline generation? a. the unit could suffer turbine shaft damage b. fuel oil for the unit could congeal c. startup time for the unit will be reduced d. the battery life used to maintain critical systems may run out During system restoration, you re-energize a fairly long distribution load circuit that has been off for several hours and notice that the loading i...

You are an external BA with a frequency bais of 20 MW/.1 Hz that sees a frequency of 60.02 due to a large loss of load in the contingent BA. If your generator governor control systems responded to the frequency deviation approximately how much of a generation change would you BA experience? -4MW Net actual interchange minus Net scheduled interchange is what? Inadvertent interchange Suppose your interconnection operators at 59.97 Hz from one minute after midnight to noon and operate a...

NERC Text Questions And Answers Operating reserve may be provided by which of the following? A. LTCs B. Capacitor banks C. Voltage regulators D. Interruptible loads - ANS-D. Interruptible loads Which of the following is the responsibility of a reserve sharing group (RSG)? A. Complying with DCS as if it was a single control area B. Proving regulation service for neighboring RSGs C. Ensuring each control area in the group maintains 50% blackstart capability D. Complying with the control ...

NERC Test Questions And Answers 100% Verified. What percentage of load gives a 1 Hz change in an island condition? - correct answer.6-10% (Think 6-10 day island vacation) If ACE is Zero but system Hz is off, what should a system operator do? - correct answer.Nothing! ACE bias and interchange schedule will improve frequency If ACE is Zero, why not adjust generation to help frequency? - correct answer.Could overload equipment, this is a NERC violation When restoring from blackou...

NERC text questions & Answers(Latest UpdaOperating reserve may be provided by which of the following? A. LTCs B. Capacitor banks C. Voltage regulators D. Interruptible loads - ANSWER D. Interruptible loads Which of the following is the responsibility of a reserve sharing group (RSG)? A. Complying with DCS as if it was a single control area B. Proving regulation service for neighboring RSGs C. Ensuring each control area in the group maintains 50% blackstart capability D. Complying with...

A transmission line is operating with a voltage phase angle different of 30 degrees between the sending Vs and the receiving bus Vr. If the receiving end load is suddenly increased, the voltage phase angle difference will be? The phase angle will increase. When load is increased phase angle will increase. A load has a power factor of 0.9 lagging. If the load draws 100 MVA, what is the MW draw? 90 pf= mw/mva The high side of a delta-wye connection transformer is connected to a power s...

A transmission line is operating with a voltage phase angle different of 30 degrees between the sending Vs and the receiving bus Vr. If the receiving end load is suddenly increased, the voltage phase angle difference will be? - Answer The phase angle will increase. When load is increased phase angle will increase. A load has a power factor of 0.9 lagging. If the load draws 100 MVA, what is the MW draw? - Answer 90 pf= mw/mva The high side of a delta-wye connection transformer is connected ...

NERC Pre course Study Guide Exam Questions and Verified for Accuracy Answers 2023/2024 The purpose of a generator reactive capability curve is to show what? - correct answer Thermal limits for excitation When a long open ended transmission line is energized and the leading chagrin current flowing through the lines inductance crests a high voltage on the open end, this is known as what? - correct answer Ferranti voltage rise effect To maximize system stability, you would do which of ...

True/False According to the NERC Functional Model, there is no difference between the function and the entity. A) True B) False - Answer B) False True/False Analysis type questions are designed to be the least complex from a human cognitive process. A) True B) False - Answer B) False True/False A Transmission Service Provider is an entity that both owns and operates transmission facilities on the Bulk Electric System. A) True B) False - Answer B) False True/False ...