Reactors Samenvattingen, Aantekeningen en Examens

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 - ANSWER a. Generator MVAR output would increase 2. When system conditions are such that emergency procedures are expected to be implemented, which of ...

NERC PREP TEST 101 Questions With 100% Verified Answers 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 - ANS-a. Generator MVAR output would increase 2. When system conditions are such that emergency ...

An AC circuit consists only of a pure inductance and a power source. The relationship between the voltage and the current in this circuit is that the correct answers current lags the voltage The power factor of a load is equal to the ____________ power divided by the ____________ power. correct answers True ; apparent A 10-ohms and 20-ohms resistor are connected in parallel. The total line current drawn by this parallel combination is 30 amps. Under these conditions, the line voltage will ...

System studies identify what -Answer Predict operations and identify constraints If ACE remains the same and frequency goes up what has happened? -Answer Someone lost load When a generator has its AVR in service it is a? -Answer Dynamic source of reactive power Black start resource testing is done every? -Answer 3 years Each BA shall operate its AGC on? -Answer Tie line Frequency Bias When is voltage reduction reportable? -Answer Greater than 3% Reactors do what? -Answer Absorb VARs What...

NERC PREP TEST 101 Questions with complete solution 20231. 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 - correct answer a. Generator MVAR output would increase 2. When system conditions are such ...

System studies identify what CORRECT ANSWER Predict operations and identify constraints If ACE remains the same and frequency goes up what has happened? CORRECT ANSWER Someone lost load When a generator has its AVR in service it is a? CORRECT ANSWER Dynamic source of reactive power Black start resource testing is done every? CORRECT ANSWER 3 years Each BA shall operate its AGC on? CORRECT ANSWER Tie line Frequency Bias When is voltage reduction reportable? CORRECT ANSWER Greater t...

PJM Sample TO Exam Questions & Answers 2024 What is the minimum notice PJM requires for a nonemergency transmission outage work request which does not cause congestion? A. 48 hours B. First day of month proceeding the month of the outage C. 5 working days D. 1 week - ANSWER-B. First day of month proceeding the month of the outage A system load is 3000MW. To increase frequency by 1 Hz, how much load should be she? A. 80MW B. 180MW C. 350MW D. 500MW - ANSWER-B. 180MW When thunde...

Which of the following would not be an action to take for low voltages A. Increase generator MW output B. Remove reactors from the system C. Increase generator MVAR output D. Place capacitors in service - ️️A. Increase generator MW output PJM operates it's 500 KV system so that no post contingency voltage drop will exceed what minimum value A. 1% B. 3% C. 5% D. 7% - ️️C. 5% The PJM system operator finds that a 230 KV transmission line is over its normal limit. How long do...

AQA AS PHYSICS 7407/1 Paper 1 Mark scheme Latest Updated 2024 radioactive contamination - the unwanted presence of materials containing radioactive materials how much of our background radiation is from the air(radon) - 50% how much of our background radiation is medical - 14% how much of our background radiation is from the ground - 14% how much of our background radiation is from food and drink - 11.5% how much of our background radiation is cosmic - 10% how much of our ...

ASNT Level 3 Study Questions and answers 2024/2025 verified to passIn general, shear waves are more sensitive to small discontinuities than longitudinal waves for a given frequency and in a given material because: a. the wavelength of shear waves is shorter than the wavelength of longitudinal waves. b. shear waves are not as easily dispersed in the material. c. the direction of particle vibration for shear waves is more sensitive to discontinuities. d. the wavelength of shear waves is longer...