Quiz 1.4 EM-II

(Remembering) What is a phasor diagram used for?

• To analyze the performance of synchronous generators
• To measure the electrical properties of materials
• To design electrical circuits
• To calculate electrical power consumption

(Understanding) Which of the following factors can affect the performance of a synchronous generator as shown on a phasor diagram?

• Load impedance
• Generator reactance
• Field current
• All of the above

(Analyzing) How does increasing the field current of a synchronous generator affect its performance as shown on a phasor diagram?

• It increases the magnitude of the generated voltage
• It decreases the magnitude of the generated voltage
• It shifts the phase angle of the generated voltage
• It has no effect on the generated voltage

(Applying) Which of the following methods can be used to control the output voltage of a synchronous generator?

• Tap changer
• Field flux control
• Armature reaction control
• All of the above

(Evaluating) Which of the following statements about voltage regulation in synchronous generators is NOT true?

• Voltage regulation is important for ensuring reliable power
• Voltage regulation is achieved through the use of transformers
• Voltage regulation is affected by the generator's load impedance
• Voltage regulation is not necessary for small generators

(Creating) Which of the following configurations of synchronous generators can be used to improve the stability and reliability of an electrical power system? (Select all that apply)

• Connecting generators in parallel
• Connecting generators in series
• Using a combination of parallel and series connections
• Using a single generator