Power System Controls and Stability Introduction

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What is the primary indication of the balance between generation and demand in a power system?

Frequency (correct)

Reactive power

Load current

Voltage level

What happens to the frequency when generation is greater than demand?

It remains constant

It increases (correct)

It becomes unstable

It decreases

What is the function of synchronous generators in terms of reactive power?

They always absorb reactive power

They have no effect on reactive power

They can generate or absorb reactive power depending on the excitation (correct)

They always supply reactive power

How do underground cables affect reactive power?

They generate reactive power under all operating conditions Signup and view all the answers

What is the behavior of transformers in terms of reactive power?

They always absorb reactive power Signup and view all the answers

What is the typical behavior of loads in terms of reactive power?

They always absorb reactive power Signup and view all the answers

What is the primary role of a power system?

To supply affordable, green electricity in a secure and cost-effective manner Signup and view all the answers

What is one of the key conditions for the stable operation of a power system?

Maintaining frequency and voltage within the required limits Signup and view all the answers

What is the purpose of reactive power compensation devices?

To absorb reactive power in a desired manner Signup and view all the answers

What is one of the aspects of reliability and quality of electricity supply?

Having a lack of interruptions Signup and view all the answers

What is necessary for synchronous generators to remain in operation after a fault?

To withstand disturbances and recover to a new steady state Signup and view all the answers

What is one of the key pieces of equipment in a power system?

Monitoring, Communications, Control and Protection equipment Signup and view all the answers

What is the primary role of a power system?

To enable the generation of electricity in the most suitable locations and in sufficient quantity to satisfy the customers’ demand Signup and view all the answers

What are the three main sections of a power system?

Generation, Transmission, and Distribution Signup and view all the answers

What type of energy sources is mentioned in the power system composition?

Hydro, Coal, and Nuclear Signup and view all the answers

What is the goal of a power system in terms of electric energy delivery?

To deliver reliable, good-quality electric energy at competitive prices Signup and view all the answers

What is not a main component of a power system?

Consumption Signup and view all the answers

What are the three stages of power system operation?

Generation, Transmission, and Distribution Signup and view all the answers

Power System Controls and Stability Introduction

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Questions and Answers

What is the primary indication of the balance between generation and demand in a power system?

What happens to the frequency when generation is greater than demand?

What is the function of synchronous generators in terms of reactive power?

How do underground cables affect reactive power?

What is the behavior of transformers in terms of reactive power?

What is the typical behavior of loads in terms of reactive power?

What is the primary role of a power system?

What is one of the key conditions for the stable operation of a power system?

What is the purpose of reactive power compensation devices?

What is one of the aspects of reliability and quality of electricity supply?

What is necessary for synchronous generators to remain in operation after a fault?

What is one of the key pieces of equipment in a power system?

What is the primary role of a power system?

What are the three main sections of a power system?

What type of energy sources is mentioned in the power system composition?

What is the goal of a power system in terms of electric energy delivery?

What is not a main component of a power system?

What are the three stages of power system operation?

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