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Transformers in Power Systems

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Questions and Answers

What is the primary goal of a sizing study in power system analysis?

To determine the transient stability of a power system
To calculate the harmonics and determine if they are within acceptable limits
To identify asymmetrical fault current based on X/R ratio
To select the equipment size based on given requirements (correct)

What is the main consideration in determining the voltage selection for a transmission system?

The type of conductor to be used
The type of power plant to be used
The type of transformer to be used (correct)
The type of feeder to be used

What is the primary function of a transformer in a substation?

To increase the power carrying capacity of the system
To step up or step down the voltage of the power system (correct)
To provide a path for earth fault currents
To regulate the voltage of the power system

What is the primary goal of transient stability analysis in power system planning?

To determine whether machines will maintain synchronism or not after a network fault or disturbance (C) Signup and view all the answers

What is the main consideration in determining the type of transformer to be used in a substation?

The voltage and current requirements of the system (A) Signup and view all the answers

What is the primary goal of feeder planning in power system planning?

To determine the optimal routing and sizing of feeders (C) Signup and view all the answers

What is the main consideration in determining the size of a transformer in a substation?

The load current and voltage requirements (B) Signup and view all the answers

What is the main consideration in determining the type of protector device to be used in a power system?

The type of fault current and voltage requirements (D) Signup and view all the answers

What is the main consideration in determining the substation planning in power system planning?

The type of transformer to be used and the load requirements (C) Signup and view all the answers

What is the primary goal of harmonic analysis in power system planning?

To calculate the harmonics and determine if they are within acceptable limits (A) Signup and view all the answers

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