Application of self and mutual GMD

Remembering: What is the purpose of a transformer in an electric power system?

• Geometrical mean distance
• Ground matrix distance
• Geometrical magnetic distance
• Ground magnetic distance

Remembering: Which of the following is an example of a renewable energy source used in electric power systems?

• GMD = √(D1 x D2)
• GMD = 1/√(D1 x D2)
• GMD = (D1 + D2)/2
• GMD = (D1 - D2)/2

Remembering: What is the frequency of electricity in India's electric power system?

• Short lines
• Medium lines
• Long lines
• All types of conductors

Remembering: What is the maximum voltage level in India's electric power system?

• Increases
• Decreases
• Remains same
• None of the above

Remembering: Which of the following components of an electric power system is responsible for voltage regulation?

• Symmetrical conductors with symmetrical spacing
• Unsymmetrical conductors with symmetrical spacing
• Symmetrical conductors with unsymmetrical spacing
• Unsymmetrical conductors with unsymmetrical spacing

Remembering: What is the standard voltage level for residential buildings in India's electric power system?

• Decreases
• Increases
• Remains same
• None of the above

Remembering: What is the primary fuel source for thermal power plants in India?

• km
• m
• ohm
• A and B

Remembering: What is the function of a power plant in an electric power system?

• GMD = (D1 + D2)/2
• GMD = (D1 - D2)/2
• GMD = 1/√(D1 x D2)
• GMD = √(D1 x D2)

Understanding: How does a step-up transformer change the voltage level in an electric power system?

• Calculation of capacitance and inductance
• Calculation of phase shift
• Calculation of transmission efficiency
• Calculation of line length

None

• Increases
• Decreases
• Remains same
• None of the above