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Consider a HVDC link which uses thyristor based line-commutated converters as shown in the figure. For a power flow of 750 MW from System 1 to System 2, the voltages at the two ends and the current, are given by : V1 = 500 kV, V2 = 485 kV and I = 1.5 kA. If the direction of power flow is to be reversed (that is, from System 2 to System 1) without changing the electrical connections, then which one of the following combinations is feasible?
  • a)
    V1 = -485 kV, V2 = -500 kV and I = 1.5 kA
  • b)
    V1 = -500 kV, V2 = -485 kV and I = 1.5 kA
  • c)
    V1 = 500 kV, V2 = 485 kV and I = -1.5 kA
  • d)
    V1 = -500 kV, V2 = -485 kV and I = -1.5 kA
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Consider a HVDC link which uses thyristor based line-commutated conve...
To maintain the direction of power flow from system 2 to system 1 the voltage V1 = - 485 kV and voltage V2 = - 500 kV and I = 1.5 kA
Since, current cannot flow in reverse direction
Option (A) is the correct answer.
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Consider a HVDC link which uses thyristor based line-commutated converters as shown in the figure. For a power flow of 750 MW from System 1 to System 2, the voltages at the two ends and the current, are given by : V1 = 500 kV, V2 = 485 kV and I = 1.5 kA. If the direction of power flow is to be reversed (that is, from System 2 to System 1) without changing the electrical connections, then which one of the following combinations is feasible?a)V1 = -485 kV, V2 = -500 kV and I = 1.5 kAb)V1 = -500 kV, V2 = -485 kV and I = 1.5 kAc)V1 = 500 kV, V2 = 485 kV and I = -1.5 kAd)V1 = -500 kV, V2 = -485 kV and I = -1.5 kACorrect answer is option 'A'. Can you explain this answer?
Question Description
Consider a HVDC link which uses thyristor based line-commutated converters as shown in the figure. For a power flow of 750 MW from System 1 to System 2, the voltages at the two ends and the current, are given by : V1 = 500 kV, V2 = 485 kV and I = 1.5 kA. If the direction of power flow is to be reversed (that is, from System 2 to System 1) without changing the electrical connections, then which one of the following combinations is feasible?a)V1 = -485 kV, V2 = -500 kV and I = 1.5 kAb)V1 = -500 kV, V2 = -485 kV and I = 1.5 kAc)V1 = 500 kV, V2 = 485 kV and I = -1.5 kAd)V1 = -500 kV, V2 = -485 kV and I = -1.5 kACorrect answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2024 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Consider a HVDC link which uses thyristor based line-commutated converters as shown in the figure. For a power flow of 750 MW from System 1 to System 2, the voltages at the two ends and the current, are given by : V1 = 500 kV, V2 = 485 kV and I = 1.5 kA. If the direction of power flow is to be reversed (that is, from System 2 to System 1) without changing the electrical connections, then which one of the following combinations is feasible?a)V1 = -485 kV, V2 = -500 kV and I = 1.5 kAb)V1 = -500 kV, V2 = -485 kV and I = 1.5 kAc)V1 = 500 kV, V2 = 485 kV and I = -1.5 kAd)V1 = -500 kV, V2 = -485 kV and I = -1.5 kACorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider a HVDC link which uses thyristor based line-commutated converters as shown in the figure. For a power flow of 750 MW from System 1 to System 2, the voltages at the two ends and the current, are given by : V1 = 500 kV, V2 = 485 kV and I = 1.5 kA. If the direction of power flow is to be reversed (that is, from System 2 to System 1) without changing the electrical connections, then which one of the following combinations is feasible?a)V1 = -485 kV, V2 = -500 kV and I = 1.5 kAb)V1 = -500 kV, V2 = -485 kV and I = 1.5 kAc)V1 = 500 kV, V2 = 485 kV and I = -1.5 kAd)V1 = -500 kV, V2 = -485 kV and I = -1.5 kACorrect answer is option 'A'. Can you explain this answer?.
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