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In the following network, the voltage magnitudes at all buses are equal to 1 pu, the voltage phase angles are very small, and the line resistances are negligible. All the line reactances are equal to j1Ω

If the base impedance and the line – to line base voltage are 100 ohms and 100 kV  respectively, then the real power in MW delivered by the generator connected at the slack bus is
  • a)
    -10
  • b)
    0
  • c)
    10
  • d)
    20
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
In the following network, the voltage magnitudes at all buses are equa...
Consider the voltage phase angles at buses 2 and 3 be Q2 and Q3 since, all the three buses have the equal voltage magnitude. Which is 1 pu, so, it is a D.C. load flow. The injections at Bus 2 and 3 are respectively P2 = 0.1 Pu
P3 = -0.2 Pu
P1 + P2 + P3 = 0
P1 – P2 – P3 = -0.1 + 0.2 = 0.1 Pu
Now, the apparent power delivered to base is,

The real power delivered by slack bus
P = P1 |S| = (0.1) (100 × 106)
= 10 × 106 watt = 10 MW
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Most Upvoted Answer
In the following network, the voltage magnitudes at all buses are equa...
Consider the voltage phase angles at buses 2 and 3 be Q2 and Q3 since, all the three buses have the equal voltage magnitude. Which is 1 pu, so, it is a D.C. load flow. The injections at Bus 2 and 3 are respectively P2 = 0.1 Pu
P3 = -0.2 Pu
P1 + P2 + P3 = 0
P1 – P2 – P3 = -0.1 + 0.2 = 0.1 Pu
Now, the apparent power delivered to base is,

The real power delivered by slack bus
P = P1 |S| = (0.1) (100 × 106)
= 10 × 106 watt = 10 MW
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In the following network, the voltage magnitudes at all buses are equal to 1 pu, the voltage phase angles are very small, and the line resistances are negligible. All the line reactances are equal to j1ΩIf the base impedance and the line – to line base voltage are 100 ohms and 100 kV respectively, then the real power in MW delivered by the generator connected at the slack bus isa)-10b)0c)10d)20Correct answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2025 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about In the following network, the voltage magnitudes at all buses are equal to 1 pu, the voltage phase angles are very small, and the line resistances are negligible. All the line reactances are equal to j1ΩIf the base impedance and the line – to line base voltage are 100 ohms and 100 kV respectively, then the real power in MW delivered by the generator connected at the slack bus isa)-10b)0c)10d)20Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In the following network, the voltage magnitudes at all buses are equal to 1 pu, the voltage phase angles are very small, and the line resistances are negligible. All the line reactances are equal to j1ΩIf the base impedance and the line – to line base voltage are 100 ohms and 100 kV respectively, then the real power in MW delivered by the generator connected at the slack bus isa)-10b)0c)10d)20Correct answer is option 'C'. Can you explain this answer?.
Solutions for In the following network, the voltage magnitudes at all buses are equal to 1 pu, the voltage phase angles are very small, and the line resistances are negligible. All the line reactances are equal to j1ΩIf the base impedance and the line – to line base voltage are 100 ohms and 100 kV respectively, then the real power in MW delivered by the generator connected at the slack bus isa)-10b)0c)10d)20Correct answer is option 'C'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE). Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free.
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