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Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.
The output voltage of each generator will be
- a)240 V
- b)238.2 V
- c)271.7 V
- d)256.4 V
Correct answer is option 'D'. Can you explain this answer?
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Two generators G1 and G2 are to be operated in parallel to deliver a ...
Solution:
Given that G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current.
Therefore, the voltage drop in G1 when supplying 40 A current is given by,
Voltage drop in G1 = 280 V - 240 V = 40 V
Similarly, G2 has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.
Therefore, the voltage drop in G2 when supplying 50 A current is given by,
Voltage drop in G2 = 300 V - 240 V = 60 V
Let V be the output voltage of each generator.
Then, the total current delivered by both generators is given by,
Total current = (V - 240)/40 + (V - 240)/50 = 60 A
Simplifying the above equation, we get
V = 256.4 V
Therefore, the output voltage of each generator is 256.4 V.
Hence, the correct answer is option D.
Given that G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current.
Therefore, the voltage drop in G1 when supplying 40 A current is given by,
Voltage drop in G1 = 280 V - 240 V = 40 V
Similarly, G2 has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.
Therefore, the voltage drop in G2 when supplying 50 A current is given by,
Voltage drop in G2 = 300 V - 240 V = 60 V
Let V be the output voltage of each generator.
Then, the total current delivered by both generators is given by,
Total current = (V - 240)/40 + (V - 240)/50 = 60 A
Simplifying the above equation, we get
V = 256.4 V
Therefore, the output voltage of each generator is 256.4 V.
Hence, the correct answer is option D.
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Community Answer
Two generators G1 and G2 are to be operated in parallel to deliver a ...
Generator G1
Voltage drop per ampere = (280-240)/40 = 1 A
Let output current is IG1, then output voltage will be
VG1 = 280 - 1 x IG1
Generator G2
Voltage drop per ampere = (300-240)/50 = 1.2 A
Let output current is IG2, then output voltage will be
VG2 = 300 - 1.2 x IG2
For parallel operation, output of each generator would be same i.e.
So,
Total current delivered
Total current deliveredSolving equation (i) and (ii) , we get
So the output voltage
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Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer?
Question Description
Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer?.
Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator G1 has a terminal voltage of 280 V on no-load and 240 V when supplying 40 A current. Similarly, the second generator has a voltage of 300 V, when on no-load and 240 V, when supplying 50 A of current.The output voltage of each generator will bea)240 Vb)238.2 Vc)271.7 Vd)256.4 VCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Electrical Engineering (EE).
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