Question

In a delta connected system, the expression of power (P) is? (a) VLILcosφ W (b) √3 VLILcosφ W (c) 3VLILcosφ W (d) 3√3VLILcosφ W The question was posed to me at a job interview. My question is taken from Voltage, Current and Power in a Delta Connected System in portion Polyphase Circuits of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

Answer 1

Right answer is (b) √3 VLILcosφ W The explanation is: The total power in the delta circuit is the sum of the powers in the three phases. In a delta connected system, the expression of power (P) is P = √3VLILcosφ W.