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DC Generator

5 DC Generator Problems with Solution – Part 1

  • Categories DC Generator, Interview Questions, Objective Questions
DC generator problem 1

1. A shunt generator delivers 450 A at 230 V and the resistance of the shunt field and armature are 50 Ω and 0.03 Ω respectively. Calculate the generated e.m.f?

Solution:
The Generator Circuit is as shown in the figure,

DC%2Bgenerator%2Bproblem%2B1
DC%2Bgenerator%2Bproblems%2B1

2. A four pole generator having wave-wound armature winding has 51 slots, each slot containing 20 conductors. What will be the voltage generated in the machine when driven at 1500 rpm assuming the flux per pole to be 7.0 mWb ?

Solution:
For a simplex wave wound generator,
DC%2Bgenerator%2Bproblems%2B2

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    9 Comments

  1. Mohammed Uzair Dawalji
    January 11, 2019
    Reply

    Excellent

    • SATYAM KUMAR CHAUDHARY
      March 16, 2019
      Reply

      How you say that excellent
      Whenever totally are wrong process

  2. Satyam Kumar
    March 16, 2019
    Reply

    In dc generator wave wound:- Number of poles is not is equal to number of parallel path.
    Always A=2
    Or,
    In lap wound A=mP. Where,
    (A=no. of parallel path)
    (m=no. of winding)
    (P=no. of poles)
    I think it may be right…..

    • Andy Yeboah
      September 10, 2019
      Reply

      Nice explanation.

    • Venkata Ramana
      September 9, 2020
      Reply

      Thank you for clarifying my doubt

  3. ASRAR HUSSAIN BHAT
    April 29, 2019
    Reply

    Deduce the internal characteristics from the external characteristics and estimate the full load voltage drop due to armature reaction
    reply,
    please

    • Admin bar avatar
      Tesla Edison
      April 24, 2020
      Reply

      https://studyelectrical.com/2014/08/characteristics-of-shunt-generator.html

  4. rishabh sisodiya
    January 26, 2020
    Reply

    357 volts is the correct ans.
    A=2 in wave wound dc generator

  5. Jerome Mangrubang
    October 14, 2020
    Reply

    Eg= 357 V
    A=2

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