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- With a labelled diagram of any DC machine Discuss it parts7. Increasing the length of the air gap of DC machine reduces the Armature reaction effect. Select one: True FalseTwo identical 2000 kw alternator operates in parallel. The governor of the first machine is such that the frequency drops uniformly from 50 Hz at no-load to 48 Hz at full-load. The corresponding uniform speed drop of the second machine is 50 Hz to 47.5 Hz, What is the system frequency such that maximum load that can be delivered without overloading either machine?
- Suppose that you were an engineer planning a new electric co-generation facility for a plant with excess process steam. You have a choice of either two 10 MW turbine-generators or a single 20 MW turbine generator. What would be the advantages and disadvantages of each choice? (Note: Ans with detail hand writing.) step by step and headingsElectrical machine machinery principle question.Give information about this Transient stability of multi machine power system using UPFC
- Q4. What is Commutation Process? What are the Problems associated with Commutation in Real Machines and how what are the Solutions to Problems with Commutation in Real Machines.Describe the similarities in the construction of a DC motor and a DC generator. Please answer in short point wise and dont copy from other sources i will like lt111/ The armature reaction of the DC generator reduces the generated EMF. Select one: True False
- This question from machine and drives subject.A d.c. shunt machine has armature and field resistances of 0.025 Ω and 80 Ω respectively. When connected to constant 400-V bus-bars and driven as a generator at 450 r.p.m., it delivers 120 kW. Calculate its speed when running as a motor and absorbing 120 kW from the same bus-barsThe nominal speed of a construction machine with an operation is 1000 rpm, and when the speed of the construction machine is halved, the power of the electrical machine is halved. What are the characteristics of the electrical machine and the work machine that should be preferred for such a system?