WebMar 3, 2024 · These losses are usually very small about 15% of full load loss. Stray Load Losses in DC Machine: ... Variable losses are equal to the constant losses of the DC generator i.e. armature circuit loss is equal to the sum of no-load rotational loss and field circuit loss. Variable loss - Constant loss = 0 ... WebIn a D . C . machine stray loss is the sum of (a) ... In a level compounded D.C. generator, full load terminal voltage is (a) negligibly low (b) equal to no-load terminal voltage (c) more than no-load terminal voltage (d) less than no-load terminal voltage Ans: b 563.
In a D.C. machine stray loss is the sum of EE MCQ
WebThe sum of the mechanical and core losses is the no-load rotational loss. The no-load losses can be determined by running the machine with rated excitation at no-load and then … WebIron losses in a D.C. machine are independent of variations in Armature reaction of an unsaturated D.C. machine is Eddy currents are induced in the pole shoes of a D.C. machine due to In case of D.C. machine winding, number of commutator segments is equal to The function of pole shoes in the case of D.C. machine is diamond parking redmond wa
In case of dc machines, mechanical losses are primary
WebJan 21, 2024 · There are some uncountable losses in a dc machine that are difficult to measure are called 'Stray Losses'. The loss due to sparking between the brushes and … WebIn a D.C. machine stray loss is the sum of: A. total copper loss and mechanical loss: B. armature copper loss and iron loss: C. shunt field copper loss and mechanical loss: D. iron loss and mechanical loss: View Answer 13 -3 Explanation:- Answer : D Discuss it below : Paresh Nanda Said ... WebStray losses in a machine are the sum of iron losses and mechanical losses Where as the constant losses include both stray loss and shunt field copper loss because for a machine shunt field copper losses are constant 9 Sponsored by Gundry MD How to entirely empty your bowels every morning (revealed). diamond parking redwood road slc