In a d.c. machine stray loss is the sum of
WebIn a D.C. machine stray loss is the sum of total copper loss and mechanical loss armature copper loss and iron loss shunt field copper loss and mechanical loss iron loss and mechanical loss View answer 47. In a four-pole D.C. machine all the four poles are north poles alternate poles are north and south all the four poles are south poles 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. …
In a d.c. machine stray loss is the sum of
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WebIn a D.C. machine stray loss is the sum of - iron loss and mechanical loss 84. Lap winding is composed of - any even number of conductors 85. In a D.C. generator in case the resistance of the field winding is increased, then output voltage will - decrease. 86. An exciter for a turbo generator is a WebTwo types of losses namely hysteresis and eddy current loss occur in the magnetic core. The iron loss is almost constant therefore the iron loss or core loss is also called constant loss. The total core loss is about 20-25 % of the full load losses. 3 …
WebJun 16, 2024 · In a D.C. machine stray loss is the sum of_____? Hamad D.C. Generators 16/06/2024. A. total copper loss and mechanical loss B. armature copper loss and iron loss 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 commutator segments, loss due to the armature reaction effect that distorts the flux distribution, and many more are considered as stray losses.
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 In a D.C. machine stray loss is the sum of WebIn a D.C. machine stray loss is the sum of Armature copper loss and iron loss Iron loss and mechanical loss Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Answer Download EE MCQ app DC Generators The voltage drop for which of the following types of brush can be expected to be least? None of these
WebIn a D.C. machine stray loss is the sum of? Last Answer : In a D.C. machine stray loss is the sum of iron loss and mechanical loss. 1 answer. 3.0k views. ... Last Answer : To avoid formation of grooves in the commutator of a D.C. machine the brushes of opposite polarity should track each other. 1 answer. 163 views. open; circuited; armature;
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. … banca albengaWebIn a D.C. machine stray loss is the sum of Iron loss and mechanical loss Shunt field copper loss and mechanical loss Total copper loss and mechanical loss Armature copper loss … banca albertini s.p.aWebStray Loss In practical transformer, a fraction of the total flux follows a path through air and this flux is called leakage flux. This leakage flux produces eddy currents in the conducting or metallic parts like tank of the transformer. These eddy currents cause power loss, which is known as stray loss. Dielectric Loss banca aletti wikipediaWebIn a D.C. machine stray loss is the sum of; The working of a meter is based on the use of a permanent magnet. In order to protectthe meter functioning from stray magnetic fields; … banca alertasWebDC Generators In a D.C. machine stray loss is the sum of Armature copper loss and iron loss Total copper loss and mechanical loss arti akhlak karimahWebIn a D.C. machine stray loss is the sum of 37. Which of the following statement about D.C. generators is false? 38. The armature core of a D.C. generator is usually made of 39. In D.C. generators, current to the external circuit from armature is given through 40. banca albertiniWebMar 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 ... banca alba orari