A shunt DC generator gives the following results during the O.C. test at when running at rated speed Field current (A): 0.5 E.M.F. (volt): 1 2.5 3.0 3.5 2.0 1.5 60 120 138 145 151 152 The field resistance is adjusted to 5352 and the terminal voltage is 106 V on load. Armature resistance is 0.152 and assuming that the flux is reduced by 4% due to armature reaction when a generator runs at rated peed. Calculate the output power supplied by the generator. 149

Q: Calculate armature current for A d.c. shunt generator has shunt field winding resistance of 100 Q Hi…

A: The given details are:

Q: A 250 V d.c. shunt generator has 1250 watts constant loss. Find out load current at maximum…

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Q: A shunt DC generator has no load terminal voltage of 140V. Armature resistance is 1ohm and shunt…

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Q: In a DC generator, the effect of armature reaction on the main field is to * reverse it O distort it…

A: - When current flows through the armature conductors, the flux is set up in the air gap. - The flux…

Q: A 4 pole machine generates 250 volts when operated at 1500 rpm. If the flux per pole is 1.85 x…

A: It is given that: P=4Ea=250 voltsN=1500 rpmϕp-p=1.85×106 maxwell=1.85×106×10-8WbA=2no. of armature…

DC Generator

An electromechanical machine which converts input mechanical energy to respective output electric energy is called a generator.