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What are the effect of armature reaction in DC machine and how the armature reaction is minimise?
Armature reaction is the interaction between the magnetic flux produced by armature current and that of the main magnetic field in an electric motor or generator.
What is the difference between a seperately excited DC generator and DC shunt generator?
The difference between a separately excited DC generator and a Shunt DC generator is that for a separately excited Dc generator , the excitation field winding is supplied by an external source different from that supplying the armature while for shunt generator, the excitation field windind is connected in series with the armature and supplied by a single source.
Why pole face are chamfered in dc machine?
in order to reduce armature reaction.
What are the Difference between dc motor and dc generator?
a motor Will do work by consuming power a generator is just the opposite
What is a compound dc generator?
generators are machines that convert machanical energy to electrical energy and could be AC or DC. if in a DC generator has it field armature connection in both series and parallel its said to be compound dc generator.
What are the effect of armature reaction in DC machine and how the armature reaction is minimise?
Armature reaction is the interaction between the magnetic flux produced by armature current and that of the main magnetic field in an electric motor or generator.
What is the purpose of Inter-pole fitted in a DC generator?
to chancel the effect of the armature reaction.
Why dc shunt generator does not have armature resistance?
It does have armature resistance.
What kind of current flows in the armature conductor of a dc generator?
pogi current flow in the armature conductor
In a dc generator brushes are placed in which side to avoid armature reaction?
along the M.N.A axis along the M.N.A axis
What is the difference between a seperately excited DC generator and DC shunt generator?
The difference between a separately excited DC generator and a Shunt DC generator is that for a separately excited Dc generator , the excitation field winding is supplied by an external source different from that supplying the armature while for shunt generator, the excitation field windind is connected in series with the armature and supplied by a single source.
Why pole face are chamfered in dc machine?
in order to reduce armature reaction.
What is the function of armature core in dc generator?
this is wer the armature conductors ar being mounted,therefor it helps the flexibility of armature conductors.
What are the Difference between dc motor and dc generator?
a motor Will do work by consuming power a generator is just the opposite
In a dc generator why does total flux per pole decrase if the load on the machine increases even thought the field current is constsn?
Due to armature reaction
What is a shunt generator?
A shunt generator is a method of generating electricity in which field winding and armature winding are connected in parallel, and in which the armature supplies both the load current and the field current.A direct current (DC) generator, not using a permanent magnet, requires a DC field current. The field may be separately excited by a source of DC, or may be connected to the armature of the generator so that the generator also provides the energy required for the field current.
What is a compound dc generator?
generators are machines that convert machanical energy to electrical energy and could be AC or DC. if in a DC generator has it field armature connection in both series and parallel its said to be compound dc generator.
