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What two purposes do the pole shoes of the field pole pieces of dc machines serve?
The pole shoes of the field pole pieces in DC machines serve two primary purposes: first, they help to distribute the magnetic field more evenly across the air gap, which enhances the efficiency of the machine; second, they provide a larger surface area for the field windings, allowing for better heat dissipation and supporting the mechanical structure of the machine. This design improves both the performance and longevity of the DC machine.
What is mechanical loss in dc machines?
Friction and windage causes mechanical loss in DC machines.
What is the principles of DC machines?
All DC machines are works based on the principle of FARADAY'S LAW OF ELECTROMAGNETIC INDUCTION.
How can the field coils of DC machines be connected with self excited machines?
No
How many types of DC machine?
05 types of dc machines
How is DC shoes made?
machines
At the national air and space museum i dc you can see all three of these famous flying machines. But which one never acttualy flew?
The Enterprise!!!!!!!!!!!!
Why carbon brushes are used in DC machines?
Carbon brushes used in DC machines because carbon is soft material and it does not generate spikes when contact with commutator
Hetropolar field winding in dc machines?
a common magnetic flux crosses the air gab from stator to rotor cores causing in the production of north and south poles in the air gab between them
What is the EMF for DC machines?
Electro Magnetic Field
Why DC motors and DC generators are commonly known as DC machines?
because the dc motor will act as dc generator as same as dc generator acts as a dc motor .so it is called as dc machines.AnswerBecause generators and motors are machines, and operate on d.c.'A.C. machines' are generators, transformers, and motors which operate on a.c.
How do you convert a DC motor to a generator?
all the electrical machines can be run either as a motor or as a generator. but dc machines, A motor can be run as generator and vice versa with little modification
