What is field system in DC machine?
The Magnetic Field System is the stationary or fixed part of the machine. It produces the main magnetic flux. The magnetic field system consists of Mainframe or Yoke, Pole core and Pole shoes and Field or Exciting coils. These various parts of DC Generator are described below in detail.
What is DC motor formula?
VIa = Input Power supply (Armature Input) EbIa = Mechanical Power developed in Armature (Armature Output) Ia2 Ra = Power loss in armature (Armature Copper (Cu) Loss)
What is the output equation of DC machine?
For a DC motor, what is the output power equation? Output power = Generated Power – For DC Motor.
How do you calculate field current in a DC motor?
Calculate the field current for the motor using the formula I = V/R where I is the field current. As an example, assume V is 40 volts and R is 500 ohms: I = 40/500 = 0.08 amps.
What is the EMF equation of DC machine?
EMF Equation of DC Machine The EMF equation is given by E = ФZNP/60A
What are the formulas for a DC generator?
The following basic DC generator formulas and equations can be used to design, simplify, and analyze the basic generator circuits to determine the power, efficiency, voltage & current, generated EMF, torque, losses etc. the torque of generator is directly proportional to the armature current & it is given by:
What is the magnetic field system of a DC generator?
Magnetic Field System of DC Generator. The Magnetic Field System is the stationary or fixed part of the machine. It produces the main magnetic flux. The magnetic field system consists of Mainframe or Yoke, Pole core and Pole shoes and Field or Exciting coils.
How to find the power equation of a DC motor?
Multiplying both sides of Voltage Equation (1) by Ia , we get the power equation of a DC motor as follow. VIa= EbIa + Ia2 Ra ….. (2) The armature induced voltage Eb is proportional to the speed & it is given by: