Question
In: Electrical Engineering
-Draw Separately excited Dc Generator -Draw the graph for external Characteristic for a DC Generator. -Draw...
-Draw Separately excited Dc Generator
-Draw the graph for external Characteristic for a DC
Generator.
-Draw the Shunt Generator.
-Draw the Series Generator.
-Draw the Compound Generator.
-Draw the power flow Diagram for all of the circuit mentioned
above.
-Draw the Torque Speed of the Shurt Motors.
-Explain the Back EMF?
-Series Motor why the field is in series with the
winding?
-why should Dc Motor, should never be started at its rated
voltage?
-Explain the principle of a PM Motor.
Solutions
Manojponduru answered 1 year agoRelated Solutions
Q2.Draw the equivalent circuit of separately excited DC machine, and show current and power paths for...
Q2.Draw the equivalent circuit of separately excited DC machine,
and show current and power paths for generator operation.
(1) Simulate dynamically a separately-excited DC motor with a block diagram modeling in SIMULINK. Use the...
(1) Simulate dynamically a separately-excited DC motor with a
block diagram modeling in SIMULINK. Use the following parameters:
Ra=0.06; La=0.0018; ka=0.1; Bm=0.001; Jm=0.03; Va=1; Tl=0.01; Vd=1;
Rd=0.01; Ld=0.01;
Show your block diagram with all connections among blocks as
well as plot the input armature voltage, speed, torque and armature
current.
(2) Repeat what was asked in the first question with this
machine series connected.
(3) Repeat what was asked in the second question with this
machine series connected and an...
A 230 V, 250 rpm, 100 A separately excited dc motor has an armature resistance of...
A 230 V, 250 rpm, 100 A separately excited dc motor has an
armature resistance of
0.5 Ω. The motor is connected to 230 V dc supply and rated dc
voltage is applied
the field winding. It is driving a load whose torque-speed
characteristic is given by
TL = 500 − 10ω
where ω is the speed in rad/sec and TL is the load torque in
N-m. Find
(a) the steady state speed at which the motor will drive the...
A 230 V, 500 rpm, 100 A separately- excited dc motor has an armature resistance of...
A 230 V, 500 rpm, 100 A separately- excited dc motor has an
armature resistance of 0.1 ohms. The motor is driving, under rated
conditions, a load whose torque is constant and independent of
speed. The speeds below the rated speed are obtained with armature
voltage control (with full field) and the speeds above the rated
speed are obtained by field control (with rated armature
voltage).
What motor terminal voltage is needed to run it at 400 rpm?
By what...
a) A 50kW separately excited DC motor has armature resistance of 2.5W, armature inductance of 30mH...
a) A 50kW separately excited DC motor has armature resistance of
2.5W, armature inductance of 30mH and back e.m.f of 100V when the
motor is fed from a buck converter with 250VDC input, 50Hz
switching frequency and 50% duty cycle. Assuming continuous
conduction and lossless converter, find out the maximum, minimum
and ripple currents in armature.
b) Determine the values of inductor and filter capacitor for a
buck converter with following specifications: Input= 48V, output =
24V, Load curernt =...
The speed of a 11 KW, 150 V, 1300 rev/min separately excited DC motor is controlled...
The speed of a 11 KW, 150 V, 1300 rev/min separately excited
DC motor is controlled by a
single-phase fully-controlled thyristor converter. The rated
motor current is 25 A, and the
armature resistance is Ra = 0.5 Ohm. The ac supply is 160 V.
The motor voltage constant KE =
0.182 V/rev/min. Assume that sufficient inductance is present
in the armature circuit to make
the armature current continuous and ripple free.
For a firing angle of alpha = 20 degree...
identify that parts of a dc generator that convert its induced voltage into a dc output
identify that parts of a dc generator that convert its
induced voltage into a dc output
Which type of DC generator will you prefer to charge the battery? Explain the generator with...
Which type of DC generator will you prefer to charge
the battery? Explain the generator with a neat
diagram and necessary formulas.
Can you do brief research on : - Separetely excited DC motor applications - Shunt DC...
Can you do brief research on :
- Separetely excited DC motor applications
- Shunt DC motor applications
- Series DC motor applications
Which type of DC generator has best voltage regulation?
Which type of DC generator has best voltage regulation?
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