Electrical Motor Controls for Integrated Systems
5th Edition
ISBN: 9780826912268
Author: Gary Rockis;Glen A. Mazur
Publisher: American Technical Publishers
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Chapter 29.4, Problem 1CP
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To explain: Whether the standard V-belt size is designed by a number or a letter.
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I would like assistance with the electrical system of a streetcar/train, specifically in performing calculations related to speed, torque, and power for the motor and the train.Streetcar Gear SystemFrom my research, I have found that streetcars typically do not use traditional gear systems. Instead, the motor directly drives the truck (the assembly that holds the wheels and axles) to achieve the desired speed and torque required by the vehicle. The motor's speed and torque are controlled by a control box, which regulates the motor's performance according to the operational requirements.
Truck LimitationsThe truck that will be used has certain limitations, such as:
Maximun allowable speed: 50 mph
Maximum motor output: 75 hp
Motor specification:
The specification of the motor is the following:Output power 200 HPSpeed 1150/2000 RPMArm’s voltage 600 VArm’s current 317 AFields volts 220 VField Amps 8/3Field Winding CompoundTorque calculation of the…
7. Find the currents I₁ and 12 in the following circuit, (16 points)
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Question- A plane wave in a non-magnetic medium
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Electrical Motor Controls for Integrated Systems
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- Express this graph/signal as a sum of singularity functions. Please give a proper solution.arrow_forward2) A 208 V, four-pole, 60 Hz, Y-connected, wound-rotor induction motor has a rated power of 30 HP. The components of its equivalent circuit are R1 = 0.100 R2 = 0.070 XM = 10.0 X1 = 0.210 X2 = 0.210 Pmec = 500 W Psup ~ 0 Pcore = 400 W For a slip of 0.05, find: a) The line current b) The stator copper losses PcE c) The air gap power PEF d) The power converted from mechanical to electrical form Pconv e) The induced torque _ind f) load torque _load g) The total efficiency of the machine h) The speed of the motor in revolutions per minute and in radians per secondarrow_forward5. There are three sources that would affect the current flow in this circuit. Find the current through the 4k2 resistor that is caused solely by the 24V source (i.e., remove the 2mA and 12V sources using the correct methods). (20 points) 24 V + 9k, ww www 4kS 2mA 24ΚΩ www ++ 12V www 6k 24ΚΩarrow_forward
- "Can you explain the method of finding the direction?" the electric field in free space is given by ety E: 50 Cos [2π 10 t - Bz ] a) find the direction of the wave propagation b) Calculate W, B, A, S V/marrow_forwardAthle phase a.c. distributor AB has: The distance from A to B is 500 m. The distance from A to C is 800 m. The impedance of each section is (6+j 8) /km. A B C The voltage at the far end is maintained at 250 volt. Find: sending voltage, sending current, supply power factor and 80 A 60 A total voltage drop. 0.8 lag. P.f 0.6 lead. p.farrow_forwardThe transfer function H(s) = Y(s)/X(s) = Vo(s)/Vi(s) should be found from the circuit given that the initial conditions are equal to 0. Do not answer using AI Chatbots. PLEASEarrow_forward
- A 10kW, 230V, long shunt compound DC generator has efficiency = 82%, armature resistance = 0.15 ohms, series field resistance = 0.1 ohm, shunt field resistance = 100 ohms. What are: armature current, armature voltage across the brushes, generated emf, total copper losses, and horsepower of prime mover?arrow_forwardThe capacitors in the circuit shown below have no energy stored in them and then switch “A” closes at time t=0. Find v(t) across the 6 uF capacitor for t≥0arrow_forwardConsider the circuit Below: A) Find and show the Thevenin equivalent with respect to terminals a,b B) Find and show the Norton equivalent with respect to terminals a,b C)Find the value of Ro and the maximum power delivered across it when its adjusted such that the power across it is the maximum possible when connected in this fashionarrow_forward
- Consider the Circuit Below: A)Find Vo if Vin is 0.2 volts and the positive and negative power supply voltages are +15v and -15v respectively. B)What is the Maximum of Vin that will not hit saturation for this circuit?arrow_forwardA shunt generator is rated at 125V, 25KW; armature resistance is 0.08 ohms, shunt field resistance is 25 ohms. What are: Armature voltage at rated load, armature power loss, shunt field power loss Total power generated in the armature?arrow_forwardA 12KW, 240V 1500RPM shunt generator has an armature resistance of .02 ohm and a shunt field resistance of 160 ohms. The stray power losses are 900W. Assuming a constant shunt field current, what (1) the efficiency at rated load and (2) the efficiency of the generator at half-rated load?arrow_forward
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