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TILL 1. What is the formula for calculating the mechanical output power of a motor? nx...
u(t) ta(t) e(t) A DC motor is a electro-mechanical system, where mechanical motor is coupled with...
u(t) ta(t) e(t) A DC motor is a electro-mechanical system, where mechanical motor is coupled with an electrical circuit. The motor shows up in the circuit equation as a voltage loss proportional to the motor speed, and the electrical system shows up as the input torque proportional to the armatura current DC motor equations are given by dw(t) dialt) where J is the mass moment of inertia in kg-m2, b is the damping coefficient in N-m-s, K is the motor...
A. A three-phase ac induction motor drives a mechanical load. The motor's terminal voltage is 470V,...
A. A three-phase ac induction motor drives a mechanical load. The motor's terminal voltage is 470V, 60 Hz. The motor's line current is 175 A, and the power factor is 0.85 lagging The motor's output power is 140 hp and the motor rotates at a speed of 1735 rpm. The motor's copper and core losses total 8.5 kW combined 1. Determine the number of poles of this motor 2. Determine the motor's shaft torque (N-m). 3. Determine the motor's rotational...
A 220 V DC shunt motor has an armature resistance, Re-0.1 S2, a field resistance, Ry=100...
A 220 V DC shunt motor has an armature resistance, Re-0.1 S2, a field resistance, Ry=100 12, and negligible rotational losses. Under certain load conditions, the shunt motor runs at 1600 rpm while drawing a total current, I = 100 A. Determine: a. the output power of the motor; b. the output torque in N-m; and, c. the efficiency Without making any changes to the applied voltage or the field, the motor operates with a new M mechanical load that...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent circuit components are R=0.100 Ry=0.070. X - 10.00 R = 250 X; -0.2100 X=0.21002 Praw=500 W P =0.5% of input at full load For a slip of 0.05, find (a) The line current (b) The induced voltage in the rotor (c) The stator power factor (d) The rotor power factor (e) The rotor frequency (f) The stator copper losses (g) The core loss (h)...
help!!!! What is the rated velocity and mechanical output power of the rotor? Velocity_1500 Power =...
help!!!!
What is the rated velocity and mechanical output power of the rotor? Velocity_1500 Power = h. r/min 186.4 3. Calculate the rotor slip velocity (in r/min) from procedures 6, 8, 9, 10 and 11. (slip velocity synchronous velocity slip (6) = slip (9) slip (11)-- rotor velocity). (5) r/min slip (8)- r/min r/min slip (10) r/min r/min 6. Couple the DC motor/generator to the wound-rotor motor with the timing belt. Turn on the power supply, Keep the variable output...
in the circuit below, the switch S Question 4 (4.0 pts) A series motor has an...
in the circuit below, the switch S
Question 4 (4.0 pts) A series motor has an armature resistance 0.50? and a series-field resistance R0.202. It is connected to a DC voltage U 400 V. Assume a brush drop U, 3.0V and that the flux is proportional to the current. a. The speed is n 600r/min when the line current is , 40A i. Find the counter electromotive force E ii. Assume that there is no mechanical loss, find the power...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Qu...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
p Hay question ADC motor delivers power to a machine through a gear drive involving an...
p Hay question ADC motor delivers power to a machine through a gear drive involving an idler gear, as shown in the figure. Under normal operating conditions, the motor runs at a speed of n = 3000 rpm and produces a torque of T10.2N m. The number of teeth in the pinion, idler and your are yven in the figure. 1. Determine the total transmission ratio of the gear drive: 2. Calculate the speed of the idler gear (in units...
The peak power of a PMDC motor is 1 W at 12 V. The stall torque...
The peak power of a PMDC motor is 1 W at 12 V. The stall torque at 12 V is 0.2 N-m. What is the torque constant for this motor?
1)A mechanical load is driven by an electric motor at an equilibrium speed Wa. The load...
1)A mechanical load is driven by an electric motor at an equilibrium speed Wa. The load is Tl = 20+0.6w and the load moment of inertia is Jl= 2kgm^2 The speed-torque relation of the motor is w=100-0.1T and the moment of inertia is Jm = 0.2 kgm^2. a) Calculate the power requirement for Wc operation speed b) Calculate the stopping time of the motor when its turned off at the continuous operating W c)Draw torque-speed characteristics of motor and load...
u(t) ta(t) e(t) A DC motor is a electro-mechanical system, where mechanical motor is coupled with an electrical circuit. The motor shows up in the circuit equation as a voltage loss proportional to the motor speed, and the electrical system shows up as the input torque proportional to the armatura current DC motor equations are given by dw(t) dialt) where J is the mass moment of inertia in kg-m2, b is the damping coefficient in N-m-s, K is the motor...
A. A three-phase ac induction motor drives a mechanical load. The motor's terminal voltage is 470V, 60 Hz. The motor's line current is 175 A, and the power factor is 0.85 lagging The motor's output power is 140 hp and the motor rotates at a speed of 1735 rpm. The motor's copper and core losses total 8.5 kW combined 1. Determine the number of poles of this motor 2. Determine the motor's shaft torque (N-m). 3. Determine the motor's rotational...
A 220 V DC shunt motor has an armature resistance, Re-0.1 S2, a field resistance, Ry=100 12, and negligible rotational losses. Under certain load conditions, the shunt motor runs at 1600 rpm while drawing a total current, I = 100 A. Determine: a. the output power of the motor; b. the output torque in N-m; and, c. the efficiency Without making any changes to the applied voltage or the field, the motor operates with a new M mechanical load that...
5. A 208-V four-pole 60-Hz Y-connected wound-rotor induction motor is rated at 30 hp. Its equivalent circuit components are R=0.100 Ry=0.070. X - 10.00 R = 250 X; -0.2100 X=0.21002 Praw=500 W P =0.5% of input at full load For a slip of 0.05, find (a) The line current (b) The induced voltage in the rotor (c) The stator power factor (d) The rotor power factor (e) The rotor frequency (f) The stator copper losses (g) The core loss (h)...
help!!!!
What is the rated velocity and mechanical output power of the rotor? Velocity_1500 Power = h. r/min 186.4 3. Calculate the rotor slip velocity (in r/min) from procedures 6, 8, 9, 10 and 11. (slip velocity synchronous velocity slip (6) = slip (9) slip (11)-- rotor velocity). (5) r/min slip (8)- r/min r/min slip (10) r/min r/min 6. Couple the DC motor/generator to the wound-rotor motor with the timing belt. Turn on the power supply, Keep the variable output...
in the circuit below, the switch S
Question 4 (4.0 pts) A series motor has an armature resistance 0.50? and a series-field resistance R0.202. It is connected to a DC voltage U 400 V. Assume a brush drop U, 3.0V and that the flux is proportional to the current. a. The speed is n 600r/min when the line current is , 40A i. Find the counter electromotive force E ii. Assume that there is no mechanical loss, find the power...
QUESTIONS Question-3: Draw "speed vs. torque" curve using data in Table-1. The completed graph represents the speed vs. torque characteristics of a typical DC shunt-wound motor. Terax Question-4: Calculate the speed regulation (full load - 12 lbf.in) using the equation: 2-143) 143 (no load Regulation (full load speed) Speed regulation- % Part-II - Motor Efficiency Calculation: Set the dynamometer control knob at its full CW position (to provide the maximum starting load for the shunt-wound motor). Turn on the power...
p Hay question ADC motor delivers power to a machine through a gear drive involving an idler gear, as shown in the figure. Under normal operating conditions, the motor runs at a speed of n = 3000 rpm and produces a torque of T10.2N m. The number of teeth in the pinion, idler and your are yven in the figure. 1. Determine the total transmission ratio of the gear drive: 2. Calculate the speed of the idler gear (in units...
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