A small motor has a nameplate hp of 1.3 at 882 rpm. The torque available in lb-in is _____. (input just the number to 2 decimal places
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A small motor has a nameplate hp of 1.3 at 882 rpm.
The torque available in lb-in is _____. (input just the number to 2 decimal places
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- A stepper motor is configured in to a half step. If it rotate 32 steps. what data pulse is the last fed on the wires if the pulse starts with 1000? Select one: a.1010 b.0110c.1000 d.1100 e.01013. A 25 Kw shunt generator is delivering full output to 4O0V bus bars and is driven at 950 rpm by belt drive. The belt breaks suddenly but the machine continues to run as a motor taking 25 Kw from the bus bars. At what speed does it run? Take armature resistance including brush contact resistance as 0.5 ohm and field resistance as 160 ohms.Q51 Which NEC table is used to determine the full-load current of a torque motor? Select one: A. NEC TABLE 430.6(B) B. NEC TABLE 430.7(B) C. NEC TABLE 430.24 D. NEC TABLE 430.22
- 4. A stepper motor has a step angle of 1.8° and it is driven at 6500 pps. i) Calculate the shaft speed. a) Calculate the resolution. ii) iii) Calculate the motor speed in rpm. iv) Calculate the pulse required for 5.5 revolution. Calculate the rotor teeth given the stator teeth is 50. v)Below is a diagram of a DC motor and the mechanical load connected to it. Which statement is wrong? A. The speed of the motor ea increases with increasing B. The torque of the motor increases with increasing ia C. eb increases and speed decreases D. if increasing. the torque of the motor increases E. NoneReport: 1. Draw in graph paper the relationship between the speed (5) and Torque(Ia). 2. Draw in graph paper the relationship between the speed (5) and Torque(Po). 3. Discuss the graphics between the (5 & Ia).
- output of 30 hp. The equivalent circuit parameters of the motor are, R = 0.12 2, R = 0.07 2, X1 = 0.25 N, X, = 0.25 2, and XM = 20 2. The mechanical loss of the induction machine is 500 W and the core loss is 400 W. The slip of the machine is 0.04. Determine the overall machine efficiency. a) 88.57% (b) 91.26% c) 86 17%From this graph, if I change the value of the Ifl current what will happen to the torque and speed . Please answer the question with the drawing1- The below given nameplate a) How can it be run in a network of 240 V, 50 Hz? b) Will there be any changes in the number of revolutions? CHICAGO - , HP Electric Power Tools MODEL: 92105 INDUSTRIAL VOLT: 120 AMPS: 5.5 POLES: HP: 1/2 HZ: 60 RPM: 1725 PHASE: DATE: Oct 18,07 SERIAL#: 070043 MADE IN THAILAND Explain in detail?
- With a neat sketch, Explain how a motor can be controlled with the help of PLCQUESTION ONE A 50 HP motor is required for a certain drive and there are two motors available Induction motor having efficiency 92% Synchronous motor having an efficiency 98% and costs ZMK1,000 more than the induction motor. If the motor is to be operated at full load for 3,000 hours in a year, find out which motor is economical. The annual rate of interest and depreciation is 10% and the cost of energy is 7 ngwee per unit.3.) The time delay fuse using the strict standard rating for 2Ø, 230 V, 7.5 hp SCIM motor is A. 25 A B. 30 A C. 35 A D. Any of the above