Q4. For the control system is shown in Figure 2, by using second methodof Ziegler- Nichols, calculate the PID, PI-D and I-PD parameters andmake tuning for this parameters to get accepting response for theهندسة الكمfollowing system, then compare your results for all types controllers?R(S)KC(s)S3+4S² +11SFigure (2)

Answered: Image /qna-images/answer/5a1ebd5d-dd0e-4912-9326-ca9a3aefd4ab.jpg

Answered: Q4. For the control system is shown in…

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter7: Relays

Section: Chapter Questions

Problem 9SQ: What is optoisolation?

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Refer here for the specifications of the D400. a) What power output should you be able to supply from the 24V D400 at 15.4 m/s? b) If the wind drops to 2 m/s, what will the output power be? c) According to the performance graph what is the maximum power you can obtain from the 24V D400? There is a possibility of installing the turbine on top of a 20m high mast instead. Assuming that Zo=0.012, what would you expect the wind speed to be at that height? Use wind shear formula and assume Vref = 7.5 m/s at a height of Zref =10 m.
Please solve this question in control system quickly
The following information is given for a 300kW, 600V, long shunt compound DC generat or, shunt field resistance is 75 ohms, armature resistance 0.01, brush resistance is 0.011 ohrms, series field resistance is 0.012 ohms and the divert or resistance of 0.036 ohms.When the machine is delivering full load; a. Draw the circuit diagrarn b. Calculate the voltage and C Power generated by the armat ure.
2.A. When machine losses are determined by the retardation method, it is necessary to know the machine'sA. ventilation requirements.B. resistance.C. moment of inertia.D. electrical input.2.B. If an aluminum field coil has a resistance of 120 ohms at 30 C, its corrected resistance at a temperatureof 75 C isA. 140.5 ohms.B. 141.2 ohms.C. 132.9 ohms.D. 133.3 ohms.
Q4/ Chose the correct answer for the following 1. In BLDC motor field winding is kept on a) Stator b) Rotor c) Can be placed anywhere d) Absent 2. By electronic circuitry BLDC can be controlled for both constant and variable torque operation. a) True b) False 3. In medical fields which DC motor is widely used? a) PMDC b) BLDC 4. Construction of BLDC is exactly similar to the a) Conventional DC motor c) Permanent magnet synchronous motor b) Induction motor 5. Typical brushless motor doesn't have a) Commutator b) Permanent magnet 6. The sensor most commonly used in the BLDC motor is a) Thermo Sensor b) Relay Sensor c) Brushed DC motor d) Cannot be determined d) Totally different construction c) Electronic controller d) Fixed armature c) Hall Sensor d) Power Sensor
5. A single phase full wave ac voltage controller working on ON-OFF control technique has supply voltage of 230V r.m.s, at 50Hz, and a load R = 5002. The controller is ON for 30 cycles and off for 40 cycles. Calculate (a) ON & OFF time intervals. (b) the output R.M.S. voltage. (c) the power factor of the controller.
(B) Select the correct answer for the alternatives given 1- A shunt generator supplies 445 A at 250 V. The resistances of shunt field and armature are 502 and 0.025 respectively. The voltage drop due to the armature resistance is a) 5V, b) 11.25V 2- No load current in a transformer c) 22.5V, d)25V a)-lags behind the voltage by about 75° c)--leads the voltage by about 75° b)-lags behind the voltage by about 15° c)-leads the voltage by about 15° 3-A 220V shunt motor develops a torque of 108 Nm at an armature current of 20 A. what is the developed torque when the armature current is 10 A? a) 81 Nm. b) 54 Nm. c) 216 N.m., d) 45 N.m 4- In transformer,the kVA at maximum efficiency is equal to full a) PL Peu b) [2 c) Peu Pl load kVA multiplied by P Peu 5-Which type of the transformers has parts of the winding is common to both the primary and secondary circuit? a) Power transformer c) Current transformer b) Auto-transformer. d) Matching transformer
Please solve no. 5 below. Please provide a clear and readable solution. Thanks in advance!!! The course subject is Electrical Machines. NOTE: Please include the circuit diagram if possible.
A shunt DC generator has no load terminal voltage of 140V. Armature resistance is 1ohm and shunt field resistance is 50ohms. Calculate: (i) Induced voltage (ii) A load is now connected to the terminals that starts drawing 2A current and terminal voltage drops to 130V. Calculate the new value of the induced voltage Make sure to draw equivalent circuits for (i) and (ii)
Explain the concept of motherboard power phases and their impact on system stability and overclocking.
Two shunt generators A and B operates in parallel and their load characteristicsmay be taken us straight lines. The voltage of the generator A falls from 240 V atno-load to 220 V at 200 A while that of B falls from 245 V at no load to 220 V at150 A. Determine the current which each machine supplies to a common load of300 A and the bus-bar voltage at this load.
A250 V, dc. shunt mtor has an amature resistance of 0.5 chmand a field resistance of 250 dhm When driving a load of canstant tarque at 600 r.pm, the ammature current is 20 A If it is desired to raise the speed fram600 to 800 r.p.m, what resistance should be inserted in the shunt field circut? Assume that the magnetic circut is unsaturated

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