The preferred method for applying the field excitation voltage uses a field relay which operates on the principle of A. speed application. B. time application. C. angle application. D. thermal application.
Q: Find the reading of ohmmeter in the circuit connection shown below Ω IG +0+ O 1.20 O Zero O 20.30 O…
A: Given circuit,
Q: Design the RTL gate to give function = (A+B).C
A: Given: F=(A+B).C To do: We have to design above mentioned logic function using RTL.
Q: 1.1. Two thyristors are connected in inverse-parallel for control of the power flow from a…
A: Given: Two Thyristors are connected in inverse-parallel for control of power flow. Single phase AC…
Q: The secondary winding of a transformer has a terminal voltage of vsec (t) = 234 sin (377t) V. The…
A: In this question we need to find a voltage regulation of the given transformer. While calculating…
Q: Eliminate the arbitrary constants. 1.) y = Ce* + C₂€²x
A: As per Bartleby guideline we need to answer the first question only. Kindly repost the rest…
Q: A steel tire, 10 mm thick, 80 mm wide, and 1500.0 mm inside diameter, is heated and shrunk onto a…
A: The given figure is shown below:
Q: A parallel plate capacitor of area A cm² and separating distance ‘a’ cm is dipped in ethyl alcohol…
A:
Q: For circuit with series and parallel resistors, the supply voltage, Vsupply=120 Volts and the…
A:
Q: 2) - LA WAL 5.) IN IT) (45) 12V
A: We need to find out the current for given circuit , first we will find out node voltage then we will…
Q: Consider a unity feedback control system. Assume that the input signals are unit step, unit ramp,…
A: Given: G(s)=K(2s+1)(4s+1)s2(s2+2s+10) Input signals are unit step, unit ramp and unit parabolic. To…
Q: what is the turns ratio or voltage ratio of the two transformers?
A: Given, Two identical 460/230-V transformers are connected in parallel and is connected across a load…
Q: IA 5.) DAN I) ONE) I, 34-13 www Find In, In, and Iz 850 WAL 121
A:
Q: In a three phase Y connected generator, the phase voltages are 2 kV. The magnitudes of the line…
A:
Q: Using KVL, determine the unknown branch voltages in the circuit below. 20 V + V3 www + mu + 5 1 V1 5…
A: Kirchoff's voltage law states that the algebraic sum of voltage in side the closed loop is equal to…
Q: 3560 = a) 5×30° (6-j8t ² 1 = 50.845 < -15-560 J.P.T b) (10560°) (355-50°) ( ۶ ) - ( ماز + 2 )…
A: Given: Complex numbers, (a).5∠30°6-j8+3∠60°2+j
Q: Two metal spheres, each of radius 3.9 cm, have a center-to-center separation of 2.2 m. Sphere 1 has…
A:
Q: LA MAR 5) M 5) COM³) D I, 34-13 Find In, In, and Iz 12√
A: The given circuit is:
Q: Consider the circuit given below. V₁ 192 + 9 V 592 992 5 A If /= 11 A, determine the nodal voltage…
A:
Q: What is the rated current of the autotransformer at the low voltage side ( ILrated )? Note that the…
A:
Q: A 500 V shunt motor takes a no-load current of 10 A at 500 V. It takes 100 A at 500 V on full-load.…
A:
Q: The power dissipated in the controlled source of the network shown below is 15Ω ww 36 V A 36 W B 15…
A: Given- A circuit as shown is given- Resistances 15 ohms & 7 ohms, To Find- The power dissipated…
Q: 1. Determine Laplace transform of (2-2e)u(t)
A: “Since you have asked multiple questions, we will solve the first question for you. If youwant any…
Q: 15 HP 220 V shunt motor has an armature resistance of 0.07 ohm and shunt a shunt resistance of 200…
A:
Q: The secondary winding of a transformer has a terminal voltage of vsec (t) = 234 sin (377t) V. The…
A: Given: Vsec(t) = 234sin(377t) VTurn Ratio α = N1N2 =72201 = 0.358isec(t) = 12sin(377t+25∘)Rsc =…
Q: 6.8 The volume charge density in nC/m³ in all space is given by P(x, y, z) = sin 5x sin 8y sin 2z…
A: The charge density is the quantity of charges present at a specific place. Linear charge density is…
Q: The op amp in the circuit in (Figure 1) is ideal. Take R = 56 ΚΩ. Figure + 6ΚΩ Μ 120 mV 20 ΚΩ < -9V…
A:
Q: 2 V 4₁. 1ΚΩ VOUT Find the following: a. Vout b. Small signal model of the diode under these…
A:
Q: 13. Find circuit current in this schematic. R-30 ΚΩ Εγω τον Ο XL = 40 ΚΩ
A:
Q: Your turn: Determine V3 employing voltage division 6 Volt 10 + V3 402
A: Given data, Circuit diagram is given as,
Q: 4) Forward bias and reverse bias are two important characteristics of the diode, how does the diode…
A: When the external voltage is applied across the P-N junction diode, this is known as forward bias or…
Q: R4-30 and R5= 602. If resistor R₁ and Ráis shorted in the circuit, what will be the total current…
A: Given data, The given circuit is a dc circuit with the following parameters VS=240 VR1= 20 ΩR2= 30…
Q: Wire A has a resistance of 30092 and wire B has a resistance of 90002 at 0°C. If the wires are…
A: Given: At 0oC Wire A resistance is 300Ω Wire B resistance is 900Ω α = 0.001 Need to calculate the…
Q: 7Α 6Ω 12V + 12Ω M -V+ 8Ω +1 16Ω 15V
A:
Q: Question No.35 A hybrid stepping motor has eight poles which have been castellated to have six teeth…
A:
Q: Find the energy of r(t) = 2te¯½ p (¹+¹), where p(t) is the pulse p(t) O -5 -4 -3 -2 -1 0 t Find the…
A:
Q: Z1=3.8 - j1 ohms and Z2=1+j5 ohms are in series across a 72 Vrms source. Determine the apparent…
A: Given, Voltage, VRMS=72∠0° V impedance, Z1=3.8-j1 Ω impedance, Z2=1+j5 Ω
Q: The RMS value of the avrent shown in figi is
A: Given data, VS =10 VVL =6 VR= 2 Ω Here only the RMS value of the parameter are considered. The given…
Q: In Figure I, R is a linear resistor, and the voltage source v = 2*Vo*cosot, a sinusoidal voltage…
A: Circuit is given as:
Q: For a control system under test with constant velocity, the appropriate test input for steady-state…
A:
Q: 10 n 220 V 10 n www 10 ww 400 200 100 ( A circuit contains a 220-V power source and several…
A: Given data: The given circuit diagram is shown below,
Q: 4.8 Figure P4.8 shows the asymptotic Bode plot for a bandpass filter. Design a circuit that realizes…
A:
Q: For circuit series and parallel, the supply voltage of, Vsupply= 240 Volts, R₁= 20N, R₂=30N, R3=8N,…
A:
Q: or the circuit given below, has values as follows; V supply = 120V; R₁ = 3.5K; R₂ =5002; R3: 7KQ; R4…
A:
Q: Solve the following for each circuit. (a) i(0¹), v(0¹), (b) di(0*)/dt, dv(0*)/dt, (c) i(*), v(∞)…
A: As per Bartleby guideline we need to answer the first question only. Kindly repost the rest…
Q: A.1) Investigate the purpose of the oscilloscope trigger. A.2) Investigate the characteristic of…
A: According to the question, we need to discuss (1) The purpose of the oscilloscope trigger. (2)…
Q: Is there any other number that can achieve the same lighting pattern for T₁, T₂, T₃, T₄? What are…
A: According to the question, for the given LED pattern as shown below, We need to find the other…
Q: A 25 kVA, 1,910/240 V, single-phase, 50 cps transformer is employed to set down the voltage and the…
A: It is given that: kva=250V1=1910 VV2=240 Vf=50
Q: ideal potential transformer (PT) is to be used to measure a 69 KV line with a voltmeter having a…
A: We need to find out turn ratio for given transformer
Q: 7v + 45 tuss + 3V $352 V Find V and I I 252 652
A: We need to find out the current and voltage for given circuit, we will find out the voltage by using…
Q: Problem 2 Suppose that we have two capacitors, C₁ = 100 μF and C2 = 50 μF. Capacitor C₁ is charged…
A: Given: Capacitor: C1=100μFC2=50μF
The preferred method for applying the field excitation voltage uses a field relay which operates on the principle of
A. speed application.
B. time application.
C. angle application.
D. thermal application.
Step by step
Solved in 2 steps
- Construct a Coil Winding (Armature winding) detailed, with these following descriptions.... 4 poles, 26 conductors, double layer, simplex WAVE windingA thicker wire is used in the DC series field winding than DC shunt field winding in DC machines. * O because it carries the load current. O to prevent mechanical vibrations. O to provide strength. O to produce large flux. The speed of a DC motor can be changed by varying - armature resistance circuit O flux per pole O voltage source O all of aboveState the Method of connection of different field coils. ( In DC Machines )
- 3. Reversal of current in an armature coil as it crosses M.N.A. occur in ……. Process.4. ….… are most suited for stable parallel operation , because of their voltage characteristics are dropping.Get the electromechanical analog model (torque-voltage or torque-current) of the system. With all the steps of the analysisQ2: Correct the wrong statement if any: 1-The series filed of a series dc generator is excited by armature current. 2- The developed power in DC generator armature is function to load current. 3-The commercial efficiency of DC generators is relationship between output mechanical power and developed power in armature winding. 4- If the source frequency subjected to primary windings increased, the iron losses also decreased. 5-In transformers short circuit test primary voltage will be greater than secondary voltage.
- 1) P.f of inductive load is corrected by connecting . . across it. .... ...... 2) Open circuit test measures . losses. 3) The output variables of a motor are and ........ ... .... 4) For a motor output power is given by ...... 5) Flux control, voltage control, and armature control are three methods for ....... of dc motor. 6) A transformer takes 100V at primary and gives 50V at secondary, its turn ratio equals 7) The given set of equations represents . . Ea – laRa = Vr , la = IL , %3D Rf 8) The given set of equations represents. la = !, + IL, VT Rf Ea – laRa = Vr , 9) The given set of equations represents . Ea – laRa – IseRse = Vr, la = Ise = l, %3D | 10). .. has more initial torque than shunt dc motor.The excitation circuit of a free-excited DC motor is a single-phase full- wave uncontrolled rectifier and The armature circuit is fed with a single-phase full-wave controlled rectifier. both rectifiers for AC voltage voltage 220 V(rms) ,is 50 Hz. Excitation O resistance of motor Rf = 100, armature force resistance Ra = 2 0 and motor voltage constant Kv = 0.25 V/(A - r/s). The motor is a fixed 10Nm buy under load a) Draw the driver (converter-motor) power circuit. To rotate with 1200 d/d of the motor, b) Calculate the thyristor assembly. c) When the engine is heavily loaded, with a suitable probability value for supply voltage, armature voltage, armature flow wavelengths draw below. d) Calculate the motor power (total input power). (Note: Va = IaRa + ea, Vf = IfRf, ea = Kv Ifw and Te = Kv Ifla)5. In relation to a compound d.c machine, choose the right statement from the following. (A) The resistance of the shunt field coil will be many times higher than the series field coil. (B) The resistance of the shunt field coil and the series field coil are of the same order. (C) The resistance of the series field coil will be many times higher than the shunt field coil. (D) Either of (A), (B) and (C) is true statement.
- A 230 V dc machine has an emf constantand . The field is separatelyexcited and produces 0.01 Wb per pole. for all parts ofthe problem. (a) At what speed does the machine operate as adc generator with rated terminal voltage? (b) At what speeddoes the machine operate as a dc motor with rated terminalvoltage? (c) If an external resistance is added in serieswith the armature circuit, at what speed does the machineoperate as a dc motor with rated terminal voltage? (d) If themotor of part (b) is known to be supplying 10 HP to a coupledmechanical load, determine the rotational losses at the point ofoperation ***Any two branches please do not be lateWith a labelled diagram of any DC machine Discuss it partsThe armature circuit of a free excited direct current motor with a nominal voltage of 600 V is fed from an adjusted direct voltage source. The excitation circuit is also powered from a regulated voltage source. It is used in an application that requires motor speed adjustment. The speed of the motor at the nominal armature voltage was measured as 1600 rpm. All losses of the motor and voltage source and the effect of armature reaction are neglected. It is accepted that the engine is not saturated.Answer the questions below.a) Draw the armature and excitation circuit of the motor and write the formulas for the equivalent circuit.b) If the load moment of the motor at the nominal armature voltage is 420 Nm, then calculate the armature current and the input power of the motor.c) If the armature voltage of the motor is kept constant at 600 V and the excitation current is decreased until the speed reaches 4000 rpm, then calculate the shaft moment. Show this working area on the M = f (W) axis.