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For the circuit of Fig. 1, where the armature circuit of a machine is connected to...
4. Fig. 2 below shows a series R-L circuit: VA Fig. 1 (a) Suppose the phasor...
4. Fig. 2 below shows a series R-L circuit: VA Fig. 1 (a) Suppose the phasor Kas -12020-v at f= 60 Hz. A = 100 Ω, and L= 0.5 H. Find in the following order: (b) Now, write the expressions for current resistor voltage Kalf), and inductor voltage ws in the form (V or Alsiniot) where the represent voltage, current, or angle in degrees. Remember to multiply ms magnitudes by 1.414 to obtain peak values.
Fig. 5 shows a converter circuit with the following parameters: V = 110 V, L =...
Fig. 5 shows a converter circuit with the following parameters: V = 110 V, L = 0.2 mH, R-0.25 12, Vc=40 V, T= 2500 us, ton = 1250 us. Part a) (4 points): Calculate the average output current <io> and the average output voltage <vo. Part b (4 points): Calculate the minimum and maximum values, lo min and lomax, of the instantaneous output current. Parte) (14 points): Sketch to scale the time variations of volt), io(t), igi(t), ig2(t), iDi(t), ip(t),...
Power in an AC Circuit 1 2 3 4 5 6 A circuit is constructed with...
Power in an AC Circuit
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A circuit is constructed with an AC generator, a resistor,
capacitor and inductor as shown. The generator voltage varies in
time as ε =Va - Vb = εmsinωt,
where εm = 120 V and ω = 314 radians/second. The
inductance L = 283 mH. The values for the capacitance C and the
resistance R are unkown. What is known is that the current in the
circuit leads the voltage...
= For the circuit of Fig. 8.27, let io(t < 0) = -1 mA, 1,(t >...
= For the circuit of Fig. 8.27, let io(t < 0) = -1 mA, 1,(t > 0) = 2 mA, R 2.000 Q, R = 3,000 12, and L = 20 mH. a. Find va for t > 0. b. What is the approximate duration of the transient? 6. Sketch va(t). FIGURE 8.27
Following figure shows the circuit diagram for a buck-boost converter for switch off and switch o...
Following figure shows the circuit diagram for a buck-boost converter for switch off and switch on. The plots for inductor voltage Vl and inductor current iL are also shown. The average value of i, is denoted by I1, average output current is -l and average input current is ld. Similarly, the average value of u1 is denoted by V1, output voltage is-, and input DC voltage is Va. Time period of the switch is Ts 1/f and its duty cycle...
A series R-L-C circuit is connected to a 110 Hz ac source that has Vrms =...
A series R-L-C circuit is connected to a 110 Hz ac source that has Vrms = 80.0 V . The circuit has a resistance of 65.0 Ω and an impedance of 104 Ω at this frequency. What average power is delivered to the circuit by the source?
1) The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm...
1) The armature of an ac generator is a rectangular coil 2.00 cm by 6.00 cm with 80 turns. It is immersed in a uniform magnetic field of magnitude 0.250 T. If the amplitude of the emf in the coil is 22.0 V, at what angular speed is the armature rotating? _______rad/s 2) The magnetic field between the poles of an electromagnet is 3.30 T. A coil of wire is placed in this region so that the field is parallel...
Answer a, b, c, d A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation...
Answer a, b, c, d
A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation which describes this circuit when subject to a step function is given below di 0.3.21-9 dt a) What is the time constant r of this system? b) Assume zero initial condition (0 when r0), find the solution i() of the...
Problem 2 A separately excited DC motor is characterized by the followng intormation Armature res...
Problem 2 A separately excited DC motor is characterized by the followng intormation Armature resistance Ra-5 2 armature inductance La . very large, Field resistance RS200 Ω, ted voltage Vt 200 V, and an inertia constant J-12 kg m Neglecting friction losses and assuming no-saturation in the machine magnetic core system, answer the folowing questions: Part 1: (6 marks) he motor a as shown in figure 2a. The motor drives a constant power load of vaue 1 40375 hp (ie...
Homework: AC Circuits Deadline: 100% until Friday, April 12 at 11:59 PM AC Circuit 2 V3456 A circ...
Homework: AC Circuits Deadline: 100% until Friday, April 12 at 11:59 PM AC Circuit 2 V3456 A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as Va -Vb Emsinut, where εm-120 V and ω-463 radians/second. The values for the remaining circuit components are: R-95 Ω, C-477 μF. The value for L is unkown. What is known is that the voltage across the generator leads the current in the...
4. Fig. 2 below shows a series R-L circuit: VA Fig. 1 (a) Suppose the phasor Kas -12020-v at f= 60 Hz. A = 100 Ω, and L= 0.5 H. Find in the following order: (b) Now, write the expressions for current resistor voltage Kalf), and inductor voltage ws in the form (V or Alsiniot) where the represent voltage, current, or angle in degrees. Remember to multiply ms magnitudes by 1.414 to obtain peak values.
Fig. 5 shows a converter circuit with the following parameters: V = 110 V, L = 0.2 mH, R-0.25 12, Vc=40 V, T= 2500 us, ton = 1250 us. Part a) (4 points): Calculate the average output current <io> and the average output voltage <vo. Part b (4 points): Calculate the minimum and maximum values, lo min and lomax, of the instantaneous output current. Parte) (14 points): Sketch to scale the time variations of volt), io(t), igi(t), ig2(t), iDi(t), ip(t),...
Power in an AC Circuit
1
2
3
4
5
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A circuit is constructed with an AC generator, a resistor,
capacitor and inductor as shown. The generator voltage varies in
time as ε =Va - Vb = εmsinωt,
where εm = 120 V and ω = 314 radians/second. The
inductance L = 283 mH. The values for the capacitance C and the
resistance R are unkown. What is known is that the current in the
circuit leads the voltage...
= For the circuit of Fig. 8.27, let io(t < 0) = -1 mA, 1,(t > 0) = 2 mA, R 2.000 Q, R = 3,000 12, and L = 20 mH. a. Find va for t > 0. b. What is the approximate duration of the transient? 6. Sketch va(t). FIGURE 8.27
Following figure shows the circuit diagram for a buck-boost converter for switch off and switch on. The plots for inductor voltage Vl and inductor current iL are also shown. The average value of i, is denoted by I1, average output current is -l and average input current is ld. Similarly, the average value of u1 is denoted by V1, output voltage is-, and input DC voltage is Va. Time period of the switch is Ts 1/f and its duty cycle...
Answer a, b, c, d
A circuit consists of a resistor R connected in series with a capacitor C, as shown in Fig.1 EL Eo Fig 1. The capacitor C is connected in series with the resistor R The equation which describes this circuit when subject to a step function is given below di 0.3.21-9 dt a) What is the time constant r of this system? b) Assume zero initial condition (0 when r0), find the solution i() of the...
Problem 2 A separately excited DC motor is characterized by the followng intormation Armature resistance Ra-5 2 armature inductance La . very large, Field resistance RS200 Ω, ted voltage Vt 200 V, and an inertia constant J-12 kg m Neglecting friction losses and assuming no-saturation in the machine magnetic core system, answer the folowing questions: Part 1: (6 marks) he motor a as shown in figure 2a. The motor drives a constant power load of vaue 1 40375 hp (ie...
Homework: AC Circuits Deadline: 100% until Friday, April 12 at 11:59 PM AC Circuit 2 V3456 A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as Va -Vb Emsinut, where εm-120 V and ω-463 radians/second. The values for the remaining circuit components are: R-95 Ω, C-477 μF. The value for L is unkown. What is known is that the voltage across the generator leads the current in the...
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