Please help me to answer this question. TQ A coil having a resistance of 20Ω in...
Please help me to answer this question. TQ
A coil having a resistance of 20Ω in series with an inductance of 0.0382H, is connected in parallel with a circuit consisting of a 150μF capacitor in series with a 10 Ω resistor. The arrangement is connected to a 240V, 50 Hz supply. Determine:
- The current in each branch.
- The total supply current.
- Draw the phasor diagram
- Calculate the apparent power, real power and reactive power of the circuit.
- Calculate the power factor of the circuit.
- Determine the value of capacitance that must be connected to change the power factor to unity.
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Please help me to answer this question. TQ
A coil having a resistance of 20Ω in...
a) A coil having resistance of 12 2 and an unknown inductance is connected in series...
a) A coil having resistance of 12 2 and an unknown inductance is connected in series with a 14uF capacitor. The circuit draws maximum current when a voltage of 200 V at 60 Hz is applied. A second capacitor is then connected in parallel to the circuit. i) What should be its value (capacitance), such that the combination acts like a non- inductive resistance, with the same voltage (200V) at 120 Hz? [3.0 marks] ii) Calculate the supply current drawn...
RLC resonance 5.2 A A coil with a resistance of 5, and an inductance of 0.03...
RLC resonance 5.2 A A coil with a resistance of 5, and an inductance of 0.03 H is connected in series coil with a with a resistor R = 100 and a capacitor of 200 uF. The supply is giving 220 V at 50 Hz. 5.2.1 Draw the network. (2) 5.2.2 Determine the current drawn in the circuit and the voltage drop across the coil. (Hint find: Zcoil. Ztotal. I, Vcoil) 5.2.3 Draw the phasor diagram of the current in...
An ac circuit with a 60 μF capacitor in series with a coil of resistance 18Ω...
An ac circuit with a 60 μF capacitor in series with a coil of resistance 18Ω and inductance 180mH is connected to a 100V, 100 Hz supply is shown below. Calculate inductive reactance capacitive reactance circuit impedance and phase angle θ circuit current I phasor voltages VR, VL, VC and VS resonance circuit frequency construct a fully labeled voltage phasor diagram
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
ogf induced in a coil is 0.72 V when the current in the coil changes to...
ogf induced in a coil is 0.72 V when the current in the coil changes to 1.6 A in 0.25 s. What is the self-inductance L of the coil? An alternating voltage with a peak voltage of 12 V and a frequency 60 Hz is connected in series to a resistor with resistance R : 10 ?, a capacitor with capacitance C-1000 ?F, and an inductor with inductance L 500 mH. Determine the root-mean-square current in the circuit. (a)
Q3. from a 240 V, 50 Hz supply as shown in the Figure 3. 24020 Vrms...
Q3. from a 240 V, 50 Hz supply as shown in the Figure 3. 24020 Vrms Inductive load with 0.6 lagging Load current 50 A Ohle Capacitor to be connected for power factor improvement Figure 3: a) Assuming that the capacitor shown in the figure is disconnected, calculate the load real (PL), reactive(Q1), and apparent power(SL) (5 marks) b) Draw the load power triangle and indicate real (P.) reactive (Q.), apparent (SL) power, and power factor angle (@.) (5 marks)...
As far as I understand, at resonance the capacitative and inductive reactances need to be equal. ...
As far as I understand, at resonance the capacitative
and inductive reactances need to be equal. please explain how to
use the q factor in this question to get inductance value.
QUESTION 01 Figure 1 depicts a choking coil connected in parallel with a capacitor 내2 Figure 1 1.1 Determine the value of the inductance required in the coil for resonance to 1.2 Calculate the total impedance of the circuit occur at 5 kHz with a Q-factor of 62.83. 1.3...
please take note the question is extend a) A single phase 240V 50Hz supply is supplying...
please take note the question is extend
a) A single phase 240V 50Hz supply is supplying a power to a load which consist of 500 resistance and 0.3H inductance through a cable which has an effective impedance of 1+j2 0. The equivalent circuit of the single-phase system is shown in Figure Q1(a). Zcable=1+j2 I Load 5092 240V 50Hz Supply V Load 0.3H Figure Q1(a): A single phase system. i. ii. Determine the load current, low and the load voltage Vood...
5. A resistance 250, inductance 200mH, and capacitance 1 uF capacitor are all connected in series,...
5. A resistance 250, inductance 200mH, and capacitance 1 uF capacitor are all connected in series, and across the combination is connected to a 500V, 60 Hz supply. Calculate (a) the current flowing, (b) the phase difference between the supply voltage and current, (c) the voltage across the coil and the capacitor. 6. An 300-uF capacitor is connected in series with 3.25-MQ resistance across a 300-V supply. The switch is closed. Calculate a) Time constant of the circuit b) Initial...
Two circuit Aand B are connected to a 115V, 50Hz supply. The total current taken by...
Two circuit Aand B are connected to a 115V, 50Hz supply. The total current taken by combination is 10 Amps at unity power factor. Circuit A consists of a 10 ohms resistor and a 200 uf capacitor connected in series, circuit B consists of a resistor and an inductive in series. Determine the current, the impedance, resistance and reactance
a) A coil having resistance of 12 2 and an unknown inductance is connected in series with a 14uF capacitor. The circuit draws maximum current when a voltage of 200 V at 60 Hz is applied. A second capacitor is then connected in parallel to the circuit. i) What should be its value (capacitance), such that the combination acts like a non- inductive resistance, with the same voltage (200V) at 120 Hz? [3.0 marks] ii) Calculate the supply current drawn...
RLC resonance 5.2 A A coil with a resistance of 5, and an inductance of 0.03 H is connected in series coil with a with a resistor R = 100 and a capacitor of 200 uF. The supply is giving 220 V at 50 Hz. 5.2.1 Draw the network. (2) 5.2.2 Determine the current drawn in the circuit and the voltage drop across the coil. (Hint find: Zcoil. Ztotal. I, Vcoil) 5.2.3 Draw the phasor diagram of the current in...
Circuit Analysis in Electrical Engineering 4. A resistor and a capacitor are connected in series across a 270-V ac supply. When the frequency is 40 Hz, the current flowing in the circuit is 6.25 A. When the frequency is 50 Hz, the current flowing in the circuit is 7.5 A Calculate the resistance and capacitance of the resistor and capacitor respectively. (99.97 μF; 16.798 Ω) If the resistor and capacitor are now connected in parallel across the 60-Hz supply, calculate...
ogf induced in a coil is 0.72 V when the current in the coil changes to 1.6 A in 0.25 s. What is the self-inductance L of the coil? An alternating voltage with a peak voltage of 12 V and a frequency 60 Hz is connected in series to a resistor with resistance R : 10 ?, a capacitor with capacitance C-1000 ?F, and an inductor with inductance L 500 mH. Determine the root-mean-square current in the circuit. (a)
Q3. from a 240 V, 50 Hz supply as shown in the Figure 3. 24020 Vrms Inductive load with 0.6 lagging Load current 50 A Ohle Capacitor to be connected for power factor improvement Figure 3: a) Assuming that the capacitor shown in the figure is disconnected, calculate the load real (PL), reactive(Q1), and apparent power(SL) (5 marks) b) Draw the load power triangle and indicate real (P.) reactive (Q.), apparent (SL) power, and power factor angle (@.) (5 marks)...
As far as I understand, at resonance the capacitative
and inductive reactances need to be equal. please explain how to
use the q factor in this question to get inductance value.
QUESTION 01 Figure 1 depicts a choking coil connected in parallel with a capacitor 내2 Figure 1 1.1 Determine the value of the inductance required in the coil for resonance to 1.2 Calculate the total impedance of the circuit occur at 5 kHz with a Q-factor of 62.83. 1.3...
please take note the question is extend
a) A single phase 240V 50Hz supply is supplying a power to a load which consist of 500 resistance and 0.3H inductance through a cable which has an effective impedance of 1+j2 0. The equivalent circuit of the single-phase system is shown in Figure Q1(a). Zcable=1+j2 I Load 5092 240V 50Hz Supply V Load 0.3H Figure Q1(a): A single phase system. i. ii. Determine the load current, low and the load voltage Vood...
5. A resistance 250, inductance 200mH, and capacitance 1 uF capacitor are all connected in series, and across the combination is connected to a 500V, 60 Hz supply. Calculate (a) the current flowing, (b) the phase difference between the supply voltage and current, (c) the voltage across the coil and the capacitor. 6. An 300-uF capacitor is connected in series with 3.25-MQ resistance across a 300-V supply. The switch is closed. Calculate a) Time constant of the circuit b) Initial...
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