Q3/ Draw the out voltage and current waveforms of a single-phase cycloconverter connected to a purely...

Q3/ Draw the out voltage and current waveforms of a single-phase cycloconverter connected to a purely resistive load. The following information could be useful: Load Supply Voltage, Supply Frequency Output Frequency Firing Angle At 202 230Vrms, 50 Hz 12.5 1300 sec Your drawing should contain all the detaiks including Amplitudes, Time, Degrees and Axis Names,

Expert Solution

Manojponduru answered 5 months ago

Give the Vs and Vo waveforms of a three phase bridge controlled rectifier. Draw different waveforms...

Give the Vs and Vo waveforms of a three phase bridge controlled rectifier. Draw different waveforms for angles 30,60,90,120 degrees for each a resistive load and then a RL load. Clearly label period in degrees on X axis.

1. In single-phase circuits test, consider the instantaneous power waveforms. How is the value of the...

1. In single-phase circuits test, consider the instantaneous power waveforms. How is the value of the real power obtained in the software? What is the significance of the instantaneous power going negative (consider direction of power flow and reactive power)? 2. For each of the resistive, inductive and capacitive loads (loads 1-3), comment on whether the current waveform is smoother, noisier or the same shape as the voltage waveform. Explain the results using the following, for a resistor i = v/R,...

Derive the expressions of the average load voltage and current in single-phase full-wave controlled rectifier (bridge...

Derive the expressions of the average load voltage and current in single-phase full-wave controlled rectifier (bridge rectifier) and resistive load. Draw the waveforms of supply voltage, output voltage, output current and thyristor current. In a single-phase full-wave controlled rectifier (bridge rectifier) and resistive load, it is desired to get an average load voltage of 50 V. Determine the firing angle if the ac supply voltage is 150 V. If the average load power is 300W, calculate the average load...

what is the phase difference in phase angle between induced voltage and current in a PMSM...

what is the phase difference in phase angle between induced voltage and current in a PMSM controlled to keep maximum torque per amp?

Two balanced three phase loads are connected to a busbar with 10kV line voltage at 50Hz....

Two balanced three phase loads are connected to a busbar with 10kV line voltage at 50Hz. Load A is 168kVA at cosφ = 0,85 (lagging). Load B is connected in Y and draws a complex phase current ?? = 4,79∠ − 24,5°. Calculate the total active, reactive and apparent power at the busbar. Calculate the combined cosφ at the busbar. A third balanced load is connected to the busbar.The total power at the busbar is now 288kW, cosφ = 0,87...

The current in an inductor Select one: a. is in phase with the voltage b. lags...

The current in an inductor Select one: a. is in phase with the voltage b. lags behind the voltage by 90 degrees c. leads the voltage by 90 degrees The current in an resistor Select one: a. leads the voltage by 90 degrees b. lags behind the voltage by 90 degrees c. is in phase with the voltage What is an AC circuit? Select one: a. A circuit in which the applied voltage is constant as a function of time...

The terminal voltage across a single phase of a stepper motor used as a generator is...

The terminal voltage across a single phase of a stepper motor used as a generator is applied across a load resistor of 33 ohms. This terminal voltage has an amplitude of 18.7V and a frequency of 242 Hz. From a previous measurement, we know that this stepper motor phase has an internal resistance of 11.2 ohms. What is the time-averaged power delivered to the load? What is the electrical efficiency of this circuit? Write down an expression for the instantaneous...

QUIESTION 1 A three-phase synchronous generator is connected to an infinite bus. The infinite bus voltage...

QUIESTION 1 A three-phase synchronous generator is connected to an infinite bus. The infinite bus voltage and the generated voltage are o 1.0 pu ∠0 and o 1.0pu ∠42.84 , respectively. The synchronous reactance is 0.85 pu and resistances are neglected. a) Compute power angle (δ), armature current (Is), power factor (pf), real power (P), and reactive power (Q). Draw the phasor diagram. b) If the prime mover torque is kept constant at a value corresponding to P=0.8 pu, compute...

1)Why is there phase difference between voltage and current in an a.c. circuit ?. Explain the...

1)Why is there phase difference between voltage and current in an a.c. circuit ?. Explain the concept of power factor. 2). Discuss the disadvantages of a low power factor. 3. Explain the causes of low power factor of the supply system. 4. Discuss the various methods for power factor improvement 5)Write short notes on the following : (i) Power factor improvement by synchronous condenser (ii) Importance of p.f. improvement (iii) Economics of p.f. improvement

Q3. In case of generator stator single phase earth fault, how to protect 100% range of...

Q3. In case of generator stator single phase earth fault, how to protect 100% range of the stator winding? Explain the principles of related protections in detail.

Question