1. A full-bridge three-phase SCR rectifier supplies an L-R load from a 208 V line-to-line 60...
D Question 2 10 pts A three phase full-bridge rectifier draws 12-kW from a power supply that has 150-V phase-to-phase voltage. The power factor is 0.77. What is the maximum (peak) value of the current delivered by the supply? 10 pts DI Question 3 A full bridge, square wave inverter supplies an RL load with R-7-Ohm and L-58-mH. The DC voltage is 90-V and the output waveform frequency is 60-Hz. What is the magnitude of the third harmonic of the...
A single-phase full bridge thyristor rectifier is supplied from a 200vrm 50HZ AC source, and supplies a series R-L load comprising a 202 resistance and a 36.8mH inductance 2.a. Sketch the circuit diagram for this rectifier Q2. [4 marks] [Refer to lecture notes] 2.b. Determine the maximum possible average DC voltage that can be achieved across the load resistor [4 marks] [VDC (avg) = 180V] 2.c. Determine the SCR firing angle at which the rectified output curent will just be...
4.) Worth 30 Points A controlled single-phase full-wave bridge rectifier has a R load (R = 20 92) and a 120 Vrms, 60 Hz AC Source. The delay angle is 45 degrees. Hint: Use the following equation for this problem. 1. " a sina MR V2 21 44 A. Determine the average current in the load. B. Determine the RMS current in the load. C. Determine the RMS source current. D. Determine the power factor. E. Validate your answers using...
Questions 1 to 3 relate to a three-phase SCR rectifier supplied from a 415 Vrms, 50 Hz ac source. For a 100 Ω resistive load, determine the peak, minimum and average load current for SCR firing angles of: (a) a-0° (5.87 A, 5.08 A, 5.6 A) (b) α = 45° (5.67 A, 1.52 A, 3.96 A) (c) α-70° (4.5 A, 0 A, 2.0 A) How will your answers change if a very large inductance (zero resistance) is added in series...
!!!URGENT!!! 1. The full-wave controlled bridge rectifier shown has an ac input of 220 V rms at 50 Hz and a 92 load resistor. The delay angle is 45º. Determine the average current in the load, the power absorbed by the load and the source voltamperes. sino
Question 2: In a 208-V (line-to-line, rms), 60-Hz, 5-kW motor, tests are carried out with the following results: Rphase phase-1.1 Ω. No-Load Test: applied voltages of 208 V (line-line, rms), 1a 6.5 A, and Pno load.3 phase 175 W. Blocked-Rotor Test: applied voltages of 53 V (line-line, ms), la18.2 A, and Pblocked,3 phase - 900 W. Estimate the per-phase equivalent circuit parameters. Question 2: In a 208-V (line-to-line, rms), 60-Hz, 5-kW motor, tests are carried out with the following results:...
b. Consider the single-phase fully controlled of thyristor bridge rectifier supplies a load consists of R-L load and Vee in series as shown in Figure Q2 (b). The parameters for this circuit are as follows: supply voltage is 120 Vrms at 60 Hz, DC voltage, Voe equal to 10 v. i. Sketch the waveforms for output voltage, thyristor current, diode current and output current (CO2: PO2 - 5 marks) Calculate the output voltage, Va at a = Tt/2. (CO2: PO2...
The three-phase bridge rectifier is designed to produce 650kV of the output voltage from 450 kv/s5o kv, 50 Hz of the transmission transformer. Then c) determine; The firing angle α required for the rectifier's valve if no commutation ./i/ angle is involved. The new necessary line secondary voltage of the transformer, if a- and u 60 are being applied. If the new transformer reactance is 2.8 H, determine the load DC current of this rectifier (consider the firing angle same...
clear handwrite and step by step solution please thank you in advance Q2. For the single-phase voltage controller of Fig. 2, the source is 120 Vrms at 60 Hz, andthe load is a series Rしcombination with R-20 Ω and L-50 mH. The delay angle α is 90°. Determine (a) an expression for load current for the first half-period, b) the rms loadcurrent, (c) the rms SCR current, (d) the average SCR current, (e) the power delivered tothe load, and (f)...
A controlled full bridge recetifier Ti Ty Ts T: Figure P5 A controlled full-wave bridge converter has a source of 120 Vrms at 60 Hz, R-25 Ω, L- 10 mH. Assuming that the load constant voltage source E = OV and the gate pulse firing angle is α-45°, determine whether the converter operates in the continuous (CCM) or discontinuous (DCM) conduction mode; Ti Ty Ts T: Figure P5 A controlled full-wave bridge converter has a source of 120 Vrms at...