Residential AC voltage for many European countries is 230 VRMS at 50 Hz. Calculate the following quantities for the AC signal: peak voltage, VP (in V); peak-to-peak voltage, VPP (in V); and period, T (in ms).

The 3-phase half-wave diode rectifier feeds a load consisting of a 50-ohm resistor. The sinusoidal sources in the input of the rectifier are wye-connected and phase-to-phase rms voltage is 380 volts. Calculate the power (in watts) absorbed by the load. Assume the diode is ideal. a. 680.36 b. 2267.90 C. 4082.20 d. 1700.90 e. 1360.70

Exercise 1: Resistances connected in Series-Parallel across a Sinusoidal AC Supply Calculate the following: a) Current flowing through the circuit. (Irms) b) Voltage across resistors R1, R2, R6. (Vrms) c) Current flowing through the resistors R2, R3, R4. (Irms) d) Calculate the peak to peak-peak voltage (Vpk-pk) and peak-peak current (I pk-pk) e) Calculate the time period of the waveform Consider V=4V RMS and F=2 kHz

4) A single-phase full-wave AC voltage controller consists of two SCRs connected in invers-parallel. The supply voltage is 220V at 50Hz. The controller is used to control heater element of 2500W in an electric oven. The trigger angle is 30o. i) Draw the circuit diagram ii) sketch compatible waveforms for the supply, load and SCR voltages. iii) calculate the rms value of the load voltage and current. iv) Determine the input power factor of the circuit. v) Calculate the average value of the SCR current.