Q2) Design a CT-FWR to supply a load of (502) with a waveform of the following specifications: - • Vdc = 12 V • Ripple factor = 0.1 % • the main power supply is (220 Vrms, 50 Hz). Determine the following values: - 1- The value of capacitor filter. 2- The maximum load voltage (VmR) 3- The transformer turns ratio (a). 4- The RMS value of the load voltage. 5- Draw the output waveform. (assume ideal diodes)
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- Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and current relationships change? (a) If C1 is the complex positive-sequence voltage gain in Problem 3.29 and (b) if C2 is the negative sequence complex voltage gain, express the relationship between C1andC2A single-phase two-winding transformer rated 90MVA,80/120kV is to be connected as an autotransformer rated 80/200kV. Assume that the transformer is ideal. (a) Draw a schematic diagram of the ideal transformer connected as an autotransformer. showing the voltages, currents, and dot notation for polarity. (b) Determine the permissible kVA rating of the autotransformer if the winding currents and voltages are not to exceed the rated values as a two-winding transformer. How much of the kA rating is transferred by magnetic induction?Consider a source of voltage v(t)=102sin(2t)V, with an internal resistance of 1800. A transformer that can be considered as ideal is used to couple a 50 resistive load to the source. (a) Determine the transformer primary-to-secondary turns ratio required to ensure maxi mum power transfer by matching the load and source resistances. (b) Find the average power delivered to the load, assenting maximum power transfer.
- Construct the circuit in Figure 1 in the Circuit JS simulator. Note that the voltage source is given in RMS. Within Circuit JS while defining the max voltage of the voltage source include “rms” after the number to tell Circuit JS that this is a rms value. Also note that there are additional parameters when instantiating a transformer in Circuit JS. Leave these at the default values. Additionally, transformers may have problems simulating in Circuit JS. Answer the following: 1. From the simulation results, determine the power dissipated in R2 and compare to the expected value from the previous section.2. Change the transformer ratio (“Ratio” as a fraction when you “Edit…” the transformer component) to the value calculated in the previous section to provide maximum power transfer in R2. Note: In Circuit JS, Transformer Ratio = Primary/Secondary.3. Rerun the simulation, calculate the power dissipated in R2 and compare to the expected value from the previous section.4. Change the…Three Phase Semi Converter When Highly Inductive Load Connected: Please derive the following equations for continuous conduction, Thanks :-)What is the ripple factor and what causes it? Discuss and explain how this factor can be used as a metric to improve the quality of the designed AC to DC converting system
- For a switching regulator with a square wave output, the DC levels is given by the formula . Where Vdc is the output, Vmax is 12V, Vdrop is the saturation drop (on) of our switching device which is 0.7V, T is the period and Ton is the time Vmax is on for a period. Find the duty cycle in % needed for Vdc 10V and 5V. Find the efficiency for 10V and 5V output operation using Powerout/(powerout+powerloss)1) The current and voltage waveforms given in the figure on the right.power electronics converter to which the shapes belongDraw the circuit. The stress on the load andThe relations for the average value of the current are obtained.please. 2) Positive half wave of AA voltage transferred to the loadfixed negative half wave is a controllableDraw an AA phase control circuit. Pure ohmic load and ?output current and voltage for a trigger angle such asGive the waveforms. 0 <? <piIs it possible to measure the phase-shift angle in an AC single-phase circuit by an indirect method using an ammeter and a voltmeter? - Yes, but an instrument must be added to measure the active resistance of the load. - Yes, but an instrument must be added to measure the active power dissipated by the load. - Yes, but an instrument must be added to measure the frequency.
- The diagram shown below is a typical tuning circuit. Considering this circuit comprises a transformer (with a coil ratio of 20:1 and an HV side voltage of 240V ), a capacitor of impedance -j20Ω, an inductor of impedance j40Ω, and a 50Ω resistor, determine: the current supplied by the source the impedance seen at the supply (HV side) the power dissipated by the resistor the operating power factor of the fitting If the capacitor is now removed from the above circuit and is placed in parallel with the secondary of the transformer, redraw the circuit diagram and recalculate parts a. to d. in question (i). Draw the phasor diagram for both series and parallel RLC circuits in parts (i) and (ii). Discuss the effects of changing the capacitor connection in parallel on the power factor of the circuit. State the benefits of using the transformer in the above circuit. Explain the operating principle of the transformer with particular reference to electro-magnetic…a) For the 2-Bus AC system given in Figure (a) find V1 (amplitude and angle). All the values are given in p.u. Note: Mind complex power concept! b) For the HVDC equivalent circuit given in Figure (b) calculate V2. All the values are given in p.u.Explain the principle to generate the high AC voltage generation by using resonant transformer with necessary equation.