Clearly explain the motivation for using z-transform in the study of digital system?
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Clearly explain the motivation for using z-transform in the study of digital system?
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- figure the S-parameters for an ideal transformer with turn ratio N = N1:N2 where N1 is the no.of turns of the primary winding and N2 is the no. of turns of the secondary winding.Q2. Develop step by step an equivalent circuit of a transformer and determine the equivalentcircuit parameters referred to primary side showing all expressions.Q1) The equivalent low-side parameters of a 250kVA, 4160 - 480V, 60 = = Hz transformer are Req,LS 0.00920 2 and Xeq,LS 0.0433 9. The transformer is operated in the step-down mode and is delivering rated current at rated voltage to a 0.840 power-factor lagging load. Determine: the no-load voltage, the actual input voltage on the high-side, the high- side current, the input impedance, and the voltage regulation.
- A voltage source is to be connected to a resistive load RL=10 Ω by a transmission line having a resistance Rline=10 Ω as shown in Figure P14.62. In part (a) of the figure, no transformers are used. In part (b) of the figure, one transformer is used to step up the source voltage at the sending end of the line, and another transformer is used to step the voltage back down at the load. For each case, determine the power delivered by the source; the power dissipated in the line resistance; the power delivered to the load; and the efficiency, defined as the power delivered to the load as a percentage of the source power.We have a transformer designed to operate at 60 Hz. The voltage ratings are 4800 V rms and 240 V rms for the primary and secondary windings, respectively. The transformer is rated for 10 kVA. Now, we want to use this transformer at 120 Hz. Discuss the factors that must be considered in setting ratings appropriate for operation at the new frequency. (Keep in mind that for best utilization of the material in the transformer, we want the peak flux density to be nearly at saturation for both frequencies.)Electrical Engineering... What is the function of potential transformer? Drawbacks ?
- Q3) The equivalent parameters of a transformer referred to the secondary-side are Reqs 20 and Xeqs 10 2. The load voltage is 6010° V, calculate the load impedance given that the source voltage referred to secondary side is 100/0° V.24. From the short circuit test and open circuit test in #19 and #20, the equivalent circuit of a transformer can be obtained (it is then referred to the low voltage end). The transformer is rated 50 kVA,60 Hz, 2300:230 V. If it is delivering power at rated load, 0.85 lagging pf, determine: a. Load current, In. b. Iм c. Ic d. What is the value of Vp? 0.0084633 N j0.0246696 n Vp 153.3333 0Elc IM j197.22340 50 kVA 23020° V Z 10 0.85 pf lag1. A transformer takes 10 A on no-load at a power factor of 0.1. The turn ratio is 4 : 1 (step down). Ifaload is supplied by the secondary at 200 A and p.f. of 0.8, find the primary current and power factor(internal voltage drops in transformer are to be ignored).
- Can you help me set up equation to find this, I dont need solved just how to set up for a toroid transformer, I have already found Reluctance. The flux linking of winding 2 if the current in the winding 1 is -4 A, and the current in winding 2 is 2 AIgnore leakage inductance. Please help...Y Design a half-bridge inverter for the following specifications. Vd=131-159 V Vo= 220 V RMS, f=50 Hz Po=550 W AIL= 5 A at the worst case fs-10 kHz Draw the schematic including the PWM.gènerator blocks. Assume open loop control. Find the turn ratio of the transformer to be used. Assume 95% voltage regulation efficiency. Find the range of ma based on the selected transformer. Find mf. Find L and C values of the output filter. Explain the reason why topology uses antiparallel diodes in the switches. Answers: n=5 ma-1-0.8239 mf=200 / L=795 uH C=31.862 uFDraw the typical volt-ampere characteristic (U2=f(I2)) in a loaded voltage transformer. Denote the quantities at the specific points and explain the characteristic.