B2 Draw the positive and zero sequence diagram of the Fig shown. Zero sequence line reactance is 30%, (ii) machines Xo = 4%, Xn = 2% jo.07 p.u jo.07 p.u X" = jo.5 p.u X" = jo.5 p.u j0.15 p.u G- ee
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- Problem 02.005 - Nodes, Branches, and Loops For the network graph shown in the given figure, find the number of nodes, branches, and independent loops. A The number of nodes present in the given network graph is The number of branches present in the given network graph is The number of independent loops present in the given network graph is1) The term Bi is defined as Select one: O a. Negative change in reference bus power to the power change DPi on bus i O b. All of these 1/Pfi Clear my choice23.Compare between 1 ph IM and 3 ph IM. 24.Draw the equivalent circuit of 1 ph IM. 25.Write the equations to determine X0 and RO of 1 ph IM. 26. Why the p.f under no load is a very small value.
- 1/ Suppose that there are two types of H.V.T.Ls operating at the same voltage and carrying the same current, but one of them with smooth shapewhile the other with standard shape. Which of them, you will choose? a. choosing the smooth one. b. choosing the standard one. c. choosing the one with hollow construction shape. d. all these answers are wrong. 2/ As the ambient temperature in crease the disruptive critical voltage of coron a is: a. Decreased b. Increased c. No effect d. All these answers are wrong. 3/ Using HV underground cable improvevoltageprofile and power factor in any loaded inductive electrical grid because. a. Due to its inductive power effect. b. Due to resistive Effect. c. Due to its capacitive power effect. d. All of the above answers are wrong.Homework -j2 1 For the ect. shown, ee determine the branch + j2 voltagen ad currents and the power delivered by the souree using mech aualysis. -j1 * All resietomce and reactance values are in Ohms. HWW1 A 1 IL Tr1 AC Supply V V w2 12 Tr2 use double range voltmeter Fig.(1)
- Electrical engineering flexApply Kircchoff's current law.3) Resistor is used as load in the circuit below. T1 and T4 thyristor is triggered at 30 degrees, T2 and T3 thyristor is triggered at 210 degrees. The effective voltage of the AC voltage applied to the circuit is 120 V. a) Draw the graph of the voltage on the load resistor.b) Neglect the voltage drop across the thyristors and find the average value of the load voltage.
- The voltage regulation can be equal to zero when: OThe t and current is not too high. OThe p.f. is leading p.f. for any possible current. OThe p.f. is lagging p.f. for rated current.Calculate the voltage Vs and the current Is. Calculate the phase difference between Vr1 and Vs.A circuit consists of an AC voltage source, a 10-ohm resistor, and a capacitor, all connected in series. The magnitude of the impedance of the capacitor is also 10 ohms. Which of the following is true about the source voltage and the current through the circuit? a. Insufficient information is given. b. The source voltage will lag the current. c. The source voltage will lead the current. d. The source voltage will be in-phase with the current.