"If Vc is equal to 2754193 and Vab is 476.3142103, the phase sequence is:" O POSITIVE NEGATIVE
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- Determine the time-domain expressions for the line-to-line voltages vAB, vBC, and vCA. Please report your answer so the magnitude is positive and all angles are in the range of negative 180 degrees to positive 180 degreesTwo buses are interconnected by a transmission line of impedance (0.03 + j0.012) pu. The voltage on one bus is 1/0°, and the load on the other bus is (1 + j0.4) pu. Determine the voltage on the second bus. Also calculate the real and reactive power on the first bus.The sample large power system network data's are given below, The total number of buses is 5 Three-phase short circuit fault subjected at the bus 5 The initial voltage of the faulted bus is 1.0 p.u The Zbus matrix element Z55 is 0.774 p.u Fault impedance Zf= 0.39 p.u
- For the circuit below, determine the circulating current and the voltages across each component. Draw a phasor diagram of the three component voltages. Also find the time delay between the voltages of the components (VR, VC).1-In series R-L circuit transients, the momentary current imm is directly proportional to the RMS voltage. Select one: True False 2-Symmetrical components method are used to solve the symmetrical faults. Select one: True False 3-If the circuit has leading power factor, then it is called as _______________ circuit. Inductive Capacitive Resistive Resistive and InductiveVan = 330∠510°, Vbn = 330∠270°, Vcn = 330∠390°" A POSITIVE PHASE SEQUENCE B NEGATIVE PHASE SEQUENCE
- The sample large power system network data's are given below, The total number of buses is 5 Three-phase short circuit fault subjected at the bus 5 The initial voltage of the faulted bus is 1.0 p.u The Zbus matrix element Z55 is 0.704 p.u Fault impedance Zf= 0.33 p.u Fault current (If )in p.u ..........a-Calculate and draw the load current for the first two-period interval b-Calculate and draw the source current and find its average valueNOTE :( Just solve only for the Symmetrical components of the corresponding phase voltage) Given the symmetrical components to be V0 = 10<0 V , V1 = 80<30 V , V2 = 40<-30 V determine the unbalanced phase voltages Va, Vb, and Vc.(b) Using the results of part (a), calculate the line-to-line voltages Vab, Vbc, and Vca. Then determine the symmetrical components of these line-to-line voltages, the symmetrical components of the corresponding phase voltages, and the phase voltages.
- Explain why 7th harmonic is positive sequence while all triplen harmonics are called as zero sequence harmonics.Subject Power System QualityGiven the symmetrical components to be V0 = 10<0 V , V1 = 80<30 V , V2 = 40<-30 V determine the unbalanced phase voltages Va, Vb, and Vc.(b) Using the results of part (a), calculate the line-to-line voltages Vab, Vbc, and Vca. Then determine the symmetrical components of these line-to-line voltages, the symmetrical components of the corresponding phase voltages, and the phase voltages.It is desired to purchase a synchronous condenser to correct the 2,400-KVA 0.67-lagging power factor load in an industrial plant to 0.95 lagging. Neglect losses, calculate: (a) the kilovolt-ampere input rating of the required synchronous condenser; (b) the total kilovoltamperes of the plant. Using the phasor diagram.