
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
3phase synchronize generator from the PC Mart produces an open line voltage of 6746V. when the exciting current is 50A. the terminal are then short circuited and three line currents are found to be 800A. a) calculate the synchronize reluctance per phase .
Problem 7. Three-phase Balanced Fault Analysis. For the two-generator system below, a three-phase short occurs at point A. Ignoring prefault currents and assuming a prefault bus voltage of 1.0 р.u., determine the fault current, in kA, contributed from generator G Assume base values of 50 MVA and 50 kV on transmission line side. 25 kV 50 MVA, 2.5% 1:2 50 MVA, 2090 25 kV 75.MVA, 15% г,-0.4% Figure 1
Problem 7. Three-phase Balanced Fault Analysis. For the two-generator system below,...
Exercise 12 A three phase interconnector has resistance per conductor of 4 Ω per phase and an inductive reactance of 10 Ω per phase. When the load is adjusted such that the terminal voltage at both ends is 33 kV the power loss in the interconnector is 600 kW. Calculate the sending and receiving end powers and power factors. s (12.14-j3.987) MVA, (11.54- j5.487) MVA, pf0.9501 leading, pfg 0.9031 leading,
Exercise 12 A three phase interconnector has resistance per conductor...
A three-phase 60 Hz synchronous generator is operating at unity power factor, with the following conditions: line-line voltage stator current field current torque angle Determine: (i) the magnitude of the induced voltage E, and (ii) the value of the synchronous inductance L 13k V 1000A 80A (a) (b) I s now desired to supply 8MVARs (lagging) while maintaining the same real power as above. Sketch the phasor diagram showing E. V, and I for this case, and determine numerical values...
A thee-phase short transmission line is supplying a load of 250 MW at 0.8 power factor lagging. The voltage at the receiving end is kept constant at 230 kV. The resistance and reactance per phase of the line are 5Ω and 15 Ω respectively. (i) Calculate the voltage regulation. (ii) At what value of the power factor is the voltage regulation zero? Derive the expression used
A three-phase transmission line is 370 km long. The series impedance of the line is0.524angle79.4 Ω/km and the susceptance is j3.17x10^-6 S/km. The voltage at thesending end is 400 kV. (i) Find the sending end current and the receiving end voltagewhen there is no load on the line. (ii) Determine the maximum permissible line lengthif the receiving end no-load voltage is not to exceed 430 kV.