3-phase, two-pole, Y-connected, 60 Hz, 10MVA, 13.8kV synchronous generator has a synchronous reactance of 10.5 ohms and negligible resistance. It is operating in parallel with a large power system (infinite bus). The grid operates at 13.8kV and the internal generated voltage of the generator is 20.48 kV. What is the maximum output power the generator can theoretically deliver?

3-phase, two-pole, Y-connected, 60 Hz, 10MVA, 13.8kV synchronous generator has a synchronous reactance of 10.5 ohms and negligible resistance. It is operating in parallel with a large power system (infinite bus). The grid operates at 13.8kV and the internal generated voltage of the generator is 20.48 kV. What is the maximum output power the generator can theoretically deliver?

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.16P: A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and...

See similar textbooks

Similar questions

The total instantaneous power delivered by a three-phase generator under balanced operating conditions is (a) A function of time (b) A constant
A 15kVA, 440V, single-phase alternator draws a field current of 5A at rated load. With the same field current, the open circuit emf and short-circuit current are 100V and 80A respectively. The ohmic resistance of the armature between terminals is 0.12 ohm. The ratio of effective to ohmic resistance maybe taken as 1.1. Determine the voltage regulation (in %) when the load is purely resistive.
A 1200kVA, 6600V, 3-phase Y-connected alternator has an effective resistance of 0.40 ohm and a reactance of 6 ohms per phase. It delivers full load current at 0.80 lagging power factor at rated voltage. What will be the terminal voltage for the same excitation and load current, if the power factor is 0.80 leading
3.) A 3-phase synchronous generator, rated 16 kV and 200 MVA, has negligible losses and synchronous reactance of 1.65 per unit. It is operated on an infinite bus having a voltage of 15 kV and delivers 100 MVA at 0.8 pf lagging. Solve the internal voltage. Subject Electrical machine 2
A 3-phase ,13500V, star connected alternator is rated at 1600kVA. The armature effective resistance and synchronous reactance are 1.5 ohm and 30 ohm respectively per phase. Calculate the percentage regulation for a load of 1280kW at 0.8 power factor lagging
A 30 MVA, three-phase, wye-connected, 60 Hz, 13.8 kV synchronous alternator has negligible stator resistance and synchronous reactance of 10 W/phase. Calculate the % voltage regulation of the alternator when it is operation in isolation (stand-alone) and delivering rated MVA to a 0.866 pf leading load at 13.8 kV. Calculate the % voltage regulation of the alternator when it is operation in isolation (stand-alone) and delivering rated MVA to a 0.707 pf lagging load at 13.8 kV.
A 400-V, 3-phase induction motor load takes 900 kVA at a power factor of 0.707. Calculate the KVA rating of the capacitor bank to raise the resultant power factor of the installation of 0.866 lagging. Find also the resultant power factor when the capacitors are in circuit and the motor load has fallen to 300 kVA at 0.5 power factor.
A 1200 kVA, 6600 volts, 3-phase Y connected alternator, has an effective resistance of 0.4 ohms and a synchronous reactance of 6 ohms per phase. It delivers full load current at 0.8 lagging power factor at rated voltage. What will be the generated voltage if the power factor is change to 0.8 leading. Solve for the % voltage regulation both for 0.8 lagging and 0.8 leading power factors.
A 60kVA, 220V, 50Hz, single phase alternator has effective armature resistance of 0.016 ohm and an armature leakage reactance of 0.07 ohm. Compute the voltage induced when the alternator is delivering at a load power factor of (a) unity; a. 225.2V b. 252.2V c. 522.2V d. 222.5V
A three-phase generator is rated 32 MVA, 14.8 kV. If its reactance is specified as 8%, then the value of actual reactance of the generator winding is Actual reactance (Zactual)
A 5 MVA phase, 14.1-KV, 0.85-PF-lagging, 50Hz, 4-pole, Y-connected steam-turbine generator has a synchronous reactance of 10 per phase, and a negligible armature resistance. This generator is connected to operate in parallel with large power system infinite bus) The generator is operating with EA=8.0 KV and S = 21.8 degrees If the field current is reduced by 20 % while the power is not changed, Find the new torque angle and the magnitude of the armature current.
A three-phase synchronous generator has a synchronous reactance of 50 Ω/phase. It is connected to an infinite bus of line voltage 15,000 V , and it develops a total power of 5 MVA supplying with unity pf. If the armature voltage of the generator is increased by 15%, while the input power to the generator remains constant, determine the new power factor and the apparent power supplied to the grid.it supplies to the network.