Question 2 A generator has a synchronous reactance of 1.2pu and operates with a busbar voltage of 1.1pu. a) Draw the ope

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Question 2 A Generator Has A Synchronous Reactance Of 1 2pu And Operates With A Busbar Voltage Of 1 1pu A Draw The Ope 1 (62.5 KiB) Viewed 29 times

Question 2 A generator has a synchronous reactance of 1.2pu and operates with a busbar voltage of 1.1pu. a) Draw the operating chart for the generator showing the boundaries corresponding to a peak stator current of 1.25pu, a peak input power of 1.283pu, a maximum load angle of 70° and a maximum continuous field current of 2.2pu, which produces 2.2pu open- circuit voltage. [10 marks] b) Indicate on the chart the two operating points corresponding to output power of 1.0413pu at the lowest permissible lagging and leading power factors. What are the values of the lagging and leading reactive power produced by the generator when operating at these points? [10 marks] c) If the generator is operated with a load angle of 40° and rated power output, use the chart to find the corresponding values of field current, stator current and power factor. [10 marks]