Two generators A and B are parallel and sharing a total load 400kw at 60Hz, both generators are 480, 500Kw and 60Hx and 2% speed regulation, generator A carrying 150KW and generator B 200Kw Assuming generator B is tripped off the bus, determine a) Gen. A frequency b) Gen. B frequency c) Bus frequency d) Draw a diagram of frequency, verses load before and after tripping