If two pole 50 Hz, 50 MVA turbogenerator has a moment of

If two pole 50 Hz, 50 MVA turbogenerator has a moment of inertia of 9 × 10³ kg-m², then kinetic energy in MJ at rated speed will be _________ MJ

N =	120 × ƒ	=	120 × 50	= 3000 rpm
	P		2

Kinetic energy stored =	1	jω² =	1	(J).		2π × N		²
	2		2			60

=	1	× 9 × 10³ ×		2π × 3000		²	= 444 MJ.
	2			60