The inertia constant H of a machine of 200 MVA is 2 p.u.

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The inertia constant H of a machine of 200 MVA is 2 p.u. Its value corresponding to 400 MVA will be _________

1. 1
2. 0.1
3. 0.001
4. 1.1

Correct Option: A

As H (p.U) ∝ 1	1
	(MVA)Rating,

thus, new value of H corresponding to 400 MVA is 1 p.u.