Power system 1 has 4 identical generator, each rated 80MVA and inertia constant for each H=7MJ/MVA, Power system 2 has 3 identical generator, each rated 200MVA and the inertia constant is H=3J/MVA....

Power system 1 has 4 identical generator, each rated 80MVA and inertia constant for each H=7MJ/MVA,

Power system 2 has 3 identical generator, each rated 200MVA and the inertia constant is H=3J/MVA.

Considering 100MVA as the base of the generator then find the equivalent value of the inertia.