A 500-MVA synchronous machine has H1 = 4.6 MJ/MVA, and a 1500 MVA machine has H2 = 3.0 MJ/MVA. The two machines operate in parallel in a power station. The equivalent H constant for the two, relative to a 100 MVA base will be
The load carrying capability of a long ac line is
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If the inertia constant H = 9.0 MJ/MVA for a 50 MVA generator, the stored energy is
Bundled conductors in a transmission line will
A 1500 MVA synchronous generator has an inertia constant of 5.0 MJ/MVA. The inertia constant of the machine relative to a 50 MVA base is
If the initial acceleration power of a 100 MVA, 50 Hz synchronous generator having H= 5 MJ/MVA is Xpu, the initial acceleration in elec-deg/s2 and the inertia constant in M J-s/ele-deg respectively will be
The critical clearing angle of a power system is related to
25 docs|247 tests
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25 docs|247 tests
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