Parallel connected synchronous condensers, provide short-circuit power and inertia, all while stabilizing the network through voltage recovery during faults. Increasing renewable power feed-in, can cause lack of short-circuit power and inertia.
When fossil-fuel power plants are in standby, synchronous condenser solutions use a conventional generator to provide the necessary inertia and short-circuit contribution by means of its rotating mass while also providing or absorbing reactive power.

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