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Renewables and reactive power

A transition to higher penetration renewables is going to require much more attention to electricity networks. Most of the generator ancillary services have been essentially built into systems by virtue of using large synchronous generators. An earlier post explored...

Synchronous grids and inertia

The Australian NEM spans five states and 4,500 km and has around 260 registered generators, all of which, when online, are synchronous machines spinning in near-exact synchronization at close to 50 Hz across the network (the island state of Tasmania is connected via...