black start in PSS/E
I want do black start of power system ,but i do not find the model in pss/e instructions,who had do it that can teach me or tell me where can find the Operation method? Thank you!
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It is not possible to start a generator unit during a dynamic simulation!!! All generators to be simulated must be in-service in the saved case used in the simulation so they will be initialised at start of simulation.
Synchronisation of a unit can be simulated by keeping an islanded, stand-alone AC-system with the generator bus as a swing bus and the step-up transformer switched off. The unit is then running at nominal speed until synchronisation is done by e.g. closing the step-up transformer at a proper time in the simulation.
Just be sure that the phase angle, frequence and voltage differences are sufficiently small at the instant of synchronisation.
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There is no model for black start because it is not a model but a process. A generator machine is started at minimum loading, then let it pick up more load (or a small network). Do the same for a second machine. Now joint both networks making sure that after closing the switch (synchronization!), all machines remain stable.
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Asked: 2019-04-01 22:41:21 -0500
Seen: 1,337 times
Last updated: Apr 03 '19
