Disconnected elements error.

[imsaumil]

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Issue

This is not an issue but stems from my limited knowledge of this library.

I have buses, lines, load, generator, 2w-transformer, and slack generator. It gives me this error through the diagnostic tool and prevents me from running the load flow.

I am yet to add other components and it is an incomplete system. But, wanted to get an idea if this error is due to missing switches in the system?

Thanks for your help in advance.

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[rbolgaryn]

It is usually due to the buses not having a path to the slack bus - either because there are no elements connecting them, or some switches are open. You do not need to have switches for the connectivity, the connectivity is also there without switches.