Need python code for load removal from load bus during dynamic simulation

Sazzad
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Hello, Thanks for ur support I need to curtail some amount of loads from different buses during dynamic simulation. Load curtailment may be on basis of frequency deviations from steady state (e.g., if freq<49.5 then shed 0.5 p.u from 3bus, 4bus etc.). How can I do that by writing python code and then at the end of simulation I need to see the total amount of load shedding and extract report?

Thanks in advance Sazzad

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answered May 15 '18

EBahr
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Take a look at the LDSHBL model in the MODELS.pdf documentation. For your example, you can add something similar to the following to your .dyr: 3, 'LDSHBL', '1', 49.5, 0.2, 0.5, 0, 0, 0, 0, 0, 0, 0.05 /

Where 3 is the bus number, '1' is the load ID, 49.5 is your setpoint frequency for shedding, 0.2 is the pickup time of the relay, 0.5 is the pu amount of load to shed, and 0.05 is the breaker time. Of course, your delays might be a bit different and would depend on your relay and breaker timings.

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Thanks for your reply. I have done this before and it works fine. But I was wondering that, this can be done by python or not. If so many thing will become easier for me.