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NEPLAN tranzient stability

NEPLAN tranzient stability

NEPLAN tranzient stability

(OP)
Using the software package NEPLAN 5.2.2 I have made part of the power system in which i`m  examining tranzient stability, setting the 3 phase short circuit on the lines which led goes on for a period of 0,1 s, and off for a period of 0,2 s  and i  observe the stability of the generators s (Corner of busy, active and reactive power rotors  angle etc.). In the network i have exposed three generators with voltage regulators and turbine through which the transformers are connected to the TS 400/110kV.I have completly modeled TS I h 400/110kV  with its own auto and two busbars. The 110kV busbars connected three TS 110kV associated radially. Network voltage level of 400kV and 110kV from the rest of the power system is represented by the respective FEEDER for 110 and 400kV. When i make a  short connection of lines connected to 400kV voltage level ,NEPLAN gives me the results, ie I have a change of the regime parameters (above), whereas when i make the same connection on the transmissions  of which are connected to the 110kV voltage level NEPLAN do not deliver. I want to ask if someone could give me a help or answer why i`m not getting any results at 110kV voltage level, ie where wrong. The concerned gives its original chart work.Thank you.

RE: NEPLAN tranzient stability

You may with to speak to support people at NEPLAN. My guess is your system parameters are outside of the range that the software can solve, but the software company will be the best source of advice.

Alan
"The engineer's first problem in any design situation is to discover what the problem really is." Unk.

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