three phase fault block

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nur izzati
nur izzati 2011-3-24
回答： Degam 2023-10-13
How to use external control fault timing?
I have the algorithm to trip the breaker, but how to apply fault using the external control timing, what block that can be connected to it?

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Arnaud Miege
Arnaud Miege 2011-3-24
I assume you are referring to the Three-Phase Fault block from SimPowerSystems. If you look at the documentation for the block, you'll see that it says:
External control of fault timing
If selected, adds a fourth input port to the Three-Phase Fault block for an external control of the switching times of the fault breakers. The switching times are defined by a Simulink signal (0 or 1) connected to the fourth input port of the block.
So the answer is any regular Simulink block, the signal has to be either 0 or 1.
HTH,
Arnaud

更多回答（2 个）

nur izzati
nur izzati 2011-6-9
How to know the polarity of saturable current transformer block in matlab simulink?
  2 个评论
Arnaud Miege
Arnaud Miege 2011-6-9
Please start a new question rather than add to an existing one. Also, please provide more details: which block are you talking about? what do you mean by polarity? etc... If you have an example model to illustrate your question, even better.
nur izzati
nur izzati 2011-7-8
ok..thanks..I've got the answer already

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Degam
Degam 2023-10-13
Three phase fault analysis

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