For example, when there are three devices, only two curves are shown. It took me a long time to find out that change the current multiplier( curve multiplier) from default 1 to 0.1 will show the curve. But I don't want to do this for every single one of my TCC files. Is there any global setting or automatically shift the curve way?
skm not showing all the TCC curves
- Thread starter alal
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kingpb
Senior Member
- Location
- SE USA as far as you can go
- Occupation
- Engineer, Registered
Under Project, select options, then pick TCC. It gives you a bunch of defaults to select.
Finally get the correct solution
Finally get the correct solution
My very smart colleague found out the problem. In the TCC settings, under fault current, although Study Result is checked and I have ran it in ANSI, the Fault Type is selected to be _InitSym 3P. So the program should automatically using ANSI result for _InitSys 3P. However, the program seems to get stuck at this and did not run it correct. So I have to manually change it to ANSI Sym 3P LV. Then all the curves show up.
The SKM replied they noticed the Isc Amps shown in the Bus Voltage and Fault Current is extremely low. So this means the program did not calculated the fault current correctly and not using the right current to show the curves.
Finally get the correct solution
My very smart colleague found out the problem. In the TCC settings, under fault current, although Study Result is checked and I have ran it in ANSI, the Fault Type is selected to be _InitSym 3P. So the program should automatically using ANSI result for _InitSys 3P. However, the program seems to get stuck at this and did not run it correct. So I have to manually change it to ANSI Sym 3P LV. Then all the curves show up.
The SKM replied they noticed the Isc Amps shown in the Bus Voltage and Fault Current is extremely low. So this means the program did not calculated the fault current correctly and not using the right current to show the curves.
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