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Posted: 2021-12-29 02:35 PM . Last Modified: 2024-11-22 04:25 AM
Motor protection in TT earthing system
Dear All,
I'm trying to configure a control panel used in location with TT earthing system.
For generic load after initial project calculation a RCD is added and since protection device is from Acti9 family, recalculation returns no errors.
For motor load there is a different story.
So after initial calculation a following error is generated:
Which also make sense, but after configuring RCD, error still persist with message:
Does that mean that there is no protective device for motor protection in TT system on offer from SE?
And no, I didn't have "withdrawable" option set to yes.
Does anyone know the solution for this problem? Any advice would be nice.
BR from ZR.
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Power Distribution Software
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Posted: 2022-01-03 01:30 AM
Hello
Here is our comments on the query;
Cause :
* Along with the motor protection; there is no 'integrated RCD' available.
* As the calculation is already ended up, with not able to find the 'add on RCD'
Suggestion :
The suggestion is to try with the choice of "Separate RCD" to get device selected.
Further :
If the provided suggestion is not working well, then please come back to us with the 'project file (.eac)' for further analysis.
Thank you
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Posted: 2022-01-03 01:30 AM
Hello
Here is our comments on the query;
Cause :
* Along with the motor protection; there is no 'integrated RCD' available.
* As the calculation is already ended up, with not able to find the 'add on RCD'
Suggestion :
The suggestion is to try with the choice of "Separate RCD" to get device selected.
Further :
If the provided suggestion is not working well, then please come back to us with the 'project file (.eac)' for further analysis.
Thank you
- Tags:
- english
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Posted: 2022-01-03 07:06 AM
Dear Genghiz,
After choosing "separate RCD" calculation goes through without error.
Ecodial offers RH10M as separate RCD.
I'm wondering why configuration of motor starter Tesys U even with LUCM, which has integrated RCD function, doesn't go through.
BR
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Posted: 2022-01-09 08:21 PM
Hello
Thanks for the confirmation, that the project file has been successfully completed the calculation.
Further to your inputs;
the possible consideration of motor protection devices with integrated RCD, and the associated selection conditions will be verified with the product development team.
Thanks and Regards,
Ecodial Expert Support.
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