Referenced Items are not available for this document.
Computer aided modelling has been used to simulate current chopping behaviour at different current levels. This model is based on the known are life time of a DC current. The appropriate experimental research has been carried out for a batch of 35 industrial VI with CuCr contacts. The obtained dependencies of the average arc life time VC current show a certain technological scatter that has been taken into account in further chopping current simulations. The developed software has been used to analyze features of 0.4 kV motor interruptions by low voltage vacuum contactor with CuCr and AgWC contacts (low-surge contact material). The obtained results have been generalized in “safe operation regions” that allow us to consider the necessity of the surge suppression when low voltage vacuum contactors are applied to motor control
Published in:
Discharges and Electrical Insulation in Vacuum, 1998. Proceedings ISDEIV. XVIIIth International Symposium on
(Volume:2
)
Date of Conference: 17-21 Aug 1998
- Page(s):
- 435 - 438 vol.2
- Meeting Date :
- 17 Aug 1998-21 Aug 1998
- ISSN :
- 1093-2941
- Print ISBN:
- 0-7803-3953-3
- INSPEC Accession Number:
- 6069979
- Conference Location :
- Eindhoven
- Digital Object Identifier :
- 10.1109/DEIV.1998.738627
- Product Type:
- Conference Publications
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