Cables for VFDs
VFD cables offer low capacitance, low resistance ground path, improved common-mode current containment and improved EMI/RFI shielding.
These 2,000 V cables for VFDs include classic and symmetrical
designs. The Classic design VFD cables are 14 AWG to 2 AWG with Beldfoil plus
TC Braid Shield. This series of seven cables features oversized XLPE insulation
to provide low capacitance. Highly effective dual shielding provides a low
resistance to ground path, which improves common mode current containment. The
85% braid coverage offers optimum EMI low frequency noise protection, while the
100% aluminum/Mylar tape shield offers RFI high frequency noise protection. Also
included in the smooth, round cables are full-size, insulated green ground
wires with a yellow stripe and drain wires for ease of installation and
The Symmetrical design VFD cables are large AWG (1 to 4/0),
with a spiral copper tape shield. This series of five cables combines the
benefits of Classic VFD cables with additional features for use on larger, more
powerful ac motor drives. Highly effective shielding provides a low resistance
ground path, which improves common mode current containment. Spirally-applied
dual copper tape shields provide 100% coverage, coupled with improved
flexibility and EMI/RFI noise protection. The three symmetrical bare ground
wires provide a balanced ground system to reduce the likelihood of premature
motor bearing or motor insulation failure.
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After almost a decade of uncertainty, the confidence of plant floor managers is soaring. Even with a number of challenges and while implementing new technologies, there is a renewed sense of optimism among plant managers about their business and their future.
The respondents to the 2014 Plant Engineering Salary Survey come from throughout the U.S. and serve a variety of industries, but they are uniform in their optimism about manufacturing. This year’s survey found 79% consider manufacturing a secure career. That’s up from 75% in 2013 and significantly higher than the 63% figure when Plant Engineering first started asking that question a decade ago.