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Wind Generator DE Bearing Vibration Analyzer

ISO 10816-21 zone check and trend analysis for generator drive-end bearing vibration.

Generator bearings fail electrically as often as mechanically โ€” shaft-current fluting cuts regular washboard patterns that vibration envelopes catch early. Enter your latest broadband RMS velocity and the previous reading: the tool places you in the ISO 10816-21 zone for the generator drive-end bearing, computes the monthly growth rate, and projects when the trend crosses the alert boundary.

A/B โ€” acceptable
ISO zone
Zone B limit (Generator drive-end bearing)6 mm/s
Zone C limit10 mm/s
Trend+33.3% (11.1%/month)
Est. months to alert zone9.7

Zones follow ISO 10816/20816 wind-turbine guidance: A/B = continue running, C = schedule the crane/repair, D = damage progressing. The trend matters more than the absolute number โ€” a doubling in 3 months at any level is a fault signature.

Sources: ISO 10816-21 / ISO 20816 โ€” wind turbine vibration evaluation; VDI 3834 โ€” wind turbine vibration guidance

Engineering estimate from published standards and typical equipment data. Site conditions, equipment datasheets and measured data govern the real result โ€” confirm with a qualified engineer.

Use the free Wind Generator DE Bearing Vibration Analyzer online โ€” ISO 10816-21 zone check and trend analysis for generator drive-end bearing vibration. Runs instantly in your browser: no signup, no upload, mobile-friendly.

About Wind Generator DE Bearing Vibration Analyzer

Generator bearings fail electrically as often as mechanically โ€” shaft-current fluting cuts regular washboard patterns that vibration envelopes catch early. Enter your latest broadband RMS velocity and the previous reading: the tool places you in the ISO 10816-21 zone for the generator drive-end bearing, computes the monthly growth rate, and projects when the trend crosses the alert boundary.

How to use Wind Generator DE Bearing Vibration Analyzer

  1. 1Enter the current broadband RMS velocity for the component.
  2. 2Add the previous reading and the months between.
  3. 3Read the ISO zone, growth rate and projected months to alert.

Why use Wind Generator DE Bearing Vibration Analyzer?

  • โœ“ISO 10816-21 zone boundaries for the exact component, not generic machine limits
  • โœ“Trend math: %/month growth and projected time to the alert zone
  • โœ“Component-specific failure-mode notes from field practice
  • โœ“Two readings and a date gap become a maintenance forecast

Frequently asked questions

What vibration level is acceptable on a wind turbine?+

Component-specific per ISO 10816-21: gearbox shafts alert around 3โ€“7 mm/s RMS, generator bearings 6โ€“10, main bearings far lower (slow shafts), tower-top structural readings much higher. This tool applies the right boundary set automatically โ€” generic ISO machine charts mislead on turbines.

Which matters more โ€” the level or the trend?+

The trend. A bearing at 60% of the alert limit doubling every quarter will fail; one sitting at 90% for years may be fine. The %/month figure and time-to-alert projection are this tool's real outputs โ€” single snapshots only ambush you politely.

How often should turbine vibration be measured?+

Continuous CMS for MW-class machines is standard; for portable-route monitoring, monthly on known-degrading components, quarterly otherwise. The faster the observed growth rate, the shorter the interval โ€” adjust until the next reading can't surprise you.

What causes rising vibration in the Wind Generator DE Bearing Vibration Analyzer's component?+

The component note in the tool flags the classic mode โ€” HSS pitting, electrically-fluted generator bearings, rotor imbalance at the tower. Confirm with spectrum analysis (defect frequencies) before ordering parts; broadband RMS finds the problem, the spectrum names it.

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