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Comparison

Compare time-based, condition-based, and AI-assisted maintenance planning

A practical comparison of time-based maintenance, condition-based maintenance, and human-reviewed AI-assisted CBM for transformer fleets.

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Comparison boundary These pages compare workflow fit and evidence handling. They do not claim customer results, ratings, certifications, or guaranteed performance.

Time-based maintenance, condition-based maintenance, and AI-assisted CBM each have a role. The practical question is whether evidence is strong enough, reviewable enough, and governed enough to support better work-package decisions.

Comparison table

Where GridAPM changes the workflow.

Use this table to frame a pilot conversation around evidence, governance, and work-package quality rather than broad software categories.

Criterion Common approach GridAPM pilot approach
Maintenance trigger TBM uses calendar, interval, or policy cycles. CBM uses condition evidence and review thresholds. AI-assisted CBM drafts evidence summaries and questions, but approval remains human-reviewed.
Evidence burden TBM needs less diagnostic evidence but may miss changing condition. CBM needs more source quality. GridAPM helps identify missing evidence, provenance gaps, and review-readiness issues.
Governance TBM governance is policy-based. CBM governance depends on diagnostic review discipline. AI-assisted CBM needs explicit source boundaries, audit trails, and approval paths.
Best pilot metric TBM compares schedule adherence. CBM compares review quality, risk prioritization, and evidence coverage. AI-assisted CBM pilots should measure preparation effort, traceability, reviewer confidence, and work-package quality.

Best fit

  • Teams moving from calendar-only maintenance to evidence-led transformer review.
  • Asset managers who want better evidence packs before changing maintenance intervals.
  • Utilities that need safe AI assistance without autonomous maintenance authority.

Not a fit when

  • The organization lacks minimum evidence provenance or reviewer availability.
  • The team wants AI to override maintenance policy.
  • The pilot cannot define a measurable workflow or asset population.
Evidence readiness checklist Open related GridAPM resource CBM pilot scorecard Open related GridAPM resource Pilot evaluation Open related GridAPM resource

FAQ

Comparison without inflated claims.

Is AI-assisted CBM better than TBM?

Not automatically. AI-assisted CBM is useful only when evidence quality, reviewer workflow, and governance are strong enough for safe review.

Can GridAPM decide maintenance timing?

No. GridAPM can help prepare evidence and draft review material; maintenance timing and approval remain with qualified personnel.