Reconcile one exact published wind-turbine power-curve row with one completed observed electrical-output row while preserving model, configuration, wind reference, measurement basis and responsibility.
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A quick decision brief for this specific tool
Inputs that matter
One named and revisioned completed wind-turbine power-curve-point record; one already-selected exact manufacturer/model/configuration; published power-curve source, revision, exact row, wind reference/height/averaging/normalization and electrical-output basis; completed observation source, exact time/row, wind reference/height/averaging, meter and output basis; arithmetic/conversion method and responsible reviewer; positive published and observed wind speeds independently tagged m/s or mph; positive published and nonnegative observed electrical power independently tagged W or kW; optional independent completed signed observed-minus-published power difference with its source and an optional separate reviewer-owned arithmetic tolerance; plus explicit exact-source curve-point, completed-observation, same-model/configuration/reference/basis coherence and arithmetic-only decision boundaries
Output to expect
Normalized published and observed wind speeds in m/s and mph; signed observed-minus-published wind-speed difference; normalized published and observed electrical power in W and kW; signed observed-minus-published power difference and neutral observed/published power ratio; optional reported-minus-reproduced power difference and inside/outside owner-tolerance state; complete turbine/curve/observation/condition/method/reviewer evidence; deliberate page-session retention, copy/Markdown/print/share actions; and stable Project outputs that keep rotor/density/Cp/efficiency estimation, average-wind substitution, daily/annual energy or capacity-factor prediction, resource/siting/tower/terrain/turbulence assessment, product/system selection, certification/conformance diagnosis and safety/code/installation/commissioning/operation approval false
How it works
Validate one coherent exact-model/configuration completed record; preserve independent source units and normalize exactly with1mph=0.44704m/s and1kW=1,000W; subtract the published curve-point wind speed from the completed observed wind speed and published electrical power from observed electrical power; divide observed power by positive published power only as neutral arithmetic; then optionally reconcile one independently reported signed same-record power difference inside a reviewer-owned arithmetic tolerance without deriving power, estimating yield, diagnosing performance or classifying suitability
The exact manufacturer/model/configuration, published curve source/revision/row/conditions, completed observation source/time/row/conditions, wind references, averaging, normalization, meter/output bases, source units, method and reviewer must travel together. Rotor diameter, generic air density/Cp/efficiency, Betz limits, rated power, average wind, another model/configuration/condition/reference/interval or incomplete observation needs another responsible workflow or is refused.
A signed wind-speed or power difference and power ratio are not performance, conformance, suitability, yield or safety decisions. Keep uncertainty, measurement quality, certification, rated/cut-in/cut-out behavior, wind-resource and frequency-distribution analysis, tower/micro-siting/turbulence/terrain, product/system selection, structural/foundation/controller/inverter/battery/grid/noise/zoning/wildlife/fire/code/installation/commissioning/operation/economic decisions with current exact evidence, applicable authorities and responsible qualified professionals.
Choose your path
Built around the job you need to finish
Reconcile one exact already-selected wind-turbine model/configuration's published power-curve row with one completed observed electrical-output row while preserving both wind references, measurement bases, sources, conditions, method and reviewer and without estimating power or yield, diagnosing performance, selecting equipment or approving installation.
Field-data reviewer reproducing one completed wind power point
Normalize the published curve row and completed observation without losing their independent units, wind references, electrical-output bases or responsibility.
Name the record and exact turbine/configuration, retain both source rows and condition records, enter independently tagged wind speeds and electrical powers, affirm all four evidence boundaries, then reconcile.
Receives signed wind-speed and electrical-power differences plus a neutral power ratio while every evidence field and nondecision remains visible.
Project reviewer checking an independently reported power difference
Compare another completed signed difference without turning arithmetic agreement into performance, conformance, yield, product or safety acceptance.
Enter the reported power difference and exact source, optionally add the record owner's arithmetic tolerance, inspect the signed residual, retain a snapshot, edit a live input and verify stale-result removal.
Can distinguish arithmetic agreement from turbine approval, with tolerance neutral when absent and retained evidence immutable when the live form changes.
Phone user testing the former wind-output promise
Avoid an electrical-output or annual-energy claim generated from rotor diameter, generic density/Cp/efficiency, average wind, rated power or an invented capacity factor.
Load the clearly static example, trigger estimated-curve, incomplete-observation, mixed-record and yield/siting/system decision refusals, recover with one coherent completed record, reconcile, retain and Reset.
Unsupported requests fail at their owning field with no stale result/action, and the Tool never predicts power/yield, recommends a turbine/tower/system or approves conformance, safety or installation.
Authoritative checks for this tool
Outputs and checklists are planning aids. Review the linked current authorities and the records, terms, instructions, and requirements that apply to your exact situation before a consequential decision.
Record the exact manufacturer, model and configuration; the published curve source, revision and row; the completed observation source, time and row; both wind references, averaging and output bases; the method and responsible reviewer.
one model/configuration + one curve row + one observation row
Normalize Only the Recorded Units
Convert each recorded wind speed independently between m/s and mph and each electrical-power value independently between W and kW. Do not create a power value from rotor diameter, air density, Cp or efficiency.
1 mph = 0.44704 m/s; 1 kW = 1,000 W
Report Neutral Point Arithmetic
Subtract the published point from the observed point for wind speed and electrical power, then divide observed power by positive published power. The signed results describe only the two retained rows.
ΔP = P_observed − P_published; ratio = P_observed ÷ P_published
Updated: September 2026
Example Scenarios
Preserve the exact logged wind reference, meter/output basis and curve-row evidence, normalize mixed source units, and compare the completed values without diagnosing turbine performance.
Enter an independently reported signed power difference and its source, then compare it with the reproduced difference inside an owner-supplied arithmetic tolerance that never becomes a conformance threshold.
Load the static de-identified example to see why one coherent published/observed point can be reconciled while average wind, rated power and annual energy require different evidence and workflows.
Common Mistakes to Avoid
✕
Mixing model, configuration, wind reference or output basis
✓
Stop the comparison. Retain one exact turbine/configuration and explicitly coherent curve and observation bases, or return the records to the responsible measurement workflow.
✕
Treating one signed point difference as a performance or purchase verdict
✓
Keep uncertainty, measurement quality, certification, conformance, siting, energy yield, equipment selection, safety and installation decisions with the applicable evidence and responsible qualified reviewers.
FAQ
Bring one exact turbine model/configuration, one published power-curve source/revision/row, one completed observation source/time/row, both wind references and output bases, the arithmetic method and a responsible reviewer.
A generic theoretical equation does not replace the exact turbine's measured or published power curve and its conditions. This workspace accepts source-owned completed point values instead of inventing electrical output.
No. A source-defined power-curve point and an average wind statistic have different time and measurement meanings. Use a completed same-basis observation row or a responsible wind-resource workflow.
No. The difference and ratio are neutral arithmetic. They do not diagnose uncertainty, measurement quality, certification, conformance, degradation, faults or suitability.
No. Energy yield needs the exact turbine power curve together with the site's wind-speed frequency distribution and other model/site inputs. This record never invents a capacity factor or yield.
About Wind Turbine Power-Curve Point Record
Use this reviewed workspace only after a responsible process has selected one exact turbine model and configuration and produced both a published power-curve row and a completed observation row. It preserves the two wind-speed references and electrical-output bases, normalizes m/s or mph and W or kW, and reproduces signed point differences plus a neutral power ratio. It does not estimate turbine output, annual energy, suitability or conformance.
