Quellmoor Ridge O&M wiki

Fictional sample. Every organisation, person, site and document in this wiki is invented. Not for operational use.

Glossary

5 min read

Terms of the domain with definitions, synonyms in other languages and related pages.

bearing

Machine element that supports a rotating shaft.

curtailment

Deliberate reduction or stop of power production, for example because of permit conditions or a grid limit.

delivery date

Date on which a supplier delivers ordered parts.

environmental permit

Authorisation issued by the environmental regulator with conditions on the operation of the site.

exclusion zone

Area that nobody enters during work above it or during a lift.

gear oil

Lubricant of the gearbox; the manufacturer specifies its product and viscosity grade.

gearbox

Mechanical transmission between the rotor shaft and the generator that raises the rotational speed.

generator brush

Carbon brush that carries current to the generator rotor through the slip ring.

leading-edge erosion

Wear of the front edge of a blade by rain, hail and particles.

lift plan

Plan of a crane lift with loads, radius, weather limits and exclusion zone.

lockout/tagout

Isolation of all energy sources with personal padlocks and tags before work starts.

management of change

Formal review and approval of a technical or organisational change before it is made.

minimum stock level

Quantity below which a part must be reordered.

near miss

Unplanned event that could have caused harm but did not.

oil analysis

Laboratory analysis of an oil sample (wear metals, water, viscosity, particles).

oil cooler

Air/oil heat exchanger with a fan that removes heat from the gearbox oil.

oil filter element

Replaceable filter cartridge of the gearbox oil circuit.

operating hours

Time during which a machine has been running.

pitch bearing

Bearing that connects a blade to the hub and lets the blade turn about its axis.

rescue kit

Sealed kit with a descent device used to lower a casualty from the nacelle.

  • Synonyms: fr: kit de sauvetage · de: Rettungsset
  • See also: rescue kit

rotor blade

One of the three blades of the rotor.

run-in

Period of reduced load after new parts are fitted.

SCADA

Supervisory control and data acquisition system that records turbine alarms and status changes.

service bulletin

Instruction from the turbine manufacturer that changes maintenance requirements or parts.

shift handover

Note passed from one shift to the next with the status of turbines and open work.

slip ring

Rotating ring on the generator shaft on which the brushes slide.

  • Synonyms: fr: bague collectrice · de: Schleifring
  • See also: slip ring

spare part

Part kept in stock to repair or maintain the turbines.

toolbox talk

Short safety briefing held with the team before work.

vibration velocity

Vibration level expressed as the RMS value of the velocity, in mm/s.

viscosity grade

Classification of an industrial oil by its kinematic viscosity at 40 °C (ISO VG).

work order

Record of a maintenance job with its turbine, parts, dates and status.

working at height

Work where a person could fall, such as climbing a tower or working in the nacelle.

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