Wind Project Life Cycle

A wind farm has a lifespan of ___ - ____ years that starts with development and goes through construction, operation and ends with decommissioning or occasionally repowering

• 10-20

• 20-30

• 30-40

• 40-50

Repowering means....

• replacing old WPPs with newer ones

• Commissioning a new power plant

• Discarding a old power plant

• Servicing a power plant

Site feasibility study, Permissions and Procurement, Installation and Commissioning of WPP's consuming

• less than 3 months

• 3 - 6 months

• 6 - 9 months

• 9 - 12 months

•A ___MW turbine requires a crane with capacity to lift ___ tons for hoisting the tower sections nacelle and rotor into position.

• 2 MW, 500 tons

• 1 MW, 500 tons

• 2 MW, 600 tons

• 1 MW, 600 tons

The top of the turbine structure of WPP

• Nacelle

• rotor

• the generator, gearbox, control systems

• nacelle and the rotor assembly

Rotor assembly consists of

• blades and hub

• the generator, gearbox, control systems,

• the generator, and gearbox

• the generator, gearbox, blades,

SCADA system means

• Superior Control and Data Acquisition

• Surplus Control and Data Acquisition

• Supervisory Control and Data Assessment

• Supervisory Control and Data Acquisition

Common practice to undertake a major overhaul of a WPP

• Every 2 Years

• 10 - 12 Years

• Every Year

• Based on the need arrises

The typical preventive maintenance of a WPP is about

• 20 hours

• 30 hours

• 40 hours

• 50 hours

WPPs have a ______  investment cost but very _____operational cost

• low, high

• high, low

• high, medium

• medium, low