For the purpose of this subchapter, the following definitions shall apply unless the context clearly indicates or requires a different meaning.
A-WEIGHTED. A specific weighting of the sound pressure level for the purpose of determining the human response to sound.
dB(A). A unit of sound level expressed in decibels (dB) and A-weighted.
L10. The sound level, expressed in dB(A)which is exceeded 10% of the time for a one-hour period, as measured by test procedures approved by the Director of the MPCA.
L50. The sound level, expressed in dB(A) which is exceeded 50% of the time for a one-hour period, as measured by test procedures approved by the Director of the MPCA.
NACELLE. Compartment containing the electrical generator.
ROTOR DIAMETER. The diameter of the circle described by the moving rotor blades.
TOTAL HEIGHT OF WECS. The total height shall be measured from the surrounding grade at the base of the tower before construction to the highest component of each WECS.
TOWER FOR WECS. The vertical structure that supports the electrical generator or rotor blades.
WIND ENERGY CONVERSION SYSTEM (WECS). An electrical generating facility comprised of one wind turbine and accessory facilities, including but not limited to: power lines, transformers and substations that operate by converting the kinetic energy of wind into electrical energy. The energy may be used on-site and/or distributed into the electrical grid.
WIND TURBINE. A wind turbine is any electrical generating equipment that converts the kinetic energy of blowing wind into electrical energy.
(Prior Code, § 12-229) (Ord. 05-2010, passed 6-15-2010; Ord. 10-2010, passed 11-16-2010)