Temperature. Must be reset manually

9.0 Wind Turbine Operation

		Table 9.1-3 AOC 15/50 System indicating lights

Function	Color	Description
Turbine Ready	Green	ON: Turbine can be connected to the utility network.
Turbine On	Green	ON: Turbine is connected to the utility network.
Line
Brakes Applied	Red	ON: Any of the brakes are deployed.
		OFF: When parking brake is released during parking brake release
		test.
Brake Cooling	Red	ON: Turbine is waiting for brakes to cool (typically 15 minutes).
Cycle
		FLASHING: Parking brake undercurrent fault. Must be reset
		manually.
Grid Fault	Red	ON: Monitor detected over/under voltage, phase reversal, loss of
		phase. Stays on for duration of brake cooling cycle.
Generator	Red	ON: Generator internal thermal switch indicates an elevated
Thermal Alarm		temperature. Must be reset manually.
		FLASHING: Softstart thermal switch indicates an elevated
		temperature. Must be reset manually.
Rotor	Red	ON: Maximum rotor speed exceeded (1875 rpm for 60 Hz). Must
Overspeed		be reset manually.
		FLASHING: Difference of over 20 rpm between the two speed
		sensors. This does not shut down the turbine.
Rotor	Red	ON: Generator maximum power rating exceeded (1550 rpm for
Overpower		50 Hz and 1860 rpm for 60 Hz ).
High Wind	Red	ON: Wind speed has exceeded program limit (typically 22.3 m/s or
Speed		50 mph). Stays on for duration of brake cooling cycle.


Spare	Red	ON: Low power shut down. Turbine power output is low for giving
		wind speed.
		FLASHING: Three low power shut downs have occurred within
		75 minutes. Must be reset manually.

NOTICE: Use of the material contained in this document is subject to the warning on page Iv and the disclaimer on page v of this document.

AOC 15/50 User Manual

Nov 2001

AOC 15 user manual Temperature. Must be reset manually