AOC 15 - Manual (Page 79)

9.0 Wind Turbine Operation
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.
DOC012R02 AOC 15/50 User Manual Nov 2001
71
Instrumentation 60hz 50hz action reset when cleared status lights
Grid parameters grid monitor
over voltage: 400-540V 350-450V disconnect and park automatic grid monitor light
under voltage: 380-460V 300-400V disconnect and park automatic grid monitor light
(response time) adj 1-10secs adj 1-10secs
phase loss disconnect and park automatic grid monitor light
phase reversal disconnect and park automatic grid monitor light
Rotor Speed 2 speed sensors on
high speed shaft
Rotor nominal: 1800rpm 1500rpm if no faults connect to grid turbine on line
Rotor full load: 1840rpm 1535rpm
Rotor overpower: 1860rpm 1550rpm disconnect and park automatic rotor overpower
Rotor over-speed 1875rpm 1560rpm disconnect and park manual rotor overspeed
Rotor under-speed: 1760rpm 1460rpm disconnect and park automatic
(freewheel option) 1800rpm 1500rpm disconnect and freewheel automatic
(coast up option) < 50rpm after 1 min? < 50rpm after 1 min? disconnect and park automatic rotor overspeed flashing
Wind Speed 2 anemometers
wind in range 11mph - 50mph 11mph - 50mph if no faults release brake
low wind 8mph 8mph disconnect and park or freewheel automatic
high wind 50 mph 50 mph disconnect and park automatic high wind speed
Power output watts transducer
low power % < set points % < set points disconnect and park automatic
from power curve from power curve
Brake status
brakes applied plc signal disconnect and park automatic brakes applied
parking brake fault current sensor disconnect and park manual brakes applied flashing
Generator Temperature 3 NC thermostats
over temperature 145 deg C 145 deg C disconnect and park automatic generator thermal alarm
Table 9.1-2 PLC control system monitoring