Spreadsheet: mary_fischer__25386__March Log2
Sheet: WTG Down

CLEAR SKY
SIGNIFICANT WTG DOWN TIME
Month: |  |  |  |  | Reason: F=fault, U=unscheduled maint. S= scheduled maint. C=curtail
WTG # | Date off | Time off | Date on | Time on | Hrs. | Reason | Comments
91 | 2002-03-14 00:00:00 | 0800 | 2002-03-15 00:00:00 | 0930 | 25.5 | F | MS-3 failed.
121 | 2002-03-07 00:00:00 | 700 | 2002-03-13 00:00:00 | 830 | 144 | F | MS-3 failed.
74 | 2002-03-11 00:00:00 | 1240 | 2002-03-12 00:00:00 | 1400 | 26 | F | Battery charging voltage not ok.
105 | 2002-03-08 00:00:00 | 1150 | 2002-03-08 00:00:00 | 1545 | 27.5 | F | 10F3 and 3F1 in top box blown.
88 | 2002-03-19 00:00:00 | 500 | 2002-03-20 00:00:00 | 1630 | 35 | F | PMT tripped, commisioning lost, MS3 defective.  Had to wait for part
81 | 2002-03-12 00:00:00 | 1000 | 3/14 | 1500 | 53 | F | Closeout on blade one fixed, let Sikaflex dry.
63 | 2002-03-08 00:00:00 | 0149 | 2002-03-09 00:00:00 | 2239 | 42 | F | Battery charging voltage not ok.
41 | 2002-03-08 00:00:00 | 0745 | 2002-03-12 00:00:00 | 950 | 38 | F | Encoder cable cold solder joint on CSC3-LG-60.  Replaced component.
47 | 2002-03-04 00:00:00 | 1000 | 2002-03-05 00:00:00 | 2236 | 36 | F | Repaired torn insulation on 3 generator cables.
35 | 2002-03-25 00:00:00 | 1930 | 2002-03-25 00:00:00 | 1900 | 23.5 | F | Axis 3 lost zero and axis 1 had broken sight glass.
38 | 2002-03-24 00:00:00 | 0645 | 2002-03-25 00:00:00 | 1345 | 31 | F | Motor protection top cabinet.  Checked circuit.
114 | 2002-03-27 00:00:00 | 0530 | 2002-03-29 00:00:00 | 1100 | 53.5 | F | DC link voltage too high.
63 | 2002-03-26 00:00:00 | 0130 | 2002-03-27 00:00:00 | 1215 | 35.25 | F | Battery charging voltage not ok.
78 | 2002-03-25 00:00:00 | 0500 | 2002-03-26 00:00:00 | 1300 | 32 | F | Lost commissioning.
80 | 2002-03-25 00:00:00 | 0800 | 2002-03-26 00:00:00 | 1400 | 30 | F | Lost commissioning and ratio gen/rotor speed.
13 | 2002-03-28 00:00:00 | 0500 | 2002-03-31 00:00:00 | 2400 | 91 | F | [NAME] piece inside CB-1 breaker.
100 | 2002-03-03 00:00:00 | 1500 | 2002-03-04 00:00:00 | 830 | 17.5 | F | CSC HUR had bad connection.
64 | 2002-03-03 00:00:00 | 1900 | 2002-03-04 00:00:00 | 930 | 14.5 | F | SEG lost commissioning
105 | 2002-03-03 00:00:00 | 2000 | 2002-03-04 00:00:00 | 900 | 13 | F | SEG lost commissioning
82 | 2002-03-03 00:00:00 | 2030 | 2002-03-04 00:00:00 | 830 | 12 | F | SEG lost commissioning
116 | 2002-03-20 00:00:00 | 2300 | 2002-03-21 00:00:00 | 1445 | 15.75 | F | Axis 2 lost zero
84 | 2002-03-18 00:00:00 | 0400 | 2002-03-23 00:00:00 | 1200 | 128 | F | Current asymmetry caused by burned wire.
108 | 2002-03-18 00:00:00 | 0500 | 2002-03-23 00:00:00 | 1330 | 128.5 | F | Axis 2 pitch problem caused by loose wire at thyristor driver
58 | 2002-03-25 00:00:00 | 0400 | 2002-03-27 00:00:00 | 1030 | 54.5 | F | Safety chain problem
59 | 2002-03-24 00:00:00 | 0500 | 2002-03-27 00:00:00 | 1130 | 78.5 | F | Brake sensor shorting out on reset
91 | 2002-03-24 00:00:00 | 0900 | 2002-03-25 00:00:00 | 1800 | 33 | F | Axis 1 lost zero
70 | 2002-03-24 00:00:00 | 0700 | 2002-03-25 00:00:00 | 1600 | 33 | F | SEG lost commissioning
88 | 2002-03-19 00:00:00 | 1015 | 2002-03-22 00:00:00 | 2000 | 81.75 | F | DC link voltage too high.
4 | 2002-03-25 00:00:00 | 0130 | 2002-03-26 00:00:00 | 1100 | 33.5 | F | Various converter faults.  Replaced CSC HUR
4 | 2002-03-30 00:00:00 | 1230 | 2002-03-31 00:00:00 | 2400 | 35.5 | F | Battery charging voltage not ok.
116 | 2002-03-20 00:00:00 | 2300 | 2002-03-21 00:00:00 | 1600 | 17 | F | Axis 1 lost zero
4 | 2002-03-25 00:00:00 | 0500 | 2002-03-28 00:00:00 | 0900 | 76 | F | Replaced CSC HUR.
103 | 2002-03-30 00:00:00 | 1030 | 2002-03-31 00:00:00 | 2400 | 37.5 | F | SEG lost commissioning
70 | 2002-03-30 00:00:00 | 1800 | 2002-03-31 00:00:00 | 2400 | 30 | F | Generator fan motor shaft broke.
108 | 2002-03-30 00:00:00 | 0300 | 2002-03-31 00:00:00 | 1130 | 32.5 | F | CCU collective faults
70 | 2002-03-30 00:00:00 | 0600 | 2002-03-31 00:00:00 | 1030 | 28.5 | F | Faulted on Overload top box due to broken fan motor shaft on gen cooling fan.
100 | 2002-03-18 00:00:00 | 2245 | 2002-03-23 00:00:00 | 0900 | 106.25 | F | Safety chain problem
67 | 2002-03-01 00:00:00 | 0000 | 2002-03-31 00:00:00 | 2400 | 744 | F | Tower cables are burned.
59 | 2002-03-28 00:00:00 | 2200 | 2002-03-29 00:00:00 | 1030 | 12.5 | F | Feedback CCU
118 | 2002-03-28 00:00:00 | 1200 | 2002-03-29 00:00:00 | 1130 | 23.5 | F | MS-3 failed.
61 | 2002-03-28 00:00:00 | 1700 | 2002-03-29 00:00:00 | 1330 | 20.5 | F | MS-3 failed.
4 | 2002-03-28 00:00:00 | 1600 | 2002-03-31 00:00:00 | 1515 | 71.25 | F | Converter faults
105 | 2002-03-29 00:00:00 | 2345 | 2002-03-31 00:00:00 | 2400 | 48.25 | F | Axis 1 pitch problems
61 | 2002-03-01 00:00:00 | 0000 | 2002-03-04 00:00:00 | 1830 | 90.5 | F | Replaced slipring on gearbox.  Had to wait for part to come in.
76 | 2002-03-01 00:00:00 | 0000 | 2002-03-04 00:00:00 | 1230 | 84.5 | F | Intermittent ground fault in hub.
51 | 2002-03-03 00:00:00 | 1730 | 2002-03-04 00:00:00 | 1400 | 20.5 | F | Collective disturbiance pitch controller
53 | 2002-03-04 00:00:00 | 1430 | 2002-03-05 00:00:00 | 1200 | 21.5 | F | PMT and CB-1 tripped.
70 | 2002-03-06 00:00:00 | 1200 | 2002-03-07 00:00:00 | 1500 | 27 | F | SEG lost commissioning
41 | 2002-03-07 00:00:00 | 0530 | 2002-03-11 00:00:00 | 1200 | 102.5 | F | Replaced damaged generator encoder cable and rotor cable in generator j-box
81 | 2002-03-11 00:00:00 | 1300 | 2002-03-15 00:00:00 | 1500 | 98 | F | Blade closeout came loose
86 | 2002-03-11 00:00:00 | 1230 | 2002-03-18 00:00:00 | 1900 | 174.5 | F | Top IGBT rack had bad filter.  Had to wait for part
121 | 2002-03-11 00:00:00 | 1730 | 2002-03-13 00:00:00 | 1230 | 43 | F | MS-3 failed.  Had to wait for part
91 | 2002-03-14 00:00:00 | 0900 | 2002-03-14 00:00:00 | 830 | 23.5 | F | MS-3 failed.
105 | 2002-03-16 00:00:00 | 0230 | 2002-03-18 00:00:00 | 1145 | 57.25 | F | Battery charging voltage not ok.
61 | 2002-03-17 00:00:00 | 0330 | 2002-03-21 00:00:00 | 1200 | 104.5 | F | Blade closeout bolt fell out and broke sight glass
41 | 2002-03-16 00:00:00 | 0645 | 2002-03-18 00:00:00 | 0745 | 49 | F | PMT tripped.
15 | 2002-03-18 00:00:00 | 1430 | 2002-03-31 00:00:00 | 2400 | 321.5 | F | Top IGBT rack went out.
53 | 2002-03-20 00:00:00 | 0800 | 2002-03-24 00:00:00 | 1445 | 102.75 | F | Engineering was repairing some test equipment in the gearbox.
102 | 2002-03-19 00:00:00 | 1330 | 2002-03-21 00:00:00 | 1000 | 44.5 | F | MS-3 failed.