
ANALYSIS OF FORCED OUTAGES - STPS SARNI 2009-10

OCTOBER
S.N.	DETAILS	DATE OF SHUTDOWN	DATE OF SYNCHRONISATION	PERIOD IN HR:MIN	MU LOST	REASON	CORRECTIVE ACTION TAKEN
	PLANNED
1	UNIT-2	11.09.2009	04.10.2009	557.58	34.87	A.O.H.

	FORCED
1	UNIT-1	04.10.2009	04.10.2009	0.37	0.04	TST	Getting normal parameters, Unit synchronised.
		07.10.2009	08.10.2009	4.27	0.28	TST MS TEMP LOW	Getting normal parameters, Unit synchronised.
		30.10.2009	31.10.2009	27.26	1.72	HT Incomer Breaker Flesh Over	Fault attended & Unit Synchronised.
2	UNIT-2	04.10.2009	10.10.2009	135.16	8.45	Turbine control valve problem	Fault attended & Unit Synchronised.
2	UNIT-2	10.10.2009	17.10.2009	156.51	9.80	Turbine control valve problem	Fault attended & Unit Synchronised.
3	UNIT-3	11.10.2009	11.10.2009	2.27	0.15	415 Volt Supply fail	Fault attended & Unit Synchronised.
4	UNIT-4	15.10.2009	1710.2009	32.12	2.01	Boiler T/L	Tube Leakage attended & Unit synch.
5	UNIT-5	NO TRIPPING
6	UNIT-6	21.10.2009	23.10.2009	47:25	9.48	Condenser Tube Leakage	Tube Leakage attended & Unit synch.
7	UNIT-7	03.10.2009	03.10.2009	0:30	0.11	PRDS control v/v fail	Fault attended & Unit Synchronised.
		05.10.2009	07.07.2009	51:50	10.89	Reheater Tube Leakage	Tube Leakage attended & Unit synch.
		08.10.2009	08.10.2009	07:35	1.59	Air Heater 7B Outage	Fault attended & Unit Synchronised.
		26.10.2009	26.10.2009	09:55	2.08	Hotwell level control V/v MC fail	Fault attended & Unit Synchronised.
7	UNIT-8	06.10.2009	06.10.2009	01:40	0.35	Furnace Draught High	Getting normal parameters, Unit synchronised.
		06.10.2009	06.10.2009	01:00	0.21	Furnace Draught High	Getting normal parameters, Unit synchronised.
		11.10.2009	12.10.2009	27:35	5.79	Condenser Vaccum problem	Getting normal parameters, Unit synchronised.
		13.10.2009	13.10.2009	02:50	0.60	PA fan 8B Temp. high	Fault attended & Unit Synchronised.
8	UNIT-9	30.10.2009	01.11.2009	33:50	7.11	LTSH T/L	Tube Leakage attended & Unit synch.



NOVEMBER
S.N.	DETAILS	DATE OF SHUTDOWN	DATE OF SYNCHRONISATION	PERIOD IN HR:MIN	MU LOST	REASON	CORRECTIVE ACTION TAKEN
	PLANNED
						NIL
	FORCED
1	UNIT-1	27.11.2009	28.11.2009	20:49	1.30	Water Wall Tube Leakage	Tube Leakage attended & Unit synch.
2	UNIT-2	05.11.2009	06.11.2009	35:37	2.23	Water Wall Tube Leakage	Tube Leakage attended & Unit synch.
2	UNIT-2	14.11.2009	14.11.2009	06:17	0.39	DMW Line leakage	Fault attended & Unit Synchronised.
3	UNIT-3	05.11.2009	06.11.2009	36:53	2.31	Water Wall Tube Leakage	Tube Leakage attended & Unit synch.
		13.11.2009	14.11.2009	03:26	0.22	BFP Outage	Fault attended & Unit Synchronised.
		14.11.2009	14.11.2009	01:30	0.07	Low Vaccum	Getting normal parameters, Unit synchronised.
4	UNIT-4	23.11.2009	26.11.2009	78:53	4.93	M.S. Temp. Low	Getting normal parameters, Unit synchronised.
4	UNIT-4	29.11.2009	30.11.2009	19:01	1.19	Primary S/H Tube Leakage	Tube Leakage attended & Unit synch.
5	UNIT-5	12.11.2009	14.11.2009	43:39	2.73	Condenser Tube Leakage	Tube Leakage attended & Unit synch.
5	UNIT-5	21.11.2009	21.11.2009	03:15	0.20	Low Vaccum	Getting normal parameters, Unit synchronised.
6	UNIT-6	NO TRIPPING
7	UNIT-7	12.11.2009	12.11.2009	02:40	0.56	PA Fan 7B Lube Line Leakage	Fault attended & Unit Synchronised.
7	UNIT-7	13.11.2009	16.11.2009	77:35	16.29	LTSH Tube Leakage	Tube Leakage attended & Unit synch.
8	UNIT-8	21.11.2009	21.11.2009	02:35	0.54	Turbine protection coil operated	Fault attended & Unit Synchronised.
8	UNIT-8	30.11.2009	30.11.2009	01:13	0.26	FSSS operated	Getting normal parameters, Unit synchronised.
9	UNIT-9	01.11.2009	01.11.2009	08:20	1.75	LTSH Tube Leakage	Tube Leakage attended & Unit synch.
		12.11.2009	14.11.2009	39:10	8.23	Economiser Tube Leakage	Tube Leakage attended & Unit synch.
		15.11.2009	17.11.2009	49:10	10.29	LTSH Tube Leakage	Tube Leakage attended & Unit synch.


DECEMBER
S.N.	DETAILS	DATE OF SHUTDOWN	DATE OF SYNCHRONISATION	PERIOD IN HR:MIN	MU LOST	REASON	CORRECTIVE ACTION TAKEN
	PLANNED
						NIL
	FORCED
1	UNIT-1	22.12.2009	22.12.2009	00:34	0.04	TST Low Vaccum	Getting normal parameters, Unit synchronised.
2	UNIT-2	17.12.2009	18.12.2009	20:12	1.26	TST Spray valve leakage	Getting normal parameters, Unit synchronised.
2	UNIT-2	22.12.2009	22.12.2009	02:16	0.14	TDT MS Temp drop	Getting normal parameters, Unit synchronised.
3	UNIT-3	NO TRIPPING
4	UNIT-4	07.12.2009	09.12.2009	41:17	2.58	PSH Tube Leakage	Tube Leakage attended & Unit synch.
5	UNIT-5	05.12.2009	07.12.2009	47:24	2.96	PSH Tube Leakage	Tube Leakage attended & Unit synch.
5	UNIT-5	07.12.2009	08.12.2009	33:19	2.08	Water Wall Tube Leakage	Tube Leakage attended & Unit synch.
6	UNIT-6	18.12.2009	19.12.2009	23:05	4.62	Non availability of coal,CHP problem	Unit Synchronised after resuming Coal Supply
		23.12.2009	23.12.2009	01:35	0.32	To attend R phase dropper of Generator bay No. 21	Fault attended & Unit Synchronised.
		29.12.2009	30.12.2009	31:00	6.20	Economiser Tube Lealage	Tube Leakage attended & Unit synch.
7	UNIT-7	NO TRIPPING
8	UNIT-8	13.12.2009	15.12.2009	50:22	10.58	PA Fan 8B Outage	Problem attended & Unit Synch.
		17.12.2009	18.12.2009	37:15	7.82	Furnace protection	Getting normal parameters, Unit synchronised.
		21.12.2009	21.12.2009	01:33	0.33	Furnace protection	Getting normal parameters, Unit synchronised.
		21.12.2009	21.12.2009	01:15	0.26	Furnace protection	Getting normal parameters, Unit synchronised.
		23.12.2009	25.12.2009	33:55	7.12	Water Wall Tube Leakage	Tube Leakage attended & Unit synch.
		27.12.2009	28.12.2009	11:45	2.47	PA Fan 8B Outage	Problem attended & Unit Synch.
9	UNIT-9	NO TRIPPING