Fault Tree Analysis

Presented by K.CHELLAMUTHU FAULT TREE ANALYSIS UNIT - 3

DEFINITION ,[object Object],[object Object]

METHODOLOGY ,[object Object],[object Object],[object Object],[object Object]

STEPS IN CARRYING OUT A FAULT TREE ANALYSIS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SYMBOL REPRESENTATIONS Circle – it means that basic failure Diamond – it means that basic fault Rectangle – it means that resultant event Double diamond – represents an event House – represents the basic event

FAULT TREE CONSTRUCTION` ,[object Object],[object Object],INPUT OUTPUT X 1 X 3 X 2 X 4 SUB - SYSTEM (A) SUB - SYSTEM (B) For this the fault tree analysis diagram shown in next slide

F (S) F (A) F (B) F( X 1) F( X 3) F( X 2) F( X 4) AND OR AND

CONTINUE….. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

CALCULATION OF RELIABILITY FROM FAULT TREE ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],mains transformer generator Operation theatre

BLOCK DIAGRAM X 1 X 2 X 3 INPUT OUTPUT

Fault tree for problem F (S) AND OR A B C Main fails Transformer fails Generator fails

SOLUTION ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

USES ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Fault Tree Analysis

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Fault Tree Analysis