Electrical Faults: Causes Analysis, Detection and Remedies
Details
Electrical Faults: Causes Analysis, Detection and Remedies
Fault Analysis
· Source of fault current
· Common fault
· Short-circuit rating of equipment
· Selecting the correct switchgear rating
· Overview of per-unit system
Outline
Fault Analysis
· Source of fault current
· Common fault
· Short-circuit rating of equipment
· Selecting the correct switchgear rating
· Overview of per-unit system
Three Phases short – circuit currents
· Manual calculation of three phase short circuit current
· Industrial system and fault current analysis ‘cable subjected to short circuit currents
· Compliance with reputation
Unsymmetrical fault conditions
· Overview of symmetrical components and faults
· Consideration of various fault type
· Sequence networks
· Phase shift in two winding transformer
· Earth impedance
· Three winding transformers
Representation of Unsymmetrical faults in power system
· Fault diagram of electrical equipment
· Interconnected sequence networks
· Fault current analysis software
Computer based calculation of faults
· Common network faults
· Industrial standard namely ANSI, NEC and NFPA to compliance
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