Burst Transformer – Electrical Problem Solved
Electrical engineering root cause analysis (RCA) related to burst transformer and related problem solved.
S Raghava Chari
Poorly Built Switchgears – Why Breaker Parts Tear apart or don’t work?
Electrical engineering root cause analysis (RCA) related to poorly built Switchgears and Why do breaker parts tear apart or don’t work?
Alternate 110 KV Connection to Feeder A
Electrical engineering root cause analysis (RCA) related to Alternate 110 KV connection to Feeder A.
Frequent Feeder-A Lightning Arrester (LA) Bursts – Root Cause Analysis
Electrical engineering root cause analysis (RCA) related to frequent feeder-A Lightning Arrester (LA) bursts problems and solutions.
11 kV, 3.3 kV, and 400 V systems insulation resistance (IR) Problems
Electrical engineering root cause analysis (RCA) related to 11 kV, 3.3 kV, and 400 V systems insulation resistance (IR) values made infinity forever.
Recurring Short Circuit Flash Overs Safety Hazards & Damages
Phase to Phase and or Phase to earth short circuit flashovers damaged the bus ducts, switchgears, transformers, and other electrical equipment.
A Large Gate Valve’s Failed Motorized Operation
A large gate valve’s failed motorized operation threatens NH3 plant guarantee test completion.
CO2 Absorber Corroded Wall Thickness & Weld Building
Every turnaround (TA) done CO2 Absorber corroded wall thickness weld building – a perennial problem resolved.
CO2 Stripper Collapsed Internals Revamp
Renewing the CO2 stripper collapsed internal trays was a recurring and expensive turnaround job since plant commissioning a decade ago.
Urea Reactor Top Bolted Plug developed Leaks
After several years of service the urea reactor top bolted plug developed leaks. This root cause analysis solved the problem.