Comprehensive resources for diagnosing, troubleshooting, and preventing electrical substation issues based on 20+ years of Substation experience.
Welcome to our website about fixing electrical substation faults and their troubleshooting. We share expert tips and solutions for transformers, circuit breakers, isolators, auxiliary systems, and other equipment based on real experience.
“Whether you’re looking to understand what a power substation is or comparing dry contact vs wet contact, we have in-depth guides to help you.”
YEARS FIELD EXPERIENCE
TECHNICAL ARTICLES
FAULT TYPES COVERED
ENGINEERS HELPED
// SUBSTATION FAULT CATEGORIES
In-depth troubleshooting of protection relay systems — overcurrent, differential, distance and earth fault relay diagnosis with real field settings.
Expert methods for diagnosing root causes of substation faults — systematic approaches and field-proven diagnostic tools for permanent fixes.
Substation preventive and predictive maintenance strategies to ensure long-term reliable operation and prevent unexpected outages.
Complete coverage of power transformer failure modes, Buchholz relay, DGA analysis, diagnostic tests and condition monitoring.
SF6, vacuum and oil circuit breaker failure guides — trip coil faults, gas leaks, mechanism jams and routine maintenance checklists.
Troubleshooting DC systems, battery chargers, control panels and auxiliary power supplies at all substation voltage levels.
// FIELD-PROVEN KNOWLEDGE
Every troubleshooting guide on this site comes from 26 years in the field — at National Grid Pakistan (NTDC) and Alfanar Construction Company in Saudi Arabia.
When you face an electrical substation fault at 2AM, you need answers that actually work — not textbook theory. That’s exactly what this platform delivers.
// BROWSE BY TOPIC
OVERCURRENT · DIFFERENTIAL · DISTANCE
POWER · DISTRIBUTION · BUCHHOLZ
SF6 · VACUUM · OIL TYPE
RTU · HMI · COMMUNICATION
BATTERY · CHARGER · DC PANELS
CT · VT · METERING
GROUNDING · EARTH FAULT · BONDING
PREVENTIVE · PREDICTIVE · TESTING
// LATEST KNOWLEDGE
⭐ FEATURED
A step-by-step field guide for setting differential protection on power transformers — from CT ratio selection to slope characteristic configuration.
TRANSFORMER
Why does the Buchholz relay trip? Complete breakdown of minor and major fault detection in power transformers.
MAINTENANCE
A step-by-step field guide for setting differential protection on power transformers — from CT ratio selection to slope characteristic configuration.
// WHY ENGINEERS TRUST US
Every troubleshooting guide is written from real substation fault experience — solutions that work on a live substation, not classroom theory.
We don't just tell you to reset the relay. We dig
into why the fault happened and how to permanently
prevent it from coming back.
5000+ electrical engineers and supervisors
worldwide rely on SubstationFaults.com to solve
complex substation problems faster and safer.
// STAY AHEAD OF FAULTS
Explore the world of elctrical substation faults and troubleshooting. Our blogs provides valueable insights,tips and guides to help you understand and address various issues in substation operations.
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