When a power transformer fails, the immediate challenge is operational. The critical, long-term challenge is understanding why. At MCF, we are a dedicated forensic engineering firm specializing in professional transformer failure analysis and testing services. We move beyond simple diagnostics to deliver an impartial, evidence-based determination of the failure’s root cause, providing you with the expert insights needed to manage assets, validate claims, and prevent future occurrences.
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We conduct in-depth investigations into all types and sizes of transformers. Our analysis determines not only the direct physical cause of failure but also contributing factors related to operation, maintenance, design, or manufacturing defects.
Our process begins at the failure location. Our engineers document the site, interview personnel, review operational data (e.g., SCADA logs), and conduct a thorough visual inspection of the transformer and its auxiliary components.
Evidence collected on-site is subjected to detailed analysis in a controlled environment. This includes:
Measures/analyzes the gases generated by thermal and electrical faults within the oil.
Testing for moisture content, dielectric strength, acidity, and interfacial tension (IFT) per applicable ASTM standards.
Physical disassembly and internal inspection of transformer components to locate the precise point of failure, including winding faults, insulation breakdown, or core damage.
As part of our comprehensive failure investigation services, we provide additional diagnostic testing to support our analysis and assess fleet condition:
We synthesize all data points—from the site inspection to lab results—to determine the definitive root cause. Our final report is a comprehensive document that clearly outlines the failure mode, the sequence of events, and the technical evidence supporting our conclusions.
In addition to failure investigations, we provide proactive condition assessment services for operational transformers to identify potential issues before they lead to costly failures. Our preventative assessment services help facility managers make informed decisions about maintenance scheduling, risk management, and asset replacement planning.
Through comprehensive diagnostic testing and condition monitoring, we evaluate transformer health and provide data-driven recommendations to optimize maintenance protocols, operational procedures, and system protection schemes. This proactive approach helps extend transformer life, improve system reliability, and prevent unexpected outages that can disrupt critical operations.
A typical MCF report includes an executive summary, background of the incident, a detailed methodology of the investigation, all collected data and test results, a step-by-step analysis of the failure, a definitive conclusion on the root cause, and actionable recommendations for prevention.
Yes. We are frequently retained to provide impartial, third-party engineering analysis for insurance claims, warranty claims, and litigation. Our engineers can serve as expert witnesses when required.
Identifying the point of failure (e.g., a winding short) is only part of the story. RCA determines why the short occurred (e.g., insulation degradation from chronic overheating). This deeper understanding is essential for preventing sister units from failing in the same manner.
When you require an unbiased, expert opinion, the qualifications of your engineering partner matter.
Make your next decision an informed one. Partner with MCF to understand the true cause of your equipment failure and build a more reliable future.
Contact our engineering team to discuss your case.
Our forensic engineering team provides professional analysis and expert testimony to strengthen your case. Don’t navigate complex technical evidence alone. Call Us Today (416) 900 6066
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