Transformer maintenance strategy based on improved risk assessment method considering operation and maintenance costs

Area of Science:

• Electrical Engineering
• Asset Management
• Risk Analysis

Background:

• Transformers are critical for industrial power supply, requiring high reliability.
• Current transformer maintenance strategies lack focus on specific failure modes, leading to inefficient resource allocation.
• Traditional risk assessment methods have limitations in factor consideration and weight allocation.

Purpose of the Study:

• To develop a cost-oriented maintenance strategy for transformers.
• To address the limitations of current maintenance strategies by considering specific failure modes.
• To improve the identification and prevention of transformer failures.

Main Methods:

• An improved risk analysis method was developed.
• The method incorporates specific transformer failure modes.
• A cost-oriented maintenance strategy was derived from the improved risk analysis.

Main Results:

• The study identified specific failure modes for transformers.
• An improved risk analysis method was successfully applied.
• A cost-oriented maintenance strategy tailored to failure modes was obtained.

Conclusions:

• The proposed method enhances transformer maintenance management.
• It enables more reasonable allocation of maintenance resources.
• The strategy effectively reduces overall maintenance costs and improves reliability.