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Safeguarding Transformer Health: Identifying and Managing Impact Loads with PQ Canvass

This white paper explores the risks posed by frequent, high-current impact loads on transformers, highlighting how such surges—often exceeding transformer ratings—can degrade reliability and lifespan. It details causes, detection methods using PQ Canvass, and mitigation strategies, emphasizing the importance of accounting for both steady-state and inrush currents to prevent premature transformer failure.

Key topics include:

- Causes of Impact Loads
- Issues from Impact Loads
- Detecting Impact Loads in PQ Canvass
- Mitigating Impact Loads

Why utilities should care:
Understanding and managing impact loads is crucial for reducing transformer failures, minimizing costly downtime, and extending asset life. Accurate detection and proper transformer sizing ensure system reliability and protect critical infrastructure investments.


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