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Infracademy

Harmonics & Power Quality: Diagnosing Converter/Resonance Issues & Applying Fixes That Stick


“Fix harmonics for good: Diagnose distortion and apply lasting solutions for traction power stability.”

About This Course

Harmonic distortion and poor power quality are silent threats to rail electrification systems. They cause converter and transformer heating, resonance-induced failures, and traction power instability, leading to costly outages and compliance breaches. Temporary fixes often fail under real-world conditions, resulting in recurring problems and wasted investment.

This course provides a practical, standards-aligned approach to diagnosing and mitigating harmonics in traction networks. Participants will learn how to identify distortion sources, assess resonance risks, and implement corrective measures that deliver lasting results. The course covers IEC 61000‑3 and IEEE 519 compliance, filter tuning strategies, SCADA integration for dynamic control, and cyber baselines for secure operation.

Key benefits include:

·        Compliance assurance: Meet IEC and IEEE standards for harmonic limits and power quality.

·        Risk reduction: Prevent thermal stress, resonance failures, and nuisance trips.

·        Cost optimisation: Avoid equipment damage and service disruptions through proactive design and monitoring.

·        Operational reliability: Maintain stable traction power performance under dynamic load conditions.

Through real-world examples and scenario-based reasoning, learners will gain actionable insights to manage harmonic mitigation throughout the project lifecycle—from design and commissioning to maintenance and performance optimisation. Whether you are delivering a metro upgrade or a mainline electrification project, this course equips you with the tools to ensure efficiency, compliance, and reliability.

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