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Key Changes in IEEE 519:2014 for Harmonic Control in Power Systems
This white paper reviews the major updates and clarifications introduced in the 2014 revision of IEEE 519, focusing on the supply side of the power grid. The paper details new definitions, measurement methods, updated current and voltage distortion limits, and revised recommendations for harmonic mitigation, making the standard more practical and easier to implement.
Key topics include:
- Introduction and Background
- Clarified Definition of Point of Common Coupling (PCC)
- Updated Total Demand Distortion (TDD) Definition
- New Harmonic Measurement and Recording Methods
- Revised Current Distortion Limit
- Updated Voltage Distortion Limits
- Harmonic Limit Multipliers and Mitigation Techniques
Why utilities should care:
The clarified definitions, streamlined measurement protocols, and updated distortion limits enable more accurate compliance, improved power quality, and reduced ambiguity in system design and operation, supporting efficient grid management and regulatory adherence.
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