Harmonic Studies
Ensuring power quality and system performance through comprehensive harmonic analysis
What are Harmonic Studies?
Harmonic studies analyze the effects of non-linear loads that generate harmonics in electrical systems. Non-linear loads, such as variable frequency drives or power converters, draw non-sinusoidal currents under sinusoidal voltage, resulting in voltage and current distortions. With the proliferation of non-linear loads in industrial and commercial power systems, harmonic studies are essential for ensuring power quality and compliance with design, operational, and performance standards.
Why Harmonic Studies Matter
Critical applications that ensure power quality and system reliability
PCC Compliance
Ensuring voltage and current distortions meet limits at the point of common coupling (PCC) per utility standards.
Filter Design
Sizing and locating capacitors or filters to mitigate harmonics and optimize system performance.
Equipment Protection
Minimizing issues like capacitor failures, overheating, and malfunctions of transformers, motors, and control devices.
System Expansion
Addressing harmonics when adding significant non-linear loads to existing systems.
Integrated System Design
Integrating load flow, power factor correction, and harmonics to meet reactive power and performance requirements.
Our Harmonic Study Process
A systematic approach to comprehensive harmonic analysis
Data Collection
Gather comprehensive system data including single-line diagrams (SLD), voltage ratings, short circuit parameters, harmonic spectrum data, and detailed device specifications to ensure accurate modeling.
System Modeling
Build precise system models using industry-standard software such as ETAP, PSS®E, or PSCAD/EMTDC, ensuring accurate representation of all system components and their harmonic characteristics.
Analysis
Conduct comprehensive harmonic analysis using scenarios aligned with IEEE Std 3002.8-2018 and client specifications, evaluating system performance under various operating conditions.
Reporting
Prepare and deliver comprehensive technical reports with detailed findings, recommendations, and actionable solutions to optimize system performance and ensure compliance.
Industry Standards
Our harmonic studies comply with internationally recognized standards
IEEE 3002.8-2018
Recommended practices for conducting harmonic studies and ensuring comprehensive analysis methodologies.
IEEE 519™-2014
Requirements for harmonic control in electric power systems and distortion limits compliance.
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