Power Quality & Harmonic Studies

Power quality issues such as harmonic distortion, voltage fluctuations, and unbalance can significantly impact system performance, equipment life, and regulatory compliance. With the increasing penetration of power electronic devices—including variable frequency drives (VFDs), converters, and renewable energy inverters—harmonic levels in modern power systems are rising.

These distortions can lead to overheating of equipment, misoperation of protection devices, increased losses, and premature failure of assets.

Techlabs provides comprehensive power quality and harmonic analysis services to identify sources of distortion, evaluate system-wide impact, and design effective mitigation solutions aligned with international standards.

CYMDIST – Advanced Distribution Network Analysis

Tools & Platforms

SKM PTW

  • Harmonic load flow and frequency domain analysis
  • Detailed modelling of nonlinear loads and converters
  • Integration with short circuit and protection studies

CYME

  • Harmonic propagation analysis in distribution networks
  • Impact of DER and inverter-based resources
  • Network-wide voltage distortion evaluation

Key Capabilities

  • Harmonic Load Flow Analysis: Evaluation of harmonic currents and voltages across the network
  • Total Harmonic Distortion (THD): Assessment at buses and critical nodes
  • Frequency Spectrum Analysis: Identification of dominant harmonic orders
  • Resonance Studies: Detection of amplification due to system parameters
  • Equipment Impact Analysis: Thermal and operational effects on assets
  • Filter Design: Passive and active harmonic mitigation solutions

Engineering Capabilities

  • Network-wide harmonic assessment
  • Identification of harmonic sources
  • Resonance risk evaluation
  • Equipment derating analysis
  • Compliance with IEEE 519 / IEC standards

Applications

  • Industrial plants with VFDs and converters
  • Solar PV and wind plants
  • Battery Energy Storage Systems
  • Data centers and commercial facilities
  • Distribution networks with high DER penetration

What We Deliver

  • Harmonic analysis reports
  • THD compliance evaluation
  • Identification of distortion sources
  • Filter design recommendations
  • Mitigation strategies
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