Power Quality yitingzh@buffalo.edu Contents 1 Introduction 2 - PowerPoint PPT Presentation

Power Quality yitingzh@buffalo.edu

Contents 1 Introduction 2 System disturbance 3 Harmonic distortion 4 Grounding www.themegallery.com

Introduction v Generation side v Demand side

Introduction v Three main parameters v Voltage v Current v Frequency

System disturbance-- Voltage v Transient Overvoltage Disturbances v Momentary Undewoltage Disturbances v Industry Standards

Harmonic Distortion--Frequency v Small Commercial and Office Building Systems v Large Commercial and Industrial Systems v Utility Systems v Industry Standards

Grounding-- Current

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