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Measuring and Analyzing Voltage Regulation

Category: ProVision, PMI Products, Power Quality, PQ Data Analysis, Using PMI Recorders

Measuring and Analyzing Voltage RegulationMeasuring-and-Analyzing-Voltage-Regulation

Learn how to easily measure and analyze voltage regulation using PMI's Guardian or Revolution recorder and ProVision software.


Utilities are generally required to ensure the delivered steady-state voltage is within the limits specified in ANSI C84.1. Persistent under- or over-voltage can result in customer complaints of frequent blown light bulbs, overheated motors, and equipment damage.


Generally speaking, ANSI C84.1 specifies limits of 5% above and 5% below the voltage nominal at the service entrance. For example, with a 120V nominal, these limits would be 126V and 114V, respectively.


Another standard of note is ITIC (formerly CBEMA) standard, intended to be a performance-oriented standard for electronics equipment manufacturers. ITIC specifies more lax limits of 10% above and below the nominal voltage in the case of steady-state voltages...


This White Paper Includes:

  • Voltage Regulation Basics
  • The Problem
  • Recording
  • Analysis
  • Presentation
  • Simplification

Download White Paper Here