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Using Standard Deviation To Get More from Daily Profiles

Category: PQ Theory, PMI Products, Canvass, PQ Data Analysis

Discover how Daily Profile Graphs are useful to a power quality expert.


The Canvass power quality portal provides the user many different tools for analyzing voltage, current and power over considerable periods of time.


One such tool is the Daily Profile Graph, which allows the user to view average readings over a specific time period.


While other white papers have given an overview of this graph, this whitepaper is going to focus in on one specific feature of the Daily Profile Graph: the Standard Deviation Overlay.


The Daily Profile Graph alone provides a look into the average readings of a user-defined period of time (the default is seven days).


A time period of days is specified by a user and Canvass will average the readings taken over that range, second-by-second, to present the user with the average voltages for each second of the day in a 24-hour day over the specified time range.


This in itself can be tremendously useful...


This white paper includes:

  • Daily Profile Overview
  • Getting More Out of Daily Profiles with Standard Deviation
  • Closer Analysis

Download White Paper Here