Chapter 13

Unbalance

Introduction

Unbalance displays phase relations between voltages and currents. Measuring results are based upon the fundamental frequency component (60 or 50 Hz using method of symmetrical components). In a 3-phase power system, the phase shift between voltages and between currents should be close to 120°. Unbalance mode offers a Meter screen, a related Trend display, and a Phasor display.

Meter screen

To access the Unbalance Meter screen:

c

MENU

d

 

e

ENTER

13-1

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Fluke 435 user manual Unbalance, Introduction
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