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Table of Contents
Title Page
Introduction .......................................................................................... 1
Information and PC Software CD..................................................... 1
Logger Power Supply ....................................................................... 2
Power Interruptions........................................................................... 2
Introduction to the Logging Functions.................................................. 2
Symbols............................................................................................ 4
Safety Instructions................................................................................ 4
Qualified Personnel........................................................................... 6
Standard Equipment and Optional Accessories ................................ 6
Features............................................................................................. 8
Power Network Configurations ........................................................ 10
Working with Logged Data............................................................... 10
Using the Logger .................................................................................. 11
Logging Jobs..................................................................................... 11
Preparing the Logger for Use............................................................ 12
Test Leads – Markings.................................................................. 14
Connecting Current Probes........................................................... 14
Logging with Voltage Converters................................................. 15
Connecting the Logger...................................................................... 15
Connections in 3-Phase 4-Wire (Wye) Systems ........................... 18
Connections in 3-Phase 3-Wire (Delta) Systems.......................... 19
Connections for Single-Phase Logging......................................... 20
Connections for Medium-Voltage Networks................................ 21
Phase-Phase Delta Logging .......................................................... 22
Phase-Ground, Wye-Logging ....................................................... 23
Logging with Two Voltage Converters and
Two Current Transformers............................................................ 24
Logging............................................................................................. 25
Completing the Logging Job......................................................... 26
Evaluating the Logged Data.............................................................. 27
Methods of Logging.............................................................................. 27
Measuring Ranges............................................................................. 27
Signal Sampling............................................................................ 28
Resolution Accuracy......................................................................... 28
Voltage Variations............................................................................ 29