Megger SG32-1500M, Руководство пользователя

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SG32-UG-EN-V01 Dec 2016
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Table of Contents
1 SPECIFICATIONS ............................................................................................................................... 1
Supply ......................................................................................................................................................... 1
Input Voltage Source ............................................................................................................................ 1
Modes of Operation ................................................................................................................................. 1
HIGH VOLTAGE ............................................................................................................................... 1
Surge Impulse (Voltage Impulse) ..................................................................................................... 2
Arc Reflection & Arc Reflection (Multi-shot) Prelocating ........................................................... 2
ICE / Surge Pulse / Current Decoupling / Impulse Current Prelocating ................................ 2
LOW VOLTAGE ................................................................................................................................. 3
MTDR 100 (Time Domain Reflectometer, built into lid) ............................................................ 3
Metering ..................................................................................................................................................... 3
Environmental .......................................................................................................................................... 3
Safety .......................................................................................................................................................... 4
Dimensions & Weights ............................................................................................................................ 4
Accessories ................................................................................................................................................ 4
Standard (supplied with instrument) ................................................................................................... 4
Optional (not supplied as standard) .................................................................................................... 5
2 GETTING TO KNOW YOUR SG32-1500M ................................................................................. 7
Basic Operating Principle of User Interface ........................................................................................ 7
All Controls ............................................................................................................................................ 7
Overview of Methods available on the SG32-1500M ........................................................................ 7
TDR / Pulse Reflection ........................................................................................................................ 7
Arc Reflection ........................................................................................................................................ 7
Arc Reflection (Multi-shot) .................................................................................................................. 7
Differential Arc Reflection (DART) ................................................................................................... 8
ICE (Impulse Current, Surge Pulse or Current Decoupling) .......................................................... 8
Top Panel Controls .................................................................................................................................. 9
Metering ................................................................................................................................................... 12
External Connections ............................................................................................................................ 13
External Connections cont’d ................................................................................................................ 14
Integrated MTDR ................................................................................................................................... 15
3 SAFETY ................................................................................................................................................ 17
General Safety Precautions ................................................................................................................... 17
Handling Guidance ............................................................................................................................. 17
Safety in Using the SG System ............................................................................................................. 19
4 PREPARING FOR TEST .................................................................................................................. 21
IMPORTANT SAFETY WARNINGS ............................................................................................. 21
Site Preparation ....................................................................................................................................... 21
Making Connections .............................................................................................................................. 22
Earth (Ground) the Instrument......................................................................................................... 22
AC Supply Cord ................................................................................................................................... 22
HV-Return / Sheath / Concentric connection ............................................................................... 23
High Voltage Cable Connection ........................................................................................................ 23
Safety Zone ........................................................................................................................................... 23