Megger TTRU3 - Table of Contents

Contents
4 TTRU3 User Manual us.megger.com
Contents
1 Introduction ....................................................6
1.1 Receipt of product .........................................6
1.2 Product overview ...........................................6
1.3 Step Up vs Step Down ...................................6
1.4 Model Variation & Accessories .......................7
1.5 Top Panel ....................................................... 8
1.6 Side Panel ...................................................... 9
1.7 Quick Start & Feet ..........................................10
2 Safety ..............................................................12
2.1 Responsible User ............................................12
2.2 Symbols ......................................................... 12
2.3 General Precautions .......................................12
2.4 Input Power Precautions ................................13
3 Specifications .................................................14
4 Preparing for test ........................................... 14
4.1 Site preparations ............................................ 16
4.2 Making Circuit Connections ........................... 17
4.3 PC Software Installation .................................18
4.4 PC Software Update ......................................19
4.5 PowerDB Installation ...................................... 19
5 Operation .......................................................20
5.1 Initialization & Interface .................................20
5.2 Options ..........................................................20
5.3 Confirm/Cancel ..............................................20
5.4 Menu Bar .......................................................20
5.5 Home Screen .................................................21
5.6 Help Screen ...................................................21
5.7 Settings Screen ..............................................23
5.8 Measurement & Limits ...................................24
5.9 Transformer Nameplate ..................................24
5.10 Regional ......................................................27
5.11 Display .........................................................28
5.12 OLTC ...........................................................29
5.13 Administrative Settings ................................30
5.14 Quick Test Setup ..........................................30
5.15 Test in Progress ............................................31
5.16 Test Failed .................................................... 31
5.17 Test Success .................................................32
5.18 OLTC Tap Change Home Screen ...................34
5.19 New Test Plan ..............................................36
5.20 Auto OLTC Test in Progress ...........................40
5.21 Test failed ....................................................41
5.22 Test plan results ...........................................42