Unitronics electric UM2B, User Manual

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TABLE OF CONTENTS
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TABLE OF CONTENTS
PROLOGUE _____________________________________________________________ 3
SYMBOLS _______________________________________________________________ 4
GUARANTEE ____________________________________________________________ 5
1.- INTRODUCTION ______________________________________________________ 6
2.- DESCRIPTION OF MEASURING METHOD _______________________________ 8
2.1.- Philosophy of the method ________________________________________________ 8
2.2.- Test characteristics _____________________________________________________ 9
2.3.- System behavior and important parameters during measurement ______________ 9
2.4.- ETPRA. Data interpretation _____________________________________________ 13
3.- UM2B EQUIPMENT___________________________________________________ 14
3.1.- Description of the product ______________________________________________ 14
3.2.- System elements _______________________________________________________ 15
3.3.- Physical description of equipment ________________________________________ 19
4.- PREPARATIONS BEFORE TO USE _____________________________________ 21
4.1.- Precautions in the area of installation _____________________________________ 22
4.2.- Equipment connection __________________________________________________ 23
4.3.- Disconnection of equipment _____________________________________________ 26
5.- SOFTWARE DESCRIPTION ____________________________________________ 27
5.1.- Introduction __________________________________________________________ 27
5.2.- Hardware dongle. Configuration menu ____________________________________ 29
5.3.- Test performance ______________________________________________________ 31
5.3.1.- Test identification _______________________________________________________ 33
5.3.2.- Transformer technical data ________________________________________________ 38
5.3.3.- Configuration of measurement _____________________________________________ 42
5.3.4.- Connection ____________________________________________________________ 44
5.3.5.- Measurements _________________________________________________________ 46
5.4.- Test analysis __________________________________________________________ 52
5.4.1.- Select test file __________________________________________________________ 53
5.4.2.- Transformer technical data ________________________________________________ 55
5.4.3.- Recovery voltage _______________________________________________________ 57
5.4.4.- Peak time _____________________________________________________________ 59
5.4.5.- Insulation resistance _____________________________________________________ 60