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EZ-ThumpV3

Megger EZ-ThumpV3 User Manual

Name: Megger EZ-ThumpV3
Brand: Megger
Rating: 5 (1 reviews)

59 pages

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EZTV3-UG-EN-V01

Feb 2022

User Manual

Portable

Fault Locating System

EZ-ThumpV3-3/4/12 kV

all V3 models

are MULTI SHOT only

Read this entire manual before operating

Valley Forge Corporate Center

2621 Van Buren Avenue

Norristown, PA 19403-2329

U.S.A.

610-676-8500

www.megger.com

Table of Contents7
Safety11
Precautions11
Warning and Caution Notices11
Working with the Product12
Operating Personnel12
Repair and Maintenance12
General Cautions and Warnings12
Intended Application12
What to Do if Equipment Malfunctions13
Five Safety Rules13
Important Safety Advisory Note - When Working with Hv Surge Generator / Thumper14
Requirements for Safe High Voltage Work Environment14
Technical Description16
System Description16
Functional Description16
Product Models17
Features17
Scope of Delivery18
Available Accessories18
Technical Data19
Control Elements, Indicators and Connectors20
Power Supply21
Battery Operation21
Introduction21
Battery Status and Automatic Shutoff21
Charging22
120/230V AC Line Operation23
Setting up the System24
Connection Diagram25
Connection Sequence25
Operating Instructions26
Power on the System26
Basics of Operation26
Operation with Rotary Knob26
High Voltage Control27
Safety Circuit27
Introduction27
Conditions of the Safety Circuit28
User Modes28
System Settings29
How to Perform a Test34
Detecting and Locating a Cable Fault in a Shielded Medium Voltage Power Cable34
Locating a Faulty Cable Segment (Sectionalizing)34
Introduction34
How to Determine the Faulted Section35
How to Verify a Faulted Cable Section37
Locating a Cable Fault (Shielded MV Power Cable)38
How to Test the Dielectric Strength of the Cable38
How to Pre-Locate the Fault40
Arc Reflection Method (ARM)40
Current Decoupling / Surge Pulse (ICE) NOT AVAILABLE in EZ-Thump Family42
How to Pinpoint a High Resistance (Flash-Over) Fault42
Detecting a Sheath Fault in a Shielded Medium Voltage Cable or a Ground Fault in an Unshielded, Low Voltage Cable (both Must be Directly Buried)44
How to Pinpoint a Sheath Fault in a Shielded Medium Voltage Cable or a Ground Fault in an Unshielded Low Voltage Cable (both Must be Directly Buried)46
CUSTOMIZE TDR FEATURES (Applicable to TDR and ARM Mode)47
Introduction47
Customized TDR Features48
Completing the Operation50
Advanced System Settings51
How to Edit the Cable List51
Introduction51
XML Structure of a Cable List File51
How to Edit the Cable List52
How to Setup Customer-Specific TDR Features53
How to Use Easyprot Software to Plot DC Hipot/Sheath Test Data55
CARE and MAINTENANCE56
Maintenance56
Storage56
Overview of TDR Features59

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Megger EZ-ThumpV3 Specifications

General

Brand	Megger
Model	EZ-ThumpV3
Category	Test Equipment
Language	English

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