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Megger VLF Sinus User Manual

Megger VLF Sinus
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VLF Sinus 34 kV
VLF Test System
USER GUIDE
Issue: A (05/2022) - EN
Article number: 128312971
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Megger VLF Sinus Specifications

General IconGeneral
Frequency Range0.01 Hz to 0.1 Hz
WaveformSinusoidal
Power Supply230 V AC, 50/60 Hz
Test CableShielded HV cable
Tan DeltaIntegrated Tan Delta measurement
Voltage Accuracy±1%

Summary

Consultation with Megger

Terms of Warranty

Safety Advices

General Notes

Provides general instructions on commissioning and operating the VLF Sinus 34 kV safely.

General Cautions and Warnings

Outlines important safety precautions and warnings for operating the system.

Intended application

Explains safe operation is only when using the equipment for its intended purpose.

Five safety rules

Lists five essential safety rules for working with High Voltage (HV).

Dangers when operating with HV

Technical Description

General Description

Explains the VLF Sinus test system's capabilities for medium-voltage cable testing.

Features

Lists the main features and functions of the VLF Sinus test system.

Scope of delivery

Details the components included in the test system's delivery package.

Technical Data

Lists the technical parameters and specifications of the VLF Sinus 34 kV test system.

Testable Cable Capacities

Connectors and Controls

Setting Up the System

Safety instructions for setting up

Provides essential safety instructions to follow when setting up the test system.

Electrical Connection

Outlines critical safety instructions for making electrical connections to the test object.

Connection diagram

Shows simplified connection diagrams for cable testing and sheath testing.

Connection sequence

Details the step-by-step procedure for connecting the test system.

Switching On the System

Stand-Alone Operation

Basics of Operation

Describes navigation within menus using the rotary encoder and basic operations.

Switching high voltage on / off

Explains how to switch high voltage on and off using the system buttons.

Use of a USB stick

Details how to use a USB stick for firmware updates and logging test data.

Safety Measures

Explains the system's safety circuit and conditions for high voltage operation.

Conditions of the safety circuit

Fault messages

Settings

Device Settings

Explains how to access and modify device settings like date, time, language, and updates.

Changing the Test Settings

Details how to select and configure different test modes and parameters.

Recommendations for selection of test voltage and duration

Provides accepted test parameters for different cable applications and their selection.

Adapting the test parameters

Explains how to adjust test settings such as test voltage and frequency.

Test duration

RMS | PEAK

Range

Duty Cycle

Testing / Pinpointing

Test sequence

Illustrates the principle test sequence flow chart.

Status information during the test procedure

Explains how to interpret status information displayed during AC and DC modes.

Detail view

Describes how to access and interpret detailed measurement parameters and diagrams.

Completion / Cancellation of a test

Explains the different ways a test can be completed or interrupted.

Saving log data

Sheath pinpointing

Remote Control

Introduction

Introduces remote control capability for the VLF Sinus test system.

Specific electrical connections

Describes the electrical connections required for remote control operation.

Operation

Explains how the system operates in slave mode when controlled remotely via software.

Completing the Test

Further Processing of the Log Data

Introduction

Explains the types of log files generated and how they can be processed.

Log file names

Describes the naming convention for log files generated by the system.

Header file

Explains the content and purpose of the header log file.

Data file

Describes the content and format of the data log file.

Repair and Maintenance

Maintenance

Recommends regular servicing and checks for the equipment.

Behaviour at malfunction of normal operation

Advises on how to handle irregularities or malfunctions and reporting them.

Replacing fuses

Provides instructions on how to check and replace fuses in the system.

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