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Omicron Lab CT Analyzer User Manual

Omicron Lab CT Analyzer
254 pages
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CT Analyzer & CT SB2
User Manual

Table of Contents

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Omicron Lab CT Analyzer Specifications

General IconGeneral
BrandOmicron Lab
ModelCT Analyzer
CategoryMeasuring Instruments
LanguageEnglish

Summary

Preface

Operator Qualifications and Safety Standards

Details personnel requirements and safety standards for operating the CT SB2 with the CT Analyzer.

Safety Rules

General Rules for Safe Operation

Outlines essential safety rules for operating the CT Analyzer, including disconnection and grounding.

General

Outlines five fundamental safety rules to be observed during operation of the CT SB2.

Safe Operation

Provides crucial safety guidelines for operating the CT SB2, including grounding, avoiding modifications, and handling cables.

Functional Components of the CT Analyzer

Remote Control Interface (PC Connection)

Explains the USB and RS232 interfaces for connecting the CT Analyzer to a PC and recommends USB for speed.

Setup and Connection

General Safety Rules for Connecting and Operating the CT Analyzer

Provides crucial safety rules for connecting and operating the CT Analyzer, emphasizing hazard warnings.

Connecting the CT Analyzer to a PC (optional)

Explains how to connect the CT Analyzer to a PC using USB or RS232 interfaces and the necessary settings.

Connection for Usual Applications

Covers standard connection procedures for CT testing, burden, and primary resistance measurements.

Wiring for a CT Test

Shows the basic wiring diagram for performing a CT test and outlines important connection precautions.

Wiring for a Burden Test

Illustrates the wiring setup for measuring the CT's secondary burden impedance and highlights potential measurement errors.

Wiring for Primary Resistance Measurement

Provides the wiring diagram for measuring the primary winding resistance of a CT, emphasizing safety and connection details.

VT Ratio Measurement Using QuickTest

Describes how to measure VT ratios using the Quick Test function, including connection details and safety warnings.

Polarity Check Using QuickTest and the CPOL Polarity Checker

Details how to perform polarity checks using Quick Test and the CPOL Polarity Checker, including wiring and procedure.

Improving the Quality of Measurement Results

4-Wire Measurement vs. 2-Wire Measurement

Compares 4-wire and 2-wire measurement techniques, recommending 4-wire for clamp connections to avoid errors.

Short Guide for Running a CT Test

Running a CT Test (Detailed)

Preparing and Configuring the Test

Details how to prepare and configure a new CT test, including selecting test cards and entering CT name plate data.

Running the Automatic Test and Connecting the CT Analyzer

Explains how to start the automatic test and connect the CT Analyzer, including wiring checks.

Operating and Configuring the CT Analyzer

The CT Analyzer Test Cards

CT-Object Card

Common Parameters and settings displayed for all standards, CT types and classes

Specific parameters and settings displayed for IEC 60044-6

Specific parameters and settings displayed for IEC 61869-2 protection CTs

Specific parameters and settings displayed for IEC 61869-2 metering CTs

Specific parameters and settings displayed for IEEE C57.13 protection CTs

Specific parameters and settings displayed for IEEE C57.13 metering CTs

Burden Card

Residual Magnetism Card

Resistance Card

Excitation Card

Ratio Card

Assessment Card

CT Testing Using the Guesser Function

Using the Quick Test Feature

Safety Notes and Notes for Using Quick Test

Provides important safety notes and considerations when using the Quick Test feature, including warnings about VT ratio and DC current.

Performing Measurements with Quick Test

Outlines the steps to perform measurements using the Quick Test feature, including selecting measurement types and starting/stopping.

Advanced Measurement

Describes the Advanced measurement type offering comprehensive multimeter functionality and adjustable measurement quantities.

CT Ratio Measurement

VT Ratio Measurement

Resistance Measurement

Impedance Measurement

Reactance Measurement

CT Analyzer PC Toolset

Technical Data

Specifications

Provides technical specifications for the CT SB2, including mains connection, voltage, fuses, and output voltage.

Safety Standards, Electromagnetic Compatibility (EMC)

Lists CE conformity requirements, EMC standards (Emission, Immunity), and certified safety standards for the CT SB2.

Error and Warning Messages

Warning [901.xxx] Protective earth (PE) connection in power supply cord missing.

Addresses warnings about missing protective earth connection, emphasizing lethal voltage risks and proper grounding.

Warning [903.xxx] Excessive reverse power, don't disconnect any wires, don't switch off mains, wait until power is dissipated.

Warns about excessive reverse power, advising against disconnection and recommending waiting for power dissipation.

Introduction and Designated Use

The CT SB2 switch box is an accessory for the CT Analyzer...

Defines the CT SB2 as an accessory for the CT Analyzer, intended for multi-ratio CT testing and other applications.

Hardware

Measurement Setup

Connecting the Communication Link Between CT SB2 and CT Analyzer

Explains how to establish the communication link between the CT SB2 and CT Analyzer, considering PC connectivity.

Basic Measurement Setup for Multi-Ratio CT Testing

Shows the basic wiring setup for multi-ratio CT testing using the CT SB2, including tap connections.

Short Guide for Multi-Ratio CT Testing Using the CT SB2

Configuring and Starting the Test

Explains how to configure and start a multi-ratio CT test by selecting test cards and entering CT data.

CT Analyzer Test Cards for Multi-Ratio CT Testing

CT-Object Card for Multi-Ratio CT Testing

Details how to use the CT-Object card to specify CT data for multi-ratio testing, including standard, P/M, I-pn, I-sn, Class, VA, and cos phi.

MR-Config. Card

Explains how to use the MR-Config. card to configure multi-ratio CT tests, including setting tap numbers and combinations.

MR-Results Card

Introduces the MR-Results card for displaying measurement results for enabled tap combinations, noting it can show ratio or excitation results.

Error and Warning Messages for the CT SB2

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