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DV Power TRT33B User Manual

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TRT3x
THREE-PHASE TRANSFORMER
TURNS-RATIO TEST INSTRUMENT
Manual
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DV Power TRT33B Specifications

General IconGeneral
Accuracy±0.1%
Phase Angle Accuracy±0.1°
Frequency50/60 Hz
TypeTransformer Ratio Tester
Phase Angle Measurement Range±180°
Power Supply50/60 Hz
Current Range10 A

Summary

1 Introduction

1.1 Safety Instructions

Safety is the responsibility of the user. Read instructions carefully before operating TRT3x.

1.4 Intended Use

Describes primary functions: turns ratio, phase shift, and excitation current measurement.

2 Description

2.1 Front Panel Components

Identifies and explains the function of each component on the TRT3x front panel.

3 Getting Started

3.1 Connecting TRT3x to a Test Object

Step-by-step verification before connecting TRT3x to a test object, including grounding and cable connection order.

3.2 Setting the Measurement Parameters

Guides users on selecting test modes, vector groups, and test voltages via configuration menus.

4 Error Messages

4.1 Error Message “Excitation current too high”

Indicates excitation current exceeds expected values; suggests checking test voltage or connections.

4.2 Error Message “Turns ratio too low”

Displayed if transformer turns ratio is below 0.8; suggests checking H and X cable placement.

4.3 Error Message “Malfunction

Indicates an internal error. Restart the device; contact support if the error persists.

4.8 Error Message “Emergency Stop

Displayed when the 'Emergency stop' button on the front panel is pressed.

5 Troubleshooting Guide

Troubleshooting Procedure

Provides steps for diagnosing and resolving issues with wrong measurement results on three-phase transformers.

6 Customer Service

Customer Service Contact

Steps to take before contacting support, including contact details for local and international assistance.

7 Packing the Instrument for Shipment

Packing Instructions

Guidelines for preparing the instrument for shipment, including cable removal and protective packaging.

8 Technical Data

8.1 Mains Power Supply

Specifies voltage, frequency, input power, and fuse details for the TRT3x.

8.3 Measurement

Details turns ratio, excitation current, and phase angle measurement ranges, accuracy, and resolution.

9 Accessories

Included Accessories

Lists essential accessories included with the TRT3x, such as software and cables.

Recommended and Optional Accessories

Lists extension cables, cases, printer, and other optional items for purchase.

Manufacturer Contact Information

Contact Details

Provides IBEKO Power AB's address, phone number, fax, email, and website for support and inquiries.

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