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GE Kelman Minitrans - User Manual

GE Kelman Minitrans
26 pages
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GEDE-GA_M-DLIS-TE.MA-006 Rev 2.2 5-Mar-20
GE
Grid Solutions
KelmanMinitrans
Operator Guide
Transformer Oil
Dissolved Gas and Moisture Monitor

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Summary

INTRODUCTION

1.1 Product Overview

Summarizes key features and characteristics of the Minitrans DGA system for transformer diagnostics.

1.2 Scope

Outlines the guide's coverage of LCD display, manual DGA sampling, and general maintenance activities.

SAFETY

2.1 Symbols

Explains the meaning of safety symbols used in the manual and on the Kelman Minitrans equipment.

2.2 Safety Statements

Lists essential safety statements that must be observed for installation and service activities of the product.

2.3 Hazardous Substances

Describes the nature and safety of expelled gases from the unit's exhaust vent.

TECHNICAL SPECIFICATION

COMPLIANCE

POWER

5.1 Introduction

Introduces the product's power-up procedure via the internal power switch and mentions startup heaters.

5.2 LED status indicators

Explains the meaning of the external sunlight-visible red (alarm) and green (power) LEDs on the front door.

5.3 Battery

Details the non-rechargeable lithium coin cell battery and steps for replacement, including data backup necessity.

5.4 Power-down procedure

Provides step-by-step instructions for safely powering down the product and associated transformer.

LCD DISPLAY PANEL

6.1 LCD Information Notices

Outlines information notices and data pages rendered on the LCD for normal operation and system status.

6.1.2 Manual Measurements

Details on starting, stopping, and viewing measurement data displayed on the LCD panel.

6.1.3 Manual Oil Sampling

Procedure for performing manual oil sampling when the product is in standby mode.

6.1.4 Further System Specifications

Information on communication channels and networking details for the Minitrans product.

6.2 Error Codes

Lists and explains the error codes displayed on the LCD panel for fault diagnosis and troubleshooting.

MANUAL OIL SAMPLING

7.1 Sampling Arrangement

Describes the optional oil sampling port and the manual sampling arrangement setup.

7.2 Sampling Process

Details the step-by-step process for obtaining a manual oil sample from the unit.

AIR FILTER CLEANING

OIL FILTER CLEANING

COMMUNICATIONS

MODBUS PROTOCOL

SERVICE LOGS

TECHNICAL SUPPORT

Appendix A: Time Sync Implementation

A.1 Time Format

Explains the data format options for synchronizing the product's clock time via Modbus registers.

A.2 UNIX Epoch register

Details the UNIX Epoch register for easier system integration and time synchronization.

A.2.3 Register Access Control

Explains how product registers are protected with access and modifier flags for security.

GE Kelman Minitrans Specifications

General IconGeneral
BrandGE
ModelKelman Minitrans
CategoryTransformer
LanguageEnglish

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