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Megger DELTA4000 User Manual

Megger DELTA4000
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AVTMDELTA4000-EN
Rev 6
April 2018
Instruction Manual
DELTA4000
12-kV Insulation Diagnostic System
HIGH VOLTAGE EQUIPMENT
Read this entire manual before operating.
M
Valley Forge Corporate Center
2621 Van Buren Avenue
Norristown, PA 19403-2329
U.S.A.
610-676-8500
www.megger.com
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Megger DELTA4000 Specifications

General IconGeneral
Power Supply100-240 VAC, 50/60 Hz
Operating Temperature-10 °C to +50 °C
Measurement ParametersTan Delta, Capacitance
Accuracy (Capacitance)± (0.5% + 1 pF)
DisplayLCD
Communication InterfaceUSB, Ethernet

Summary

Introduction to DELTA4000

Receiving Instructions

Check received equipment against packing list and report shortages or damage to the carrier.

General Information

Overview of the DELTA4000 system for testing high-voltage electrical insulating systems up to 12 kV.

Safety Guidelines for DELTA4000

Precautions

Essential safety measures for operating high-voltage equipment to prevent electric shock hazards.

Warning and Caution Notices

Definitions and importance of warning and caution notices used throughout the manual.

DELTA4000 Specifications

Technical Specifications

Detailed electrical and physical specifications of the DELTA4000 test set.

Test Modes

Description of supported test modes like Ungrounded Specimen Testing (UST) and Grounded Specimen Testing (GST).

Maximum Specimen Capacitance

Table detailing maximum measurable specimen capacitance at various voltages and loading times.

Safety Features

Key safety features integrated into the DELTA4000 for user and equipment protection.

Accessories

Lists of included and optional accessories for the DELTA4000 test set.

Controls, Indicators, and Connectors

Control Unit Side Panel

Identification and function of controls and connectors on the DELTA4000 control unit side panel.

High Voltage Unit Connector Panel

Description of connector panel on the HV unit, including HV OUTPUT and GROUND connections.

DELTA4310A Top Panel Features

Features of the optional industrial 12-inch controller for the DELTA4310A.

Setup and Operation

Safety Precautions

Critical safety warnings before setting up and operating the high-voltage test set.

Setup

General guide and diagrams for setting up the test set for various transformer tests.

Delta Control User Interface

Operation

Explanation of the Delta Control software interface for test mode selection and operation.

Test Mode Examples

Illustrates typical test setups for two-winding and three-winding transformer tests.

Voltage Control

Details on how to use the voltage control interface for setting and adjusting test voltages.

Settings

Configuration options within the Delta Control software for test parameters and preferences.

PowerDB User Interface

Introduction to PowerDB

Overview of PowerDB Lite for asset-based testing and data management with DELTA4000.

Software Installation

Step-by-step guide for installing the PowerDB Lite software on a computer.

Nameplate Header Input

Guidance on entering transformer nameplate data for test setup and correction.

Performing Tests within Forms

Transformer Overall Tests

Detailed procedures for performing overall insulation tests on transformers.

Bushing C1 Tests

Steps for measuring the C1 insulation of transformer bushings.

Bushing C2 Tests

Procedures for measuring the C2 insulation of transformer bushings.

Exciting Current Tests

Methods for measuring excitation current to identify transformer core and coil defects.

Maintenance and Calibration

Maintenance

Guidelines for performing routine maintenance and cleaning of the DELTA4000.

Calibration

Information on calibration procedures and recommended intervals for accuracy checks.

Troubleshooting General Guidelines

General guidelines and procedures for basic troubleshooting of the DELTA4000.

Open Air Test

Procedure to check overall functionality and stray signal losses of the DELTA4000 and cable.

Repair

Information on the repair service offered by Megger for equipment malfunction.