Megger DELTA 4000 Manuals

Megger DELTA 4000 Manuals

Manuals and User Guides for Megger DELTA 4000. We have 1 Megger DELTA 4000 manual available for free PDF download: Reference Manual

Megger DELTA 4000 Reference Manual

Megger DELTA 4000 Reference Manual (48 pages)

12 kV Insulation Diagnostic System

Brand: Megger | Category: Test Equipment | Size: 2 MB

Table of Contents

Table of Contents
4
1 Introduction

6
2 Interpretation of Measurements

10
3 Testing Power System Components

16
- Transformers
  16
  - Introduction
    16
  - Definitions
    16
  - Two-Winding Transformers
    16
  - Three-Winding Transformers
    18
  - Autotransformers
    19
  - Transformer Excitation Current Tests
    19
  - Shunt Reactors
    21
  - Potential Transformers
    21
  - Current Transformers
    21
  - Voltage Regulators
    21
  - Dry-Type Transformers
    22
- Bushings
  22
  - Introduction
    22
  - Definitions
    22
  - Bushing Troubles
    24
  - Bushing Tests
    24
  - Inverted Tap to Center Conductor Test C1 (UST)
    26
  - Power and Dissipation Factor & Capacitance Test C2
    26
  - Hot Collar Test
    27
  - Spare Bushing Tests
    27
- Circuit Breakers
  28
  - Introduction
    28
  - Oil Circuit-Breakers
    28
  - Delta
    29
  - Air-Blast Circuit-Breakers
    30
  - SF 6 Circuit-Breakers
    31
  - Vacuum Circuit Breakers
    32
  - Air Magnetic Circuit-Breakers
    33
  - Oil Circuit Reclosers
    33
- Rotating Machines
  33
- Cables
  35
- Surge (Lightning) Arresters
  35
  - Introduction
    35
  - Test Connections
    36
  - Test Procedure
    36
  - Test Results
    36
- Liquids
  37
  - Test Procedure
    37
- Miscellaneous Assemblies and Components
  37
- High-Voltage Turns-Ratio Measurements
  38
  - Test Procedure
    38
  - Temperature Considerations
    38
Index

40
- References
  42
Appendix A

44
Temperature Correction Tables

44

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