Table of Contents
vi Baker DX 71-030 User Guide EN V10 www.megger.com
Armature Span Test Fixture 52
Armature Surge Test Accessory Setup 53
ATP02-C Test Clips 55
ATP02-P Test Probes 56
Low-voltage Test Probes 57
Low-voltage Coil Connection 57
Connecting High-voltage Leads to a Motor 58
Connecting Low-voltage Leads to a Motor 59
RIC Test Setup 60
8 — Procedures for Testing with the DX Host 61
Recommended Testing Sequence 61
Coil Resistance, Inductance, and Capacitance Tests Using the DX Host 61
DC Tests Using the DX Host 70
Surge Tests Using the DX Host 77
Partial Discharge Testing Overview and Preparation 81
Partial Discharge Testing–Three-phase Coil Mode 85
Determining a Known-good Coil to Use as a Reference 93
Surge Testing Procedure for Single-Coil Mode 98
Partial Discharge Testing–Single-coil Mode 104
Armature Span Tests Using the DX Host 111
Low-voltage Armature or Coil Tests Using the DX Host 115
Rotor Influence Check (RIC) Tests Using the DX Host 118
9 — Procedures for Testing with the Baker ZTX 123
Low-impedance Armature and Coil Testing Using the Baker ZTX 123
Troubleshooting 127
Self-help and Diagnostics 127
Applications: What to do First 128
Service: What to do First 130
Warranty Return 131
Technical Specifications, Calibration, and Applicable
Standards 133
Calibration Information 135
Applicable Standards 135
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