Megger MWA330A Transformer Test Device Manuals

Manuals and User Guides for Megger MWA330A Transformer Test Device. We have 1 Megger MWA330A Transformer Test Device manual available for free PDF download: Instruction Manual

Megger MWA330A Instruction Manual

Megger MWA330A Instruction Manual (68 pages)

Three-Phase Ratio & Winding Resistance Transformer Test Set

Brand: Megger | Category: Test Equipment | Size: 1 MB

Table of Contents

Table of Contents
5
Mwa300 Product Overview
9
Safety
13
Specifications
15
Electrical
15
Input Power
15
Protective Devices (Fuses)
15
Ratio Specifications
16
Output AC Test Voltage and Current
16
Test Frequency
16
Loading of Test Transformer
16
Measuring Ranges
16
Accuracy
16
Measurement Method
17
Transformer Winding Phase Relationship
17
Measuring Time
17
Winding Resistance Specifications
17
DC Output Current (User Selectable Ranges)
17
Open Circuit Test Voltage
17
Measurement Voltage
17
Max Power
17
Resistance Ranges
18
Display
18
Memory Storage
18
Communication Interface
18
Safety/Emc/Vibration
18
Environmental Conditions
19
Physical Data
19
Software Installation
21
Powerdb Lite Setup & Installation (PC Control Only)
21
Software Installation (PC Portion Only)
22
General Testing Procedures
23
Getting Started
23
Three-Phase Ttr & Winding Resistance Testing
27
Select 3Ɵ Turns Ratio & Winding Resistance Form
27
Test Form Controls - General
28
Form Settings
29
Tap Settings
30
Resistance/Ratio Settings
31
Transformer Nameplate
32
Transformer Test Conditions
33
Ratio Test Set up
33
Ratio Test
34
Winding Resistance Testing
35
Method 1 - Resistance Test Wizard
36
Method 2 - Measuring Tap - All Phases Winding Resistance
37
Method 3 - Measuring Individual Tap Winding
38
Resistance Test Screen
39
Basic Connections to MWA300/330A
40
Transformer Testing Applications - Ratio & Winding
41
Single-Phase, Two-Winding Transformers -Including Typical Pole Type Transformers with Dual Secondary's
42
Three-Phase, Two-Winding Transformers
45
Three-Phase, Three-Winding Transformers
47
Current Transformers (Cts)
47
Unmounted Cts
48
Bushing Current Transformer (BCT) Mounted on Single-Phase, Two-Winding Transformer
50
Bushing Current Transformer (BCT) Mounted on Three-Phase Transformers
51
Test & Results Files - Saving and Retrieving
55
Saving Results/Test Files
55
Retrieving Results/Test Files
56
Service
59
Maintenance
59
Calibration
59
Ratio Portion - Self-Check
59
Reason for Possible Inaccuracy in 1:1 Self-Test
60
Troubleshooting
61
Resolving MWA Connection Issues (PC Portion Only)
61
Ratio Testing
63
Error Messages
63
The TTR Troubleshooting Guide
65
Repairs
66
Ordering Information / Spare Parts
67

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