Megger MTO300 Manuals

Megger MTO300 Manuals

Manuals and User Guides for Megger MTO300. We have 1 Megger MTO300 manual available for free PDF download: Instruction Manual

Megger MTO300 Instruction Manual

Megger MTO300 Instruction Manual (42 pages)

Transformer winding resistance test set

Brand: Megger | Category: Test Equipment | Size: 3 MB

Table of Contents

Table of Contents
3
Upon Receipt of Product
6
MTO300 Transformer Test Set
6
MTO330A Transformer Test Set
6
Product Overview 300/330A
7
Top Panel Controls
7
Figure 1: MTO300 Front Panel
7
Figure 2: MTO330A Front Panel
7
MTO330A Top Panel Facilities
10
Figure 3: MTO330A Optional Controller with Display
10
Safety
11
Safety Is the Responsibility of the User
11
General Safety Precautions
11
Input Power Precautions
11
PC Interface Precautions
12
Specifications
13
Electrical
13
Input Power
13
Protective Devices (Fuses)
13
Winding Resistance Specifications
13
DC Output Current (User Selectable Ranges)
13
Open Circuit Test Voltage
13
Measurement Voltage
13
Max Power
13
Resistance Ranges
14
Display
14
Memory Storage
14
Communication Interface
14
Safety/Emc/Vibration
14
Environmental Conditions
14
Physical Data
15
Software Installation
16
Powerdb Lite Setup & Installation (PC Control Only)
16
Software Installation (PC Portion Only)
16
General Testing Procedures
19
Site Preparation
19
Making Circuit Connections
19
Operating the MTO300/330A
20
Description of Test Sequence
20
AUTOMATIC DISCHARGE Function
21
DEMAGNETIZATION Function
21
REMOTE TEST Function (MTO300 ONLY)
21
Three-Phase Transformer & Winding Resistance Testing
23
General
23
Procedure
23
Figure 4A: MTO Display on Startup
24
Figure 4B: MTO300/330A Using PC Software
24
Test Form Controls - General
25
Figure 5: Header Input
25
Figure 6: Nameplate Input
25
Transformer Test Conditions
26
Instrument Settings Button
26
Figure 7: Transformer Test Conditions
26
Figure 8: Instrument Setup Screen - Test Settings/Ω Settings
26
Winding Resistance Testing Methods
27
Method 1 - Resistance Test Wizard
28
Method 2 - Measuring Tap - All Phases Winding Resistance
28
Method 3 - Measuring Individual Tap Winding
29
Resistance Test Screen
29
Save/Retrieve Results
31
Retrieving Results/Test Files
31
Application Notes
33
Testing Delta Configured Windings
33
Delta Winding Resistance
33
Temperature Correction
33
Temperature Entry
33
Ordering Information/ Spare Parts
35
Service
36
Maintenance
36
Fuse Replacement
36
Calibration
37
Repairs
37
Error Codes
37

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