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Sweep Frequency Response Analyzer (SFRA) User Guide
3-28
72A-2570-01 Rev
. K 07/201
1
Figure 3.43 Short-Circuit T
est T
race
Even when responses are shown in magnification (
Figure
3.44
),
they are under
the average divergence of 0.2 dB among
phases. This is a useful diagnostic
where no previous results are available.
Figure 3.44 Short Circuit T
race – Detail
51
53
Table of Contents
Default Chapter
5
Table of Contents
5
List of Figures
9
List of Tables
13
Preface
15
1 Introduction
17
M5200, M5300, and M5400 SFRA Instruments
17
Figure 1.1 M5200, M5300, and M5400 Instruments
18
Table 1.1 M5200, M5300, and M5400 Instruments
18
Hardware Accessories
19
Table 1.2 Accessories for the SFRA Instruments
19
Software
20
PC Requirements
20
2 Safety
21
Overview
21
General Rules
21
Grounding Requirements
22
Figure 2.1 Connecting Safety Ground to Transformer
22
Personnel Safety Practices
23
3 Setting up and Running a Test
25
Measurement Types
25
Open Circuit
25
Short Circuit
25
Step 1: Set up and Run a Shorted-Lead Test
26
Connect the Cable and Leads and Run SFRA 5.2
26
Figure 3.1 Cable and Lead Connections to the SFRA Instrument
26
Figure 3.2 Connect to Instrument Message
27
Figure 3.3 Select Instrument Window
27
Create a Transformer Listing and Associate a Test Template with It
28
Figure 3.4 Data Manager Tab on Main Window
28
Figure 3.5 Edit Apparatus Option on Edit Menu
29
Figure 3.6 Test Equipment Editor
29
Figure 3.7 Transformer Tab of Transformer Editor Window
30
Figure 3.8 New Serial Number Listing
30
Figure 3.9 Test Templates Tab of Transformer Editor Window
31
Figure 3.10 Template Editor Window
31
Run the Shorted-Lead Test
32
Figure 3.11 Apparatus Selection Window
32
Figure 3.12 Location of Start Test Button
32
Figure 3.13 Test Details Window
33
Figure 3.14 Cable Connections for Shorted-Lead Test
33
Figure 3.15 Shorted-Lead Test in Progress
34
Figure 3.16 Correct Shorted-Lead Response
35
Figure 3.17 Open-Circuit Lead Response
35
Step 2: Ground the Transformer
36
Figure 3.18 De-Energized and Disconnected Transformer
36
Figure 3.19 Grounded Transformer
36
Figure 3.20 Removed Isophase or GIS Link
37
Figure 3.21 Added Temporary Static-Discharge Grounds
37
Figure 3.22 Connected SFRA Leads
37
Step 3: Prepare the Transformer for Testing
38
Figure 3.23 Removed Temporary Static-Discharge Grounds
38
Step 4: Select and Run a Test
39
Requirements for this Test
39
Associate the Transformer with a Test Template
39
Figure 3.24 Edit Apparatus Option on Edit Menu
39
Figure 3.25 Test Equipment Editor
40
Figure 3.26 Transformer Tab of Transformer Editor Window
40
Figure 3.27 Test Templates Tab of Transformer Editor Window
41
Figure 3.28 Template Editor Window
41
SFRA Test Procedure
42
Figure 3.29 Apparatus Selection Window
42
Figure 3.30 Location of Select Test Button
43
Figure 3.31 Test Selection Window
43
Figure 3.32 Location of Start Test Button
44
Figure 3.33 Test Details Window
44
Figure 3.34 Nonstandard Test Warning
45
Figure 3.35 Test Details Dialog Box with Advanced Test Protocol
45
Self-Test Error and Warning Messages
46
Figure 3.37 Error 953
47
Troubleshooting Test Results
48
Monitoring Waveforms
48
Figure 3.38 Test in Progress
48
Diagnosing Open-Circuit Response
49
Sample Test Results
49
Three Responses for One Transformer
49
Figure 3.39 Typical Open-Circuit Trace
49
Figure 3.40 Responses for One Phase of a Transformer HV Delta Trace
50
Figure 3.41 HV Delta Winding Traces
50
HV Wye (Star) Response
51
Short-Circuit Test Response
51
Figure 3.42 HV Wye Winding Trace
51
Figure 3.43 Short-Circuit Test Trace
52
Figure 3.44 Short Circuit Trace - Detail
52
Repeat Results for One Phase at Different Times
53
Results Showing a Shorted Turn
53
Figure 3.45 Repeat Results for One Phase
53
Confirming the Ethernet Connection
54
Figure 3.46 Shorted Turn on One Winding
54
Figure 3.47 Start Menu
54
Figure 3.48 Command Window Displaying IP Address
55
4 Managing Tests and Templates
57
Introduction
57
Opening the Template Editor
57
Creating a New Test Template
58
Figure 4.1 Template Editor
58
Editing or Deleting a Template
59
Adding, Editing, or Deleting Tests in a Template
59
Figure 4.2 Test Setting Editor
59
For Information about the Specific Contents of each Template, See Appendix B
59
Open the Edit Menu and Select Edit Apparatus the Test Equipment Editor Window Opens
59
Click the Edit Templates Button
60
Creating a New Test Setting
60
Editing or Deleting a Test Setting
60
The Template Editor Window Opens
60
Figure 5.1 Test Equipment Editor
62
Figure 5.2 Entering a New Location
62
5 Managing Data and Generating Reports
63
Adding or Deleting SFRA Instrument Information
63
Figure 5.3 Entering a New Serial Number
63
Adding or Deleting Organization Information
64
Figure 5.4 Entering a New Organization
64
Managing Transformer Information
65
Entering a Transformer into the SFRA Database
65
Figure 5.5 Transformer Tab of Transformer Editor Window
65
Editing or Deleting Transformer Data
66
Cloning a Transformer
66
Figure 5.6 Edit Serial Number Dialog Box
66
Importing and Exporting Transformer Files
67
Managing Tap Changer Data
67
Managing Results Data
68
Default Data Locations
68
Figure 5.7 LTC/DETC Tab of Transformer Editor Window
68
Selecting a Data Source
69
Figure 5.8 Sweep Frequency Response Analyzer Settings Dialog Box
69
Figure 5.9 Browse for Folder Dialog Box
69
Export Selected Results to .CSV Files
70
Import Location and Transformer from Results Files
71
Saving and Deleting Traces
71
Figure 5.10 Files Converted Dialog Box
71
Importing 1.X and 2.X M5100 SFRA Files
72
Transferring Data between Machines or Pcs
72
Settings Files
72
Figure 5.11 Simplified XML Transformer Settings File
73
Merging Settings Files
74
Figure 5.12 Transformer Settings File - User a
74
Figure 5.13 Transformer Settings File - User B
75
Reports
76
Figure 5.14 Transformernameplate Section of User B's Settings File
76
Figure 5.15 Report Designer Window
77
A. Software Overview
79
Figure A.1 Welcome Window of Setup Wizard
80
Figure A.2 Select Installation Folder Window
80
Software Overview
81
Figure A.3 Confirm Installation Window
81
Figure A.4 Progress Bar in Installation Window
81
Figure A.5 Identifying an M5300
82
Figure A.6 Select Default Template Window
82
Manually Install the USB Driver
83
Where to Find the Driver
83
Remove Previously Installed USB Drivers
83
Install the Driver
83
SFRA 5.2 Software Overview
84
File Menu
84
Edit Menu
84
Table A.1 File Menu Options
84
Table A.2 Edit Menu Options
84
Test Init Menu
85
Graph Menu
85
Table A.3 Test Init Menu Options
85
Table A.4 Graph Menu Options
85
Help
87
Table A.5 Help Menu Options
87
Apparatus/Test and Legend Panes
88
Apparatus and Test Pane
88
Legend Pane
88
Figure A.7 Plot Property Dialog Box
88
Tab Divisions in SFRA
89
Data Manager Tab
89
Figure A.8 Data Manager Tab
89
Magnitude Tab
90
Figure A.9 Magnitude Tab
90
Figure A.10 Status Bar
90
Phase Tab
91
Figure A.11 Phase Tab
91
Figure A.12 Status Bar
91
Impedance Tab
92
Figure A.13 Impedance Tab
92
Figure A.14 Status Bar
92
Sub-Band Tab
93
Figure A.15 Sub-Band Tab
93
Waveform Tab
94
Figure A.16 Waveform Tab
94
Analysis Tab
95
Figure A.17 Analysis Tab
95
Tabulation Tab
96
Figure A.18 Tabulation Tab
96
Apparatus Tab
97
Figure A.19 Apparatus Tab
97
Test Templates
99
Introduction
99
Notes about the Test Templates
99
Two-Winding Transformers
100
Table B.1 Two-Winding Transformers - 9 Tests
100
Autotransformers
101
Table B.3 Autotransformer with Tertiary - 18 Tests
101
Three-Winding Transformers
102
Table B.4 Three-Winding Transformer Table - 18 Tests (Part 1
102
Table B.5 Three-Winding Transformer Table - 18 Tests (Part 2
103
Theory of Operation
105
Transformer Damage and SFRA Testing
105
How SFRA Identifies Damage to Transformers
106
Test Cable Lengths
108
Transformer
109
Repairs and Replacement Parts
111
Replacing a Fuse
111
Figure D.1 Location of Fuses on M5400
111
Figure D.2 Blade in Top of Fuse Cover
112
Figure D.3 Open Fuse Cover with Fuses in Place
112
Repairs
113
Replacement Parts
113
M5200 and M5400
113
Table D.1 M5200 and M5400 Cable and Adapter Parts List
113
Table D.2 M5200 and M5400 Additional Components
114
M5300
115
Table D.3 M5300 Cable and Adapter Shipping/Replacement List
115
Table D.4 M5300 Additional Components
115
M5200/M5300/M5400 Technical Specifications
117
Instrument Specifications
117
Table E.1 Instrument Specifications
117
Lead Specifications
119
Table E.2 Test Lead Specifications
119
PC Requirements
120
Table E.3 PC Requirements
120
4
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doble SFRA Specifications
General
Brand
doble
Model
SFRA
Category
Measuring Instruments
Language
English
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