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EZCT-2000
Vanguard EZCT-2000 Transformer Tester Manuals
Manuals and User Guides for Vanguard EZCT-2000 Transformer Tester. We have
1
Vanguard EZCT-2000 Transformer Tester manual available for free PDF download: User Manual
Vanguard EZCT-2000 User Manual (61 pages)
DIGITAL CURRENT-TRANSFORMER TESTER
Brand:
Vanguard
| Category:
Test Equipment
| Size: 2 MB
Table of Contents
Table of Contents
3
Conventions Used in this Document
5
1 Introduction
6
General Description and Features
6
Furnished Accessories
7
Technical Specifications
8
Table 1. EZCT-2000 Technical Specifications
8
EZCT-2000 Controls and Indicators
9
Figure 1. EZCT-2000 Controls and Indicators
9
Table 2. Functional Descriptions of EZCT-2000 Controls and Indicators
10
2 Pre-Test Setup
11
Operating Voltages
11
LCD Screen Contrast Control
11
Printer Paper Control
11
Printer Paper
11
3 Operating Procedures
13
EZCT-2000 Cable Connections
13
Figure 2. Typical EZCT-2000 Excitation and Ratio Test Cable Connection
13
Figure 3. Bushing CT Connection on Delta Transformer
14
Figure 4. Bushing CT Connection on y Transformer
14
EZCT-2000 X Input Voltage Warning
15
Figure 5. Sample CT Name Plate
15
Performing Tests
16
Entering Test Record Header Information
16
Performing Resistance, Excitation, and Ratio Tests
19
Figure 6. Typical EZCT-2000 Tabulated Report Printout
25
Table 3. Descriptions of Tabulated Test Results Elements
26
Figure 7. Typical EZCT-2000 Graphic Report
27
Figure 8. Typical EZCT-2000 Graphic Report with Multiple Plot Curves
27
Working with Test Records
28
Restoring and Printing a Test Record from Flash EEPROM
28
Printing a Restored Test Record
31
Printing a Directory of Test Records Stored in the EZCT-2000'S Memory
32
Figure 9. Typical Internal Test Record Directory Printout
33
Erasing Test Records from the Flash EEPROM
34
Working with Test Plans
36
Extracting the Test Plan from a Test Record
36
Printing a Directory of Test Plans Stored in the EZCT-2000'S Memory
38
Figure 10. Typical EZCT-2000 Flash EEPROM Test Plan Directory Printout
39
Printing a Test Plan
40
Table 4. Description of Test Plan Elements
41
Figure 11. Typical Test Plan Printout
41
Erasing Test Plans from the Flash EEPROM
42
Loading a Test Plan from the EZCT-2000'S Flash EEPROM
44
Running a Test Using a Loaded Test Plan
45
Unloading a Test Plan from the Working Memory
48
4 Changing Setup Parameters
49
Setting the Knee Point Marker
49
Figure 12. Graphic Report Showing Knee Point Marker
50
Selecting the Buried CT in Transformer Delta Option
51
Figure 13. Buried CT in a Delta Transformer Illustration 1
52
Figure 14. Buried CT in a Delta Transformer Illustration 2
52
Setting the Clock
54
5 Diagnostics, Verification, and Troubleshooting
55
Performing a Diagnostics Test
55
Verifying the EZCT-2000'S
57
Sense Circuit Using an External Meter
57
Figure 15. EZCT-2000 V Verification Test Connections
57
Verifying the EZCT-2000'S I
58
Sense Circuit Using an External Meter
58
Figure 16. EZCT-2000 I X Verification Test Connections
58
Quickly Verifying the EZCT-2000'S Turns Ratio Circuit
59
Figure 17. EZCT-2000 Turns Ratio Verification Test Connections
59
Troubleshooting Guide
60
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