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EZCT S2
User Manuals: Vanguard Instruments EZCT S2 Test Set
Manuals and User Guides for Vanguard Instruments EZCT S2 Test Set. We have
1
Vanguard Instruments EZCT S2 Test Set manual available for free PDF download: User Manual
Vanguard Instruments EZCT S2 User Manual (59 pages)
DIGITAL CURRENT-TRANSFORMER TESTER
Brand:
Vanguard Instruments
| Category:
Test Equipment
| Size: 1 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 S2 Technical Specifications
8
EZCT S2 Controls and Indicators
9
Figure 1. EZCT S2 Controls and Indicators
9
Table 2. Functional Descriptions of EZCT S2 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 S2 Cable Connections
13
Figure 2. Typical EZCT S2 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
Performing Tests
15
Entering Test Record Header Information
15
Performing Excitation and Ratio Tests
18
Figure 5. Typical EZCT S2 Tabulated Report Printout
23
Table 3. Descriptions of Tabulated Test Results Elements
24
Figure 6. Typical EZCT S2 Graphic Report
25
Working with Test Records
26
Restoring and Printing a Test Record from Flash EEPROM
26
Printing a Restored Test Record
29
Printing a Directory of Test Records Stored in the EZCT S2'S Memory
30
Figure 7. Typical Internal Test Record Directory Printout
31
Erasing Test Records from the Flash EEPROM
32
Working with Test Plans
34
Extracting the Test Plan from a Test Record
34
Printing a Directory of Test Plans Stored in the EZCT S2'S Memory
36
Figure 8. Typical EZCT S2 Flash EEPROM Test Plan Directory Printout
37
Printing a Test Plan
38
Table 4. Description of Test Plan Elements
39
Figure 9. Typical Test Plan Printout
39
Erasing Test Plans from the Flash EEPROM
40
Loading a Test Plan from the EZCT S2'S Flash EEPROM
42
Running a Test Using a Loaded Test Plan
43
Unloading a Test Plan from the Working Memory
47
4 Changing Setup Parameters
48
Setting the Knee Point Marker
48
Figure 10. Graphic Report Showing Knee Point Marker
49
Selecting the Buried CT in Transformer Delta Option
50
Figure 11. Buried CT in a Delta Transformer Illustration 1
51
Figure 12. Buried CT in a Delta Transformer Illustration 2
51
Setting the Clock
53
5 Diagnostics, Verification, and Troubleshooting
54
Performing a Diagnostics Test
54
Verifying the EZCT S2'S
55
Sense Circuit Using an External Meter
55
Figure 13. EZCT S2 V Verification Test Connections
55
Verifying the EZCT S2'S I
56
Sense Circuit Using an External Meter
56
Quickly Verifying the EZCT S2'S Turns Ratio Circuit
57
Figure 15. EZCT S2 Turns Ratio Verification Test Connections
57
Troubleshooting Guide
58
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