Vanguard Instruments ATRT-03 - Typical Three Phase Load Tap Changer Test Plan Print out; Figure 20-5. Typical Three Phase Load Tap Changer Test Plan Print out

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Model ATRT-03 (v) Operating Instruction

20-5. Typical Three Phase Load Tap Changer Test Plan Print Out

Figure 20-5. Typical Three Phase Load Tap Changer Test Plan Print Out

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Default Chapter4
- Table of Contents4
1 Introduction9
2 Applicability9
3 ATRT-03/03A/03B Description9
4 Principle of Operation10
5 Specifications11
- Table 5-0. Model ATRT-03/03A/03B Turns-Ratio Meter Specifications11
  - ATRT-03/03A/03B Supplied Cables12
6 Cable Marking and Identification12
- Table 5-1. ATRT-03/3A/3B Cable Set12
- Table 6-1. Cable Markings and Identification12
7 ATRT-03/03A/03B Front Panel Descriptions13
- ATRT-03 Operating Controls and Indicators13
- Figure 7-1. Model ATRT-03 Front-Panel Controls, Indicators, and Connectors13
- Table 7-1. Model ATRT-03 Front-Panel Controls, Indicators, and Connectors14
- ATRT-03A Operating Controls and Indicators15
- Figure 7-2. Model ATRT-03A Front-Panel Controls, Indicators, and Connectors15
- Table 7-2. Model ATRT-03A Front-Panel Controls, Indicators, and Connectors16
- ATRT-03B Operating Controls and Indicators17
- Figure 7-3. Model ATRT-03B Front-Panel Controls, Indicators, and Connectors17
- Table 7-3. Model ATRT-03B Front-Panel Controls, Indicators, and Connectors18
8 ATRT-03/03A Printer and Printer Paper19
9 ATRT-03/03A/03B Storage Capabilities19
- ATRT-03/03A/03B Test Record Storage Capabilities19
- ATRT-03/03A/03B Transformer Test Plan Storage Capabilities19
10 ATRT-03/03A/03B Operating Voltages19
- ATRT-03/03B Operating Voltages19
- Table 10-1. Voltage-Selection Jumper Pins19
- ATRT-03A Operating Voltages20
11 ATRT-03/03A/03B Special Features20
- ATRT-03/03A/03B LCD Contrast Control20
- ATRT-03/03B Test Voltages20
- ATRT-03/03A/03B RS-232C Computer-Control Port20
12 Windows-Based PC Transformer Analysis Software20
13 ATRT-03 Cable Hook up20
- ATRT-03/03A/03B Ground Cable20
- ATRT-03/03A/03B Test Leads20
- Typical Transformer Connection to ATRT-03/03A/03B21
- Figure 13A. Typical Connection for Single-Phase Transformer21
- Figure 13B. Typical Connection for Single-Phase Auto Transformer21
- Figure 13C. Typical Connection for Type a Voltage Regulator22
- Figure 13D. Typical Connection for Type B Voltage Regulator22
- Figure 13E. Typical Connection for Donut Type (Un-Mounted) CT23
- Figure 13F. Typical Connection for Multi-Tap CT23
- Figure 13G. Typical Connection for Bushing-Mount-CT24
- Figure 13H. Typical Connection for Bushing Mount Cts on Delta Transformer25
- Figure 13I. Typical Connection for Bushing Mount Cts on Wye Transformer26
14 Single-Phase Transformer Test Procedure27
- Table 14-0. Single-Phase Transformer Test Procedure Steps27
15 Three-Phase Transformer Test Procedure Using Nameplate Voltages46
- Table 15-1. Three-Phase Transformer Test Procedure Steps46
  - Print out of a Delta-To-Wye Transformer Test in Column Format48
  - Figure 15-1. Delta-To-Wye Column Format Printout48
16 Running a Special Transformer Test49
- Table 15-1. Three-Phase Transformer Test Procedure Steps (Cont.)50
17 Printing Test Record Directory52
- Table 17-1. Print Test Record Directory52
18 Restoring a Test Record to Thermal Printer55
- Table 18-1. Restoring a Test Record to Thermal Printer55
19 Restore a Test Record to LCD60
- Table 19-1. Restoring a Test Record to LCD60
20 Print a Test Plan in Memory63
- Table 20-1. Print a Test Plan from ATRT-03/03A Memory63
21 Load a Test Plan from Memory70
- Table 21-1. Load a Test Plan from ATRT-03/03A/03B Memory70
22 Test a Transformer Using a Test Plan72
- Table 22-1. Test a Transformer Using a Test Plan72
23 Change ATRT-03/03A/03B Real Time Clock78
- Set Real Time Clock Setup Menu78
- Table 23-1. Change ATRT-03/03A/03B Real Time Clock78
- Figure 23-1. ATRT-03/03A/03B Setup Menu78
- Set Time and Date79
- Figure 23-2. Time and Date Display79
24 Enable Computer Interface80
- Table 24-1. Change ATRT-03/03A/03B Real Time Clock80
  - ATRT-03/03A/03B Computer Interface Menu81
  - Figure 24-2. Select Computer Interface Display81
25 Entering Transformer Identification for Test Record Menu82
- Table 25-1. Enter Transformer Identification for Test Record82
- Table 25-1. Enter Transformer Identification for Test Record (Cont.)83
26 ATRT-03/03B Test Voltage Selections84
- Table 26-1. Select Test Voltages84
  - Test Voltage Selection85
  - Figure 26-1. Select Test Voltage Menus85
27 ATRT-03/03A/03B Cable Test86
- Table 27-1. ATRT-03/03A/03B Cable Diagnostic86
28 ATRT-03/03A/03B Verification Test87
- Table 28-1. ATRT-03/03A/03B Verification Test87

Vanguard Instruments ATRT-03 - Typical Three Phase Load Tap Changer Test Plan Print out; Figure 20-5. Typical Three Phase Load Tap Changer Test Plan Print out

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