Vanguard Instruments LTCA-40 Manuals

Manuals and User Guides for Vanguard Instruments LTCA-40. We have 2 Vanguard Instruments LTCA-40 manuals available for free PDF download: User Manual

Vanguard Instruments LTCA-40 User Manual (58 pages)

LOAD TAP CHANGER ANALYZER

Brand: Vanguard Instruments | Category: Measuring Instruments | Size: 1.86 MB

Table of Contents
3
Conventions Used in this Document
5
1 Introduction

6
2 Technical Specifications

8
3 Controls and Indicators

10
4 Pre-Test Setup

14
5 Operating Procedures

15
6 Ltca-10/40 Special Features

57
- Bypassing the Resistance Value Display Delay
  57
- Converting Resistance Measurements
  57

Vanguard Instruments LTCA-40 User Manual (58 pages)

LOAD TAP CHANGER ANALYZER

Brand: Vanguard Instruments | Category: Measuring Instruments | Size: 2.36 MB

Table of Contents
3
Conventions Used in this Document
5
Introduction
6
General Description
6
Functional Description
6
Furnished Accessories
7
Technical Specifications
8
LTCA-10 Technical Specifications
8
Table 1.0 LTCA-10 Specifications
8
LTCA-40 Technical Specifications
9
Table 2.0 LTCA-40 Specifications
9
Controls and Indicators
10
LTCA-10 Controls and Indicators
10
Figure 1.0 LTCA-10 Controls and Indicators
10
Table 3.0 Functional Descriptions of LTCA-10 Controls and Indicators
11
LTCA-40 Controls and Indicators
12
Figure 2.0 LTCA-40 Controls and Indicators
12
Table 4.0 Functional Descriptions of LTCA-40 Controls and Indicators
13
Pre-Test Setup
14
Operating Voltages
14
LTCA-10/40 LCD Contrast Control
14
LTCA-10/40 Printer Paper Control
14
LTCA-10/40 Printer Paper
14
Operating Procedures
15
Typical Connections to a Load Tap Changer (LTC)
15
Figure 3.0 Typical Connections to a Load Tap Changer (LTC)
15
Cable Connections
16
Figure 4.0 Typical LTCA-10/40 Connection Diagram (Dynamic Resistance Test)
16
Figure 6.0 Typical LTCA-40 Connection Diagram (2 Windings)
17
Figure 7.0 Typical LTCA-40 Connection Diagram (3 Windings)
18
General Procedures
19
Performing a Resistance Test
20
Resistance Test Result Printouts
27
Figure 8.0 Typical Triple Reading Test Report Printout
27
Figure 9.0 Typical Dual Reading Test Report Printout
27
Figure 10.0 Typical Single Reading Test Report Printout
28
Performing a Special Resistance Test
29
Special Resistance Test Result Printout
34
Figure 11.0 Typical Single Reading Test Report Printout
34
Performing a Dynamic LTC Test
35
Dynamic LTC Test Result Printouts
40
Figure 12.0 Sample Normal Dynamic LTC Test Plot
40
Figure 13.0 Sample Dynamic LTC Test Expansion Plot
41
Diagnostic Mode
42
Setup Menu
44
Entering the Transformer ID
44
Restoring a Test Record
47
Figure 14.0 Typical Test Record Printout
49
Printing the Test-Record Directory
50
Figure 15.0 Typical Record Directory Printout
51
Erasing a Test Record
52
Enabling the Computer Interface
54
Setting the Date and Time
55
Setting the Test Value Display Font
56
Ltca-10/40 Special Features
57
Bypassing the Resistance Value Display Delay
57
Converting Resistance Measurements
57

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Vanguard Instruments LTCA-40 Manuals

Vanguard Instruments LTCA-40 User Manual (58 pages)

Table of Contents

1 Introduction

2 Technical Specifications

3 Controls and Indicators

4 Pre-Test Setup

5 Operating Procedures

6 Ltca-10/40 Special Features

Vanguard Instruments LTCA-40 User Manual (58 pages)

Table of Contents

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