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Megger INGVAR Manuals
Manuals and User Guides for Megger INGVAR. We have
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Megger INGVAR manual available for free PDF download: User Manual
Megger INGVAR User Manual (72 pages)
Primary Current Injection Test System
Brand:
Megger
| Category:
Test Equipment
| Size: 1 MB
Table of Contents
Table of Contents
4
1 Safety
6
General
6
Symbols on the Instrument
6
Precaution Levels
6
Safety Instructions
6
2 Introduction
10
General
10
Current Generation
10
The Measurement Section Contains/Provides
10
Fields of Application
11
Reservations
11
3 Panels
12
Control Unit Panel
12
Cables
15
Standard Cables
15
Optional Cables
16
4 Display
18
The Display
18
Directional Indicators
18
When Special Applications Are Activated
18
5 Menu Options
20
General
20
AMMETER, V/A METER and SYSTEM Menu Options
20
How to Set Values
20
A-Meter 1
20
V/A Meter
21
System
21
MEMORY and APPLICATION Menu Options
22
Setting Values
22
Memory
22
Application
23
6 How to Install INGVAR
24
Safety
24
Connecting the Test Object and the Current Unit to each Other
24
Series Connection
25
Parallel Connection
25
Connecting the Current Unit to the Control Unit
26
Grounding INGVAR
26
Connecting INGVAR to the Mains
27
Mains Voltage
27
Mains Cable and Connectors
27
Current Cables and Conductors
27
Available Cable Sets
27
Standard Multi-Cable Sets
28
Multi-Cable Sets with Customised Length
28
Calculate the Impedance
29
How to Arrange the Cable Sets
30
Minimising Impedance in Cables
30
How to Arrange Bars
32
Faq
32
7 How to Use INGVAR
34
How to Generate Current
34
Rules of Thumb When Generating Current
35
Setting the Desired Current
35
Low Currents
35
High Currents
35
Generating Briefly
35
Setting Times for Limited-Time Generation (MAX TIME)
36
Continuous Current Generation
36
Setting Stop Conditions
37
Getting Maximum Current from INGVAR
37
Generating Low Currents
38
Generating Pulse Trains
38
Holding (Freezing) Measured Values
39
Measuring Phase Angle and Polarity
39
Measuring Current
39
Measuring Voltage
39
Measuring Z, P, R, X, S, Q and Power Factor (Cos Φ)
40
Reading Maximum Current at an
41
Operation
41
Measuring Operating Limits
41
Method 1: Normal Injection - Gradually Increase in Current
41
Method 2: Manually Controlled Momentary Injection
42
Method 3: Limited-Time Generation
42
Measuring Tripping/Operation Times
43
Instantaneous Trip Unit Measurement
43
Test Circuit Impedance
44
Introduction
44
Test Circuit Impedance Limits the Current
44
Impedance of the Test Object
44
Selecting Output Configuration and Cables / Conductors
45
Current Output - Series or Parallel
45
Rules of Thumb
46
8 Application Examples
48
Testing a Low-Voltage Circuit Breaker
48
Measuring the Tripping Limit (Normal Generation)
48
Measuring the Tripping Time
48
Instantaneous Trip Unit Measurement
48
Measure the Instantaneous Trip Time
49
Testing the Ratio of a Current Transformer
49
Example
49
Measuring the Polarity of a Current Transformer
50
Testing a Direct Acting Automatic Recloser
51
Time Test
51
Testing a Sectionalizer
52
9 Troubleshooting
54
General
54
Measurement Errors
54
10 Calibration
56
General
56
Calibration of Offset
56
Calibration of Scale Factor, Ammeter 1
57
Scale Factor, Range LOW
57
Scale Factor, Range HIGH
57
Scale Factor for the I/30-Function
57
Calibration of Scale Factor, Ammeter 2
58
Scale Factor, Range 0 - 2 a
58
Scale Factor, Range 0 - 20 a
58
Calibration of Scale Factor, Voltmeter
58
Scale Factor, Range 0 - 0.2 V
58
Scale Factor, Ranges 0 - 2 V, 0 - 20 V and 0 - 200
58
Resetting to Preset (Standardized) Calibration Values
59
Performing a Reset
59
11 Specifications
60
Extended Specifications
61
Stop Input
61
A1.1 Transferring Test Data to a PC or a Printer
62
A1.2 Setting up the Connection
62
Appendix 1
62
How to Connect Via Win XP Hyper Terminal
63
How to Connect Via Win 2000 Hyper Terminal
64
A1.3 Transfers in "NORMAL USE
65
Example of Transfered Data
65
A1.4 Transfers in Applications "TEST RECLOSER" and "SECTIONALIZER
66
Example of Transferred Data
66
How to Connect Via Win 7 Hyper Terminal
66
Index
68
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