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Technical Document Reader
Document
098-024
Name

AT3600 User Manual

Description
The full user manual for the AT3600 transformer tester.
AT3600 User Manual
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Expand 1 Introduction1 Introduction
Expand 2 Getting Started2 Getting Started
Expand 3 Test Program Editor3 Test Program Editor
Expand 4 Using the Server4 Using the Server
Expand 5 Fixtures5 Fixtures
Expand 6 Front Panel Operation6 Front Panel Operation
Collapse 7 Tests and Test Conditions7 Tests and Test Conditions
Collapse 7.1 Transformer Tests7.1 Transformer Tests
7.1.1 Application Of Tests
7.1.2 Continuity
7.1.3 Winding Resistance
7.1.4 Equivalent Resistance
7.1.5 Inductance
7.1.6 Inductance With Bias Current
7.1.7 Quality Factor
7.1.8 Dissipation Factor
7.1.9 Leakage Inductance
7.1.10 Inter-Winding Capacitance
7.1.11 Turns Ratio
7.1.12 Turns Ratio By Inductance
7.1.13 Impedance - Impedance With Bias
7.1.14 Dc Resistance Match
7.1.15 Inductance Match
7.1.16 Capacitance Match
7.1.17 General Longitudinal Balance
7.1.18 Longitudinal Balance
7.1.19 Insertion Loss
7.1.20 Frequency Response
7.1.21 Return Loss
7.1.22 Impedance Phase Angle
7.1.23 Inter-Winding Phase
7.1.24 Trimming Adjustment
7.1.25 Output To User Port
7.1.26 Insulation Resistance
7.1.27 Hi Pot (DC)
7.1.28 Hi Pot (AC)
7.1.29 Surge Stress Test
7.1.30 Wattage
7.1.31 Wattage (External Source)
7.1.32 Stress Wattage
7.1.33 Stress Wattage (External Source)
7.1.34 Magnetizing Current
7.1.35 Magnetizing Current (External Source)
7.1.36 Open Circuit Voltage
7.1.37 Open Circuit Voltage (External Source)
7.1.38 Low Voltage Open Circuit
7.1.39 Leakage Current
7.1.40 Inductance With Ext Bias (Series Circuit)
7.1.41 Inductance With Ext Bias (Parallel Circuit)
7.1.42 Impedance With External Bias
7.1.43 Hi Pot Ramp (AC)
7.1.44 Hi Pot Ramp (DC)
7.1.45 Voltage Break Down (AC)
7.1.46 Voltage Break Down (DC)
Expand 8 Specification8 Specification
Expand 9 Warranty and Service9 Warranty and Service
Expand 10 Safety Systems10 Safety Systems

7.1.23 PHAS - InterWinding Phase Test

WHERE USED



This test is useful for most types of transformer, although unusual with line frequency transformers and tests for the phase angle between windings. It is most useful for determining the phase effect of audio and telecommunications transformers when placed in a transmission line.

MEASUREMENT CONDITIONS

If you are programming the test from a computer that is connected to the auxiliary port of the tester, you may enter the test conditions in the following way. Select the test terminals, enter the test frequency, click on the measure button and the editor will select the correct voltage and display the measured phase angle. You can then use this measured angle as a basis for setting your limits.

If your computer is not connected to the tester, you can choose the test voltage from the following table.

N.B. When selecting your energised winding, check that your transformer does not have a large step-up turns ratio between this winding and any other windings as this may cause high voltages to be present during the test. Energise the winding with the most turns if this is the case.

Impedance of Energised
Winding
Test Voltage
1MΩ → 100kΩ
100kΩ → 10kΩ
10kΩ → 1kΩ
1kΩ → 100Ω
100Ω → 10Ω
10Ω → 1Ω
1Ω → 100mΩ
100mΩ → 10mΩ
5V
5V
5V
3V
0.5V
100mV
10mV
1mV
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or
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