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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

7.1.13 Z, ZB - Impedance, Impedance With Bias

WHERE USED

The impedance test measures the impedance of a transformer winding by applying a specified voltage and frequency and by measuring the current that flows, calculating the magnitude of the complex impedance.

MEASUREMENT CONDITIONS


The load resistor is assumed to be on the fixture, but not shown on the Editor schematic. It is switched in circuit using an OUT test that must be inserted in the program before the Z test. (The relay patterns associated with inserting and removing fixture resistors have deliberately not been included in the Z test dialogue for two reasons: a) it would make the dialogue too complicated, and b) it is not always necessary - e.g. in the case of a fixture where the resistor is permanently fitted in circuit).

The test voltage is applied to the input winding, and the voltage and current measured. From the measured results the impedance is calculated.

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