Atec Doble-M5400 User Manual download pdf

A tool for detecting “hidden” transformer faults

The M5400 detects mechanical failure or movement of windings due to short circuits,

mechanical stresses or transportation. Use it to ensure transformer performance, reduce

maintenance cost, and increase the service life of transformers.

A major advance in transformer condition analysis.

M5400 Sweep Frequency reSponSe AnAlyzer (SFrA)

M5400

Sweep Frequency Response Analyzer

(SFRA) For Transformer Core & Winding

Movement Diagnosis.

The M5400 uses Sweep Frequency Re-

sponse Analysis, a proven technique for

making accurate and repeatable measure-

ments. Pioneered by Doble the sweep

approach has become the industry stan-

dard and is the preferred method for

making frequency domain measurements.

Here’s how SFRA works: The M5400

sends an excitation signal into the trans-

former and measures the returning sig-

nals across a broad frequency range. By

comparing this response to baseline and

other results (such as from similar units),

you can identify deviations and conﬁrm

internal mechanical problems.

DIAGnoSe problems early.

preVenT expensive equipment

failures.

Take

conTrol.

Why wait for problems to develop? With

the M5400’s non-intrusive test technique,

you can test your power apparatus any

time you suspect a problem. Or just use

it as part of your regular maintenance

program. Either way, you identify problems

before they lead to failure, such as:

• Core movement

• Winding deformation and displacement

• Faulty core grounds

• Partial winding collapse

• Hoop buckling

• Broken or loosened clamping structures

• Shorted turns and open windings

M5400

1 2

Summary of Contents

Page 1 - DIAGnoSe problems early

A tool for detecting “hidden” transformer faultsThe M5400 detects mechanical failure or movement of windings due to short circuits, mechanical stresse

Page 2 - M5400 Technical Merits

M5400 SFRA Technical Speciﬁcations Excitation Source:Channels: 1Frequency Range: 10 Hz – 25 MHzOutput Voltage: 20 V peak-to-peak at 50 OhmsOu

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Atec Doble-M5400 User Manual

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