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Transformer testing equipment

 
  • Megger transformer test equipment

There are several facets to a transformer’s overall health (dielectric, magnetic, mechanical and thermal) and many components that must be tested to verify the transformer’s whole condition. These include: windings and winding leadstransformer insulationtransformer core, and accessories (tap changersbushingsbushing CTs and surge arresters).  For the assessment of each transformer component, a varying suite of electrical field tests is recommended. Each test in an individual component’s diagnosis test group has a characteristic strength(s) but also deficiencies. However together, with each test contributing unique diagnostic value, the group provides a robust representation of that transformer component’s health.

Many of the electrical field tests appearing in these suggested groups provide assessment information for several transformer components at once. So when the individual component test lists are merged, a thoughtful and smart overall test recommendation for transformers emerges. As some transformer tests are better suited as commissioning and diagnostic tests, the reason for testing (e.g., commissioningroutine screening and diagnostic test situations) will influence the electrical test recommendation for transformers. 

 

Specialist transformer test equipment
Associated test equipment

TRAX Multifunction transformer and substation test system

Insulation testers > 1 kV Insulation testers > 1 kV
OTD - Oil tan delta Earth testers Earth testers

Power transformer test van

DLRO10HD DLRO10HD - 10 Amp Digital Low Resistance
DELTA4000 - 12 kV Insulation Diagnostic System

DELTA4000 - 12 kV Insulation Diagnostic System

BITE3 BITE3 - Battery impedance test equipment
FRAX - Sweep Frequency Response Analysers

FRAX - Sweep Frequency Response Analysers

MFT1700

PowerDB Pro - Test Data Management Software

IDAX300 - Insulation diagnostic analyser

IDAX300 - Insulation diagnostic analyser

AVO Training

AVO Training Institute

OTS80PB and OTS60PB - Portable oil test sets

OTS80PB and OTS60PB - Portable oil test sets

 

 

OTSAF - 60 kV, 80 kV and 100 kV Automatic laboratory oil test sets

OTSAF - 60 kV, 80 kV and 100 kV Automatic laboratory oil test sets

 

 

TTR300 Series - Three-Phase Transformer Turns Ratio Test Set

TTR300 Series - Three-Phase Transformer Turns Ratio Test Set

 

 

MTO210 - Transformer Ohmmeter

MTO210 - Transformer Ohmmeter

 

 

MTO300 Series - Automated six-winding transformer ohmmeter

MTO300 Series - Automated six-winding transformer ohmmeter

 

 

MAGNUS - Step-up Transformer

MAGNUS - Step-up Transformer

 

 

CDAX 605 - High-precision capacitance and dissipation factor measurement instrument

CDAX 605 - High-precision capacitance and dissipation factor measurement instrument

 

KF875 and KF-LAB MkII - Karl Fischer Moisture in Oil Test Sets

KF875 and KF-LAB MkII - Karl Fischer Moisture in Oil Test Sets