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Technical articles, application insights, white papers and product updates for electrical equipment.
9 min read

How to Collect and Handle Transformer Oil Samples for DGA Testing

Transformer oil samples for Dissolved Gas Analysis (DGA) should be collected using clean, gas-tight sampling equipment, following the ...
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5 min read

How Long Are Power Transformer Lead Times?

When a power transformer fails unexpectedly, the consequences can extend beyond repair or replacement costs to include unplanned outages, ...
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3 min read

HV Switchgear Options for Australian Renewable Energy Projects

High voltage (HV) switchgear options supporting Australian renewable generation connections, ranging from commercial solar and battery ...
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2 min read

What HV substation insulators do heavy industry sites typically use?

Heavy industry sites typically utilize high-voltage substation insulators designed to withstand demanding conditions, including high ...
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3 min read

Choosing HV Switchgear for Easier Maintenance in Australian Utilities

When selecting high voltage (HV) switchgear for maintenance accessibility, Australian utilities must balance strict safety requirements, ...
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2 min read

Are Midel fluids compatible with all transformer materials?

ANSWER: As a rule, components and materials used in mineral oil transformers are also compatible with MIDEL fluids. Midel Compatible ...
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1 min read

How to Recondition High‑Acid MIDEL Ester Fluids

ANSWER: Mineral oil: aging by-products are short chain acids, water soluble can catalyse paper degradation. MIDEL fluids: aging by-products ...
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2 min read

Does Switching to Ester Fluid Cause Transformer De‑rating?

ANSWER: Distribution transformers: unlikely Power transformers: an assessment may be required Transformer rating after retrofilling with ...
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2 min read

Can I use Midel ester fluids in free breathing transformers?

ANSWER: There are a range of MIDEL fluids to suit all types of transformer preservation systems. For breathing transformers, we recommend ...
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2 min read

How do I use dissolved gas analysis (DGA) with Midel ester fluids?

ANSWER: Using much the same oil sampling and analysis methods you would use for mineral oil. The gasses esters produce during electrical ...
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