Blog Post by Ian Sulek
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 ...
Start Reading
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 ...
Start Reading
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, ...
Start Reading
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 ...
Start Reading
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 ...
Start Reading
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 ...
Start Reading
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 ...
Start Reading
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 ...
Start Reading
2 min read
How do Midel ester transformers fluids perform in the cold?
ANSWER: There are a range of MIDEL fluids to suit various climatic conditions. The performance of each fluid under cold climate conditions ...
Start Reading
2 min read
Requirements for retrofilling transformers with MIDEL fluids?
ANSWER: There are four main steps to follow to retrofill transformers with ester fluids, as follows: 1. Set up retrofilling plant Follow ...
Start Reading