Blog Post by Admin
6 min read
How to choose the right transformer oil temperature indicator (thermometer)
Transformer Oil Temperature Indicators - also known as electromechanical thermometers or OTIs for short - are essential devices on ...
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What is Power System Monitoring?
Power systems are the backbone of modern energy networks, made up of transformers, generators, and distribution infrastructure that deliver ...
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Is Your Transformer Temperature Monitoring as Accurate as It Should Be?
When it comes to power transformers, temperature monitoring is critical—but not all methods deliver the same level of accuracy. One ...
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What are the requirements when 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 ...
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Will there will be any transformer de-rating by changing from mineral oil to an ester fluid?
ANSWER: Distribution transformers: unlikely Power transformers: an assessment may be required Transformer rating after retrofilling with ...
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1 min read
How do you process and handle used transformer ester fluids?
ANSWER: Depending on their condition, Midel fluids can be reprocessed and reclaimed using similar equipment and methods to mineral oil. ...
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Is interfacial tension a meaningful property for MIDEL fluids?
ANSWER: Interfacial Tension (IFT) is routinely used as an indicator of polar contaminants in mineral oil and can be directly related to oil ...
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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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What is the Power Factor of MIDEL ester fluids?
ANSWER: Power factor is the ratio of resistance current to capacitance current in an insulation system. In new mineral oil transformers ...
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If Midel ester fluids have high acid levels, how do I recondition my fluid?
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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