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    Transformers Magazine Vol. 6 Issue 4

    BY MLADEN Banovic, PhD, Editor-in-Chief

    Megacities

    Resilient solutions for electrical power supply   Motivation Cities offer higher living standards than rural areas, which motivates people in areas of lower standards to...

    Interview with Cai Zixiang, Chairman, PTTX

    PTTX supplies global market PTTX is a manufacturer of transformer cores with more than 200 employees that uses automated intelligence in its manufacturing process. From...

    Column: Transformer lifecycle

    Transformer measurement policies for optimum asset management value   Introduction Power transformers are crucial components in our systems for transmission and distribution of electrical power....

    ABB’s oil-free transformers

    Environment comes first with ABB’s oil-free transformers Oil-filled transformers are the predominate transformer technology in use today. Nonetheless, hazardous risks to humans and the environment...

    Ester transformer designs

    Eco-friendly ester liquid transformer designs   Ester liquids have been used in transformers for insulation and cooling purposes for over 20 years. These liquids greatly...

    Driving down losses

    Driving down energy losses in transformers   With some 5 percent of global electrical energy being consumed by transformer losses, energy efficiency has become one...

    Transformers for renewables

    ABB transformers for renewable applications   Wind and solar are the fastest growing sources of electric power today for a few simple reasons: They are...

    Column: Water in transformer

    How water affects transformer oil quality and helps monitor its aging   As it is well known, transformer insulation consists of two major components –...

    On-line PD measurement and monitoring

    Easy on-line partial discharge measurement and monitoring   Effective in-service condition assessments Periodic on-line PD measurement and monitoring are considered the most reliable methods of...

    Column: Transformer maintenance

    A century of dissolved gas analysis – part II Introduction With time, the size of the transformer increased exponentially both in power and voltage. Although...

    Connection technology

    Connection technology that pays for itself   Pluggable connection technology versus fixed bushing Flexibility is the byword of our time, yet it poses big challenges...

    Column: Condition monitoring

    Evidence-based asset management   Those charged with managing assets in any electric, gas, or water utility face similar challenges when trying to meet their respective...

    Mineral oils

    Not all mineral oils are equal Abstract The life of a transformer is linked to the fundamental role of insulating liquids to dissipate heat and...

    Retrofitting bushings

    Retrofitting of 245 kV OIP bushing with longer oil-end Abstract This article focuses on an original case history of replacement of a leaky 245 kV...

    Eco design

    Optimization of transformers efficiency   Abstract Following the first article published in July concerning the optimisation of total cost using the PEI for large power...

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