Selecting energy efficient substation transformers

Article Abstract:

The differences between energy efficient distribution transformers and substation transformers are discussed. Losses fall into two categories of coil losses and core losses, and can be calculated using the Transformer Committee of Institute of Electrical & Electronics Engineers standard.

Standards, Usage, Institute of Electrical and Electronics Engineers, Cover Story, Quality management, Transformers, Electric transformers

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Decision: build or upgrade city substations

Article Abstract:

Issues concerning the need to upgrade or rebuild electricity substations in city centres are discussed. The increased demand for power, weighed against lack of suitable space, has led to a variety of solutions such as building underground substations.

Supply and demand, Design and construction, Buildings and facilities, Electricity, BC Hydro and Power Authority

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Pumps critical for transformer cooling

Article Abstract:

Issues are presented concerning the increased loads placed on substation transformers in New York as summer temperatures rise and the demand for air conditioning grows. The systems employed by the Consolidated Edison Co of New York Inc are discussed.

Management, Services, New York, Electric power distribution, Consolidated Edison Company of New York Inc., ED

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