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Archive: Category «Transformers»

Testing and Commissioning

Inspection and Test procedures for Instrument Transformers

Visual and Mechanical Inspection Electrical Tests: Electrical Tests – Current Transformers Electrical Tests – Voltage Transformers Electrical Tests – Coupling-Capacitor Voltage Transformers Electrical Tests – High-Accuracy Instrument Transformers (Reserved) Test… Read more

Apr 04, 2014 | By Edvard

Inspection and Test procedures for Instrument Transformers
Testing and Commissioning

Testing Procedures for HV Voltage Transformers

Equipment required for testing General inspection Insulation Resistance Test Polarity Test Transformer Turns ratio test Following equipment is necessary to perform testings: Polarity test kit Megger 500-5000V Ohmmeter Multimeter Autotransformers… Read more

Feb 28, 2014 | By Edvard

Testing Procedures for HV Voltage Transformers (photo credit: hvcafrica.com)
Transformers

Economic Evaluation of Transformer Losses

Transformer losses represent power that cannot be delivered to customers and therefore have an associated economic cost to the transformer user/owner. A reduction in transformer losses generally results in an increase in… Read more

Jan 01, 2014 | By Edvard

Economic Evaluation of Transformer Losses


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