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Power transformer brief introduction

Shandong Weite Transformer Factory | Updated: Nov 30, 2016

Transformers are used to transform alternating voltages, currents and transmission a stationary electrical equipment to AC power. It is based on the principle of electromagnetic induction transfer of power. Transformer on its uses can is divided into power transformer, and test transformer, and instrument with transformer and the special uses of transformer: power transformer is power lost distribution, and power user distribution of necessary equipment; test transformer on electrical equipment for resistance pressure (boost) test of equipment; instrument with transformer as distribution system of electrical measurement, and following electric protection of with (PT, and CT); special uses of transformer has smelting electricity furnace transformer, and welding transformer, and electrolytic with rectifier transformer, and small adjustable pressure transformer.

Power transformer is a static electrical equipment, is used to a certain value of ACvoltage (current) into another one or several values of the same frequency in different voltage (current) devices. When the windings of AC, it generates an alternatingmagnetic flux, alternating magnetic flux through the iron core, AC electric potentialinduced in the secondary winding. Secondary induced electromotive height and one or two winding number of turns, or voltage is proportional to the size and number of turns. Main role is to transmit power and, therefore, rated capacity of its main parameters. Nominal size is an power usage value, it is the characterization of the transmission of power, expressed in kVA/MVA, when placed on the transformerat rated voltage, determined in accordance with its specified 1„ÄĀtemperature conditions does not exceed the rated current. More energy of amorphous alloy distribution transformer power transformer, its biggest advantage is that exceptionally low no-load loss values. Can ultimately ensure that the no-load loss values are core issues to be considered in the design process as a whole. When product structurelayout, in addition to considering the amorphous alloy core itself is not subject toexternal forces outside, while calculations must be accurate and reasonable parameters of selected characteristics of amorphous alloy.

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