Ideal Transformer on Load

Ideal Transformer on Load: In order to visualize the effect of flow of secondary current in a transformer, certain idealizing assumptions will be made which are close approximations for a…

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Transformer Cooling System

Transformer Cooling System: Transformer Cooling System (Large Units) - Basically, there are two seats of losses in a transformer namely: Core, where eddy current and hysteresis losses occur (caused by…

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Application of Permanent Magnet Motor

Application of Permanent Magnet Motor: Application of Permanent Magnet Motor are given in Table 2.1. These properties are: residual flux density Br, coercive magnetizing force Hc maximum energy stored (BH)max…

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Define Permanent Magnet in Magnetic Circuits

Define Permanent Magnet in Magnetic Circuits: Define of Permanent Magnet is an important excitation source (life long) commonly employed for imparting energy to magnetic circuits used in rotating machines and…

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Magnetic Properties of Materials

Magnetic Properties of Materials: Magnetic Properties of Materials - From the magnetic point of view a material is classified according to the nature of its relative permeability (μr). All nonmagnetic…

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Magnetic Circuit Calculations

Magnetic Circuit Calculations: Normally magnetic circuit calculations involve two types of problems. In the first type of problem it is required to determine the excitation (mmf) needed to establish a…

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