Given: 275 kW, 3-phase, 6,600 V was tested with the following results. OCT in volts SCT in Amps With the stator short circuited, a field current of 50 A yields a : 5600 : 46.5 6600 7240 8100 58 67.5 96 short circuit current of 35 A. Determine by MMF Method the following at unity power factor FIND: 1. FIELD CURRENT REQUIRED TO PRODUCE RATED VOLTAGE AT NO LOAD= AMPS 2. FIELD CURRENT TO NEUTRALIZE THE EFFECTS OF ARMATURE REACTION==. AMPS 3. Field current required to produce rated voltage at full load 4. no-load voltage= V 5. %VR

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Three-Phase Transformers

Three-segment transformers are a type of transformer used to transform voltages of electrical systems into three ranges. Two type transformers are shell-type transformer and core type transformer. In brief, it could be described because of the exquisite kinds of configurations.

Transformer

Ever since electricity has been created, people have started using it in its entirety. We see many types of Transformers in the neighborhoods. Some are smaller in size and some are very large. They are used according to their requirements. Many of us have seen the electrical transformer but they do not know what work they are engaged in.