A workshop from a 231/400 V transformer center with a 3-phase and four-conductor underground cable fed. The resistance of the phase conductors is 0.035 ohms and the resistance of the neutral conductors is 0.05 ohms. 25 kVA at 0.8 reverse power factor from R phase of the supply line, 0.8 forward power factor from S phase 15 Fully ohmic loads of 10 kVA are drawn from kVA and T phases. (a) Find the currents flowing through the phase conductors and neutral conductors. (b) Voltage drops between the transformer substation and the workshop and at the load terminals. calculate the voltages (c) Plot the supply line currents and phase voltages phasorally.
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.
A workshop from a 231/400 V transformer center with a 3-phase and four-conductor underground cable
fed. The resistance of the phase conductors is 0.035 ohms and the resistance of the neutral conductors is 0.05 ohms.
25 kVA at 0.8 reverse power factor from R phase of the supply line, 0.8 forward power factor from S phase 15
Fully ohmic loads of 10 kVA are drawn from kVA and T phases.
(a) Find the currents flowing through the phase conductors and neutral conductors.
(b) Voltage drops between the transformer substation and the workshop and at the load terminals.
calculate the voltages
(c) Plot the supply line currents and phase voltages phasorally.
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