Hi @hamidrizwan, thank you for participating in the Industrial Electrical Homework. We have assessed your Homework post , and the below captures our assessments. *** A. You have drawn the transformer and identified it according to its voltage. You can identify the transformer by looking at the primary and secondary turns if you want. Then you figure out the turns ratio of the transformer, which is correct. B. You have written the names and functions of different parts of the transformer. There are two thermostats, OTI and WTI, that measure the temperature. Which gives an output signal when the oil and coil are hot. C. Our or your home transformers are step-down power transformers or distribution transformers. They are sized based on load. The home appliances in your home are of low voltage, so the voltage is reduced through a step-down transformer. D. You cannot use load equivalent transformers. The transformer can be used at 80% load. Your answer is correct. E. The name of the transformer company is Energypac. The name of the transformer is power transformer or distribution transformer, or step up or step down transformer. I hope you understand your mistake. F. You have correctly calculated the transformer's HT and LT currents. You need to know how to calculate the load capacity of a transformer for a production sector. G. Power factor for higher load users. Electricity companies levy PF charges to prevent electricity wastage. The power factor is what I stress the most in my work. I must keep the power factor value between 0.95 -1 every day. Power factor improvement is done using power capacitors. H. For primary and secondary voltage, the current of the transformer is the main difference. Here is a transformer for high load and another for low load. Your presentation is beautiful.

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Comment/Recommendation

Thank you for doing nice homework and reading Industrial Electrical Lessons. You drew pictures of transformers to show the difference, enhancing the homework's beauty. You have correctly calculated the transformer's HT and LT currents. Good luck to you.

***Scores*** |Sl. No|Score|Sl. No|Score| |-|-|-|-| |A|1.5|E|0.3| |B|2|F|2.5| |C|0.5|G|0.3| |D|1|H|1.5| |Total|9.6| |-|-|