ELUT 1110 Transformer Banking I

Description

Transformer Banking I covers the construction, purpose, uses, and calculations for distribution transformers. Emphasis will be on installation of single or three-phase banking practices that are used in the private and public sector of the electric utility industry.

Credits

3

Topics to be Covered

1. Wye, Delta, and Parallel transformer banks

2. Basic electrical theories and principles

3. Single phase, v phase, and 3 phase transformer connection

Learning Outcomes

1. Define: step-down transformers, step-up transformers, transformer efficiency, exciting current, ampere-turns, and primary winding to secondary winding voltage and current ratios.

2. Explain and calculate the correct voltage, current, and frequency operating requirements for transformers.

3. Describe and calculate a dual load, three phase, four wire service connected in delta-delta, delta-wye, wye-wye, wye-delta, open wye-open delta, and open delta-open delta.

4. Diagram and explain the standard procedures for making a delta-delta, delta-wye, wye-wye, wye-delta, open wye-open delta, and open delta-open delta using single-phase transformers

5. Connect both underground and overhead transformers in the following banks: parallel two transformers, a delta-delta, delta-wye, wye-wye, wye-delta, open wye-open delta, and open delta-open delta

6. Classify special transformers according to their use and application.

Credit Details

Lecture: 2

Lab: 1

OJT: 0