A Wye-Delta Transformer Has a Turns Ratio of 2:1

question 15

Multiple Choice

A wye-delta transformer has a turns ratio of 2:1. It has a secondary line voltage of 480 V. The secondary is connected to a wye-connected three-phase resistive load of 50 Ω in each phase. What is the primary line current?

• A) 1.6 A
• B) 1.924 A
• C) 2.77 A
• D) 3.2 A

---

Definitions:

Performance

The act of carrying out a task or function, often evaluated against known standards or objectives.

Social Responsibility Audit

A measure of an organization's performance in various areas of social responsibility.

Systematic Assessment

An organized evaluation process to systematically analyze and review something in detail.

Corporate Social Responsibility

The practice by companies to act ethically and contribute to economic development, work life quality, local community, and society at large in a sustainable manner.