What is the function of a Potential Transformer?

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $25.99Unlock all

Prepare for the UPS Industrial Maintenance Mechanic Test with our comprehensive resources. Test your knowledge with flashcards and multiple choice questions, complete with hints and detailed explanations. Equip yourself for success!

Multiple Choice

What is the function of a Potential Transformer?

Explanation:
A Potential Transformer's job is to convert high line voltage into a lower, proportional voltage that metering instruments and protective relays can safely read. Through its turns ratio, it scales the voltage so meters and protection circuits see a standard, manageable signal while remaining isolated from the high-voltage circuit. This makes accurate voltage metering and reliable protection possible without exposing control equipment to dangerous voltages. It’s not for power factor correction, and current is measured with a current transformer, not a potential transformer.

A Potential Transformer's job is to convert high line voltage into a lower, proportional voltage that metering instruments and protective relays can safely read. Through its turns ratio, it scales the voltage so meters and protection circuits see a standard, manageable signal while remaining isolated from the high-voltage circuit. This makes accurate voltage metering and reliable protection possible without exposing control equipment to dangerous voltages. It’s not for power factor correction, and current is measured with a current transformer, not a potential transformer.

More Multiple Choice Questions
Subscribe

Get the latest from Passetra

You can unsubscribe at any time. Read our privacy policy