General knowledge:: Technology

@ : Home > General knowledge > Technology > Section 1 - Discussion
 

Larger buildings may be supplied with a medium voltage electricity supply, and will required a substation or mini-sub. What is the main item of equipment contained in these?

A. Transformer B. Transponder
C. Transducer D. Converter

Answer: Option A

Explanation:

The transformer is used to transform a medium voltage supply to a low voltage supply, e.g. from 11 000 V to 400 V. A transformer is rated in kVA, kilo-Volt-Amps, which is a measurement of electrical power.


Write your comments here:
Name *:     Email: