Guide IEEE Guide for Protecting Power Transformers
The purpose of this guide is to provide protection engineers with information to assist in properly applying relays and other devices to protect transformers used in transmission and distribution systems.
Guide Instrument Transformers Application Guide
A voltage transformer is ideally a transformer under no-load conditions where the load current is zero and the voltage drop is only caused by the magnetizing current and is thus negligible.
Guide Instrument Transformers
An introduction to instrument transformer fundamentals, a discussion on power quality, and a detailed explanation of design considerations to assist in selecting an instrument transformer.
Guide IEEE Guide for Protective Relay Applications to Power Transformers
This guide deals primarily with the application of electrical relays and over-current protective devices to detect the fault current that results from an insulation failure.
Guide Instrument Transformer Calculations and Dimensioning For
The purpose of this document was to get to know the theory behind instrument transformers in substations and to create a calculation template in Microsoft Excel which would
Guide Standards for Transformer Protection | Delgado Relay Protection
This guide provides a comprehensive overview of various transformer protection schemes and offers recommendations for relay selection, coordination, and settings.
Guide IEEE Standard Requirements for Instrument Transformers
Annex B, covering bushing current transformers and two classes of instrument transformer requirements have been introduced. In addition, this standard has been reorganized to make it more understandable.
Guide Instrument Transformer Basic Technical Information and Application
While all instrument transformers should be clearly marked as to their polarity, it is sometimes necessary to verify existing markings or to determine the polarity of an old or unmarked transformer.
Guide Transformer Protection Application Guide
This guide focuses primarily on application of protective relays for the protection of power transformers, with an emphasis on the most prevalent protection schemes and transformers.