Digital relays improve protection of large transformers
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abstract
Advanced digital signal processing techniques and artificial intelligent approaches to power system protection provide the means to enhance the protection principles and facilitate faster, more secure, and dependable protection for power transformers. Also, it is anticipated, in the near future, more measurements will be available to transformer relays, owing both to substation integration and sensors installed on power transformers. All of this will change the practice for power transformer protection. The new approaches and future directions in digital relaying for power transformers are discussed.