NDLI: Improving Protection System Reliability With Automatic NERC PRC-005 Testing and Reporting

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Improving Protection System Reliability With Automatic NERC PRC-005 Testing and Reporting

Content Provider	Semantic Scholar
Author	Jenkins, Robin
Copyright Year	2015
Abstract	This paper is a case study of the design process and validation of a hydroelectric generating station protection system monitoring (PSM) application that provides an automated system to meet many of the requirements of NERC PRC-005. This system communicates with intelligent electronic devices (IEDs) to perform real-time validation and status reporting. Critical protection system components, including potential transformers, current transformers, relays, and communications channels, are automatically monitored for function and accuracy. The system includes automatic collection of event reports and disturbance records to provide enterprise-level event storage and analysis. A discussion of future enhancements, such as trip circuit validation, is also included. Isolation of the PSM of relay health and settings from the protection, control, and monitoring (PCM) IED network operation is discussed to address system security. The system design was tested using the design of an actual hydroelectric generating station. This paper includes lessons learned from a full test simulation of the system. Two major distinctions between traditional protection system maintenance and the testing performed by the PSM system are the automatic and continuous natures of the reporting. Traditional protection system maintenance is performed by technicians when returning equipment to service following infrequent and expensive tests or repairs. The PSM system instead constantly monitors the condition and performance of in-service equipment, evaluating and reporting the overall health of the system. In doing so, the PSM system not only improves the overall reliability of the bulk electric system by performing continuous real-time evaluations of critical protection system components but also reduces or eliminates the exposure to fines due to a missed test.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://cdn.selinc.com/assets/Literature/Publications/Technical%20Papers/6540_ImprovingProtection_RJ_20120222_Web.pdf?v=20151125-175644
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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