secondary equipment Secondary equipment you should always consider when retrofitting existing HV substation By electrical-engineering-portal.com Published On :: Mon, 17 Sep 2018 05:56:37 +0000 This approach assumes retrofitting and upgrading old substation secondary equipment such as intelligent electronic devices (IEDs), monitoring sensors, power apparatus, communication protocol and operating standards to improve the overall performance or reduce cost without disrupting the continuity of service. For... Read more The post Secondary equipment you should always consider when retrofitting existing HV substation appeared first on EEP - Electrical Engineering Portal. Full Article Monitoring Power Substation Protection bus protection control house dga fiber optic cables ieds intelligent electronic devices Oil and gas monitoring devices retrofitting secondary equipment switchyard sensors transformer protection