This instruction manual provides installation and operation information for the BE1-87T Transformer Differential Relay. It covers relay specifications, controls and indicators, functional operation, installation requirements, and testing procedures.
This instruction manual provides installation and operation information for the BE1-87G Generator Differential Relay. It covers relay specifications, controls and indicators, functional operation, installation requirements, testing procedures, and setting instructions.
This application note explains methods for applying mixed-ratio current transformers (CTs) in high-impedance bus protection schemes. It discusses practical approaches, associated limitations, and design considerations to help maintain dependable bus differential protection performance.
This product bulletin provides an overview of the features, benefits, specifications, and configuration options of the BE1-87B Bus Differential Relay.
This instruction manual provides installation and operation information for the BE1-87B Bus Differential Relay. It covers relay specifications, controls and indicators, application guidelines, installation procedures, and testing requirements.
This application note clarifies the undervoltage inhibit operating characteristics of the BE1-810/U Over/Underfrequency Relay. It explains timing coordination between frequency and voltage detection functions to help prevent unwanted trips and ensure proper relay operation during abnormal system conditions.
This product bulletin provides an overview of the features, benefits, specifications, and configuration options of the BE1-81O/U Overfrequency and Underfrequency Relay.
This instruction manual provides installation and operation information for the BE1-81O/U Overfrequency/Underfrequency Relay. It covers controls and indicators, functional operation, mounting and connection requirements, testing procedures, and relay specifications.
