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Technical Paper: Considerations for Effective RS-485 Network Design
This application note provides guidance for designing reliable RS-485 communication networks, including wiring practices, termination methods, biasing techniques, and physical layer considerations for industrial communication systems.
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Group E, 1 inch, Class 2, Drawing
This drawing provides mechanical specifications, outline dimensions, and mounting information for Group E, 1-inch, Class 2 current transformers.
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Group D, 7/8 inch, Class 2, Drawing
This drawing provides mechanical specifications, outline dimensions, and mounting information for Group D, 7/8-inch, Class 2 current transformers.
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Group C, 3/4 inch, Class 2, Drawing
This drawing provides mechanical specifications, outline dimensions, and mounting information for Group C, 3/4-inch, Class 2 current transformers.
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Group B, 3/4 inch, Class 2, Drawing
This drawing provides mechanical specifications, outline dimensions, and mounting information for Group B, 3/4-inch, Class 2 current transformers.
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Group A, 5/8 inch, Class 2, Drawing
This drawing provides mechanical specifications, outline dimensions, and mounting information for Group A, 5/8-inch, Class 2 current transformers.
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Technical Paper: Voltage Restrained Time Overcurrent Relay Principles, Coordination, and Dynamic Testing Considerations
This technical paper examines voltage-restrained and voltage-controlled time overcurrent relay principles, coordination methods, and dynamic testing considerations, with a focus on generator protection applications and relay response under changing system conditions.
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Technical Paper: Upgrading Intertie Protection to meet TX PU Standards
This technical paper explains how intertie protection systems can be upgraded to meet Texas Public Utility Commission requirements, covering relay selection, protection functions, grounding considerations, and lessons learned from a distributed generation interconnection project.