Woodward XR1 User Manual

XR1 – Rotor Earth Fault Relay
Manual XR1 (Revision A)

Woodward XR1 Specifications

General

Brand	Woodward
Model	XR1
Category	Relays
Language	English

Summary

Applications and Features

Design

Measuring Paths

How the protection relay measures resistance via terminals U1 and U2.

Auxiliary Voltage Supply

Details on the separate auxiliary voltage supply for the XR1 unit.

Contact Positions

Diagrams illustrating output relay contact positions for fault states.

Function

Operation and Settings

LEDs

Explanation of LED indicators for readiness, pickup, and tripping.

Test Push Button

Description of the push button for unit testing and hardware check.

Setting of DIP-Switches

Setting of the Tripping Values

Communication via Serial Interface Adapter XRS1

Relay Case and Technical Data

Relay Case

Details on the DIN-rail mounting and front plate protection.

Technical Data