Description

Woodward XN21 XN2 Voltage, Frequency and Vector Surge Protection Relay

Woodward XN21 XN2 relay : Voltage, Frequency and Vector Surge relay
Mains decoupling / Generator Protection / Load shedding

Woodward XN21 XN2 relay: Functions

The relay XN2 of the easy PROFESSIONAL LINE is a universal mains decoupling relay and contains the protective functions required for the mains parallel operation of power stations:
• Over- and undervoltage protection
• Over- and underfrequency protection
• Phase sequence supervision
• In addition, for the XN2-1: vector surge (fast decoupling of the generator in case of mains failure)
• in addition, for the XN2-2: df/dt (fast decoupling of the generator via frequency gradient supervision)
The XN2 is compliant with IEC 60255-1.
Order Variants of the XN2
• XN2-1 (voltage, frequency, vector surge) – ANSI 27, 59, 78V
• XN2-2 (voltage, frequency, df/dt) – ANSI 27, 59, 81R

Benefits of the Professional Line
• Fast DIN rail mounting ⇛ easy and fast mounting
• Sealable plastic covers ⇛ safe (see if anybody has broken the seal)
• Super easy settings via front buttons ⇛ fast without computer
• LED and output relays fault indication ⇛ easy to find out what has happened
• Compact form factor ⇛ fits in small spaces
• IT security ⇛ no way to attack via Ethernet
• Robust and reliable ⇛ well proven reliable quality
• Wide Range Power Supply ⇛ don’t worry about available supply voltage
• Integrated Self-Test Procedure (via button) ⇛ fast and easy checks: relays, LEDs

Woodward is an independent designer, manufacturer, and service provider of control solutions for the aerospace and industrial markets. Our aerospace systems and components optimize the performance of fixed wing and rotorcraft platforms in commercial, business and military aircraft, ground vehicles and other equipment.
Its industrial related systems and components enhance the performance of industrial gas and steam turbines, reciprocating engines, compressors, wind turbines, electrical grids and other energy related industrial equipments. The company’s innovative fluid energy, combustion control, electrical energy, and motion control systems help customers offer cleaner, more reliable and more efficient equipment. Our customers include leading original equipment manufacturers and end users of their products.

Interconnection / Mains Decoupling

During mains failures, DER (Distributed Energy Resources) should stay operated and connected to the grid to support decreasing mains voltage, by feeding reactive power. Woodward has developed various Intelligent Electronic Devices, which are in compliance with international grid requirements (Grid Codes), to avoid electrical or mechanical damage to the DER in these cases.

The following product lines offer the right Interconnection / Mains Decoupling products to you.

HIGHPROTEC LINE

The new HighPROTEC line is the latest generation of complete protection for medium-voltage power systems. Learn more about HighPROTEC Interconnection / Mains Decoupling devices:

MCA4 | MRA4| MRU4 | MCDTV4 | MCDGV4

HIGH TECH LINE

These modular relays combine well-proven technology with easy handling.

PROFESSIONAL LINE

Comprehensive protective functions and competitive performance ratio are the hallmark of these relays.

BASIC LINE

Woodward supervision relays for low voltage applications are equipped with a precise micro-controller and designed for DIN-rail mounting. They are easy to operate and simplify commissioning. This is advance technology at a low price.

To explore protection functions and comprehensive series of devices, click here!