Product Overview
The Woodward XI1S5 is a state-of-the-art earth fault protection relay from the Woodward Professional Line,designed to safeguard electrical machines,lines,and networks in industrial automation systems.Engineered for solid or resistance-grounded grids,the XI1S5 excels in detecting earth faults with high precision,making it an essential component for radial networks and backup protection at central earthing points.Its core functionality lies in its ability to monitor and respond to earth faults,ensuring system stability and preventing costly equipment damage.The XI1S5 integrates seamlessly with Woodward’s control systems,offering robust protection for critical applications in power generation,oil and gas,and industrial plants.
With a 5A nominal current rating,the Woodward XI1S5 supports a wide range of fault detection scenarios,featuring adjustable trip characteristics(DEFT,NINV,VINV,EINV)compliant with IEC 60255-1 standards.Its compact design and advanced diagnostic capabilities make it a versatile solution for complex network topologies,including ring systems and meshed grids when paired with directional sensing variants.By providing reliable fault isolation and rapid response,the XI1S5 enhances operational safety,reduces downtime,and optimizes maintenance,delivering exceptional value for industries prioritizing electrical reliability and efficiency.
Technical Specifications
Product Model|XI1S5
Manufacturer|Woodward
Product Type|Earth Fault Protection Relay
Nominal Current|5 A
Input Voltage|24 VDC to 110 VDC
Trip Characteristics|DEFT,NINV,VINV,EINV
Overload Capacity|250 x In(half cycle),100 x In(1s),30 x In(10s),4 x In(continuous)
Communication Protocol|IEC 60255-1 compliant
Operating Temperature|-20°C to+70°C
Physical Dimensions|90 mm x 105 mm x 115 mm
Weight|0.6 kg
Protective Rating|IP20
Mounting Type|DIN rail or panel mount
Main Features and Advantages
The Woodward XI1S5 delivers unmatched reliability through its advanced earth fault detection,capable of identifying faults across solid or resistance-grounded networks with pinpoint accuracy.Its programmable trip characteristics(DEFT,NINV,VINV,EINV)allow tailored protection settings,ensuring optimal response to specific fault conditions.This flexibility makes the XI1S5 ideal for diverse applications,from radial to complex meshed systems.
Robust fault handling:With an overload capacity of 250 x In for half a cycle and continuous operation at 4 x In,the XI1S5 ensures robust performance under extreme conditions.Its high sensitivity detects low-level faults,preventing escalation and protecting equipment like motors and transformers.
Seamless integration and diagnostics:The XI1S5 integrates effortlessly with Woodward control systems,supporting IEC 60255-1 standards for reliable data exchange.Built-in diagnostics and LED indicators provide real-time status updates,simplifying fault identification and reducing troubleshooting time by up to 25%.
Durability for harsh environments:Designed for rugged industrial settings,the XI1S5 operates reliably from-20°C to+70°C and resists electromagnetic interference,ensuring consistent performance in noisy environments like power plants.Its compact,DIN-rail-compatible design saves space while offering easy installation and maintenance,making it a cost-effective solution for enhancing system safety and longevity.
Application Field
In power generation,the Woodward XI1S5 protects generators and transformers by detecting earth faults,preventing damage and ensuring grid stability.Its high sensitivity and rapid response address issues like insulation failures,reducing outage risks in substations.
In oil and gas facilities,the XI1S5 safeguards electrical networks in refineries and offshore platforms,where earth faults could lead to hazardous incidents.Its robust design ensures reliable operation in high-EMI environments,maintaining safety compliance.
Manufacturing plants utilize the XI1S5 to monitor motors and conveyors,preventing production halts due to electrical faults.Its programmable settings allow customization for specific machinery,enhancing operational efficiency.In transportation systems,such as railway networks,the XI1S5 provides backup protection for traction power systems,mitigating risks of grounding failures and ensuring continuous operation.Its versatility across industries underscores its role as a critical component for reliable electrical protection.
Related Products
XI1S1:1A earth fault relay,similar to XI1S5,for lower current applications.
XI1S5R:Directional earth fault variant,enhances XI1S5 with selective protection for ring systems.
XI1-I-5:Overcurrent and short-circuit relay,complements XI1S5 for broader protection.
XI1S1R:1A directional relay,pairs with XI1S5 for complex network topologies.
9905-796:Woodward digital synchronizer,integrates with XI1S5 for power system control.
9907-014:Speed controller,supports XI1S5 in motor-driven applications.
8273-1011:Load-sharing control,enhances XI1S5 in distributed power setups.
Installation and Maintenance
Pre-installation preparation:Before installing the Woodward XI1S5,ensure a stable power supply(24-110 VDC)with±10%tolerance.Verify the DIN rail or panel is secure and free of debris.Use shielded cables for input connections to minimize interference,adhering to IEC 60255-1 wiring standards.Align the XI1S5 with the mounting slot and secure it firmly,ensuring proper grounding to avoid electrical noise.
Maintenance recommendations:Regular upkeep of the Woodward XI1S5 involves quarterly cleaning with a dry cloth to remove dust.Inspect connections annually for corrosion or looseness,using a multimeter to verify signal integrity.Monitor LED indicators for fault alerts and update settings via Woodward’s configuration software during scheduled maintenance.Store spare XI1S5 units in a dry,ESD-safe environment to ensure readiness for replacements,maintaining system uptime.
Product Guarantee
Our company stands firmly behind the Woodward XI1S5,ensuring exceptional quality through rigorous factory testing to eliminate defects.We provide comprehensive after-sales support,including 24/7 technical assistance and remote diagnostics to address issues swiftly.With a robust warranty covering materials and workmanship,the XI1S5 guarantees reliable performance in critical applications.Our tailored training programs empower your team to optimize the XI1S5’s capabilities,from setup to fault management.Partner with us for confidence in your protection systems,delivering unmatched reliability and efficiency to keep your operations running smoothly.
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