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EATON ETR-4000 Series Transformer Relays
Eaton ETR-4000 Series transformer relays are microprocessor-based units that monitor the transformer's operation and protect it from faults and abnormal conditions. They are ideal for use in the power generation, power transmission, telecommunications and transportation industries.
AWorking Mechanism
- When an abnormal condition or fault is detected, the relay initiates a trip signal to disconnect the transformer from the power system, protecting it from damage & ensuring safe and reliable operation.
Features
- Eaton ETR-4000 Series transformer relays have 14 programmable LEDs for quick & easy display of operating status.
- Their unrestrained differential element offers quick tripping to prevent catastrophic damage and reduce risks to the rest of the power system.
- Their front panel LCD with background illumination allows for wide-angle viewing in all light conditions.
- These transformer relays have zone selective interlocking to improve coordination and tripping time.
- Their maintenance mode provides a simple and reliable method to reduce fault-clearing time and lower incident energy levels at energised panels.
Frequently Asked Questions
How to maintain transformer relays?
Common maintenance practices for transformer relays include testing, inspection, cleaning, calibration and replacement of faulty components.
How to troubleshoot a faulty transformer relay?
Troubleshooting a faulty transformer relay involves checking the wiring connections, inspecting the relay for physical damage, testing the electrical parameters and analysing the fault records.
How to clean a transformer relay?
A transformer relay can be cleaned using a soft, dry cloth or brush to remove dust and debris.
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