Protection & Control
Transformer Protection
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T60 Transformer Protection System
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High-speed, three-phase, multiple winding transformer protection system.
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Intended for the primary protection and management of small, medium and large power transformers.
- Large color graphical HMI and high density I/O option available.
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845 Transformer Protection System
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High-speed draw-out multiprocessor-based relay for transformer protection and management.
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Intended for the primary protection and management of small, medium and large power transformers.
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Comprehensive transformer health monitoring, diagnostics and reporting with integrated connectivity to single and multi-gas transformer DGA solutions.
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345 Transformer Protection System
- Primary and backup protection of small and medium sized, 2-winding, distribution transformers.
- Advanced communications and algorithms for magnitude and phase compensation.
- Temperature monitoring via remote RTD’s using the RMIO module supporting up to 12 RTDs.
- Draw out or non draw out options as well as draw out with no chassis option available.
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P643 - 3 End Transformer Management Relay
- Comprehensive protection for 3 winding transformers, or 2 winding with dual breaker feeding on one side
- High and low impedance restricted earth fault (REF), Fast reset (less than 1 cycle) circuit breaker failure element
- Integral asset management capability: transformer thermal overload (IEEE Standard C57.91), loss of life (LOL) and through fault monitoring
- IEC 61850/DNP 3.0 redundant Ethernet, supporting self-healing ring, RSTP, dual homing, PRP or HSR
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P642 - 2 Winding Transformer Management Relay
- Comprehensive suite of main and back-up protection for 2 winding applications
- High and low impedance restricted earth fault (REF), Fast reset (less than 1 cycle) circuit breaker failure element
- Integral asset management capability: transformer thermal overload (IEEE Standard C57.91), loss of life (LOL) and through fault monitoring
- IEC 61850/DNP 3.0 redundant Ethernet, supporting self-healing ring, RSTP, dual homing, PRP or HSR
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P652 - 2 Winding Transformer Management Relay
- Protection for 2 winding applications
- High-speed differential, inrush restraint, REF (high or low impedance modes), thermal overload, backup overcurrent / earth fault protection (HV and LV)
- Supervision including measurement, monitoring and recording functions
- Serial communication protocols (Modbus, IEC60870-5-103, DNP3.0)
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P645 - 5 End Transformer Management Relay
- Comprehensive protection for 2 or 3 winding transformers, with dual breaker feeding on up to two sides
- High and low impedance restricted earth fault (REF), Fast reset (less than 1 cycle) circuit breaker failure element
- Integral asset management capability: transformer thermal overload (IEEE Standard C57.91), loss of life (LOL) and through fault monitoring
- Compact 40TE Digital Substation version supporting IEC61850-9-2 LE and IEC61850-8-1 Ed 2
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T35 Transformer Protection System
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Cost effective transformer protection for up to six windings.
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A Digital three?phase transformer relay designed to protect any size of power transformer with up to six windings/restraints.
- Large color graphical HMI and high density I/O option available.
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P641 Transformer Protection Relay
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Retrofit
- Quick, 3-step solution to upgrade previously installed SR 750 relays to the Multilin 850
- Eliminates the need for modifications to switchgear cut-outs, re-wiring, and new drawings or re-engineering
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