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Transformer Protection

Holistic transformer protection solutions

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EPESOL offers best solution for Power Transformers, the most critical assets of a power system, for all sizes and applications. Reliable Differential Algorithm for 2 and 3 winding transformers. Enhanced Event & Fault Recording Feature. Friendly User Interface. Advanced automation capabilities using Flex Logic. Easy integration into new or existing installation

Multin’s T60

  • Secure high-speed protection for transformers, compliant with IEEE C37.91
  • Advanced IEC 61850 Ed. 1 and Ed. 2 certified implementation
  • Improved security for transformer energization
  • Three independent fiber or copper Ethernet ports for simultaneous/dedicated network connections with advanced 1 microsecond time synchronization
  • Phasor Measurement Unit (synchrophasor) according to IEEE C37.118 (2014) and IEC 61850-90-5 support

Multin’s T35

  • Secure high-speed transformer differential protection in a cost-effective package
  • Improved security for transformer energization and inrush
  • Application flexibility for transformers with up to 6 sets of CTs
  • Advanced IEC 61850 Ed. 1 and Ed. 2 certified implementation
  • Application flexibility with multiple I/O options

Multin’s 845

  • Comprehensive transformer protection including fast operating differential protection, unique CT saturation and directional detection
  • Advanced transformer monitoring, diagnostics and disturbance recording extending asset life
  • Integrated protection & DGA for continuous transformer monitoring
  • Integrated arc flash detection using light sensors to reduce incident energy and equipment damage
  • High-end cyber security tools such as AAA, Radius, RBAC, and Syslog enabling NERC CIP requirements

Multin’s 345

  • Designed for the protection, control and management
  • Economy solution for Feeder protection
  • Integrated arc flash protection, metering, monitoring and diagnostics
  • Also offers preventative maintenance, advanced communications and security
  • Flexible communications with multiple ports and protocols allowing seamless integration
  • Increased network availability Zero failover time through IEC® 62439-3 PRP and HSR support

P642/3/5

  • High stability during external fault with heavy CT saturation due to transient bias technique
  • No slow-down of differential elements due to 2nd harmonic component in fault currents
  • Adaptable to transformers with considerable CT mismatch between terminals – matching factor up to 20
  • Current transformer supervision operates with or without voltage inputs, fast enough to prevent any spurious tripping and alarm
  • NERC CIP cybersecurity
  • Binary inputs ESI48-4 EB2 compliant

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Auxiliary 

Equipment

The best in class, complete range of trip, lockout, and supervision relays and test blocks to meet each application requirement.
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M&D

Transformer

Complete transformer monitoring and diagnostic solution from single and multigas, online and offline, dissolved gas analysis to on-site 30-minute fast DGA.
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EHV

Panels

EPESOL is the market leader in Panels design and manufacturing with its offering in protection and control, AC/DC auxiliary, Automation, Metering and Event/Fault recorder panel.
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Engineering

Services

Starting from trip event analyses & system coordination to complete primary and secondary engineering, EPESOL offers world’s leading engineering solutions.
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