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Navi Mumbai, Maharashtra
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ALSTOM GE Transformer Protection

Prominent & Leading Manufacturer from Navi Mumbai, we offer alstom ge micom agile p842 mesh-corner dar- alstom ge transmission distance protection relays, t60 transformer protection system, t35 transformer protection system, 845 transformer protection and condition monitoring system, kvgc transformer protection system and p642 transformer protection relay.
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ALSTOM GE MiCOM Agile P842 Mesh-Corner DAR- Alstom GE Transmission Distance Protection Relays
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ALSTOM GE MiCOM Agile P842 Mesh-Corner DAR- Alstom GE Transmission Distance Protection Relays

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Mesh-corner DAR

Its flexibility means it can be used with different bus-bar arrangements.The MiCOM Agile P842 Mesh Corner Reclose unit (MCU) provides a flexible, distributed scheme for delayed auto-reclose (DAR) and auto-isolation of a mesh bus station. 

High-speed peer-peer communications

The MiCOM Agile P842 uses high-speed peer-peer communication facilities over ethernet, and provides for the automatic reclosure of circuit breakers. It also ensures automatic isolation of a persistently faulted plant and suppresses ferro-resonance following a system fault.

The equipment is provided on the basis of one MCU per mesh corner. Although each MCU is an autonomous unit, inter-unit communications guarantees co-ordinated control of a complete mesh system.

Flexibility for easy commissioning and fault-finding

The MiCOM Agile P842 ensures that only the faulted electrical plant is isolated for permanent faults. It provides flexibility for different busbar arrangements, carries out system checks, and suppresses ferro-resonance. MiCOM Agile P842 is equipped with real time peer-peer communications and allows easy commissioning and 'fault-finding'.

About MiCOM P40 Agile

Agile’s philosophy is one of continuous improvement in our products and solutions. Our emphasis on communication in MiCOM has become a focus which secures leadership in the digital substation. To mark this phase of evolution, the brand “P40 Agile” is applied to the range. P40 Agile is a mark of performance and quality, proudly available from Agile, and only from Agile.

Key Benefit

  • Secure high-speed protection with improved energization inhibiting
  • Field-proven algorithms and reliable protection to avoid unwanted trips or under-protection
  • Integrated transformer thermal monitoring for asset management maintenance optimization
  • Ground current supervised sensitive ground fault protection for detection of ground faults down to 5% of the winding
  • Temperature monitoring via remote RTD’s using the RMIO module supporting up to 12 RTDs
  • Ease of use and flexibility with one-step setup, universal CT inputs and assignable CT inputs
  • Flexible communications with multiple ports and protocols allowing seamless integration
  • Powerful Security and hierarchical password control for centralized management
  • Drawout design simplifies testing, commissioning and maintenance, thereby increasing process uptime
  • Application flexibility with the use of programmable logic elements
  • Switchgear diagnostics and easy troubleshooting by trip/close circuit supervision and LED and Digital Output Test Mode
  • Environmental monitoring system to monitor operating conditions and plan preventative maintenance
  • Robust design exceeding industry standards, with Automotive Grade components and advanced testing procedures such as accelerated life cycle testing
  • Draw out or non draw out options available
  • Simplified migration of legacy MII Family relays to the 3 Series platform
  • Intuitive configuration software and user-friendly logic configuration tool

Additional Information:
  • Item Code: 345
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T60 Transformer Protection System
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T60 Transformer Protection System

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The T60 is designed for various power applications, including autotransformers, generator step-up transformers, split-phase, angle regulating transformers and reactors. It uses multiple current and voltage inputs to provide primary protection and backup protection of transformers, including differential, ground differential, five distance zones, phase, neutral, and ground overcurrent, under and overvoltage, under and overfrequency, over-fluxing, and breaker failure.

Key Benefits

  • Secure high-speed protection for transformers, compliant with IEEE C37.91
  • Advanced IEC 61850 Ed. 1 and Ed. 2 certified implementation, complete settings via SCL files and flexible process bus support (IEC 61850-9-2LE or IEC 61850-9-2 Hardfiber) ensures interoperability, device managing optimization and reduced cost of ownership
  • Routable GOOSE (R-GOOSE) enables GOOSE messages going beyond the substation, which enables wide area protection and control applications
  • Improved security for transformer energization and inrush provided through a superior adaptive 2nd harmonic restraint algorithm
  • Three independent fiber or copper Ethernet ports for simultaneous/dedicated network connections with advanced 1 microsecond time synchronization via LAN with IEEE 1588 support
  • Sensitive ground fault protection provides low- impedance differential protection down to 5% of the winding to limit transformer damage
  • Phasor Measurement Unit (synchrophasor) according to IEEE C37.118 (2011) and IEC 61850-90-5 support
  • CyberSentry™ provides high-end cyber security aligned to industry standards and services (NERC CIP, AAA, Radius, RBAC, Syslog)
  • Reduced relay-to-relay wiring and associated installation costs through high-speed inter-relay communications
  • Application flexibility with multiple I/O options including high density I/O, programmable logic, modularity, and specific customization
  • An integrated large, full color display, provides real-time visualization and control of the protected bay, via a bay mimic as well as annunciator functionality and graphical visualization of phasors

Additional Information:
  • Item Code: T60
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T35 Transformer Protection System
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T35 Transformer Protection System

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The T35 is designed to provide basic transformer protection functions for variety of transformer applications. It uses multiple current inputs to provide primary protection and backup protection of transformers, including differential, phase and ground overcurrent. The relay can be configured to accept up to 6 sets of current inputs to provide proper differential restraint for applications with three-winding transformers with windings configured in dual-breaker arrangements.


Key Benefits

  • 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
  • Robust network security enabling Critical Infrastructure Protection
  • Advanced IEC 61850 Ed. 1 and Ed. 2 certified implementation, complete settings via SCL files and flexible process bus support (IEC 61850-9-2LE or IEC 61850-9-2 Hardfiber) ensures interoperability, device managing optimization and reduced cost of ownership
  • Routable GOOSE (R-GOOSE) enables GOOSE messages going beyond the substation, which enables wide area protection and control applications
  • High-speed inter-relay communications reduce relay-to-relay wiring and associated costs
  • Application flexibility with multiple I/O options including high density I/O, programmable logic, modularity, and specific customization
  • An integrated large, full color display, provides real-time visualization and control of the protected bay, via a bay mimic as well as annunciator functionality and graphical visualization of phasors

Additional Information:
  • Item Code: T35
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845 Transformer Protection and Condition Monitoring System
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845 Transformer Protection and Condition Monitoring System

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The Multilin™ 845 Transformer Protection System is a member of the Multilin 8 Series protective relay platform and has been designed for the protection, control and management of 2- and 3-winding power and distribution transformers in both utility and industrial applications.

The Multilin 845 provides advanced functionality for a wide range of transformer applications delivering high-speed protection, customizable programmable logic, advanced transformer monitoring and diagnostics, and support for the latest communications protocols for easy integration into new or existing power systems.

The Multilin 845 delivers comprehensive transformer health monitoring, diagnostics, and reporting with integrated connectivity to composite and multiple gas transformer DGA solutions such as, GE’s Kelman Transformer Monitoring devices, delivering actionable analytics for asset optimization and transformer life extension.

Key Benefits

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
Draw-out design simplifies testing, commissioning and maintenance
Optional Wi-Fi minimizes system configuration and facilitates safe relay programming and diagnostic retrieval
Monitored environmental conditions helps reduce system downtime
High flexibility for customized protection and control logic


Additional Information:
  • Item Code: 845
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KVGC Transformer Protection System
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KVGC Transformer Protection System

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The KVGC202 can be integrated into an overall protection and control system by utilising its integral serial communications, thereby providing information for day-to-day management of power systems.

Key benefits:

  • Suitable for parallel transformer applications
  • Integral line drop compensation for voltage regulation at a remote point
  • Increased equipment lifetimes as a result of accurate voltage control and reduced circulating currents
  • Compact multi-function numerical relay
  • User friendly interface
  • True RMS voltage measurement

Additional Information:
  • Item Code: KVGC
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P642 Transformer Protection Relay
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P642 Transformer Protection Relay

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Transformers are high capital assets in electrical power systems. Elimination of all electrical and mechanical stresses, although desirable to preserve transformer life, is impractical. Adaptive techniques to measure, alarm (or trip) and advise on cumulative service can help to schedule preventive maintenance before a costly failure occurs. Internal faults are a risk for all transformers, with short-circuits dissipating the highest localized energy. Unless cleared quickly, the possibility to rewind windings reduces and core damage may become irreparable.

GE's P642, P643 and P645 address all these issues, preserving service life and offering fast protection for transformer faults. A transient bias technique has been included, enhancing relay stability and CT requirements. Hosted on an advanced IED platform, the P64x incorporates differential, REF, thermal, and overfluxing protection, plus backup protection for uncleared external faults. Model variants cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs.

Key benefits:

  • Backup and logging of through faults 
  • Simple settings – wizard requires only nameplate data 
  • Integrated backup overcurrent per winding or CT input - optional directionalizing when relay fitted with a 3-phase VT  
  • Ordering the 3-phase VT permits full monitoring and measurement of power and energy quantities 

Main characteristics:

  • Current loop analogue inputs [CLIO] and analogue outputs [RTD] for remote monitoring 
  • Optional single or dual redundant Ethernet available for IEC 61850 or DNP3
  • Transient biasing reduces CT knee point dimensioning by typically 25% compared to historical applications

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P643 Transformer Protection Relay
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P643 Transformer Protection Relay

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Transformers are high capital assets in electrical power systems. Elimination of all electrical and mechanical stresses, although desirable to preserve transformer life, is impractical. Adaptive techniques to measure, alarm (or trip) and advise on cumulative service can help to schedule preventive maintenance before a costly failure occurs. Internal faults are a risk for all transformers, with short-circuits dissipating the highest localized energy. Unless cleared quickly, the possibility to rewind windings reduces and core damage may become irreparable.

GE's P642, P643 and P645 address all these issues, preserving service life and offering fast protection for transformer faults. A transient bias technique has been included, enhancing relay stability and CT requirements. Hosted on an advanced IED platform, the P64x incorporates differential, REF, thermal, and overfluxing protection, plus backup protection for uncleared external faults. Model variants cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs.

Key benefits:

  • Backup and logging of through faults 
  • Simple settings – wizard requires only nameplate data 
  • Integrated backup overcurrent per winding or CT input - optional directionalizing when relay fitted with a 3-phase VT  
  • Ordering the 3-phase VT permits full monitoring and measurement of power and energy quantities 

Main characteristics:

  • Current loop analogue inputs [CLIO] and analogue outputs [RTD] for remote monitoring 
  • Optional single or dual redundant Ethernet available for IEC 61850 or DNP3
  • Transient biasing reduces CT knee point dimensioning by typically 25% compared to historical applications

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P645 Transformer Protection Relay
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P645 Transformer Protection Relay

Product Price : Get Latest Price

Transformers are high capital assets in electrical power systems. Elimination of all electrical and mechanical stresses, although desirable to preserve transformer life, is impractical. Adaptive techniques to measure, alarm (or trip) and advise on cumulative service can help to schedule preventive maintenance before a costly failure occurs. Internal faults are a risk for all transformers, with short-circuits dissipating the highest localized energy. Unless cleared quickly, the possibility to rewind windings reduces and core damage may become irreparable.

GE's P642, P643 and P645 address all these issues, preserving service life and offering fast protection for transformer faults. A transient bias technique has been included, enhancing relay stability and CT requirements. Hosted on an advanced IED platform, the P64x incorporates differential, REF, thermal, and overfluxing protection, plus backup protection for uncleared external faults. Model variants cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs.

Key benefits:

  • Backup and logging of through faults 
  • Simple settings – wizard requires only nameplate data 
  • Integrated backup overcurrent per winding or CT input - optional directionalizing when relay fitted with a 3-phase VT  
  • Ordering the 3-phase VT permits full monitoring and measurement of power and energy quantities 

Main characteristics:

  • Current loop analogue inputs [CLIO] and analogue outputs [RTD] for remote monitoring 
  • Optional single or dual redundant Ethernet available for IEC 61850 or DNP3
  • Transient biasing reduces CT knee point dimensioning by typically 25% compared to historical applications

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745 Transformer Protection System

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The 745 Transformer Protection System is a full featured transformer protection relay, suitable for application on small, medium, and large power transformers. The 745 can be applied on two-winding and three-winding transformers. Uses multiple current and voltage inputs to provide primary protection and back-up protection of transformers, including differential, ground differential phase, neutral, and ground overcurrent, over-fluxing, and on-load tap changer.


Key Benefits

  • Easy to use Transformer Protection supported by industry leading suite of software tools
  • Improved security for transformer energization
  • Accurate built-in metering functions
  • Advanced FlexLogic automation capabilities
  • Fast, flexible and reliable communications
  • IRIG-B time synchronization, event reports, waveform capture, data logger
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  • Built in simulation features for setpoint verification
  • Modbus and DNP 3.0 Level 2 protocols through embedded Ethernet, standard RS232, RS485 & RS422 serial ports.
  • Optional conformal coating for chemically corrosive and humid environments
  • Security Audit Trail provides detailed traceability for system configuration changes
  • Minimize maintenance time with draw-out capability

Additional Information:
  • Item Code: 745
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