GE PROTECTION RELAYS

In partnership with GE, CSE Uniserve provides world leading solutions for power system protection and control as well as associated design, implementation and support services.

GE Multilin UR Series Protection Relays

B90 - Multiple Sections Low Impedance Busbar Protection

The Multilin B90 bus protection relay, a member of the UR Family, features integrated protection and breaker failure for re-configurable MV, HV, EHV multi-section busbars with up to 24 feeders. Use one or more B90 relays together to build a flexible protection system that can be engineered to meet specific application requirements. The B90 performs fast and secure low-impedance bus protection with a sub-cycle tripping time of 0.75 cycles and 06 differential zones per phase.

B30 - Multiple Sections Low Impedance Busbar Protection

The Multilin B30 bus protection relay features integrated protection, visualization and metering for LV, MV, HV and EHV busbars, providing cost-effective, feature-focused centralized or distributed busbar protection scheme. Use the B30 to protect busbars with up to 6 feeders 2-zones (conventional CT inputs) or up to 16 feeders 6-zones (with process bus module) with up to six three-phase differential zones. The Multilin B30 relay is a cost-effective alternative to high-impedance schemes, ideal for breaker-and-half bus schemes, with integrated feeder backup protection.

G60 - Medium to Large Generators

Built on the industry-leading UR platform, the G60 offers superior protection for medium and large generators, including large steam and combustion turbines, combined cycle generators and multi-circuit hydro units. The G60 may also be used on pumped storage generators without the need to switch the CT secondary circuitry. The G60 provides advanced communication with an integrated, fully managed Ethernet switch reducing network installation costs while supporting industry standard communication protocols.

G30 - Combined Generator & Transformer Protection

Built on the industry-leading UR platform, the G30 provides advanced protection for small to medium-sized steam, hydraulic and combustion-turbine generators. The G30 is also well suited for applications where both the generator and transformer are in the same zone of protection, providing the required protection in one device. The G30 provides advanced communication with an integrated managed Ethernet switch, while supporting standard communication protocols including IEC 61850.

T60 - Medium to Large Transformers

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.

T35 - Basic Transformer Protection, Multiple CTs

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.

D60 - Fully Featured Distance Protection

The D60 is suitable for protecting transmission lines and cables including lines equipped with series compensation. The D60 supports dual-breaker applications and can be applied in single-pole or three-pole tripping applications. The D60 is applicable to different teleprotection schemes and includes inter-relay protection communications via direct fiber as well as different interfaces. The D60 also provides synchrophasor measurement over Ethernet per IEEE C37.118.

D30 - Backup Distance Protection

The D30 is a cost-effective distance protection system suitable for primary protection of sub-transmission lines and as a backup protection for HV, EHV lines, reactors and generators. The D30 provides five zones of phase and ground distance protection along with complete overcurrent and voltage protection functions intended for three-pole tripping applications. The D30 comes with versatile automation features using custom pilot schemes, which can be built.

L90 – Complete Line Protection System

The L90 provides high-speed current differential protection suitable for transmission lines and cables of various voltage levels, while supporting complete distance protection and dual-breaker applications suitable for single and three-pole tripping applications. The L90 uses synchronized sampling at each relay to limit the impact of communications channel issues. The differential element’s adaptive restraint balances sensitivity for internal faults and security during external faults. The L90 supports inter-relay protection communications via direct fiber as well as different interfaces.

L60 - Line Phase Comparison Protection

The L60 provides fast and secure sub-cycle phase comparison protection, for both two-terminal and three-terminal lines, lines with series compensation and for single-pole and three-pole tripping applications. The L60 can operate using existing power line carrier or fiber optic communications, and compensates for channel asymmetry and charging currents. The L60 can provide complete support of dual-breaker line terminals by using multiple current inputs.

L30 - Sub-Transmission Line Current Differential Protection

The L30 is a cost-effective line current differential protection relay intended for sub-transmission and medium voltage lines and cables providing reliable and secure operation even under the worst case power system conditions. The L30 provides secure high-speed fault detection and clearance suitable for three-pole tripping applications. The L30 supports inter-relay communications via direct fiber as well as standard RS422, G.703 and C37.94 telecommunication interfaces. The L30 also provides synchrophasor measurements over Ethernet per IEEE C37.118.

C70 - Capacitor Bank Protection

The C70 is an integrated protection, control, and monitoring device for shunt capacitor banks based on the well established and proven UR relay platform of GE Multilin. The C70 provides both the bank and system protection schemes for shunt capacitor bank protection. The current and voltage-based protection functions provide sensitive protection for grounded, ungrounded single, and parallel capacitor banks and banks with taps.

C60 - Breaker Controller

The C60 breaker protection system is a substation hardened controller that provides a complete integrated package for the protection, control, and monitoring of circuit breakers. The C60 supports dual-breaker busbar configurations such as breaker-and-a-half or ring bus arrangements.Signals from up to 4 sets of CT’s can be brought into the C60 via convetional wiring or process bus for internal summation, which is advantageous by still having the individual currents available for metering and the additional protection elements that operate on individual currents.

C30 - I/O Logic Controller

The C30 controller system is a programmable logic controller for performing substation or bay automation that can also be used for expanding the I/O capability of protection devices and replacing Sequence of Event (SOE) recorders. The C30 provides fast deterministic execution of programmable logic with I/O capabilities far above an average protection relay.

F60 - Feeder Protection with Hi-Z Fault Detection

The F60, a member of the UR Family of protection relays, provides high performance feeder protection, control, monitoring and metering in an integrated, economical, and compact package. The F60 includes GE Multilin’s unique high-impedance fault detection for fast and reliable detection of downed conductors.

F35 - Multiple Feeder Protection

The F35, a member of the UR Family of protection relays, provides cost-effective feeder protection, control and metering for up to five feeders with busbar voltage measurement, or six feeders without busbar voltage in one integrated package. Use the F35 as a stand-alone device or as a component of an automated substation control system.

M60 - Motor Protection

The M60 motor protection system offers comprehensive protection and control solutions for medium to large-sized three-phase motors. The M60 provides superior protection, control, and diagnostics that include thermal model with RTD and current unbalance biasing, stator differential, reverse and low forward power, external RRTD module, two-speed motors, reduced voltage starting, broken rotor bar detection, and more.

N60 - Network Stability and Synchrophasor Measurement

The N60 network stability and synchrophasor measurement system is a flexible device intended for the development of load shedding, remedial action, special protection schemes and wide area monitoring and control. Like no one device before, the N60 shares real-time operational data to remote N60s so the system can generate intelligent decisions to maintain power system operation.

GE MiCOM P40 Agile Series Protection Relays

Feeder Protection Relays - P141, P142, P143, P144, P145

Part of the MiCOM P40 platform, the Agile P14x feeder management relays provide an integrated solution for the complete protection, control and monitoring of overhead lines and underground cables, covering all distribution and transmission voltage levels. Providing all essential information to efficiently maintain complex power systems and their components, the P14x relay family is user-friendly and highly flexible, allowing application on any electrical network.

  • P141 Feeder management IED
  • P142 Feeder management IED with autoreclose
  • P143 Feeder management IED with autoreclose and synchronizing
  • P144 Feeder management IED with transient earth fault detection for isolated/Petersen systems
  • P145 Feeder management IED with autoreclose, synchronizing and function keys.
Motor Protection Relays - P241, P242, P243

Part of the MiCOM P40 platform, the Agile P24x relays offer comprehensive motor protection, control and monitoring for both induction and synchronous motors with up to 10 RTD inputs. The relays provide enhanced diagnostics and fault analysis, optimized machine thermal image monitoring and customized thermal curves to match more closely with the machine withstand limits.

  • P241 Motor Management IED
  • P242 Motor Management IED with Extended I/O
  • P243 High-speed differential protection for large motors – protects your investment.
Generator Protection Relays - P342, P343, P345, P346

GE’s MiCOM Agile P34x generator protection relays provide flexible and reliable integration of protection, control, monitoring and measurement functions for a wide range of applications. The P34x relay platform is available in six models that cover most installations from small generators to sophisticated systems including generator-transformer applications and large variable speed double fed induction pumped storage machines.

  • P342 Small Generator Management IED
  • P343 Medium to Large Sized Generator Management IED
  • P345 Large Generator Management IED with 100% Stator Earth Fault
  • P346 Small Generator Management IED with Differential
  • P391 Rotor Earth Fault Unit.
Distance Protection Relays - P441, P442 & P444

Part of the MiCOM P40 platform, the Agile P441, P442 and P444 numerical full scheme distance relays provide flexible, fast and reliable protection of transmission and sub-transmission lines. They include full scheme 6-zone distance, plus aided directional earth fault (DEF) and comprehensive backup protection for utility lines and cables at all voltage levels, particularly oriented towards transmission grids.

These distance protection systems are ideal for single circuit breaker application, single and/or 3-pole tripping, and includes a full suite of monitoring, control and recording capabilities plus fault locator, autoreclose and check synchronism.

  • P441 Line-Distance Management IED
  • P442 Line-Distance Management IED
  • P444 Line-Distance Management IED for Transmission.
Distance Protection Relays - P443, P445, P446

Part of the MiCOM P40 platform, the MiCOMho Agile P443, P445 and P446 relays operate with advanced load blinding and disturbance detection techniques, such as power swing blocking, to ensure stability when no tripping is required. Whether protection is required for lines, cables or hybrids of grounded transmission and distribution circuits, the MiCOMho Agile P443, P445 and P446 relay characteristics allow for versatile deployment.

  • MiCOM P443 Subcycle Distance & Delta Incremental Protection
  • MiCOM P445 Subtransmission Economy Distance Protection
  • MiCOM P446 Dual Breaker Subcycle Distance & Delta Protection
Catenary Distance Protection - P44T

The MiCOM Agile P44T is a multifunctional protection device, supplementing distance main protection with a host of backup protection, thermal protection, recording, control, measurement and monitoring features. It provides fast, highly selective railway catenary distance protection combined with the delta directional decision proven technique. The trip time is typically 0.7 to 1 cycle. Five zones of protection with quadrilateral characteristics allow versatile deployment as the main protection for all AC catenary/feeder systems. With independently settable right and left hand side resistive reaches for each zone the P44T suits routes hosting regenerative braking trains.

Multi-ended Line Differential Protection Systems - P54A, P54B, P54C & P54E

The MiCOM P54A/B/C/E range is designed for overhead line and cable applications up to 6 terminals, interfacing readily with the longitudinal (end-to-end) communications channel between line terminals. Previously, transmission and distribution circuits would have two or three ends only, whereas five or more ends are becoming common to connect renewable generation. All models are ready for protection topologies ranging from two to six terminals, whether those multi-terminals exist now, or are provisioned for connection in the future.

Multi-ended current differential protection uses a high-speed and innovative biased differential characteristic. Phase-segregated differential elements provide consistent detection of solid and resistive faults.

  • P54A compact (40TE), economical line differential protection without VT inputs, offering non-directional backup protection
  • P54B compact (40TE), economical line differential protection with directionalised back-up protection and inbuilt reclosing and check synchronism
  • P54C transmission-class 1/3-pole tripping line differential protection with backup protection and inbuilt reclosing and check synchronism (built from today’s P543 hardware)
  • P54E transmission-class 1/3-pole tripping line differential protection with back-up protection and inbuilt reclosing and check synchronism with a large number of binary I/O for traditional hardwired schemes (built from P545 hardware).
Line Differential and Distance Protection - P543, P544, P545, P546

Part of the MiCOM P40 platform, the Agile P543, P544, P545 & P546 range of transmission-class protection relays provide comprehensive line protection for differential, subcycle distance and directional earth fault applications, with 1/3 pole tripping. This range of products is ideal for HV, EHV and UHV applications on lines and cables of any length.

  • P543 Line-Differential with Optional Subcycle Distance IED, in 60TE case
  • P544 Line-Differential with Optional Subcycle Distance IED, in 60TE case, suitable for two circuit breakers such as breaker-and-a-half
  • P545 Line-Differential with Optional Subcycle Distance IED, in 80TE case
  • P546 Line-Differential with Optional Subcycle Distance IED, in 80TE case, suitable for two circuit breakers such as breaker-and-a-half.
Transformer Protection Relays - P642, P643, P645

Part of the MiCOM P40 platform, the Agile P64x transformer protection relays helps preserve transformer service life and provides fast protection for transformer faults. The platform consists of three model variants (P642, P643 and P645) that cover two and three-winding transformers (including auto-transformers), with up to five sets of 3-phase CT inputs, and offers high and low impedance restricted earth fault, and has integral asset management capability.

  • P642 2 Winding transformer management IED
  • P643 3-End transformer management IED
  • P645 5-End transformer management IED.
Centralized Busbar Differential Relay - P746

The MiCOM Agile P746 provides complete protection for MV and HV busbar configurations with up to 2 zones plus a check zone, and up to 18 terminals. The MiCOM Agile P746 provides a centralized one box or three box architecture and is very simple to use. as it does not need to be deeply engineered and supports easy operation and maintenance of busbars.

The MiCOM Agile P746 protects busbar configurations at voltage levels up to extra-high voltage. Proven techniques and dynamic topology processing algorithms offer a combination of security, speed and sensitivity, with simple configuration for centralized architectures.

Centralized Busbar Differential Relay - P747

The MiCOM Agile P747 provides complete protection for voltage levels up to extra high voltage busbar configurations with a centralized 3-box architecture. The MiCOM Agile P747 can accommodate up to 4 zones plus check zone and protect up to 18 terminals. The MiCOM Agile P747 Is particularly useful in double busbar with double bus coupler applications and allows a high number of opto inputs, relay outputs, and virtual inputs and outputs to manage the complete substation scheme.

The MiCOM Agile P747 also incorporates enhanced circuit breaker failure logic with additional protection functions such as dead zone and overcurrent. In addition, the MiCOM Agile P747 provides a wide range of measurement, monitoring, post fault analysis and self-diagnostic features. Powerful programmable scheme logic, trip circuit supervision, fully customizable menu texts, multi-level password protection, on-line measurements and plant status monitoring are all included. MiCOM Agile P747 employs an innovative external fault detection algorithm to ensure stability when CTs become saturated.

Line Terminal Protection Systems - P841

The MiCOM Agile P841 is a multifunctional line terminal IED for control and back-up protection in transmission and sub-transmission feeder bays. The P841 provides management of single or dual breaker autoreclose logic schemes with synchrocheck.

Mesh-corner DAR - P842

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.

GE Multilin 8 Series Protection Relays

Multilin 845 - Comprehensive Protection & Management for Transformers

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.

Multilin 850 - Innovative Feeder and Bay Controller in One Box

The Multilin™ 850 relay is a member of the Multilin 8 Series protective relay platform and has been designed for the management, protection and control of feeder applications. The Multilin 850 is an integrated, one box solution, used to provide comprehensive protection, control and monitoring of underground and overhead single or dual feeders in industrial and utility power networks.

The Multilin 850 is also an ideal choice for bay control applications, with features including 12 switchgear control elements, a large color graphical display that supports configurable single line diagrams, an integrated annunciator panel, and 20 user configurable virtual pushbuttons.

With support for industry leading communications protocols and technologies, the 850 provides easy integration into new or existing SCADA or DCS for enhanced situational awareness. To simplify the migration and upgrade from an existing SR 750/760 or 735 protection relays, retrofit kits have been developed which significantly simplify the upgrade process.

Multilin 859 - Comprehensive and Compact Motor Protection

The Multilin 859 Motor Protection System, a member of the Multilin 8 Series protective relay platform, is designed for the protection, control and management of medium and large power rating induction motors. It has also been purpose built as a direct replacement for GE’s existing range of Multilin motor protection relays including the 169, 269, 269Plus, and 369 devices.

Based on the same field proven hardware and protection and control algorithms of the Multilin 8 Series, the 859 delivers advanced features including high-speed protection, customizable programmable logic, and advanced motor monitoring and diagnostics – all in a fixed mount, slim design.

With extensive communication capabilities the 859 easily integrates into new or existing process control systems, enabling operationally focused motor management and control.

To simplify the migration and upgrade from existing Multilin 169, 269/269Plus, and 369 protection relays, the 859 has the same cutout and depth. In the case of replacing a 369 relay, the 859 has the same terminal arrangement, eliminating the need to change field wiring. In the case of other relays, detailed one-to-one wire maps and setting file conversion tools are provided to significantly simplify the upgrade process.

Multilin 869 - Comprehensive Motor Protection and Management

The Multilin 869 relay is a member of the Multilin 8 Series protective relay platform and has been designed for the protection, control and management of medium and large induction and synchronous motors.

The 869 is equipped with an integrated synchronous motor protection module for protection and control of synchronous motors.

The Multilin 869 provides advanced functionality for various types of applications such as high-speed protection, extensively customizable programmable logic, advanced motor monitoring and diagnostics, and flexible configuration capabilities.

Advanced communications of the 8 Series platform allows easy integration into process and electrical control systems for smoother asset monitoring and control.

To simplify the migration and upgrade from an existing SR 469 protection relays, retrofit have been developed which significantly simplify the upgrade process.

Multilin 889 - Comprehensive Protection and Management

The Multilin 889 relay, a member of the Multilin 8 Series protective relay platform, has been designed for the protection, control, monitoring and management generators and in-zone transformers used in both industrial and utilities applications.

The Multilin 889 provides advanced, high-speed protection, extensively customizable programmable logic, and flexible configuration capabilities, to maximize the operational performance and life of critical generators.

Equipped with the latest in advanced communications, the Multilin 8 Series supports IEC 61850 Edition 2 ensuring simplified device integration and dual communication ports with IEC 62439/PRP, enabling users to achieve zero latency in communications for high reliability network architectures, ensuring complete asset monitoring and control.

GE P40 Agile Enhanced Series Protection Relays

Agile Enhanced P14NB - Non-directional feeder relay
  • Applications include overhead lines, distribution and industrial networks, transformer incomer feeders.
  • Compact withdrawable case with high I/O density.
  • Harmonic & THD measurements.
  • Serial and Ethernet protocols, including IEC 61850 Ed. 2 , IEC 61439 (PRP/HSR), Modbus , DNP3, IE60870-5-103.
  • CyberSentry™ Advanced Security.
Agile Enhanced P14NL - Non-directional feeder with autoreclose
  • Advanced Feeder protection functions including autoreclose.
  • Compact withdrawable 20TE case with high I/O density.
  • Harmonic & THD measurements.
  • Serial and Ethernet protocols, including IEC 61850 Ed. 2 , IEC 61439 (PRP/HSR), Modbus , DNP3, IE60870-5-103.
  • CyberSentry™ Advanced Security.
Agile Enhanced P14DB - Directional feeder
  • Applications include utility overhead lines, distribution and industrial networks as main or backup overcurrent protection.
  • Compact withdrawable case with high I/O density.
  • Harmonic & THD measurements.
  • Serial and Ethernet protocols, including IEC 61850 Ed. 2 , IEC 61439 (PRP/HSR), Modbus , DNP3, IE60870-5-103.
  • CyberSentry™ Advanced Security.
Agile Enhanced P14DL - Advanced directional feeder with autoreclose and check synchronizing
  • Applications include overhead lines, distribution and industrial networks, transformer incomer feeders.
  • Compact withdrawable case with high I/O density.
  • Harmonic & THD measurements.
  • Serial and Ethernet protocols, including IEC 61850 Ed. 2 , IEC 61439 (PRP/HSR), Modbus , DNP3, IE60870-5-103.
  • CyberSentry™ Advanced Security.
Agile Enhanced P94VB - Voltage and frequency
  • Applications include distribution and industrial networks, transformer incomer feeders.
  • 4 stage voltage, 9 stage frequency protection.
  • Compact withdrawable 20TE case with high I/O density.
  • Serial and Ethernet protocols, including EC 61850 Ed. 2 , IEC 61439 (PRP/HSR), Modbus , DNP3, IE60870-5-103.
  • CyberSentry™ Advanced Security.
Agile Enhanced P94VP - Voltage and frequency with autoreclose and check synchronizing
  • Advanced voltage-based functions including autoreclose and synchrocheck for utility and Industry feeders.
  • 4 stage voltage, 9 stage frequency protection with Reclose.
  • Compact withdrawable case with high I/O density.
  • Serial and Ethernet protocols, including IEC 61850 Ed. 2 , IEC 61439 (PRP/HSR), Modbus , DNP3, IE60870-5-103.
  • CyberSentry™ Advanced Security.

Talk to us about GE Protection Relays!

Transmission, Distribution and Generation Sales

Tristan Manager
Sales Manager
tristan.gillard@cse-uniserve.com.au
0414 373 922

Carlyle Willemse
Business Development Engineer – Distribution
carlyle.willemse@cse-uniserve.com.au
0407 922 343

Reuben Pinkster
Business Development Engineer – Generation
reuben.pinkster@cse-uniserve.com.au
0407 200 446

Sushant Pandey
Business Development Engineer – Renewables
sushant.pandey@cse-uniserve.com.au
0458 505 081

or contact sales@cse-uniserve.com.au

Mining, Transportation and Industrial Sales

Mike Hert
Business Development Engineer NSW/QLD/VIC/ACT/SA/NT/TAS
mike.hert@cse-uniserve.com.au
0416 275 822

David Brown
Business Development Engineer WA
david.brown@cse-uniserve.com.au
0408 157 078

Joel Ryan
Business Development Engineer WA
joel.ryan@cse-uniserve.com.au
0488 913 004

or contact sales@cse-uniserve.com.au

Technical Support

Leonardo Torelli
Senior Technology Manager
leonardo.torelli@cse-uniserve.com.au
0420 855 647

Filip Ivanovski
Technology Manager – Protection and Control
filip.ivanovski@cse-uniserve.com.au
0448 891 770

Mathew Del Vecchio
Technology Manager – Automation
mathew.delvecchio@cse-uniserve.com.au
0458 273 094

Rupinder Singh
Application Engineer
rupinder.singh@cse-uniserve.com.au

Yesudas Paul
Application Engineer
yesudas.paul@cse-uniserve.com.au

Product Enquiry Form

Product Enquiry

Please use the simple form below to submit your enquiry and we will respond as soon as possible. For urgent enquiries please call 1800 987 161. Thank you.
Please enter the name of the product.
Please add anything specific about your enquiry here.