ALSTOM GE Motor Protection

The Motor Manager II (MM2) combines control functions and comprehensive motor protection in one package. This compact
device provides sophisticated control and protective relaying at significant cost savings over the discrete devices normally
found in a low voltage motor control center (MCC).

Applications

• Low voltage motor control centers
• Protection and Control
• Overload
• Phase unbalance
• Contactor failure
• Locked/stalled rotor
• Ground fault
• Hot winding thermistor
• Undervoltage auto restart
• Outputs: 2 contactor, 2 programmable
• Inputs: 6 fixed, 10 programmable
• Monitoring and Metering
• Display phase current, ground current, thermal capacity, analog input, power, energy, etc.
• Trip record and pre-trip values
• Maintenance information
• User Interface
• RS485 ModBus™ , 1200 - 19,200 bps
• Display model for local interface

• Collector-ring synchronous motors
• Protection and Control
• Field application
• PF regulation maximizes efficiency
• Reluctance torque synchronizing
• Re-synchronizing
• DC field current loss
• DC field voltage check
• Incomplete sequence
• Field winding overtemperature
• Power factor (pull-out)
• Stall/acceleration
• Restart lockout

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.

Key Benefit

• Improved protection sensitivity through a flexible and powerful thermal model including standard, custom, and voltage dependent overload curves
• 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
• Simplified programming with the EnerVista™ M60 motor settings autoconfigurator
• Robust network security enabling Critical Infrastructure Protection through user command logging, and dual permission access control
• Application flexibility with multiple I/O options including high density I/O, programmable logic, modularity, and specific customization
• High-end fault and disturbance recording
• Reduced relay-to-relay wiring and associated costs through high-speed inter-relay communications
• Enhanced motor-learned data provides critical information for preventative maintenance
• Supports latest edition of waveform capture (COMTRADE 2013) simplifying fault records management
• 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

Designed for medium voltage motors, the 369 delivers simple setup configuration through the use of the Motor Settings Auto-Configurator, advanced graphical diagnostics with the Motor Health Report, comprehensive communications with multiple communication options and complete traceability of all setting changes with the Security Setting Change History Report, providing unparalleled motor protection for medium sized AC motors.


Key Benefits

• Enhanced Thermal Model
• Complete Asset monitoring
• Enhanced reporting
• Reduce troubleshooting time and maintenance costs
• Multiple communication protocols
• Simplified programming with the EnerVista™ 369 Motor Settings Auto-Configurator
• Optional Conformal coating
• Field upgradable settings and firmware
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• Suitable for hazardous locations
• Installation flexibility
• Safe and reliable motor re-start on “Down Hole” pump applications
• User definable parameters and data size for DeviceNet polling
• User definable parameters and data size for Profibus DPV1 cyclic data
• Motor learned data on historical start characteristics

The Agile P24xM Motor Management Series, a member of the field proven P40 Agile protective relay platform, and has been designed for the protection, control, and management of medium voltage motors in industrial applications. The P24xM series offers a small, flexible form factor, advanced and redundant communications, multiple I/O options, and is available with current inputs (P24NM) or with current and voltage inputs (P24DM). The P24xM series delivers reliable protection for pumps, conveyors, fans, and compressors to ensure maximum process uptime.

 Key Benefits

• Cost-effective, flexible protection and control for medium voltage motors
• Field-proven algorithms and reliable protection to avoid unwanted trips or under-protection
• Ease of integration and standardization with universal CT inputs and multiple case sizes
• Time stamped event reports and waveform capture, simplifying post-event analysis
• Powerful security and hierarchical password control for centralized management
• Advanced power system and switchgear diagnostics
• Application flexibility with user programmable motor overload curve, comprehensive start sequence and re-acceleration scheme
• Drawout design simplifies testing, commissioning and maintenance for increased process uptime
• Redundant communications with multiple ports and protocols allowing seamless integration with SCADA and DCS systems
• Ease of use with intuitive device configuration software and user-friendly logic configuration tool

This advanced hardware platform makes it it possible for a single device to host multiple functions and applications such as Supervisory Control and Data Acquisition (SCADA) Concentrator, Remote terminal Unit (RTU), Human Machine Interface (HMI), advanced cyber security features, and non-operational data storage. By these functions, substation operators can reduce the cost of deployment and operation while increasing system reliability through a reduced number of devices in the system.