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

The MM300 integrates protection, control, automation, metering, diagnostics and multiple communication protocols in a rugged compact device for low voltage motor applications. Designed for NEMA and IEC Motor Control Centers, the MM300 delivers superior protection and control to extend equipment life and maximize process uptime.


Key Benefits

• Full-featured protection for low voltage AC motors
• Advanced automation capabilities for providing customized protection and integrated process control
• Advanced FlexLogic™ reduces requirement for local PLC’s
• Reduced space requirements through integration of multiple devices
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• Application flexibility with multiple I/O options and programmable logic options (FlexLogic™)
• Enhanced troubleshooting tools including sequence of event records and waveform capture
• Powerful communications including Serial, Ethernet, Profibus, and DeviceNet protocols
• Small form factor and remote display options designed to fit in MCC buckets

The Multilin™ 339 is a member of the Multilin 3 Series protective relay platform and has been designed for the protection, control and management of medium voltage motors in industrial applications. The Multilin 339 delivers unparalleled protection, control, diagnostics and communications in an industry leading drawout construction. Providing simplified setup configuration through the use of the Motor Settings Auto-Configurator, advanced graphical diagnostics with the Motor Health Report and support for multiple communication protocols including IEC® 61850, the 339 Motor Protection System provides comprehensive motor protection for most small and medium sized motors.

Key Benefits

• Cost-effective and flexible protection and control device for motors
• Field-proven algorithms and reliable protection to avoid unwanted trips or under-protection
• Ease of use and standardization with simplified motor setup and universal CT inputs
• Enhanced Thermal Model including RTD and current unbalance biasing
• Environmental monitoring system to monitor operating conditions and plan preventative maintenance
• Time stamped event reports, waveform capture, motor start and motor trending
• Powerful security and hierarchical password control for centralized management
• Reduced wiring via remote RTD’s using the RMIO module and support for 3 internal RTDs
• Advanced power system and switchgear diagnostics
• Customized motor overload curve Flex curves
• Detailed Motor Health Report with critical data
• Switchgear diagnostics and easy troubleshooting by CT/VT supervision, trip/close circuit supervision and LED/IO Test Mode
• Drawout design simplifies testing, commissioning and maintenance, thereby increasing process uptime
• Flexible communications with multiple ports and protocols allowing seamless integration
• Robust design exceeding industry standards, with Automotive Grade components and advanced testing procedures such as accelerated life cycle testing
• Migration of legacy MII Family relays to the 3 Series platform
• Intuitive configuration software and user-friendly logic configuration tool

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 kits have been developed which significantly simplify the upgrade process.

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.