Description
The GE MMII-PD-MOD501-120 is a Microprocessor-Based Motor Management Relay manufactured by GE Multilin. It’s designed to provide comprehensive protection, control, and monitoring functions for electric motors in industrial applications.
Here’s a breakdown of the key information gleaned from the model number:
- GE: Manufacturer (General Electric)
- MMII-PD: Product line (Motor Management – Microprocessor based, possibly Millisecond Intelligent Interface – Protective Device)
- MOD501: Specific model variant within the MMII-PD series (likely signifying specific functionalities)
- -120: Voltage rating (likely 120 Volts)
Key functionalities of the GE MMII-PD Motor Management Relay (general characteristics, may vary depending on specific model variant):
- Motor Protection: Offers various protection features against electrical faults that can damage motors, such as:
- Overcurrent Protection
- Overvoltage Protection
- Undercurrent Protection
- Ground Fault Protection
- Locked Rotor Protection
- Thermal Overload Protection
- Motor Control: May provide basic control functions like motor starting and stopping.
- Motor Monitoring: Provides continuous monitoring of various motor parameters, such as:
- Current
- Voltage
- Power
- Speed
- Temperature (may require additional sensors)
- Communication: May support communication protocols like Modbus or Ethernet for integration with SCADA (Supervisory Control and Data Acquisition) systems, enabling remote monitoring and control.
Possible Applications of the GE MMII-PD-MOD501-120 Motor Management Relay:
- Industrial facilities with electric motors used in various applications like pumps, fans, compressors, and machine tools.
- Water and wastewater treatment plants to protect and monitor pump motors.
- HVAC (Heating, Ventilation, and Air Conditioning) systems for motor protection in air handling units and chillers.
- Manufacturing facilities for motor protection in conveyor systems and production machinery.
Finding More Information:
Here are some resources to learn more about the specific functionalities and specifications of the GE MMII-PD-MOD501-120 relay:
- GE Multilin Website: Search the GE Multilin website for product catalogs, datasheets, or manuals for the specific model number MMII-PD-MOD501-120. You can find their product information section here: https://www.gevernova.com/grid-solutions/multilin/catalog.
- Industrial Automation Suppliers: Look for websites of industrial automation suppliers who might carry GE Multilin products. These suppliers might have technical specifications or manuals available for download, although they might not have the specific MMII-PD-MOD501-120 variant.
Additional Notes:
- The information provided here is based on general characteristics of GE Multilin’s MMII-PD Motor Management Relay series and might not be entirely specific to the MMII-PD-MOD501-120 variant. Refer to GE Multilin’s official resources for the most accurate details.
- If you have the relay itself or any accompanying documentation, you might find more specific details about the model variant and its functionalities.
The ALSTOM MMLG01 is a standard test block used for testing and simulating the operation of protective relays and other control systems in electrical power distribution applications. It’s part of the Midos modular relay system from Alstom.
Key Features:
- Size 2 Unit: The MMLG01 is a size 2 unit in the Midos system, making it suitable for use in modular relay panels and test benches.
- Terminal Connections: The test block provides multiple terminal connections for simulating various electrical conditions, such as voltage, current, and fault conditions.
- Isolation: The test block is designed with isolation between different terminal groups to prevent unwanted electrical interference during testing.
- Test Points: It may have dedicated test points for monitoring or injecting signals.
Applications:
- Protective Relay Testing: The MMLG01 is commonly used to test the functionality of protective relays, verifying their response to various fault conditions and ensuring proper operation.
- Control System Simulation: It can also be used to simulate the behavior of other control systems in electrical power distribution networks, such as SCADA (Supervisory Control and Data Acquisition) systems.
- Training and Education: The test block can be used for training and education purposes to familiarize technicians and engineers with the operation of protective relays and control systems.
Finding More Information:
Here are some resources to learn more about the specific details and functionalities of the ALSTOM MMLG01 test block:
- ALSTOM Grid Website: Search the ALSTOM Grid website for product catalogs, datasheets, or manuals for the MMLG01 test block. You can find their product information section here: https://www.alstom.com/press-releases-news/2011/5/Alstom-Grid-SCP-certification
- Industrial Automation Suppliers: Look for websites of industrial automation suppliers who might carry ALSTOM Grid products. These suppliers might have technical specifications or manuals available for download, although they might not have the specific MMLG01 variant.
- Contact ALSTOM Grid: If the online search is unsuccessful, you can try contacting ALSTOM Grid directly through their website or regional offices. Their contact information can likely be found on their website.
Additional Notes:
- The information provided here is based on general characteristics of the ALSTOM MMLG01 test block and might not be entirely specific to every variant or application. Refer to ALSTOM Grid’s official documentation for the most accurate details.
- If you have the test block itself or any accompanying documentation, you might find more specific details about its functionalities and applications.
