ABB Ability™ Load-Shedding Controller for Power System – Relion
PML630 is a compact load-shedding controller designed to prevent disturbance-related blackouts and power outages in small to medium-sized industrial power networks. As part of ABB's Relion® product family it unleash the full potential of the IEC 61850 standard for communication and interoperability of substation automation devices.
Protects your Network Assets
Safeguards and provides value for investments.
Ensures High Availability of Customer Processes
Through a high-performance solution, using the full potential of the IEC 61850 communication standard.
Integration of protection and control, station automation, and power management functionality in medium-voltage switchgear.
Increased Flexibility and Scalability
Improved system integration and customization, fulfilling a variety of requirements.
Easy System Integration
Guaranteed load-shedding command generation time of up to 20 milliseconds from disturbance detection .
Fast Load Shedding
Due to loss of single or multiple power sources, disintegration of power network, network or process conditions like rate of change of frequency etc.
Based on overload of power sources or maximum demand violation at the power grid tie-line or generator.
Manual Load Shedding
Initiated by the operator based on power definition or load-feeder priorities.
Under Frequency Load Shedding
As backup to fast and slow load shedding.
Handle Bigger Power Networks
Two to three PML630 devices work together in a distributed manner to handle bigger power networks and fast load shedding.
Supports Native IEC 61850 Communication Protocol
Including analog and binary GOOSE messaging for reduced wiring and supervised communication
Information and support
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