ALSTOM P40 AGILE MICOM P141

¥999.00

The ALSTOM P40 AGILE MICOM P141, detailed further here, is a multifunctional numerical protection relay from the Alstom (now part of GE Grid Solutions) MICOM Px40 Agile series. This sophisticated device is designed for the protection, control, and monitoring of electrical feeders, motors, transformers, and generators in medium and high-voltage networks. While not a PLC spare part, it is a cornerstone of modern electrical automation, functioning as an Intelligent Electronic Device (IED) that seamlessly integrates with SCADA and DCS systems. The primary function of the ALSTOM MICOM P141 is to continuously analyze electrical parameters (current, voltage, frequency) to detect faults like overcurrent, earth faults, and negative phase sequence, and to execute precise tripping commands to circuit breakers. Its advanced logic and programmability allow it to perform complex local automation sequences, acting as a highly specialized controller within the electrical domain. For protection engineers and system integrators, the P40 AGILE P141 relay is a key component for ensuring electrical network safety, stability, and automation.

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Description

Product Description

The ALSTOM P40 AGILE MICOM P141, detailed further here, is a multifunctional numerical protection relay from the Alstom (now part of GE Grid Solutions) MICOM Px40 Agile series. This sophisticated device is designed for the protection, control, and monitoring of electrical feeders, motors, transformers, and generators in medium and high-voltage networks. While not a PLC spare part, it is a cornerstone of modern electrical automation, functioning as an Intelligent Electronic Device (IED) that seamlessly integrates with SCADA and DCS systems. The primary function of the ALSTOM MICOM P141 is to continuously analyze electrical parameters (current, voltage, frequency) to detect faults like overcurrent, earth faults, and negative phase sequence, and to execute precise tripping commands to circuit breakers. Its advanced logic and programmability allow it to perform complex local automation sequences, acting as a highly specialized controller within the electrical domain. For protection engineers and system integrators, the P40 AGILE P141 relay is a key component for ensuring electrical network safety, stability, and automation.

Product Parameters

  • Manufacturer: Alstom (now GE Grid Solutions)

  • Product Series: MICOM Px40 Agile

  • Model: P141 (Feeder Protection)

  • Key Protection Functions: Definite & Inverse Time Overcurrent (DTOC/ITOC), Directional/Non-Directional Earth Fault, Phase Discontinuity, Thermal Overload, Auto-reclose, Under/Over Voltage, Frequency Protection.

  • Control Functions: Circuit breaker control (open/close), programmable logic (FlexLogic™), interlocking, synchrocheck.

  • Measurement: Three-phase currents & voltages, active/reactive power, power factor, energy, harmonics.

  • Communication Interfaces: Multiple ports supporting IEC 61850, DNP3, Modbus, IEC 60870-5-103, and legacy proprietary protocols.

  • Inputs/Outputs: Configurable binary inputs (status) and relay outputs (commands & alarms).

  • Power Supply: Wide range of DC (24-250V) or AC (110-240V) auxiliary supplies.

  • Human-Machine Interface (HMI): Large graphical LCD with keypad for local access and control.

  • Certifications: Compliant with major international standards (IEC 60255, IEEE).

Advantages and Features

  • Advanced Programmable Logic (FlexLogic™): Features a powerful and user-configurable logic tool that allows the creation of custom control schemes, interlocking, and automation sequences without external PLCs.

  • High-Speed Operation: Utilizes advanced numerical algorithms and a powerful processor for very fast and accurate fault detection and tripping, minimizing equipment damage.

  • Comprehensive Communication: Native support for modern protocols like IEC 61850 ensures easy integration into digital substations and communication with upper-level SCADA/PLC systems.

  • Extensive Event and Fault Recording: Provides detailed disturbance (oscillographic) and event (sequential) records for thorough post-fault analysis and system diagnostics.

  • User-Friendly Configuration: Can be configured using the intuitive MiCOM S1 Agile software, which simplifies setting, testing, and documentation.

Application Cases in Application Fields

  • Industrial Plant Main Incomer and Feeder Protection: The ALSTOM P141 is used to protect the primary supply feeders within a large factory, providing selective coordination to isolate faults while maintaining power to healthy sections of the plant.

  • Renewable Energy Plant Collection Systems: Protects feeders connecting multiple wind turbines or solar inverters to a main substation in a wind or solar farm, often using its voltage-based protection functions for islanding detection.

  • Motor Protection for Critical Drives: Applied to protect large high-voltage induction or synchronous motors in industries like mining or water treatment, utilizing its thermal overload, stall, and unbalance protection features.

  • Distribution Substation Automation: Acts as the protection and control device for a distribution feeder in a utility substation, using its auto-reclose function to restore service after temporary faults and communicating fault data to the control center.

Comparisons with Competing Products

Compared to feeder protection relays from Siemens (SIPROTEC 7SJ), ABB (REF615), or Schneider Electric (MiCOM P5), the ALSTOM P40 AGILE MICOM P141 is a strong competitor in the same performance tier:

  • FlexLogic™ vs. Competitor Logic: The FlexLogic™ tool is often considered one of the most flexible and user-friendly relay logic editors in the industry, a key differentiator for the MICOM P141 when complex local control is required.

  • Protocol Support: Its robust support for IEC 61850, DNP3, and Modbus is standard for modern relays. The depth of its IEC 61850 implementation, including GOOSE messaging, is on par with leading competitors.

  • Software and Usability: The MiCOM S1 Agile software is a recognized strength, praised for its intuitive interface and powerful features for setting, simulation, and data management.

  • Legacy and Installed Base: The MICOM platform has a vast global installed base and a strong reputation for reliability. Post-Alstom integration into GE, long-term support and migration paths are important considerations compared to competitors with independent R&D streams.

Selection Suggestions and Precautions

  1. Define Protection Requirements Precisely: Perform a detailed protection study to specify all required functions (e.g., directional earth fault, voltage restraint) to ensure the ALSTOM P141 model is correctly specified to meet the application needs.

  2. Plan Communication Integration Early: Decide on the primary communication protocol for SCADA/PLC integration (e.g., IEC 61850 over Ethernet, Modbus TCP) and ensure the relay is ordered with the correct communication modules and licenses.

  3. Leverage FlexLogic™ Effectively: Utilize the built-in programmable logic to implement interlocking and automation, which can reduce the need for external hardwired relays or PLC code, but requires careful design and documentation.

  4. Ensure Proper CT/VT Coordination: Verify that the connected current transformers (CTs) and voltage transformers (VTs) have appropriate ratios, accuracy classes, and burden ratings to work correctly with the MICOM P141 relay.

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