Description
Product Overview
The ALSTOM NETGCSS160 FEG-S032-L001 is a critical communication and control module from Alstom’s (now GE Grid Solutions) strategic Micom protection and control relay family, specifically within the Px40 series platform. This module functions as a high-performance Ethernet communication interface and GPS synchronization card, enabling precise, time-synchronized data exchange and event logging within electrical substation automation systems (SAS). The robust design of the ALSTOM NETGCSS160 is essential for implementing IEC 61850 communication protocols and ensuring reliable operation in utility and industrial power networks.
Key Product Parameters
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Product Type: Ethernet Communication & GPS Synchronization Module
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Compatible System: Alstom (GE) Micom Px40 Series Protection Relays (e.g., P441, P442, P444)
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Primary Function: Provides dual Ethernet ports for station bus communication (IEC 61850, DNP3 over TCP/IP) and integrates a GPS receiver for IEEE 1588 Precision Time Protocol (PTP) or IRIG-B time synchronization.
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Communication Protocols: Supports IEC 61850-8-1 (GOOSE, MMS), DNP3.0 over TCP/IP, Modbus TCP/IP.
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Synchronization: Features a built-in GPS antenna input and supports multiple time sync sources (PTP, IRIG-B, SNTP).
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Mounting: Plugs directly into a dedicated slot on the compatible Micom Px40 relay chassis.
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Certifications: Designed to meet stringent utility standards for electromagnetic compatibility (EMC) and environmental conditions.
Advantages and Core Features
The primary advantage of the ALSTOM NETGCSS160 FEG-S032-L001 is its integrated, high-accuracy solution for modern substation communication. It combines robust network connectivity with precise satellite-based time synchronization in a single, validated module. This integration is crucial for event sequence analysis, fault location, and system-wide coordination where millisecond-level timing accuracy is mandatory. The module simplifies the implementation of IEC 61850 architectures by providing the necessary hardware and protocol stack directly within the protection relay, ensuring interoperability and reducing engineering complexity. The reliability of the NETGCSS160 is proven in critical grid applications.
Application Scenarios
This module is deployed exclusively in electrical power control and protection systems:
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High-Voltage Substations: Integrating Micom relays into IEC 61850-based station control systems for circuit breaker control, interlocking, and data acquisition.
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Distribution Automation: Enabling fault detection, isolation, and restoration (FDIR) schemes that rely on fast, time-synchronized GOOSE messaging between relays.
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Industrial Power Plants: Providing synchronized event reporting and communication for generator and feeder protection relays within a plant’s electrical network.
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Railway Electrification: Used in traction power substations for protection and control with precise time-stamping.
Comparison with Competing Products
Competing products include communication cards from other protection relay manufacturers like Siemens (SIPROTEC 5 COM600 module), SEL (SEL-2730M Time Source), or ABB (Relion 620/650 series communication options). The ALSTOM NETGCSS160 is distinguished by its deep, firmware-level integration with the Alstom/GE Micon Px40 relay platform, offering optimized performance and a single-vendor support chain. Its combined GPS and Ethernet functionality in one slot can be more space-efficient than solutions requiring separate modules. Its design prioritizes utility-grade robustness and protocol compliance.
Selection Guide and Important Notes
Selecting the ALSTOM NETGCSS160 FEG-S032-L001 is specific to upgrading or configuring a compatible Micom Px40 series relay for networked, time-synchronized operation.
Important Precautions:
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Strict Compatibility: This module is only for use with specific Micom Px40 relays. Verify the exact relay model (e.g., P441, P444) and its hardware revision for compatibility.
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Engineering Required: Configuration of IEC 61850 data models, GOOSE, and time synchronization settings requires specialized software (Micom S1 Studio) and expertise.
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Antenna Installation: Proper installation of the external GPS antenna with a clear view of the sky is critical for reliable time synchronization. Requires careful routing of the coaxial cable.
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Network Design: Integration into a substation LAN requires careful network planning regarding VLANs, switch configuration, and cybersecurity (firewalls, port security).

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