ALSTOM NRD108028 8RDB43655 SA43655.E

Description

Product Description

The ALSTOM NRD108028 8RDB43655 SA43655.E is a complex identifier representing a fully specified numerical protection relay or control unit from Alstom. This string of codes details the complete configuration of the device, including its core model, hardware options, and specific software functionality. The primary identifier, likely NRD108028, denotes the base relay model, while supplementary codes like 8RDB43655 and SA43655.E specify critical hardware assemblies and the exact software/firmware version. The purpose of the ALSTOM NRD108028 8RDB43655 SA43655.E is to provide a comprehensive protection and control solution for electrical assets, integrating advanced algorithms for fault detection, metering, and communication. Utilizing the complete specification of the NRD108028 8RDB43655 SA43655.E ensures that the delivered unit matches the precise engineering requirements for complex applications in power networks.

Product Parameters

• Manufacturer / Brand: Alstom (now part of Hitachi Energy for grid automation)

• Product Type: Numerical Protection Relay / Control Unit

• Base Model / Series: NRD108028 (indicative of a specific relay family, e.g., a feeder management relay).

• Hardware Assembly Code: 8RDB43655 – Specifies the physical build, including I/O card configuration, communication modules, power supply, and housing.

• Software/Firmware Identifier: SA43655.E – Denotes the specific software version, application program, and activated protection/control functions.

• Protection Functions: Includes a comprehensive suite such as overcurrent (phase & earth), thermal overload, voltage protection, frequency protection, and auto-reclosing.

• Measurement & Monitoring: Provides high-accuracy metering of currents, voltages, power, power factor, and energy.

• Communication Protocols: Supports multiple standards including IEC 61850, Modbus RTU/TCP, DNP3, and IEC 60870-5-103.

• Inputs/Outputs: Configured with a defined number of binary inputs, relay outputs (trip, close, alarm), and analog inputs as per the hardware code.

• Power Supply: Operates on a specified range of AC or DC auxiliary voltages (e.g., 24-48V DC, 110-230V AC).

Advantages and Features

• Complete, Pre-Configured Solution: The combined codes NRD108028 8RDB43655 SA43655.E represent a factory-tested unit with all specified hardware and software integrated, ensuring immediate and reliable deployment.

• Advanced Protection Logic: Utilizes sophisticated numerical algorithms for fast, selective, and reliable fault clearance, minimizing equipment damage and outage time.

• Extensive Data Recording: Features detailed event recording, fault reports, and high-resolution oscillography for thorough post-event analysis and system diagnostics.

• User-Programmable Logic: Includes a flexible programmable logic (CFC) capability, allowing customization of control sequences and interlocking without external hardware.

• Intuitive Human-Machine Interface (HMI): Equipped with a clear graphical display and keypad for local configuration, control, and real-time data viewing.

• Robust and Compact Design: Built for harsh substation environments with a high degree of immunity to electromagnetic interference.

Application Cases in Key Fields

• Medium Voltage Distribution Networks: Used as the primary protection and control unit for feeders, transformers, and busbars in industrial plants and utility substations.

• Industrial Power Systems: Protects critical motors, generators, and capacitor banks, providing comprehensive motor protection (thermal, stall, unbalance) and capacitor bank switching logic.

• Renewable Energy Plants: Manages protection and control for interconnection feeders in solar farms and wind parks, often including functions like power quality monitoring and voltage ride-through.

• Infrastructure Facilities: Applied in data centers, airports, and hospitals to ensure reliable power supply through advanced feeder protection and automatic transfer schemes.

Comparison with Competing Products

Compared to protection relays from Siemens (SIPROTEC), Schneider Electric (Sepam), or GE (Multilin), the ALSTOM NRD108028 8RDB43655 SA43655.E offers similar high-level functionality. The differentiation lies in the specific algorithm implementation, the native communication stack performance, and its seamless integration with other Alstom/Hitachi Energy substation automation products. Competing products may have strengths in specific niche functions or user interface design. However, the ALSTOM NRD108028 configuration, as fully defined by 8RDB43655 SA43655.E, represents a turnkey solution that is particularly advantageous when operating within an existing Alstom system infrastructure or when specified for large turnkey projects where vendor ecosystem consistency is valued.

Selection Suggestions and Precautions

• Decode with Official Documentation: These codes are precise. Always cross-reference the full string NRD108028 8RDB43655 SA43655.E with the official Alstom configuration guide or ordering catalog to understand every included feature and option.

• Verify Application Suitability: Ensure the protection functions defined by the SA43655.E software package (e.g., specific motor protection curves, arc flash detection) match your protected asset’s requirements.

• Confirm Communication Needs: The hardware assembly 8RDB43655 determines the available communication ports. Verify it provides the necessary physical interfaces (Ethernet, serial) for your SCADA or control system.

• Plan for Configuration Tools: Commissioning requires dedicated software (e.g., MiCOM S1 Studio). Ensure access to the correct software version and necessary configuration files.

• Cybersecurity Configuration: Upon installation, immediately configure passwords, user roles, and communication security settings in line with the facility’s cybersecurity policy.

• Procure as a Complete Set: This identifier represents a single, cohesive product. Do not attempt to source the components separately, as the software is tightly coupled to the specific hardware assembly. Always procure the ALSTOM NRD108028 8RDB43655 SA43655.E as the complete unit.

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