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ABB RED615E_D Line Differential Protection and Control Relay 

1. Key Parameters

• Product Model: RED615E_D
• Product Series: ABB RED-Series Industrial Power System Protection Relays (Line Differential Protection)
• Core Function: Line differential protection; overcurrent/overvoltage protection; fault recording; remote control; compatible with IEC 61850 communication protocol.

2. Core Features

• High-Precision Differential Protection: 0.5 accuracy class ensures fast (≤50ms) and accurate fault detection, minimizing power outage duration.
• IEC 61850 Integration: Supports GOOSE (Generic Object Oriented Substation Event) for real-time signal transmission, adapting to smart grid construction.
• Multi-Protection Integration: Combines line differential, overcurrent, and voltage protection in one device, reducing equipment redundancy.
• Industrial Durability: -25℃~+70℃ operating range and IP40 protection resist harsh power system environments (dust, temperature fluctuations, electrical interference).

3. Application Fields

• Power Grid Transmission Lines: Protects 110kV~220kV overhead/cable lines in municipal power grids, ensuring grid stability.
• Industrial Power Distribution: Guards high-voltage lines in steel plants, refineries, and industrial 自备电厂 against faults.
• Renewable Energy Integration: Protects transmission lines connecting wind farms/solar parks to the main grid, ensuring safe energy delivery.

4. Precautions

• Compatibility: Must be configured with power system parameters (line impedance, rated current) via ABB configuration software; avoid mismatched settings.
• Installation: Follow IEC 61850 substation wiring standards; separate control cables from high-voltage power cables to reduce EMI.
• Maintenance: Calibrate protection parameters annually; check fault recording data quarterly; update firmware per ABB technical notices.
• Spare Parts: Use genuine ABB RED615E_D components—non-genuine parts may cause protection failure, leading to power system accidents.

The structure and details of the product：

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