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Arc Fault Protection Devices TDAFD6

Talemod Arc Fault Detection Device (AFDD) for photovoltaic (PV) systems is an advanced, intelligent safety device specifically designed to monitor the DC circuits of a PV system in real-time for dangerous arc faults. Upon detection, it rapidly disconnects the circuit, effectively preventing fires caused by such arcs. It serves as a necessary supplement to traditional over-current and over-voltage protection and is a critical component for enhancing the safety level of PV systems. It is particularly suitable for various applications, including residential, commercial, and large-scale power plants.

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Product Details

Technical Data

Arc Fault Protection Devices
Rated voltage: DC500V	Poles:2P
In: 6~63A	Icn: 10KA
B/C	IEC63027

Core Functions

Core Mission: To proactively warn of and eliminate fire hazards, protecting life and property.

Working Principle: The AFPD continuously analyzes current and voltage signals in the DC circuit using advanced algorithms to distinguish between normal system operation arcs (e.g., inverter switching) and hazardous fault arcs.

Real-time Monitoring: High-precision built-in sensors continuously collect current and voltage waveforms from the PV DC circuits (series/parallel).

Intelligent Analysis: An integrated microprocessor uses complex algorithmic models to perform multi-dimensional analysis of the captured waveform characteristics.

Main Product Features

High-Reliability Arc Detection: Utilizes multi-feature fusion algorithms, significantly reducing the probability of false alarms and missed detections. Capable of detecting both series and parallel arcs.

Self-Diagnostic Function: The device features power-on self-test and periodic runtime self-test functions to ensure the sensors and core circuits operate normally. If an internal fault is detected (e.g., sensor failure), it signals a fault to alert the user for timely maintenance.

Remote Monitoring & Communication (Optional): Supports RS485, Bluetooth, or wireless communication modules for easy integration into PV system monitoring platforms. Users can remotely check device status and receive alarms via computer or mobile app, enabling intelligent management.

Compliance with International Safety Standards: The design strictly adheres to international authoritative standards.

Broad Operating Range: Supports high DC voltages (typically up to 1000V/1500V) and high currents, suitable for mainstream large-scale PV systems.

Easy Installation & Maintenance: Standard DIN rail mounting for compatibility with existing electrical distribution systems. Clear LED status indicators facilitate quick on-site diagnostics.

Application Areas

Residential rooftop PV systems

Commercial building PV systems (factories, shopping malls, schools, etc.)

Large-scale ground-mounted PV power plants

Building-Integrated Photovoltaics (BIPV) projects

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