PPD513A25-111615 3BHE039724R2565 high-end Power Protection & Detection Module
PPD513A25-111615 (with 3BHE039724R2565 as its exclusive order number) is a high-end Power Protection & Detection Module developed by ABB, specifically engineered for large-scale medium-to-high voltage power electronic systems (e.g., megawatt-level industrial drives, grid-connected converters, and HVDC auxiliary systems). It integrates multi-channel high-precision fault detection, real-time insulation monitoring, and coordinated protection with upper-level control units (such as ABB’s PPC907BE/PPC905AE series). As a core "safety barrier" for critical high-power equipment, it focuses on ultra-fast fault response, comprehensive parameter monitoring, and high reliability to protect expensive power semiconductors (IGBTs/IGCTs) and ensure uninterrupted system operation. The detailed information is as follows:
- Input Voltage: Triple redundant 24VDC ±15% (supports hot-swap of power modules to avoid protection failure due to single power outage; optional 110V/220V AC-DC power module for special grid environments).
- Power Consumption: Typical 18W (normal monitoring state), maximum 35W (fault detection, signal transmission, and LCD display active).
- Isolation Performance:
- Between high-voltage signal input terminals (e.g., DC bus voltage sampling) and low-voltage control terminals: ≥5000V AC (1 minute, IEC 60664-1 standard) – critical for isolating medium-to-high voltage power circuits from low-voltage control systems and ensuring operator safety.
- Between different analog input channels (e.g., phase A/B/C current sampling): ≥2000V AC (1 minute) – eliminating cross-interference between high-precision monitoring signals.


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