PPD512 A10-454000 specialized Power Protection & Detection Module

PPD512 A10-454000 is a specialized Power Protection & Detection Module developed by ABB, primarily designed for medium-to-high voltage power electronic systems. It focuses on real-time fault detection, power parameter monitoring, and coordinated protection with upper-level control units (e.g., ABB’s PPC series control units), acting as a "safety barrier" for critical equipment such as industrial drives, inverters, and grid-connected converters. Its core value lies in fast fault response and accurate protection logic, ensuring the safety of power semiconductors (IGBTs/IGCTs) and the entire system. The detailed information is as follows:

1. Basic Product Overview

2. Key Electrical & Hardware Specifications

2.1 Power Supply Requirements

• Input Voltage: 24VDC ±15% (for internal detection circuits and logic control; supports dual redundant input (optional) to avoid protection failure due to single power supply outage).
• Power Consumption: Typical 8W (normal monitoring state), maximum 15W (fault detection and signal transmission state).
• Isolation Performance:
  • Between high-voltage signal input terminals and low-voltage control terminals: ≥4000V AC (1 minute, IEC 60664-1 standard) – critical for isolating medium-voltage power circuits from low-voltage control systems and ensuring operator safety.
  • Between power supply terminals and signal terminals: ≥2500V AC (1 minute), preventing electrical interference from affecting detection accuracy.

2.2 Detection Capabilities & Parameters

• Overcurrent Detection:
  • Input signal type: AC current (via current transformers (CTs) with ratio 1000:5A or 2000:5A, compatible with most industrial CT specifications);
  • Detection range: 0–2000A (continuous current), 0–10000A (peak surge current);
  • Accuracy: ±2% (within 10%–100% of full scale);
  • Response time: ≤50μs (for overcurrent faults exceeding 150% of rated current, ensuring fast shutdown of power semiconductors).
• Overvoltage/Undervoltage Detection:
  • Input signal type: DC bus voltage (direct sampling) or AC grid voltage (via voltage transformers (VTs) with ratio 1000:100V);
  • Detection range (DC): 0–3000V (for medium-voltage drive DC buses), (AC): 0–1000V (rms, for 380V/690V/10kV grid systems);
  • Accuracy: ±1.5% (within 20%–100% of full scale);
  • Threshold setting: User-configurable via ABB’s dedicated configuration software (e.g., Protection Suite) to match system rated voltage.

The company has multiple main brands, and if you have other brand requirements, you can also send them to customer service for inquiry.

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