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- PD D405 A101
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- Sweden
- 482 × 350 × 200 mm
- 18.5kg
- 3BHE041626R0101
- Xiamen, China
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Product Details: PD D405 A101 (3BHE041626R0101)
Brand
Series
D400 series (excitation/control modules for power generation systems)
Product Introduction
The ABB PD D405 A101 (3BHE041626R0101) is a high‑performance excitation control unit engineered for precise automatic voltage regulation in synchronous generators. It offers accurate voltage control within ±0.25%, supports large-scale units up to 800 MVA, and employs adaptive PID algorithms for real‑time compensation of grid disturbances.
Applications
This excitation control module is ideal for critical power generation settings, including:
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Thermal power plants (coal, gas turbine generators)
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Hydroelectric generation systems coordinating governors and exciters
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Nuclear power as backup excitation support
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Industrial power synchronization and large rotating machinery control
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Renewable energy installations (wind or solar farms) for dynamic reactive power regulation
Advantages
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High voltage regulation accuracy (±0.25%) even under load fluctuations
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Rapid transient response—regulates voltage within 50 ms of disturbance
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Adaptive PID control to counteract aging effects and grid instability
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Dual‑redundant digital signal processors with sub‑microsecond sync and hot‑swappable I/O for minimal downtime
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Built‑in support for Modbus TCP and IEC 61850 protocols, enabling advanced smart‑grid integration and remote monitoring
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Robust design with IP54 protection and operational range from –25 °C to +70 °C
Technical Parameters
| Parameter | Specification |
|---|---|
| Device Type | Excitation Control Unit |
| Voltage Regulation Accuracy | ±0.25% of setpoint |
| Maximum Generator Capacity | Up to 800 MVA |
| Response Time | < 50 ms (to 90% step change) |
| Redundant Processing | Dual DSP with < 1 µs synchronization latency |
| I/O Design | Hot‑swappable modules |
| Communication Protocols | Modbus TCP, IEC 61850 |
| Protection Rating | IP54 |
| Operating Temperature | –25 °C to +70 °C |
| Humidity Range | 5% to 95% (non‑condensing) |
| Dimensions (mm) | 482 × 350 × 200 |
| Weight (kg) | 18.5 kg |
| Certifications | UL 508, CE, IEEE 421.1 |
Related Models (Same Series or Closely Related)
Here are five modules from the same D400 series or with similar functionality:
| Model | Highlights / Key Specs |
|---|---|
| PD D405 A101 (3BHE041626R0101) | Excitation Control Unit: ±0.25% accuracy, <50 ms response, IP54, dual DSP, 482×350×200 mm, 18.5 kg |
| GFD233A103 | Rectifier control module for generator excitation (DCS integration) |
| PC D530 A102 | High‑performance controller for excitation systems in the same ecosystem |
| AC 800PEC GFD563A101 | Advanced excitation control unit with high reliability and control capabilities |
| PPD113B01‑25‑111001 | Control system module adaptable to excitation/regulation tasks |
| PD D500 A101 | Control board variant with support for RS‑485, 12–48 V DC, compact form factor |
Popular ABB Models (Same Brand)
Here are five widely used ABB automation/control modules:
| Model | Highlights / Key Specs |
|---|---|
| PD D405 A101 (3BHE041626R0101) | As detailed above—the premier excitation control module |
| PC D530 A102 | High‑performance excitation controller within ABB’s DCS architecture |
| AC 800PEC GFD563A101 | Excitation control tailored for rapid processing and high reliability |
| PPD113B01‑25‑111001 | Flexible control system module, often deployed alongside excitation hardware |
| PD D500 A101 | Smaller control module variant offering compact control capabilities |
FAQs (Q&A Format)
Q1: What is the primary function of this module?
A1: It’s an excitation control unit that maintains generator voltage with high precision.
Q2: How precise is the voltage regulation?
A2: Regulation accuracy is within ±0.25% of the setpoint.
Q3: What is its response time to disturbances?
A3: It reestablishes stable voltage within 50 ms after a step disturbance.
Q4: How does redundancy work in this unit?
A4: It uses dual redundant DSP processors that switch over in under 5 ms, ensuring uninterrupted operation.
Q5: What communication protocols does it suport?
A5: It supports Modbus TCP and IEC 61850, facilitating seamless integration with modern SCADA and smart grid systems.
Q6: Is the module easy to maintain during operation?
A6: Yes—hot‑swappable I/O modules allow component replacement with no shutdowns.
Q7: What kind of environments can it operate in?
A7: It functions reliably in harsh industrial settings—IP54 protection, and –25 °C to +70 °C ambient range.
Q8: What are the physical dimensions and weight?
A8: It measures 482 × 350 × 200 mm and weighs 18.5 kg.
Q9: In what power systems is this module commonly used?
A9: Used across thermal, hydroelectric, nuclear, industrial, and renewable power generation systems for excitation control.
Q10: Why choose this model over other excitation units?
A10: It offers superior precision, fast response, dual redundancy, modern protocols, and serviceability—all in one rugged package.
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Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
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