Overview
Specification
| Parameter / Item | Specification |
|---|---|
| Model Number | PPC902AE101 |
| ABB Order Code | 3BHE010751R0101 |
| Module Type | Excitation Control Module |
| Function | Voltage regulation, generator excitation, and system feedback control |
| Operating Voltage | 24–48 VDC typical |
| Input Signals | Analog and digital feedback from generator sensors |
| Output Signals | Excitation control output to generator field winding |
| Response Time | < 50 ms typical |
| Operating Temperature | –20°C to +60°C |
| Storage Temperature | –40°C to +85°C |
| Humidity Range | 5%–95% non-condensing |
| Communication Interface | ABB drive bus / excitation system interface |
| Mounting | Rack-mount or panel-mount compatible |
| Compliance Standards | IEC 61508, CE, ABB industrial and safety standards |
| Dimensions | 180 mm × 120 mm × 30 mm (approx.) |
| Weight | 0.45 kg (approx.) |
FAQ
A: It supports a wide range of ABB synchronous generators, but compatibility should be verified for specific models.
Q2: How does the module respond to load changes?
A: The module regulates voltage quickly and maintains stable generator output even during rapid load fluctuations.
Q3: Can it be used for retrofits?
A: Yes, it is designed for both new installations and retrofitting legacy excitation control systems.
Q4: What environmental conditions can it tolerate?
A: It operates reliably between –20°C and +60°C and handles industrial humidity ranges.
Q5: Is maintenance difficult?
A: No, ABB provides clear manuals and modular design allows easy replacement with minimal downtime.
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