Product Overview
SSB DGNR-030Z is a rectifier module for the pitch drive of wind turbine generators produced by the former SSB Wind Systems (now part of Siemens Gamesa). It adopts IGBT rectification technology and is specifically designed for precise motor drive control of doubly-fed/direct-drive wind turbines. This module is a 50Hz version of the European/Chinese grid standard and is currently in used condition. It has been running for approximately 50 hours and is a nearly brand-new item with an extremely short usage period.
Typical technical parameters
Parameter Specification
Module type IGBT transistor rectifier/inverter module
Applicable power 30kW pitch motor drive
Input voltage 400–690V AC (three-phase, 50Hz)
Output Variable frequency/voltage PWM drive for pitch motor
Switching frequency 2–8 kHz (typical)
Cooling method Force air cooling / water cooling (depending on version)
Protection level IP54 (installed in cabinet)
Operating temperature -25°C ~ +60°C
Operating time ≈ 50 hours (New, extremely fresh)
Certification CE, DNV-GL (wind power certification)
Size (approx.) 400 × 300 × 200 mm (W×H×D)
Weight (approx.) 15–25 kg
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