GE 151X1233DD01SA02 Pitch Battery Charger (109W6931P001)

Product Overview

The GE 151X1233DD01SA02 (Drawing/Part Number: 109W6931P001) is an industrial-grade Pitch Battery Charger manufactured by General Electric (GE Power & Water). Designed primarily for wind turbine pitch control systems, this module regulates and maintains emergency back-up battery banks within the hub assembly. It ensures continuous power availability to rotate turbine blades to a safe feathered position during grid loss or main power disruptions. Supplied as NIB (New In Box), this unit provides OEM-level reliability for critical energy infrastructure.

Technical Parameter List

Key Features & Advantages

High-Reliability Charging Algorithm: Delivers precise voltage and current regulation tailored to extend the operational life of emergency backup battery packs.

Fail-Safe Operation: Guarantees reserve power delivery for blade feathering procedures during sudden power failures, preventing aerodynamic overspeed events.

Industrial Thermal Resilience: Constructed with ruggedized power components engineered to withstand ambient temperature fluctuations inside the wind turbine hub.

Plug-and-Play Compatibility: Form-factor and pin-out compatibility with GE pitch control cabinets eliminate modification needs during maintenance or retrofit cycles.

Integrated Circuit Protection: Built-in safeguards against over-voltage, short-circuits, over-current, and reverse-polarity conditions.

Model Classification & Nomenclature

Base Series: 151X (GE Power Conversion / Renewable Energy Control Board Series)

Design Identifier: 1233DD01 (Specific circuit revision and hardware layout)

Sub-variant Code: SA02 (Software/hardware feature configuration package)

Cross-Reference OEM Number: 109W6931P001 (GE Power & Water global logistics part catalog identifier)

Environmental Tolerance Conditions

Operating Temperature: -20°C to +60°C (-4°F to 140°F)

Storage Temperature: -40°C to +85°C (-40°F to 185°F)

Relative Humidity: 5% to 95% (non-condensing)

Vibration Resistance: High-g vibration tolerance engineered for dynamic hub rotation and mechanical stress in utility-scale wind turbines.

Protection Rating: PCB-level conformal coating for humidity and airborne particle isolation within closed industrial cabinets.

Installation Method

Power Isolation: Lockout and tagout (LOTO) all AC supply power and disconnect the target pitch battery bank before handling the unit.

Electrostatic Discharge (ESD) Safety: Wear an grounded ESD wrist strap before removing the replacement module from its original anti-static packaging.

Physical Mounting: Secure the assembly onto the pitch control panel or sub-rack using the factory-designated mounting holes and torque fasteners to OEM specification.

Wiring & Interconnects: Connect the input AC power harness, DC battery charging output cables, and diagnostic communication interface connectors firmly into their designated pin positions.

Pre-Power Inspection: Inspect all terminal connections for proper polarity and firm wire seat prior to re-energizing the cabinet.

Operating Instructions

Initial Power-On: Re-apply auxiliary power to the pitch cabinet. Verify that status indicators (LEDs) transition from power-on initialization to normal float charging mode.

Float & Absorption Cycle: The charger automatically detects battery state-of-charge, applying fast-charge or trickle-charge regimes according to system feedback.

Routine Inspection: Periodically check output voltage levels across the battery terminals during annual maintenance cycles using a calibrated digital multimeter.

Fault Handling: If a charge fault or low-voltage alarm is triggered by the pitch controller, inspect input supply fuses, check individual battery cell impedances, and ensure terminal connections remain free of oxidation.