Description
- Product Model: IS215AEPCH2F
- Manufacturer: GE
- System Platform: Mark VIe Wind Turbine Control
- Functional Designation: BPPC + AEPC Module Assembly (also referenced as GE PN 109W8659P001)
- Pitch System Rating: Configured for 30 Nm torque pitch actuators with non-CANBus air distance control (center/axle variant)
- Power Supply Input: 24 V DC nominal from turbine power distribution, with integrated regulation and distribution
- Communication Interfaces: Ethernet-based IONet connectivity to Mark VIe controller; non-CANBus design for direct wired pitch coordination
- I/O Capabilities: Multi-channel analog/discrete support for pitch motor commands, position feedback, limit switches, and status monitoring
- Operating Temperature Range: -30°C to +65°C, suitable for nacelle/hub environments
- Humidity Tolerance: 5% to 95% non-condensing, with conformal coating for moisture and corrosion resistance
- Mounting Type: Modular board assembly with carrier for installation in pitch control cabinet or axis enclosure
- Dimensions (approx.): Standard AEPC/BPPC footprint, typically 220 mm x 160 mm x 90 mm including carrier
- Weight: Approximately 2.0-2.5 kg with assembly hardware
- Protection Features: Overcurrent, overtemperature, short-circuit, and fault isolation circuits
- Certification Standards: CE compliant, aligned with IEC 61400 wind turbine electrical and EMC requirements
- Mean Time Between Failures (MTBF): Engineered for >100,000 hours in continuous wind farm operation
- Response Time: <50 ms typical for pitch command execution, enabling rapid blade adjustment in dynamic wind conditions
Technical Architecture & Functional Positioning
The IS215AEPCH2F operates as a combined power processing and pitch center controller at the hub-level in Mark VIe wind turbine systems. It consolidates BPPC power conditioning with AEPC coordination functions, receiving high-level pitch demands from the main controller via IONet, then distributing regulated power and precise control signals to blade actuators. This integrated design supports non-CANBus architectures, relying on direct wired interfaces for reliable, low-latency operation in pitch critical paths.
Core technologies encompass onboard power regulation circuits, Ethernet communication processors, isolated I/O channels, and embedded diagnostic logic. These address wind-specific challenges: ensuring stable power delivery to pitch drives amid voltage fluctuations, maintaining synchronization across blades for load balancing, and providing fault detection in remote, vibration-prone hub environments. The non-CANBus variant simplifies certain installations by avoiding bus contention while preserving high-integrity control.
The module’s assembly supports modular replacement and is compatible with GE’s wind pitch ecosystem, facilitating diagnostics back to the central controller for condition-based maintenance and extended turbine availability.
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