Description
- Product Model: IS215WECAH1A
- Manufacturer: GE
- System Platform: Mark VIe Wind Turbine Control
- Power Supply Voltage: 24 V DC nominal (±10% tolerance), supporting low-voltage control circuits in nacelle environments
- Power Consumption: Approximately 1.5 A maximum, with ripple <5% to maintain stable operation during voltage transients
- Operating Temperature Range: -20°C to +70°C (derated performance above 50°C), suited for variable nacelle conditions
- Humidity Tolerance: Up to 95% non-condensing, with conformal coating for moisture and contaminant resistance in offshore/onshore installations
- Dimensions: Approximately 190 mm (W) × 125 mm (H) × 220 mm (D), compact for tower or nacelle mounting
- Weight: Around 1.8 kg, facilitating safe handling during maintenance at height
- Communication Interfaces: Dual 100 Mbps Ethernet ports for Mark VIe IONet integration, enabling redundant high-speed data exchange
- I/O Configuration: Supports analog inputs (±10 V range), digital triggers, and field wiring terminations for converter signals
- Signal Conditioning: Built-in isolation and filtering for noise immunity in high-EMI converter environments
- Conformal Coating: Applied PCB protection (typical for wind/HazLoc variants), enhancing reliability against dust, salt, and vibration
- MTBF: High reliability design typical of Mark VIe wind modules (>150,000 hours in continuous duty)
- Certifications: Compliant with industrial standards for wind applications (IEC 61400 series compatibility where specified), CE marking, and designed for harsh environment operation
- Enclosure Rating: IP20 or higher with cabinet mounting, conformal-coated for extended environmental resilience
Technical Architecture & Functional Positioning
The IS215WECAH1A functions at the interface layer within GE’s Mark VIe architecture for wind turbines, specifically bridging control logic with the power conversion subsystem in DFIG configurations. It is positioned as a terminal pack and interface board (often referred to as WECA/MACC – Wind Energy Control Assembly / Main AC Converter Control), handling physical connections from field sensors, actuators, and converter controls to the Ethernet-based Workstation Ethernet Controller (WEC). This separation allows the board to provide robust, noise-immune signal paths in the electrically noisy nacelle or tower base, where PWM switching from converters generates significant interference.
Core technology includes galvanic isolation on key channels, onboard signal conditioning amplifiers, and dual Ethernet connectivity for redundant communication paths. The board supports direct termination of analog and digital signals from rotor-side and grid-side converters, feeding conditioned data into the Mark VIe network. In DFIG systems, precise torque and speed control rely on fast, accurate feedback loops; this assembly ensures low-latency signal transfer while maintaining electrical separation to prevent ground loops or surge propagation. Vibration-resistant design and conformal coating address wind-specific challenges like constant motion, temperature cycling, and exposure to elements.
From an engineering perspective, the module solves critical issues in renewable integration: maintaining control stability during grid faults or wind gusts, where millisecond-level response prevents converter trips or generator damage. Its compatibility with Mark VIe tools enables parameter tuning and diagnostics without hardware changes, supporting predictive maintenance in remote wind farms.
Typical Application Scenarios
- Deployed in onshore and offshore wind farms using GE DFIG turbines for converter interface and control signal management, ensuring stable active/reactive power regulation.
- Used in wind turbine retrofits or upgrades where legacy converter controls require modern Mark VIe integration with minimal rewiring.
- Serves as replacement part in GE 1.x to 3.x MW class turbines, maintaining seamless operation of rotor current control and grid synchronization.
- Applied in hybrid renewable setups combining wind with energy storage, interfacing converter signals for coordinated power output.
- Utilized in harsh-environment installations (offshore platforms) where conformal coating and extended temperature range prevent premature failures from salt spray or condensation.
Quality Standards & Testing Procedures
Wind turbine control components demand exceptional dependability, as failures at height incur high replacement costs and production losses. We apply rigorous protocols aligned with GE guidelines to verify each IS215WECAH1A, focusing on environmental resilience and signal fidelity critical to converter performance.
Visual Inspection & Cleaning
Boards undergo detailed examination for coating integrity, component stress, connector wear, or corrosion traces. Professional ESD-safe cleaning removes any contaminants accumulated in field service.
Live Testing
Units power up on Mark VIe-compatible test platforms for extended burn-in (minimum 48 hours), monitoring power draw, temperature rise, and Ethernet link stability under simulated load variations.
Functional Verification
- Signal Path Testing: Analog and digital channels stimulated across full ranges, verifying isolation, linearity, and noise rejection.
- Communication Validation: Dual Ethernet ports tested for packet integrity, redundancy failover, and throughput in noisy environments.
- Environmental Stress: Thermal cycling and vibration simulation to confirm coating adhesion and component stability.
ABB BAILEY CONTROLS 6639049d1 SLC01 main board
ABB DDCS Interface Board YPQ-112B YPQ-112 YPQ NEW
Reliance Snubber Resistor 2SR21200 D2-3291 230v NEW
NEW ALLEN BRADLEY 810-A09A 810A09A SER B RELAY NIB
FOXBORO 2AX-A4-S 2AXA4S CONTROL CARD AUTO-MANUAL
TOSHIBA VFS7-4150UPLH TRANSISTOR INVERTER 25 Kva 20HP
ALLEN BRADLEY 2705-P11J1L 2705P11J1L OPERATOR INTERFACE
Reliance Snubber Resistor 2SR20600 D2-3291 230v NEW
Gould Modicon Schneider Monitor PA-0616000C PA0616000C
ABB ASEA 5716 0001-K 57160001K DSDO-110 DSDO110 NEW
Nikki Denso Multicom MCN-1002S2C MCN1002S2C
Honeywell Industrial Valve Motor 831E1-A-16-0-60-B NEW
ABB YT204001-JN YT204001JN YT204001 refurb
Foxboro Board Card 2AX+AVS 2AX AVS 2AXAVS St A NIB
Yaskawa PC Board Card Module JANCD-HA03 JANCDHA03 D NEW
NEW FOXBORO 2AX-INT-L 2AXINTL NO301AL REV.U NEW IN BOX
MICRO MOTION RFT9712 1KN REMOTE FLOW TRANSMITTER
Fisher DPR900X1-A7 DPR 900 Temp Controller DPR900
Videojet Technologies 348294-L 348294L Multi Matrix
DANFOSS 175H1741 5HP VARIABLE SPEED DRIVE 5 HP 3006 VLT
Bailey infi90 Board Card Controller IMC0M03
Bailey infi90 Analog Output Module Slave IMAS001
