GE Mark VIe IS215WEMAH1A Wind Energy Main Cabinet Board
The IS215WEMAH1A is a Wind Energy Main Cabinet Board (WEMA/BPPS Assembly) designed by GE Energy (now part of General Electric’s Mark VIe control platform). It serves as a core I/O and control hub for GE’s Mark VIe wind turbine control systems, integrating power conversion control, field signal acquisition, and safety protection logic. The board enables real‑time monitoring of wind speed, rotor speed, blade pitch, and generator output, while executing grid integration and turbine safety protocols (e.g., overspeed/overvoltage protection). Its purpose is to ensure stable, efficient, and safe operation of wind turbines in both onshore and offshore environments.
Intended Use
- Primary Role: Main converter control and I/O management board for Mark VIe wind turbine systems.
- Core Functions:
- Real‑time monitoring of wind turbine parameters (rotor speed, pitch angle, generator output).
- Grid integration control (voltage/frequency regulation for grid compliance).
- Safety protection (overspeed, overvoltage, emergency shutdown).
- Signal conditioning and communication between field sensors, actuators, and the main controller.
- Application Goals: Maximize energy capture, ensure grid stability, and protect turbine assets in harsh wind conditions.
Environmental Requirements
| Parameter | Specification |
|---|---|
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Storage Temperature | -40°C to +70°C (-40°F to +158°F) |
| Relative Humidity | 5%–95% (non‑condensing) |
| Altitude | Up to 3,000 m (9,843 ft) |
| Vibration | 1.0 g (5–500 Hz) (operating) |
| Contamination Class | ISA S71.04 Class G3 (harsh industrial/offshore) |
| PCB Protection | Conformal coated (moisture/dust resistance) |
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | IS215WEMAH1A |
| Series | Mark VIe Wind Turbine Control |
| Manufacturer | GE Energy (General Electric) |
| Functional Type | WEMA (Wind Energy Main Cabinet) / BPPS Board Assembly |
| Digital Inputs | 27 channels (24 VDC) |
| Relay Outputs | 9 relay contact outputs; 3 solid‑state relay outputs |
| Analog Inputs | 2 analog thermistor temperature sensor inputs |
| Communication | Mark VIe internal bus; Ethernet (optional) |
| Power Supply | 24 VDC (±10%) |
| Dimensions (H×W×D) | ~264 mm × 213 mm × 30 mm (10.4 in × 8.4 in × 1.2 in) |
| Weight | ~2.5 kg (5.5 lbs) |
| Certifications | CE, UL, IEC 61400‑1 (wind turbine safety) |
Typical Application Industries
The IS215WEMAH1A is deployed exclusively in renewable energy (wind power) applications:
- Onshore Wind Farms: Utility‑scale wind turbines (1.5–6 MW) for grid‑connected power generation.
- Offshore Wind Farms: Harsh‑environment turbines with enhanced corrosion/vibration resistance.
- Wind Turbine Retrofits: Upgrading legacy GE Mark VI/VIe systems with modern I/O and control capabilities.
Similar Series Products (Mark VIe Wind/Control Boards)
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IS215WEMAH1BA – Updated revision of WEMA board; 27 digital inputs, 9 relay outputs, conformal coated.
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IS215WEPAH1A – Mark VIe Speedtronic I/O board for gas turbine/wind hybrid control; analog/digital I/O.
- IS215ACLEH1A – Mark VIe system controller board; microprocessor‑based, supports distributed I/O for wind/thermal plants.
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