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The GE DS215GGIAG1BZZ01B is a specialized and critical printed circuit board assembly used in General Electric’s high-reliability power generation control systems. It is generally referred to as an Exciter Voltage Regulator Module or Generator Board.
It is primarily used as a key component of the GE EX2000 Excitation Control System, which is frequently paired with the Speedtronic Mark V Turbine Control platform.
⚡ Key Specifications and Functions
| Feature | Specification/Description |
| Product Type | Generator Gate Interface Assembly (GGIA) / Exciter Voltage Regulator Module |
| Series/Family | GE EX2000 Excitation Systems and Mark V Turbine Control Systems |
| Core Function | Automatic Voltage Regulation (AVR). It is the core control module for the generator’s excitation system. It manages the field current supplied to the generator to maintain a constant, stable output voltage regardless of load changes. |
| High-Integrity Control | The board integrates multiple control loops: * Automatic Voltage Regulator (AVR) * Field Voltage Regulator * Field Current Limit Regulator * Volts/Hertz Limit Regulator * Under Excitation Limit Regulator |
| Power Handling | Operates with industrial voltages: * Input Voltage: $125 – 400 \text{ VDC}$ * Nominal Power: Up to $1000 \text{ W}$ |
| Architecture | It acts as a bridge, translating digital instructions from the main processor into tangible actions to control the power electronics (like SCR bridges) that supply the generator’s field. |
| Firmware Role | The suffix BZZ01B is highly important, as it confirms the board is pre-loaded with a specific, application-defining firmware/software package necessary for its voltage regulation functions. |
| Components | Features numerous components including fuses, relays, resistor network arrays, a potentiometer, and extensive test points (TP) for diagnostics. |
| Communication | It is equipped with communication interfaces such as RS232 Modbus, ARCnet, and Ethernet to facilitate data flow and coordination within the larger control system. |
In summary, the DS215GGIAG1BZZ01B is the complex electronic heart of the excitation system, ensuring the generator’s voltage output is precisely controlled, stable, and safe within operating limits.
