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The GE IS200HFPAG2ACB is a High-Frequency AC/Fan Power Supply Board (HFPA) used in the General Electric Mark VI Speedtronic Turbine Control System.
Its primary function is to act as a power conditioner and regulator, converting a high-voltage input into stable, low-voltage AC and DC outputs. This power is essential for operating the system’s cooling fans and supplying isolated power to other high-frequency control circuits within the turbine drive cabinet.
⚡ Key Specifications and Role
The IS200HFPAG2ACB belongs to the G2 family of the HFPA board, which typically has a slightly higher voltage rating compared to the older G1 versions.
| Feature | Detail |
| System | GE Mark VI Speedtronic Turbine Control (Manages gas and steam turbines). |
| Functional Role | Power conversion and regulation for thermal management and control circuitry. |
| Input Voltage | Wide range input, typically 230 VAC or 230–1000 VDC. |
| Key Outputs | 52 VDC, 52 VAC (Squarewave), and 19.1 VAC (Squarewave). |
| AC Output Frequency | High-frequency square wave, typically around 25 kHz ($\pm 5\%$). |
| Maximum Load | The total output load must not exceed 90 VA (Volt-Amperes). |
| Connectors | Four stab-on connectors for input and eight plug connectors for output. |
| Protection | Includes four fuses and a Metal Oxide Varistor (MOV) for circuit protection. |
| Diagnostics | Two Status LEDs (DS1 and DS2) indicate the status of the output voltages (typically the 19.1 VAC and 52 V AC/DC outputs). |
