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The GE IS200HFPAG1A is a High-Frequency AC/Fan Power Supply Board designed for the General Electric Mark VI Speedtronic Turbine Control System.1
Its core function is to take various input voltages (AC or DC) and convert them into stable, regulated low-voltage AC or DC outputs specifically required to power cooling fans and other high-frequency components within the turbine drive cabinet or control panel.2
⚡ Key Functions and Specifications
| Specification | Details |
| Board Function | High-Frequency AC/Fan Power Supply (HFPA) |
| System Series | GE Mark VI Speedtronic Turbine Control System |
| Input Voltage | Can accept both high-voltage AC and DC inputs (e.g., 230-1100 VDC / 230 VAC) |
| Primary Outputs | 48 VAC (Squarewave) and 48 VDC |
| Auxiliary Output | 17.7 VAC (Squarewave) for power circuitry |
| Max Output Load | 90 VA (Volt-Amperes) maximum total output |
| Connectors | 4 Stab-on input connectors and 8 plug output connectors |
| Protection | Includes a metal oxide varistor and four fuses for circuit protection |
| Diagnostics | Two LED indicators (DS1 and DS2) to show the status of the voltage outputs |
Power Conversion Role
The board is crucial for maintaining the operational health of the control system.3 By providing dedicated, regulated power to the cooling fans, it ensures that the critical electronic components, like other control boards and processors, remain within their optimal temperature range, preventing overheating and ensuring the overall reliability of the turbine control.4
