الوصف
The GE IS200HFPAG2ADC is a specific revision of the High-Frequency AC/Fan Power Supply Board (HFPA) designed for the GE Speedtronic Mark VI turbine control system.
Like its related models (G2A, G2ACB, etc.), this board is a critical component for power management within the Mark VI control rack.
⚡ Role and Features
The IS200HFPAG2ADC acts as a DC-to-AC power converter and regulator to ensure stable, reliable power is delivered to the control electronics and cooling system.
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Primary Function: It converts input power (typically 230 VAC or DC from the DC link) into regulated, high-frequency square wave AC output voltages.
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Voltage Outputs: It supplies the necessary power to the I/O processors and cooling fans, most commonly providing regulated outputs of:
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17 V AC
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48 V AC/DC (or 52 V)
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Design Components:
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It features two large transformers and heat sinks to manage the power conversion process and heat dissipation.
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It includes four stab-on connectors for input power and eight plug connectors for distributing the output power.
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Circuit protection is provided by fuses and a Metal Oxide Varistor (MOV).
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Diagnostics: The board is equipped with two LED indicators (DS1 and DS2) to monitor the status of the output voltage lines, which assists in troubleshooting the control system.
The “ADC” suffix denotes the specific assembly revision within the G2A family of High-Frequency Power Supply boards. This board is essential for the continuous and safe operation of the entire Mark VI turbine control system.




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+86 15340683922