GE DS200FGPAG1AKD DS200FGPAG1A-KD Mark V Turbine Control Gate Pulse Amplifier Board.The DS200FGPAG1AKD Gate Pulse Amplifier (FGPA) provides three basic functions for the Load Commutated Inverter (LCT):
Gate Driver: Each FGPA supplies gate power for one phase of a Silicon Controlled Rectifier (SCR) bridge. To achieve this, each FGPA contains two gate driver circuits. Each gate driver is capable of providing gate power with sufficient magnitude and duration for one to six series - connected SCRs.
Upon receipt of a gating command via a fiber - optic link from the Load Commutated Inverter (LCI) controller, the gate driver sends gate power to the SCR gates through isolation Current Transformers (CTs) located on DS200FHVA cards mounted near the SCRs. (One FHVA per SCR). The primary windings of the isolation CTs are connected in series to ensure simultaneous gating of all SCRs.
SCR Status Monitor: The FGPA can collect cell voltage information from up to 12 FHVAs and feedback this information to the LCT controller via an optical serial data link.
Switching Power Supply: The FGPA accepts an AC power input of 120 Volts Root Mean Square (Vrms) ±20%. This input is converted into the DC control voltages required for the gating and status functions. Three FGPAs are required for each three - phase SCR bridge.
The DS200FGPAG1AKD is a circuit board designed by GE for the Mark V turbine control system series. It is designed for the Speedtronic series and is used to control gas and wind turbines. The Mark V series features built-in diagnostics and a triple redundancy design, and it can also be used in conjunction with the Simplex system if necessary. General Electric no longer manufactures this DS200FGPAG1AKD printed circuit board, or PCB for short, as it was discontinued due to obsolescence over the years after its initial release.
GE DS200FGPAG1AKD Mark V Turbine Control Gate Pulse Amplifier Board
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