Products Description
GE DS200DCFBG1BLC DC Feedback Power Board in stock
GE DS200DCFBG1BLC (DCFB) is a DC feedback power supply board for GE Speedtronic Mark V turbine control and EX2000 excitation system. It provides multi-channel regulated control power for the drive and exciter, and also supplies power for cabinet cooling fans inside the turbine control cabinet.


This board accepts 38~115VAC input and generates +5V, ±15V, ±24VDC control power, with built-in SCR gate pulse driver circuits. It is coated for industrial environments and has onboard status indicators. It is discontinued legacy hardware, mainly available as surplus or refurbished spare parts for power plant excitation and turbine cabinet maintenance.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | GE General Electric |
| 2 | Model | DS200DCFBG1BLC |
| 3 | Module Type | DC Feedback Power Supply Board (DCFB) |
| 4 | Compatible System | Speedtronic Mark V, EX2000 Excitation System |
| 5 | AC Input Range | 38 ~ 115 VAC |
| 6 | DC Output | +5V, ±15V, ±24VDC regulated control power |
| 7 | Operating Temperature | -40℃ ~ +70℃ |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Convert AC input to multiple regulated DC control power for exciter and drive circuits |
| 2 | Generate SCR gate pulse drive signals for generator excitation control |
| 3 | Supply 115VAC power for cabinet cooling fan inside turbine control cabinet |
| 4 | Monitor internal power status and provide fault indication via onboard LEDs |
| 5 | Cross compatible with DC2000, AC2000, CB2000, ME2000 and FC2000 drives |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Power plant Mark V gas / steam turbine control and EX2000 excitation cabinet |
| 2 | Combined cycle power unit generator excitation control system |
| 3 | Oil & gas turbine and compressor drive control cabinet |
| 4 | DC2000 / AC2000 series drive system power supply unit |
| 5 | Legacy Mark V and EX2000 system spare replacement and retrofit |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is GE DS200DCFBG1BLC? A:It is DC feedback power board (DCFB) for GE Mark V turbine control and EX2000 excitation system, converting AC input into multi-channel stable DC control power and providing SCR gate pulse drive signals for generator excitation. |
| 2 | Q:What systems can this board work with? A:It is designed for Mark V Speedtronic turbine control system and EX2000 excitation system, also compatible with DC2000, AC2000, CB2000, ME2000 and FC2000 series drives. |
| 3 | Q:Is DS200DCFBG1BLC still in production? A:DS200DCFBG1BLC has been discontinued. Available stock is surplus or refurbished spare parts for maintenance of old Mark V turbine and EX2000 excitation systems. |