الوصف
The GE DS200TCPDG1B Power Distribution Module (TCPD) is a critical printed circuit board (PCB) in the GE Speedtronic Mark V Turbine Control System.1 Its primary function is to manage and distribute power from the main power supply to various control and I/O (Input/Output) components within the Mark V control panel.2
⚡ Core Function and Placement
The DS200TCPDG1B ensures that the necessary DC and AC power is safely distributed to the vital parts of the turbine control system.
- Power Distribution: It takes the main power supply (typically 125 VDC) and distributes it to other key boards and cores, including:3
- The Control Engine Core (where the main processor resides).
- The TCPS (Turbine Control Power Supply) boards in each I/O core.4
- The TCEA (Emergency Overspeed) boards in the protective P1 core.5
- Circuit Protection: A key feature is the inclusion of multiple fuses to provide protection for the downstream circuits.6
- Location: This board is typically located in the
<PD>Core (Power Distribution core) of the Mark V control cabinet.7
🛠️ Key Hardware Features
The design of the DS200TCPDG1B is centered around reliable power management and easy status monitoring.8
| Feature | Detail |
| Functional Acronym | TCPD (Power Distribution) |
| Power Rating | Distributes power rated at 125 VDC. |
| Fuses | Equipped with 36 fuses (housed in black plastic canisters) for overcurrent protection of various circuits. |
| Monitoring | Features 36 green “OK” LEDs, with one LED corresponding to each fuse. A lit green LED indicates the fuse is operational. |
| Control | Includes 8 toggle switches for manual control, allowing technicians to selectively switch power to different sections or cores (e.g., to power down cores individually for maintenance). |
| Terminals | Has 4 signal wire terminals for connecting copper signal wires to other components. |
The built-in LEDs are essential for rapid troubleshooting, as they immediately tell the operator which fuse, if any, has blown, minimizing diagnostic time.9




+86 15340683922
+86 15340683922