Technical Specifications
The following attributes define the operational limits and physical properties of the power supply module:
- Manufacturer: General Electric (GE)
- Product Series: Mark VI Speedtronic
- Model Number: IS2020RKPSG3A
- Input Voltage: 125 Vdc
- Power Output: 400 Watts
- Output Channels: +28V PSA (1 Remote, 5 Local)
- Physical Slot: Right-side VME Rack Mounting
- System Category: Distributed Control System (DCS)
- Unit Weight: 7.16 kg
- External Dimensions: 8.5 x 33.2 x 38 cm
The GE IS2020RKPSG3A serves as a specialized power supply unit for the Speedtronic Mark VI turbine control family. This series represents a significant technological leap over the previous Mark V architecture. As a core component of the VME rack system, it facilitates the automation of large-scale gas and steam turbines. The Mark VI series integrates advanced processing capabilities to manage complex industrial workflows. Therefore, this power supply acts as the foundation for reliable control operations in utility-grade environments.
Power Management and Output
This RKPS module provides regulated DC power to the VME backplane and peripheral interface cards. It specifically accepts a nominal input of 125 Vdc to accommodate standard power plant battery systems. The unit delivers a robust 400W output rating to support multiple high-drain control processors. Furthermore, the module features a remote +28V PSA output along with five secondary +28V distribution points. These outputs ensure that all interconnected modules receive consistent voltage without signal interference.
Hardware Design and Integration
The IS2020RKPSG3A features a specific form factor for mounting on the right side of VME control racks. This placement optimizes space and allows for efficient thermal management within the cabinet. Unlike some other Mark VI components, this G3A revision emphasizes a streamlined modular assembly. The front panel includes status indicators to provide real-time feedback on power health. Consequently, maintenance teams can identify potential supply faults during routine inspections without disconnecting the system.
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