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IS230TPROH2C GE Module Parts Emergency Turbine Protection Terminal Board
The GE IS230TPROH2C is an Emergency Protection Terminal Board designed for GE Speedtronic Mark VI turbine control systems. It is part of the independent turbine protection architecture and works in conjunction with the VPRO (Voltage Protection) emergency protection processor.
The board provides signal conditioning and termination for critical turbine protection signals, including:
- Turbine speed signals
- Generator voltage signals
- Bus voltage signals
- Temperature signals
The IS230TPROH2C interfaces with the PPRO I/O packs and distributes protection-related signals to the VPRO processors. It plays an important role in emergency overspeed protection, turbine synchronization, and shutdown protection.
It is designed for applications where independent turbine protection is required alongside the primary turbine control system.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS230TPROH2C |
| Functional Acronym | TPRO |
| Product Type | Emergency Protection Terminal Board |
| Product Series | Speedtronic Mark VI |
| Functional Revision | C |
| Associated Protection Module | PPRO / VPRO system |
| I/O Pack Configuration | 3 × PPRO I/O packs |
| DC-37 Connectors | 3 |
| Terminal Blocks | 2 main terminal blocks |
| Terminal Positions | 24 positions per main block |
| Voltage Transformers | 2 |
| Jumper Switches | JPA1 and JPB1 |
| Input Signals | Speed, generator voltage, bus voltage, temperature |
| Speed Signal Range | 2 Hz–20 kHz (supplier-listed) |
| Operating Temperature | -30°C to +65°C (supplier-listed) |
| Supply Voltage | 125 VDC (system-related supplier listing; verify connection requirements) |
| Mounting | Metal mounting frame |
| PCB Technology | Surface-mount |
| Manual Reference | GEH-6721 |
| Industry | Application |
|---|---|
| Power Generation | Gas turbine emergency protection |
| Power Plants | Steam turbine overspeed protection |
| Energy | Generator voltage monitoring |
| Oil and Gas | Turbine-driven compressor protection |
| Industrial Automation | Independent equipment shutdown |
| Power Engineering | Turbine-generator synchronization |
The GE IS230TPROH2C is an emergency turbine protection terminal board used in GE Speedtronic Mark VI protection systems.
TPRO refers to the turbine protection terminal board function within the GE emergency protection architecture.
The board is associated with three PPRO I/O packs that interface with the VPRO protection processors.
It provides interfaces for turbine speed, generator voltage, bus voltage, and temperature signals.
The VPRO system provides independent emergency turbine protection, including overspeed detection and emergency shutdown functions.
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