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IS215VPROH2B GE Module Parts VPRO Emergency Turbine Protection Board
The GE IS215VPROH2B is an Emergency Turbine Protection Board (VPRO) designed for the GE SPEEDTRONIC Mark VI turbine control system. It provides independent emergency overspeed protection and emergency shutdown functions to protect gas turbines and other critical rotating equipment.
The VPRO board works together with the associated TPRO and TREG terminal boards to form an independent turbine protection system. Three VPRO boards can operate in a Triple Modular Redundant (TMR) configuration, improving system reliability and fault tolerance.
The IS215VPROH2B monitors turbine speed, analog signals, and thermocouple inputs. When abnormal operating conditions occur, it can initiate protective actions through the TREG relays and connected turbine trip solenoids.
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS215VPROH2B |
| Product Type | Emergency Turbine Protection Board |
| Board Designation | VPRO |
| Product Series | SPEEDTRONIC Mark VI |
| Functional Revision | B |
| Main Function | Emergency turbine protection |
| Protection Architecture | Triple Modular Redundancy (TMR) |
| Power Supply Input | 125 VDC |
| Internal Power Outputs | 5 VDC and 28 VDC |
| Analog Current Inputs | 3 |
| Thermocouple Inputs | 9 |
| Relay Control | 12 relays on TREG |
| Trip Solenoid Control | Up to 3 trip solenoids |
| Communication Interface | Ethernet / IONet |
| Associated Terminal Boards | TPRO, TREG, TRPG |
| Protection Functions | Emergency overspeed, emergency stop, backup synchronization check |
| Mounting Type | VME protection module |
| Cooling | Cabinet-dependent |
| Operating Temperature | Verify against applicable GE manual and installation conditions |
Monitors turbine speed signals and initiates emergency shutdown when overspeed conditions exceed configured protection limits.
Provides emergency-stop functionality to shut down the turbine when critical operating conditions are detected.
Receives signals from magnetic speed pickups and processes speed information for independent turbine protection.
Monitors nine thermocouple inputs, which can be used for turbine exhaust temperature protection.
Processes three analog current inputs for additional turbine protection and monitoring functions.
Controls the 12 relays on the TREG terminal board. Nine relays are arranged into three voting groups to control three turbine trip solenoids.
Provides backup synchronization-check protection to help prevent unsafe turbine-generator synchronization.
Q1: What is the GE IS215VPROH2B?
The IS215VPROH2B is a VPRO Emergency Turbine Protection Board used in GE SPEEDTRONIC Mark VI turbine control systems.
Q2: What is the main function of the IS215VPROH2B?
Its primary function is to provide independent emergency overspeed protection and emergency-stop functions for industrial turbines.
Q3: What power supply does the IS215VPROH2B require?
The board uses a 125 VDC cabinet power supply and generates internal 5 VDC and 28 VDC supplies.
Q4: Which terminal boards are compatible with the IS215VPROH2B?
It works with associated TPRO and TREG terminal boards and the related turbine trip circuitry.
Q5: Does the IS215VPROH2B support TMR architecture?
Yes. Three VPRO boards can operate in a Triple Modular Redundant configuration to improve protection reliability.
VPRO Turbine Protection Board
,GE IS215VPROH2B Module Parts
,Emergency Turbine Protection Board
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