IS200VGENH1B

Product Description

The IS200VGENH1B is a GE component made for the Mark VI system.  The MKVI is a management system for gas and steam turbines released by General Electric under the ‘Speedtronic’ line.  This line of management programs began with the release of the MKI in the 1960s and ended with the MKVIe. The MKVI has an operator interface made from a PC that runs on a Windows platform.  This operator interface is preloaded with software that is designed for use with turbine hardware, such as CIMPLICITY graphics. The Operator Interface allows users access to system data from a single location.

Hardware Tips and Specifications

The IS200VGENH1B card acts as an interface for three-phase PT and CT monitoring.  On reheat steam turbines, the IS200VGENH1B may also function as a specialized control board.  The board has a front faceplate with a few components inserted into its surface. The board connects to the PCB using screw connections. The front faceplate is marked with the board number and the GE logo.

The IS200VGENH1B has multiple connectors, including two backplane connectors and connectors made of parallel conductive trace dots. This board is built with integrated circuits, including oscillating chips, field programmable gate arrays (XILINX XCS30) and programmable logic devices (XILINX XC95216.)  The board has many capacitors, diodes, and resistors of various size and type. The surface of the IS200VGENH1B is marked with the manufacturer’s logo and with the code “6BA01.”

In terms of functionality, the IS200VGENH1B card offers dual capabilities. One role that the VGEN card plays is the role of an interface for 3 phase PTs and 1 phase Cts. Outside of this functionality, the Mark VI VGEN card is considered a capable option for specialized control of large reheat steam turbines. This card would handle both Power-Load Unbalance and Early-Valve Actuation processes for these aforementioned steam turbines. The only instance in which the VGEN card's PT and CT data communication is challenged is when an EX2000 Generator Excitation System is installed in the drive assembly.

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