IS200TRELH1A Manufacturer General Electric Country

Part Number IS200TRELH1A Manufacturer General Electric Country of Manufacture As Per GE Manufacturing Policy Series Mark VI/VIe Function Module Availability In StockIS200TRELH1A is an emergency trip board developed by GE. 

It is a part of Mark VI control system. It operates in conjunction with the I/O controller within the protection module to execute specific functions vital for turbine safety. TREL serves as a crucial safety mechanism in large steam turbines, specifically dedicated to emergency overspeed protection through its interaction with the I/O controller and control of trip solenoids. Its specialized design in TMR form, devoid of certain features present in other relays like TREG, underscores its focus on emergency functionalities and safety protocols. Additionally, its expandability with multiple boards further emphasizes the importance of redundancy in critical turbine safety systems. CONTROL MECHANISM TREL is under the command of the I/O controller, responsible for administering power to three essential emergency trip solenoids. These solenoids are connectable between the TREL and TRPL terminal boards. TREL supplies the positive side of the 125 V dc to the solenoids, while TRPL provides the negative side. FEATURES AND CHARACTERISTICS TMR Configuration Exclusive: TREL is solely available in Triple Modular Redundancy (TMR) form, emphasizing redundancy and reliability in its operational setup. Absence of Economizing Relay: Unlike its counterpart, TREG, TREL lacks an economizing relay, perhaps to streamline its functionality towards emergency protection without additional economizing features. No E-STOP Function: In contrast to TREG, TREL does not incorporate an E-STOP function, potentially due to its specialized focus on emergency overspeed protection. Multiple TREL Boards: The I/O controller possesses the capability to drive a secondary TREL board, enhancing redundancy or extending control over additional components for heightened safety measures.TERM BD TRIP EMERGEN

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Related areas

China, mainly using coal. Hydropower is mainly distributed in the source area of south China, which is rich in hydropower. The distribution of nuclear power is not very typical.

Power transmission, including AC power transmission and DC power transmission: For example, the largest power transmission project in China is the West-to-East Power Transmission Project.

Substation; Power distribution; Electricity, electrical machinery and equipment manufacturing.

These are the application fields of our products.

Product features

-Excellent and reliable high-performance EPDM material ensures higher electrical performance; Precise molding of housing ensures superior control of electrical stress;

-Quick and simple installation. The pre-expansion pipe adopts split tubular plastic support pipe, which is convenient to extract and reduces the error of on-site installation time;

-It is suitable for covering the entire cable cross-section range from 50 to 400mm2.