概述
GEC-6800 Excitation Control System adopts multiprocessor architecture and integrates the series of leading technologies, such as digital signal processing chip (DSP) technology, field programmable gate array chip (FPGA) technology, intelligent feedback current sharing technology, optical fiber communication technology, optical fiber isolation pulse triggering technology and so on. GEC-6800 excitation control system has compact hardware design structure, strong anti-interference ability and fast response speed.
适用范围
GEC-6800 Excitation Control System is mainly suitable for generator excitation systems with the capacity of 100MW and above, such as self-parallel excitation system of the large and medium turbo-generators, static rectifier excitation system for large and medium hydro-generators.
特点
①Hierarchical architecture is adopted to meet the requirements of users on control performance, graphical interface, communication and other aspects of excitation products.
②AVR is the core of excitation control system, and its performance and reliability directly affect the safe and stable operation of the whole system.
③The full-wave Fourier transform AC sampling technology can effectively filter out the constant DC component and the whole harmonic component, and significantly improve the calculation accuracy.
④The new TBC enhances the overall protection of the rectifier cabinet and makes the rectifier cabinet intelligent to improve the reliability of the excitation control system.
⑤It adopts optical fiber communication between control layer and executive layer devices to ensure the integrity of communication transmission and the real-time performance of excitation control.
⑥It adopts optical fiber isolation pulse trigger technology.
