| The #8 unit in huizhou pumped storage power station is studied in this paper as an example,,the application of vibration on-line monitoring system analyses the units steady-state conditions,and to conduct the thorough research to the fault,the practical guiding significance to the operation and maintenance of the unit,finally,the application of on-line monitoring and fault diagnosis for vibration direction of the new exploration.This paper’s main work includes: particularity and importance of pumped storage power station,this paper introduces the present situation and developing trend of fault diagnosis system and fault diagnosis system is pumped storage industry application.Based on the vibration theory of pumped storage unit,the vibration source of pumped storage unit and the characteristics of main vibration fault are summarized.By analyzing the parameters of vibration monitoring of pumped storage units,the principle and location of the sensor are used.This paper introduces the software analysis function of the vibration on-line monitoring system adopted by huizhou pumped storage power station.The system can provide real-time picture monitoring and has many kinds of analysis methods.This paper introduces the basic parameters of huizhou pumped storage power station,the related specification of vibration pendulum,and the setting of vibration pendulum alarm and jumping value in the vibration on-line monitoring system.Finally,in the actual power operation,the vibration on-line monitoring system applied to real-time monitoring of the unit and the signal analysis,the unit power generation,pumping,phase modulation and steady state conditions were analyzed,and the vibration data from interference,analyzes the unit of fault diagnosis,guide the maintenance work,application of on-line monitoring system for vibration of huizhou pumped storage power station operation and maintenance work is of great significance... |