| 1. | Valve opening chart at load rejection
甩负荷阀门开启阀 |
| 2. | Discussion about the overspeed problem of reheat turbo - generator set at load rejection
关于再热式汽轮发电机组甩负荷超速问题的讨论 |
| 3. | When electricity net goes wrong , the load of electricity net is goes down . turbine goes in load shedding condition
当电网发生故障时,电网负荷将下降,发生甩负荷状况。 |
| 4. | Turbine rotor raising character while load shedding is resulted in governor system and over - speed protection control system together
机组甩负荷后转子的飞升特性是由调节系统和opc共同作用的结果。 |
| 5. | At last , considering the running trait of hydraulic turbine in true power stations , combining the complex pipe line system , generating electri city , discharge flood all use of pan shi tou reservoir compute the unsteady transition process
最后考虑了实际电站水轮机组的运行特性，结合盘石头水库引水、发电、泄洪共用的复杂引水系统，进行了电站甩负荷引起的非恒定过渡过程计算。 |
| 6. | Abstract : this paper apply asme & quot; feed water pump npsh analysis during load rejection & quot; theory to check bfp npsh of zhuhai power plant 700mw units in the condition of vwo and also confirm the calculating result by load rejection test
文摘:利用asme的“甩负荷时给水泵汽蚀余量的分析”理论，校核了珠海电厂容量700mw机组在最恶劣工况即阀全开跳机工况时的给水泵汽蚀余量，并在甩负荷时，进行了试验验证。 |
| 7. | This approach is performed by releasing some loads required to maintain the rest system in safe operation in overload cases and opening all of the switches in the blackout areas in case of fault , and then closing proper switches to restore the unfaulted - blackout areas
本算法在系统发生过负荷情况下，能适当地选择甩负荷以确保系统的稳定运行；在故障情况下，先打开停电区域的所有开关，然后关闭合适的开关宋恢复非故障停电区。 |
| 8. | For the sake of the research about hydroelectric interfere among machines , the article utilized the simulink in matlab as simulating tool , meanwhile established the simulating model about two high head diversion water turbines regulation system in violent fluctuating pressure sharing one head race tunnel and surge tank and one penstock . then calculated the load rejection transition process by means of the real parameters of a hydro power station , analysed the interfere of hydro power station safety and stable nenring brought by hydroelectric interfere and put forward a series of measures that lightening the hydroelectric interfere
为了研究机组间的水力干扰，本文采用matlab下的simulink作为仿真工具，建立共用有压引水管道、调压井、压力主管的两台高水头引水式水轮机调节系统大波动时的仿真模型，引入实际电站的参数，对甩负荷过渡过程进行了仿真计算，分析水力干扰对电站安全、稳定运行所造成的影响，并提出了一系列减轻水力干扰的措施。 |
| 9. | This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients . then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation . through comparing dynamically , this paper analyses the impact on its dynamic performance if some governing system parameter changes
在研究小波动情形时,即系统在稳定工作工况点附近小瞬变时,可以把非线性系统进行线性化处理;本文建立了水轮机调节系统的线性化模型,推导了其中的传递系数;对水轮机调节系统的频率扰动和机组突甩负荷工况进行了仿真试验,整定了最佳调节参数;通过动态比较,分析了调节系统参数改变对其动态性能的影响。 |
| 10. | Abstract : according to the cause and the damage of the feed water pump cavitation resulting from the turbine ' s load rejection , this paper analyzes the condition about presenting cavitation by calculating the largest difference of the pump inlet ' s cavitation residue in the transient process of the deacrator and proposes the measures about presenting cavitation
文摘:根据汽机甩负荷造成给水泵汽蚀的原因及危害，从计算除氧器暂态过程中给水泵入口汽蚀余量的最大降落值入手，分析防止给水泵汽蚀的条件，提出预防措施。 |
