水力机组振动是影响水力机组稳定性的主要因素。
The vibration of water turbine is an important factor in stability.
最后，对我国水力机组振动特性的研究提出了一些建议。
Finally, some advice as to the vibration investigation for hydraulic-turbines set in our country was put forward.
振动是影响水力机组正常运行和危害机组寿命的主要故障。
Vibration is the main fault which affects the regular run and endangers the life-span of hydropower unit.
随着，水力机组容量的不断增加，机组对系统的稳定性影响也日益增强。
As the increasing capacity of the water power unit, the influence of the unit over system's stability gradually strengthens somehow.
本文介绍对水力机组动态特性进行建模时的数据获取方法及测试仪的软硬件结构。
This paper introduces the data capture method for model setting of dynamic characteristics of hydraulic power unit and the construction of tester software and hardware.
水力机组的轴向水推力研究对电站的稳定性、可靠性以及推力轴承的合理设计具有重要意义。
The research of the axial hydro-thrust for hydraulic turbine is very important to the running of hydropower plant and the design of thrust bearing.
介绍了水力机组的过渡过程种类，分析了抽水蓄能电站可逆式机组水泵工况下过渡过程的特性。
The characteristic of the transient process of reversible unit under water pump condition of in pumped-storage station was analyzed.
本文是在研制水力机组微机在线辨识系统的基础上，对某水电厂机组进行在线辨识试验的总结。
This paper is the summary report of field test of water turbine based on the developed microcomputer real time identification system.
水力机组振动复杂，信号呈现出非线性、非平稳性。因此，振动信号的预处理在水力机组振动监测中非常重要。
It is very important for the signal pretreatment of hydraulic power vibration monitor because the situation of vibration is complicated, and the signal appears non-linear and non-stable character.
天气会影响电力消耗量(夏天的空调和冬天的采暖)和发电量(比如风力发电机组、太阳能电站和水力发电机组)。
Weather dictates both how energy is consumed (air-conditioning in the summer, heating in the winter) and generated (such as wind farms, solar facilities, and hydropower).
BPA随后解释道，并不是说非要进行水力发电不可。因为只有额定的水量能流经涡轮机组，注入水坝中。
Not making electricity is not an option on the river, the BPA argues, because only a limited amount of water can be kept out of turbines and spilled over federal dams.
真机的部分稳定性试验表明，机组存在较宽的水力振动区；
The stability test on real turbine showed that the generating unit has a wide hydraulic vibration area.
采用低转速电机、良好的叶轮平衡及水力平衡轴向力使机组具有噪音低、震动小、运行平稳的特点。
Motor's speed is low, the balance of impeller is good, the axial force is balanced by water power, so the pump features light tremor, low noise and smooth operation.
研究机组之间存在水力联系的水电站中，两台机组采用扩大单元接线对系统低频振荡阻尼的影响。
According to two units with hydraulic coupling in hydropower plants, the effect of expanded unit connection to low frequency oscillations damping was studied in detail.
但由于机组转动惯量小，稳定性差，相应水轮机水力振动对其影响也较大。
But because of small rotating inertia of units and lack of stability, thus hydraulic vibration induces huge effect.
大同第一热电厂供热机组替代改造工程空冷凝汽器是国内首台大型直接空冷，对于节省水力资源具有十分重要的意义。
The transformed air-cooling condenser of the heating unit of the NO. one Thermal Power Plant of Datong is the first direct air cooling in China, and is very important in water saving.
针对一类水力发电机组设计了一套状态监测和故障诊断系统，并通过实例验证了系统的可行性和适用性。
A system for state inspection and fault diagnosis has been designed, and the system feasibility and practicability have been validated by example.
水力机械的磨蚀是我国多泥沙河流上运行的机组长期以来面临的疑难问题。
Abrasion of hydraulic machinery is a knotty problem faced by hydraulic machinery operated in silt laden river in our country.
振动信号的预处理，对于水力发电机组振动故障诊断系统而言是至关重要的。
Vibration signal pretreatment is much important to the vibrant fault diagnosiss ystem of waterpower set.
介绍了珊溪水力发电厂首台机组大修的过程及其管理。
Introduces the heavy repair process and its management of the first generator unit in Shanxi Hydroelectric Generating Station.
水力发电机组是一个非线性、时变系统，常规pid控制不能达到理想的控制效果。
Hydropower generating units are a non-linear and time-varying system. Conventional PID control can't reach the ideal control results.
作为压水堆核电机组中的水力能动设备，泵类产品的可靠性对整个核电站的安全起着及其关键的作用。
As a dynamic equipment in the PWR units, the reliability of the pumps is key to the security of whole nuclear power station.
水轮机中的减压管对于水力发电机组稳定性的影响，已经引起了研究人员和运行人员的普遍关注。
The vibration of the hydropower unit caused by the relief pipes of the turbine has attracted scholars and station staffs attention.
灯泡贯流式机组具有适用水头低、流量大以及效率高等特点，广泛用于开发低水头水力资源。
Low applicable head, high flow and high efficiency characterize bulb type tubular turbine unit. These kinds of units are widely used for the development of low-head water resources.
混流式水轮机的水力稳定性与机组运行工况密切相关。
The hydraulic stability of Francis turbines is closely related to the operating conditions.
在开发的水力发电机组状态监测系统中采用了三层数据库结构。
The 3-layer database storing structure is used in the new hydroelectric generator vibration and swing state monitoring system.
在开发的水力发电机组状态监测系统中采用了三层数据库结构。
The 3-layer database storing structure is used in the new hydroelectric generator vibration and swing state monitoring system.
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