他们必须平衡发电量和耗电量，或承担电网稳定性方面的风险。
They have to balance the amount of generation and consumption or they risk the grid's stability.
鲁棒非线性协调控制方法是提高和改善以多机系统为背景的现代电网稳定性最有效、最经济的手段之一。
The robust nonlinear coordinated control is considered to be one of the best ways both in cost and efficacy to enhance and improve the multi-machine system stability.
研究团队同时还在考量将他们的算法应用到电网上从而能够更好地输送环保型但稳定性欠佳电力能源。
The group will also look at applying their algorithms to electricity grids, to make them work better with environmentally friendly but unreliable sources of power.
而智能电网则利用数字技术，能够收集、传导数据，并作出反应，这提高了系统的效率和稳定性。
A smart grid would use digital technology to collect, communicate and react to data, making the system more efficient and reliable.
由于重型工业企业及大型用电设备的不断增多，对电网形成了越来越强烈的冲击负荷，严重影响电力系统的稳定性。
Because of development of heavy industry and increase of large power equipment. more intensive percussive load is formed in power network and influences stability of power system seriously.
结果表明，现阶段采用SVC提供江苏电网扰动时负荷的动态无功支持，提高电压稳定性是一项可行的措施。
The result indicates that it is really feasible to adopt SVC to supply load dynamic reactive power to Jiangsu power grid for increasing voltage stability.
提出了一种考虑系统暂态稳定性的电网规划方法。
This paper presents a novel transmission network expansion planning method considering transient stability.
这些装置对改善电能质量，提高电网的稳定性和系统的暂态特性有着积极的作用。
These devices have active functions to improve power quality, enhance stability of power network and transient characteristic of power system.
电流可以被精确地控制，而该技术还避免了扩伸造成的干扰，对欧洲电网的稳定性作出了巨大的贡献。
Power flow can be exactly controlled and the technology also prevents disturbances from spreading, making a significant contribution to the stability of the European grid.
交流采样测量装置作为电网电测量参数的在线测量仪器，具有较好的准确度和稳定性。
Ac sampling measurement unit has better accuracy and stability as the online measuring instrument of the electrical parameters of power network.
因此，在这样的背景下，研究北京电网的电压稳定性有十分重要的意义。
So, the study on the Beijing network voltage stability means a lot in this case.
随着电力系统规模不断扩大，整个电力系统变得越来越复杂，机组和电网的安全运行及稳定性问题变得越加重要。
With the scale of power system larger and larger, the whole power system gets more and more complicated, and operation safety and stability of machines and grid become very important.
在总体评估特高压同步电网安全稳定性的基础上，探讨进一步利用新技术提高系统安全稳定水平的可能性及效果。
Based on security and stability evaluation of UHV power grid, the possibility and purpose of the measures are discussed to increase the system security level.
国内外一系列大停电事故大多数都与电网结构不合理而导致偶发事故下系统的稳定性遭到破坏有关。
A series of power system blackouts all over the world are mostly related to the reasonlessnetwork structure, for the power system's stability is destroyed by casual faults.
其次，通过对发生单重和多重故障时的暂态稳定计算，研究了作为多回直流受端系统的广东电网在发生直流双极闭锁故障时的运行稳定性问题。
Second, by means of the transient stability calculation for single and multiple faults, the stability of Guangdong power grid as a multiinfeed AC/DC power system is studied.
大型高起始励磁系统发电机组的电压响应时间对电网的暂态稳定性至关重要。
The reaction time for large thermal generator with high initial response excitation system is very important to the transient stability of the electric grid.
另外大电网也可使系统的稳定性增强。
Also large electric network is able to enhance the stability of power system.
电网的电压控制和无功优化是提高电压合格率，降低网损，提高系统稳定性的有效手段。
Voltage control and reactive power optimization are effective means to increase rate of qualified voltage, reduce grid losses, and improve the system stability.
合理的无功补偿点的确定以及补偿容量的确定，能够有效的维持系统的电压水平，提高系统的电压稳定性，从而降低电网的网损率。
Ensure Reasonable reactive power compensatory point and capacity, it can be maintained systemic voltage level and improved systemic voltage stability, consequently decrease loss of system.
区分瞬时性和永久性故障为目的的自适应重合闸，能减少故障对电能的损失，增强电网的稳定性。
The self-adaptive reclosure, which is aimed to distinguish the transient fault and the permanent fault, can reduce the power loss caused by faults and enhance the stability of power system.
通过在另一省级电网的运行测试，显示了较好的实用性和稳定性。
Through testing in another provincial power grid, it reveals better practicability and stability.
交流联网可能会带来互联电网的动态稳定性问题。
The dynamic stability of the interconnection grids would be affected by AC interconnection.
大型超临界机组自身的安全性，直接影响到各大电网的安全性和稳定性，甩负荷试验是确保机组安全的一个重要手段。
The safety and stability of the major power grid are directly effected by the security of large supercritical unit. Load rejection is an important method to ensure the unit safe.
变压器是电力系统的重要设备，其工作状态直接影响电网的稳定性。
Transformer is one of the important equipment in electric power system, its operation status directly affects the stability of power grid.
由于风速具有随机波动性，因此风力发电并网功率波动很大，这对电网运行的稳定性及经济性带来负面影响。
The intermittent and random fluctuation of wind speed result that wind power grid-connected power fluctuates largely, which has a negative influence to stability and economy of power grid operation.
信上要求机组需要用来维持电网的稳定性，E。ON需要刻不容缓地重新做好燃煤电厂的运行准备。
The unit, the letter read, was needed to maintain grid stability, and E. on was to reestablish the coal plant's operational readiness without delay.
本文在对云南电网进行动态稳定性分析的基础上，综合应用相位补偿法和根轨迹法对鲁布革电厂PSS参数进行了整定。
Based on the dynamic stability analysis the phase compensation method and the root locus method are used in the parameter setting of PSS in Lubuge power station.
但是由于风能具有随机性、间歇性以及季节性的特点，这就使得风力发电的出力不平稳，严重削弱了电网的安全性和稳定性。
However, the wind's randomicity, intermittence and seasons lead to the output of wind power not smoothly, so that the stability and security of the electric power system will be reduced.
介绍了通过特征值法研究华东电网的稳定性问题，并找出弱母线，给出合理的无功补偿方案。
Studying the voltage stability in East China Power Grid with the method of characteristic value, the problem buses can be found out, and the rational reactive compensation plan is given.
介绍了通过特征值法研究华东电网的稳定性问题，并找出弱母线，给出合理的无功补偿方案。
Studying the voltage stability in East China Power Grid with the method of characteristic value, the problem buses can be found out, and the rational reactive compensation plan is given.
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