Therefore, it is significant to take effective measures for the purpose of limiting short-circuit current to a reasonable and low level.
因此,采取有效的短路限流措施将短路电流限制到合理、较低的水平具有重要意义。
Experimental results showed that the fault current limiter was effective in curbing the short-circuit current peak and RMS, and it also performed well on inhibiting the bus voltage drop.
试验结果表明,限流器可以有效限制短路电流的峰值和有效值,对于母线电压跌落也有较好的抑制效果。
Analyses the phenomena of current-limiting fuse under breaking short-circuit current.
分析了限流熔断器在开断短路电流过程中的物理现象。
Therefore, it is advisable to take the following method for grid three-phase short-circuit current calculation.
为此,建议采取以下的方法进行电网三相短路电流计算。
Firstly, the calculation of short-circuit current had been worked out in both the maximum and the minimum operation.
首先,分别在最大运行方式下和最小运行方式下进行短路电流计算;
Curriculum design of power system short-circuit current calculation, the power of professional people who are very helpful.
电力系统课程设计之短路电流的计算,对电力专业的人有很大帮助。
Interrupter circuit breaker has a strong ability to both cut off the load current, but also cut off the short-circuit current.
断路器具有很强的灭弧能力,既能切断负荷电流,也能切断短路电流。
According to the analytical conclusion on the short-circuit current level of the East China Power Grid, the design of parameters...
根据华东电网短路电流水平的分析结论,对串联电抗器参数设计和安装地点进行了初步分析。
The various factors influencing the short-circuit current level of city grids and causes! of the short-circuit current increase are analyzed.
分析了影响城市电网短路水平的各种因素和导致短路电流水平增长的原因。
By this algorithm, the ac harmonic components of short-circuit current can be filtered, and the accurate DC current rate of change can be obtained.
该算法可以滤去短路电流中的交流谐波分量,得到直流电流变化率的准确结果。
The basic theory of calculation of short-circuit current capacity has been described in related OPGW standards. But the real calculation methods are seldom reported.
短路电流容量计算的基本原理尽管在OPGW相关的标准中有过叙述,但很少有实际计算方法上的报道。
Short-circuit fault model simulation results show that the locomotive starting current is similar to the remote short-circuit current will affect the DC line protection.
短路故障模型的仿真结果表明机车起动电流和远端短路电流的相似会对直流馈线保护造成影响。
Based on the study of the traditional model and mathematical calculation, the paper proposes a planning model that considering limiting the power system short-circuit current.
本文研究了传统电网规划数学模型及求解方法,并在此基础上提出了一种考虑限制系统短路电流水平的数学规划模型。
Some issues, such as anti-island protection and short-circuit current, are explained. The solution of anti-island protection applying active and passive detections is submitted.
对需要注意的一些事项,如防孤岛保护、短路电流等进行了说明,提出用主动检测法和被动检测法进行防孤岛保护的实施方案。
Explicit formulas for the constraint admittance matrix and the nodal short-circuit current source vector of networks containing ideal voltage sources are derived by nodal approach.
本文用节点法分析了含理想电压源的网络,从网络的不含源导纳矩阵获得了含源网络的约束导纳矩阵以及节点短路电流源向量的公式。
Considering a persistent increase of the short-circuit current level in Shanghai power grid, several measures and methods for restraining the fault short-circuit current are discussed.
针对上海电网中持续增长的短路电流水平,讨论了几种限制故障短路电流的措施和方法。
This paper expatiates on the concept of earth short-circuit current, discussing and computing the shunt coefficient of overhead ground wires, cable lines and hybrid overhead cable lines.
为此,阐述了入地电流的概念,对输电线路架空避雷线、电缆线路及架空电缆混合供电线路的分流系数进行了探讨和计算。
It is an effective approach to ensure the non-exceeding of the breaking capacity of line breaker by adopting fault current limiter to restrain short-circuit current when the grid is in fault.
采用故障电流限制器来抑制电网故障时的短路电流是保证断路器遮断容量不致超限的有效方法。
Meanwhile, combining the actual running situation of the power network of Zhejiang province, the validity of various projects restricting the short-circuit current was analyzed by this system.
同时,结合浙江电网的实际运行情况,利用该系统分析各种限制短路电流方案的有效性。
Under low concentrated Sunlight (about 2.73 Suns), its short-Circuit current gain ranges from 2.5 to 2.71. The solar cell which operates at lower concentrated Sunlight has not been reported.
在聚光2.73倍时,电池短路电流增益为2.5 ~ 2.71倍。在低倍聚光下工作的太阳电池的研制,国内尚未见报道。
The short circuit current calculation is required for choosing equipment and current carrying conductor, setting of the rely and automation, confirmation of the short circuit current limiting method.
电气设备和载流导体的选择、继电保护、自动装置的整定、限制短路电流措施的确定都需进行短路电流的计算。
By analysis and calculation for short circuit current of low voltage motor, kinds and protection methods of short circuit of the low voltage are explained.
通过对低压电动机短路电流分析和计算,说明低压电动机短路的种类和保护方法。
Measures to increase the open circuit voltage, the fill factor and short circuit current density are discussed both theoretically and technologically for an efficient silicon solar cell.
本文从理论上和工艺上论述了高效率硅太阳电池的研制情况,分析了如何提高硅太阳电池的开路电压、填充因子及短路电流密度的措施。
Finally, the results of the two methods and the curves obtained in simulation are given. This paper may be helpful to study short circuit current of more complicated loop power supply networks.
最终给出了两种方法得出的计算结果及仿真曲线,为研究更复杂的环形及网型网络短路电流打下了基础。
It describes a parallel analysis technique of short circuit current calculation for large scale united power syStem.
描述了一种大规模联合电力系统短路电流计算的并行处理技术。
With a view to reducing the short circuit current level of large capacity transmission systems, an in-series resonant type FCL based on saturated inductor is presented.
为降低大容量输电系统的短路电流水平,提出一种基于饱和电抗器的串联谐振式故障限流器。
The value of this resistor is chosen such that, in the event of device failure, the short circuit current will not exceed the maximum current specification of the relays on either set of switch cards.
该电阻器的阻值要保证被测装置发生故障时的短路电流不会超过开关卡上任一组继电器的最大电流指标。
This article introduces short circuit current test and the results of optical fiber composite ground wire (OPGW).
文章介绍了光纤复合架空地线短路电流试验及试验结果的分析。
This article introduces short circuit current test and the results of optical fiber composite ground wire (OPGW).
文章介绍了光纤复合架空地线短路电流试验及试验结果的分析。
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