A novel transient stability program for interconnected AC/ DC systems is introduced in this paper. 本文介绍了一个新的交直流互联系统暂态稳定程序。
With the alternate iterative method, the dynamic phasor model can be interfaced with the transient stability program easily. 通过交替迭代法实现了动态相量模型和暂态稳定程序的接口,并且在进行交替迭代时,两种模型可以选用不同的仿真步长。
The theoretical analysis and EMTP ( ElectroMagnetic Transient Program) simulations show that, the precision of the traveling wave fault locating can be improved without down-sampling by two. 理论分析和EMTP结果表明,无二抽取环节的小波变换行波测距算法能够有效提高测距精度。
The ferroresonance, which results from the electromagnetic potential transformer in a 10 kV distribution system, is simulated and studied by the Electro-Magnetic Transient Program ( EMTP). 用EMTP仿真计算了10kV中性点不接地系统电磁式TV饱和引起的铁磁谐振。
A transient simulation program is programmed on MATLAB platform and the typical 3-machine-10-bus system simulated by this program. 在Matlab平台上编制了暂态仿真程序,对典型3机10母线系统进行了仿真计算。
Further investigation of the real-time interaction and data exchange between the electromechanical stability program and the electromagnetic transient program is explored, and a real-time digital hybrid interface which utilizes the voltage prediction techniques to correct the one electromechanical time step delay in the real-time interaction has been developed. 提出了先进的集成混合实时仿真系统和实时数字混合接口的原理、数据交互方式和电压预测技术,对经济有效地扩大实时测试系统的规模具有重要意义。
Application of Electromagnetic Transient Program in the Power System 电磁暂态程序EMTP在电力系统的应用
This paper uses electromagnetic transient calculation program ATP to test the influence of lightning incoming surge along transmission line on stand-by circuit breaker and disconnecting switch. As a result, arresters should be installed to protect stand-by circuit breaker and disconnecting switch. 介绍了利用ATP电磁暂态仿真计算程序分析验证线路雷击侵入波对备用状态下的线路断路器及隔离开关的影响,提出了处于这种状况下的隔离开关和断路器必须加装避雷器保护的观点。
Electromagnetic Transient Program ( EMTP) is used to simulate this kind of over voltages and precaution. 最后,应用电磁暂态计算程序(EMTP)对上述过电压过程和保护效果进行了仿真。
Results from theory analysis and simulation by Electro magnetic Transient Program ( EMTP) show that fault location precision of this method can completely satisfy practical requirements. 大量的电势暂态程度(EMTP)仿真测试表明:该方法的故障测距精度高、综合性能好、适应性强。
Design and realization of on-line transient stability computation program 在线暂态稳定计算程序的设计与实现
Finally the effectiveness of numerical calculation method based on MATLAB model is successfully validated by transient network analyzer ( TNA). The approach is also verified by the transient network analyzer ( TNA) test and the calculation of electro magnetic transient program ( EMTP). 最后用模拟方法验证了基于Matlab仿真模型的数值计算方法的有效性。暂态网络分析仪(TNA)实验和利用电磁暂态程序EMTP进行的仿真计算证明了上述论点。
In this thesis we use Electromagnetic Transient Program ( EMTP) to simulate and study those two kinds of overvoltage; 本文利用电磁暂态计算程序(EMTP)对上述两种过电压进行了模拟计算研究;
In this paper, a systemic simulation using Electro-magnetic Transient Program ( EMTP) is presented. It is a simulation about electromagnetic transient caused by saturated electromagnetic voltage transformers in 10 kV isolated neutral system. 本文利用EMTP程序,对10kV系统电压互感器饱和引起的电磁暂态过程进行了系统的仿真。
The Electromagnetic Transient Program ( EMTP) simulations show that the proposed approach is correct and effective. It can be used as an additional criterion to improve the anti-interference performance of transient based protection. 大量的EMTP仿真计算结果表明,所提出的判据是正确、有效的,能作为附加判据用以提高基于暂态量保护的抗干扰能力。
Plenty of digital simulation calculations and simulation calculations using EMTP electromagnetic transient program indicate that the true fault location can be determined by the modified algorithm. 大量数字仿真及EMTP仿真计算表明修正算法可取得唯一区内真根。
Based on the synchronized phasor measurements of network disturbance, dynamic models of transient stability analysis program have been verified. 根据同步相量实测系统故障后的动态轨迹对暂态仿真模型的正确性进行检验。
Visual Design Idea and Realization in Hydropower Transient Flow Program 水电站过渡过程程序可视化设计的思路及实现
Based on the multi-loop theory and the extended Parks transformation method given in this paper, a new induction motor model considering squirrel cage rotor real structure is presented and the model is implemented in electromagnetic transient program ( EMTP). 根据交流电机多回路理论,通过把传统的Park变换方法推广到面向转子侧的多相系统,提出了考虑笼型转子实际结构的感应电动机模型,并基于EMTP环境实现了该模型。
The author validates its effectiveness by using simulation program EMTP ( Electromagnetic Transient Program), and the results show that this way can resolve some practical problems. 同时还通过EMTP仿真程序,对这一方法进行了有效的验证,结果表明该方法确实能解决一些实际问题。
Simulation calculation and analysis in power system is the main function of electromagnetism transient program ( EMTP). 电磁暂态程序(EMTP)的基本功能是进行电力系统仿真计算。
The fault transient characteristics are verified by simulation results using ATP ( alternative transient program). 用电磁暂态仿真程序(ATP)对故障暂态特征进行了验证。
The theoretical analysis and results of the electrical magnetic transient program ( EMTP) simulation show that the model and algorithm of the WNN fault detection are effective and superior to those of conventional ANN fault detection in its quick convergence and good generality. 理论分析和基于EMTP仿真测试结果表明,该小波神经网络故障检测模型和算法是有效的,与传统的人工神经网络相比,具有收敛速度快,鲁棒性强的特点。
The research about coding principle in transient process program oriented graphics system 面向图形系统的水电站过渡过程程序编码问题的研究
On the other hand, transient stability program ( TSP) can efficiently simulate the performance of an extensive interconnected power system including HVDC and FACTS devices based on the single-phase quasi-steady state representations. 另一方面,暂态稳定程序(TSP)使用HVDC和FACTS的准稳态模型仿真其对系统稳定性的影响。
The improved transient sealing analysis program for reactor pressure vessel is applied to analyze the 1/ 4 structure of the model under the cool and the thermal work conditions. 应用改进后的反应堆压力容器瞬态密封分析程序对压力容器模拟体1/4模型进行了冷态和热态密封分析。
The proposed LBP load model is incorporated in a transient stability program to show that the computational time is significantly reduced. LBP负荷模型可以接入到暂态程序中,从而大大减少计算时间。
Electromechanical transient program and electromagnetic transient program have long been used respectively to simulate special phenomenon of power systems. However they have difficulties in analyzing some new problems. 单一的机电暂态或者电磁暂态程序只能对电力系统中特定的现象进行仿真分析,对新出现的一些问题经常难以描绘。
Electromechanical transient simulation program and electromagnetic transient simulation program are two main kinds of tools to study the influence between AC and DC power system. 研究交、直流系统相互影响的软件主要有两类:机电暂态仿真软件(如PSASP)和电磁暂态仿真软件(如PSCAD)。