1) order-changing calculation
换序计算
2) Program calculation
程序计算
3) calculating program
计算程序
1.
Considering influence of gravity,flexural equation and curve is achieved by integration,and calculating program is obtained based on MATLAB 7.
0平台上编写了印刷滚筒挠曲变形计算程序,为滚筒结构的合理设计提供了依据。
2.
Combined with practical project,it introduces the application of CASLO/fx-4500 calculator program language coordinate in actual project,and discusses its calculating formula as well as the calculating program.
结合工程实践,介绍了CASLO/fx-4500计算器程序语言编写路线坐标计算在实际施工中的应用,对其计算公式及计算程序做了探讨,指出该坐标计算程序具有操作简便、计算速度快等特点,同时满足一般工程施工放样的坐标计算要求。
3.
In addition, presents the principle,method and steps for the strength calculation of the header with nonequal diameter opening row by the calculating program for the header with equal diameter opening row.
对引进的CE公司集箱强度计算程序进行了改进,论述了用现行的等径孔桥集箱强度计算程序计算不等径孔桥的原理、方法和步骤。
4) calculation program
计算程序
1.
The calculation program design of the overstep equation set for obtaining the suspended chain curve;
求解悬链曲线超越方程组的计算程序设计
2.
Application of GPS and total-station instrument with calculation program in the highway and bridge engineering;
GPS及计算程序配合全站仪在路桥工程中的应用
3.
The calculation program for the seismic detector constant in short period record recorded with pen;
短周期笔绘记录地震仪常数计算程序
5) computing program
计算程序
1.
Based on the physical sense of multifractal spectrum and through picture analysis and processing technology for structural topography , the computing program of the multifractal spectrum is designed in Delphi langu age.
基于多重分形谱的物理意义 ,通过图像分析与处理技术 ,利用 Delphi语言设计了图像结构的多重分形谱的计算程序。
2.
A computing program for M value is developed on the basis of MATLAB, and an application example is presented.
介绍了倒锥齿量球测量法中跨球距M值的计算原理及公式 ,基于MATLAB开发了M值计算程序 ,并给出了应用实
3.
Makes out the common formula for all of the integral roots of the equation and writes out the computing program to get positive integral roots.
设p≡5(mod6)为素数,证明了丢番图方程x3?y6=pz2在p≡5(mod12)时均无整数解,在p≡11(mod12)时均有无穷多组整数解,获得了方程全部正整数解的通解公式,编写了计算正整数解的计算程序。
6) program
[英]['prəʊɡræm] [美]['progræm]
计算程序
1.
The Development of the Analytical Method Computation Program for All Terrain Crane Jib;
全地面起重机副臂解析法计算程序的开发
2.
Based on our previous work about the static design algorithm for the multi-component and multi-outlet rare earth countercurrent extraction, the computational program under 32-bit Windows operation system was composed and verified by the dynamic simulation for different rare earth separation systems with satisfactory results.
基于多组分多出口稀土串级萃取优化参数的静态设计算法,设计了相应的计算程序,采用该程序针对某稀土分离实例进行了静态参数计算,并对最优化工艺参数进行了动态仿真验证。
3.
The superiority of the international standard for properties of water and steam IAPWS-IF97 as compared to IFC-67 and the program designed based on this standard are introduced.
介绍了水和水蒸汽热力性质国际工业标准IAPWS-IF97和它相对于原有工业标准IFC-67的优越性,以及基于该标准编制的水和水蒸汽热力性质计算程序。
补充资料:电容换相换流器
电容换相换流器
capacitor commutated converters, CCC
d一onrong huonx一ong huonlluq{电容换相换流器(eapacitor。ommutatedeonverters,CCC)在常规换流器的交流侧申人电容器构成换相电路的换流器。电容器一般申接在换流桥和换流变压器之间(如图1所示)。电容换相换流器可以减少换流器的无功消耗,且无功消耗基本不随直流输送有功的变化而变化,减少了换流站无功补偿设备和相应的投切开关;可以显著提高交直流系统运行的稳定性,增加抗扰动能力,减少换相失败的机率,对于连接弱交流系统其作用更加明显,还可以抑制换流阀的短路电流。由于电容参加换相,使阀尖峰电压和谐波有所增加。┌──┬──┐│5 12│凡32│├──┤ ││ │ │├──┼──┤│542 │562 │└──┴──┘ 图1电容换相换流器原理图 无功平衡在常规换流器中,换流器消耗的无功随直流输送有功的变化而变化。当直流输送额定功率时,换流器无功的消耗近似于输送有功的一半。这需要安装相应的无功补偿设备并通过不断投切无功补偿分组来保持换流母线的电压水平以及与交流系统的无功交换量,见图2(a)。无功补偿装置投切时,对交流系统产生扰动;当直流系统因故障停运时,会在换流站交流母线上产生较高的暂时过电压。 口‘p、呈之!一丝塑生乙限流器不平衡t ()叨川,) 瓜、亏:乍 ()图2人犯《P .uj滤波器为印.u》常规换流器和电容换相换流器的无功消耗(a)常规换流界,(b)电容换相换流器采用电容换相换流器后,换流站无功补偿容t可降至小于输送有功功率的15%,并且当直流抽送功率发生变化时,换流器消耗的无功变化缓慢,不偏要安装随有功变化而投切的无功补偿装皿,见图2(b).通过适当选择申联电容的容量,可以使所需的无功由几组高性能、低容量的交流滤波器来补偿,如采用连续可调交流滤波器(见换流站连续可调交流滤波装里). 动态德定性能电容换相换流器可以明显改善直流输电的动态稳定性能.电容器的申人直接影响了换相电压,使逆变侧的定关断角运行特性成为正斜率直线。而常规换流器的运行特性为负斜率直线,它和整流侧最小口角特性的交点不是一个稳定运行点(见直流堵电系统运行特性)。而电容换相换流器不存在不稳定工作点,特别是当逆变侧为弱交流系统时,其稳定性显著优于常规换流器。 在电容换相换流器中,除了交流母线电压以外,电容器提供了一个附加的换相电压。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条