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PSCAD™ is a registered trademark of Manitoba Hydro International Ltd.
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潮流类型数据的转换
结合附加产品PRSIM,PSCAD可将PSS/E和DigSilent PowerFactory数据文件直接转换成PSCAD格式。转换后的PSCAD案例的运行条件与原始网络数据文件的设置(稳态潮流)兼容。PSCAD V5提供了名为NETEQ的完全网络等效计算功能。
EMT仿真不再关注小电网的分析,并行处理的出现使我们能够扩展到更大的电网分析。PSCAD v5包含很多新的功能,并通过嵌入式Python脚本语言接口实现完全自动化。通过对我们现有的大多数功能进行重构以提率,PSCAD v5将提升用户的整体体验。
DSDYN and DSOUT Subroutines
The DSDYN and DSOUT subroutines provide accessibility for control and monitoring of system variables on either side of the electric network. This offers a great advantage in programming flexibility, as it enables both the control of input variables and the monitoring of output variables, all within the same time step. This is an important concept, especially in the design of control systems involving feedback: Judicial selection of code placement can help avoid time delays that are uncharacteristic to the real system being modeled.
When it pertains to source code insertion into the system dynamics, there is no difference between DSDYN and DSOUT, besides their sequence in the solution process. However, there are specific uses for each, and certain code may be more optimally utilized when it is placed in one, rather than the other. For example, DSOUT is primarily used to define output variables directly following the electric network solution. Of course, DSDYN could be used for this purpose as well, but the same output variables would be delayed, due to the time step increment between DSOUT and DSDYN (see Figure 2-1). Likewise, variables controlling electric devices (i.e. network input variables) are best defined in DSDYN, as then updates will occur in the same time step before the network solution.
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