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首页> 外文期刊>IEEE Transactions on Energy Conversion >A new real-time digital simulator of the turbine-alternator-grid system (STAR) for control apparatus closed-loop tests
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A new real-time digital simulator of the turbine-alternator-grid system (STAR) for control apparatus closed-loop tests

机译：涡轮-发电机-电网系统（STAR）的新型实时数字仿真器，用于控制设备闭环测试

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A new generation of real-time digital simulator of the turbine-alternator-grid system (STAR) has been developed by ENEL-R and D-CRA in order to meet the demands of design review, commissioning test, preliminary assessment and final fine-tuning of excitation systems and voltage regulators, as well as of turbine actuators and speed governors. In particular, the electromechanical behavior of the overall turbine-alternator system, with respect to the electrical interconnected grid, may be theoretically studied, by using dynamic simulation models perfected with suitable details. The control systems performances can also be easily checked and fine-tuned, in presence of small and large perturbations, both in normal and in emergency operating conditions. The simulator STAR, which has been successfully used also for the specialists training, can be effectively considered as a real turbine-alternator system. In fact its inputs may be directly connected to the interfaces of the excitation system and turbine governor; moreover, the simulator provides in output the process variables with the suitable format requested by the different control apparatuses. The paper describes the main design topics of the STAR simulator, as mainly regards its hardware and software architecture and the model framework of the turbine (steam, hydro or gas), alternator (with static and rotating exciter) and grid interconnection. The structure of the excitation control system and turbine speed governor, as well as the parameters configuration, run-time simulation, and data visualization procedures are shortly described. Finally, the STAR performances are shown through significant transient responses.
机译：ENEL-R和D-CRA开发了新一代的涡轮发电机-电网系统（STAR）实时数字仿真器，以满足设计评审，调试测试，初步评估和最终罚款的要求。调整励磁系统和调压器，以及涡轮执行器和调速器。特别地，可以通过使用具有适当细节的完善的动态仿真模型来理论地研究整个涡轮发电机系统相对于电互连电网的机电行为。在正常和紧急操作条件下，在存在大小不一的扰动的情况下，也可以轻松地检查和微调控制系统的性能。模拟器STAR已成功用于专家培训，可以有效地视为真正的涡轮发电机系统。实际上，它的输入可以直接连接到励磁系统和涡轮调速器的接口。此外，模拟器在输出中提供具有不同控制装置所要求的适当格式的过程变量。本文介绍了STAR仿真器的主要设计主题，主要涉及其硬件和软件体系结构以及涡轮机（蒸汽，水力或天然气），交流发电机（带有静态和旋转励磁机）以及电网互连的模型框架。简短描述了励磁控制系统和涡轮调速器的结构，以及参数配置，运行时仿真和数据可视化过程。最后，通过显着的瞬态响应来显示STAR性能。

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