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Inertial response with improved variable recovery behaviour provided by type 4 WTs

机译：由4型WT提供的惯性响应具有改善的变量恢复性能

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摘要

Requirements for inertial response (IR) from wind turbines (WTs) have been implemented or drafted by power systems (PSs) operators worldwide. This is a response to the replacement of conventional power plants using synchronous generators by non-synchronous, power electronics-based generation and the resulting effect on frequency dynamics in the case of contingency events. The additional active power provided during operation in IR mode must be drawn from the rotating masses. A re-acceleration accompanied by reduced active power output follows the activation phase. The allowed depth and duration of the post-inertial recovery will be regulated in future versions of grid codes, e.g. in Québec and Ireland. This study describes an improved version of an IR control system that enables a more PSs-friendly provision of such short-term frequency support. The new controls allow adjusting the duration of the recovery period. Potential negative effects of IR from WTs on the PS in the form of a second frequency nadir during the recovery phase can be minimised. The outcome of simulations and of field testing will be presented. All results shown in this study include the initial and the future inertia emulation performance which allows easy comparison of the two controls.
机译：全球电力系统（PS）运营商已实施或起草了风力涡轮机（WT）的惯性响应（IR）要求。这是对基于非同步，基于电力电子技术的发电使用同步发电机替代传统发电厂的响应，以及在意外事件中对频率动态产生的影响。在IR模式下运行期间提供的额外有功功率必须来自旋转质量。在激活阶段之后，伴随着有功功率输出减少的重新加速。惯性恢复后允许的深度和持续时间将在以后版本的电网规范中进行规定，例如在魁北克和爱尔兰。这项研究描述了一种红外控制系统的改进版本，该系统可以为此类短期频率支持提供更PS友好的支持。新的控件允许调整恢复期的持续时间。在恢复阶段，WT产生的IR以第二频率最低点的形式对PS的潜在负面影响可以最小化。将介绍模拟和现场测试的结果。这项研究中显示的所有结果都包括初始和将来的惯性仿真性​​能，可以轻松比较两个控件。

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