In the multiple-loop control strategy for sinusoidal inverters based on load current feedforward, delay of the feedforward directly impacts the system's performance.

在基于负载电流前馈解耦的正弦波逆变器多环控制策略中，负载电流前馈作用的延迟直接影响着系统的性能。

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This paper presents a digital multiple-loop control technology of inverters. The scheme incorporates a current loop with an instantaneous voltage loop, while a repetitive control outer loop is added.

本文提出了一种逆变器数字多环控制技术，该方案在电流环和瞬时电压环之外附加了一个重复控制环。

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A: Try Loop PDF - it's a free service that lets you combine multiple documents, images and even web pages into a single PDF file.

A：你可以试试Loop PDF，他们提供免费服务，可以将多个文档、图片、甚至网页合并进一个PDF文件。

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Robust economic growth--3.3% or better, over multiple years--sustains a positive feedback loop.

FORBES: What Grows An Economy?

In some cases this back-and-forth loop repeats multiple times, stretching over months.

FORBES: Does the Budgeting Process Drive You Batty?

The firm and its architect, NBBJ, looked at how fast people can walk and measured the diameter of the space from multiple angles. (An "infinity-loop"-shaped pathway slopes through the building, connecting employees to each other.) In addition, the floor plan is narrower than typical offices, keeping teams in sight range of one another.

WSJ: The Science of Serendipity in the Workplace