IEC TS 62257-7:20 17 RLV包含国际标准及其红线版本。红线版本只有英文版本。Redline版本为您提供了一种快速简单的方法来比较该标准与其前一版本之间的所有变化。红线版本不是IEC官方标准，只有标准的当前版本才被视为官方文件。 IEC？TS？62257-7:20 17规定了分散式农村电气化系统中发电机的一般要求。本文件是一个一般性介绍，随后是更具体的文件，专门介绍目前在农村电气化项目中使用最多的发电技术。与上一版本相比，新版本包括以下重大技术变化:从光伏系统的描述中删除了“小”一词，并删除了功率限制（100 kVA）；将相关电压水平提高至1 000 V（AC）和1 500 V（DC）。

IEC TS 62257-7:2017 RLV contains the International Standard and its Redline version. The Redline version is available in English only. The Redline version provides you with a quick and easy way to compare all the changes between this standard and its previous edition. The Redline version is not an official IEC Standard, only the current version of the standard is to be considered the official document.

IEC？TS？62257-7:2017 specifies the general requirements for the generators in decentralized rural electrification systems. This document is a general introduction followed by more specific documents dedicated to the generation technologies which are the most currently used in rural electrification projects. This new edition includes the following significant technical changes with respect to the previous edition: removed the word "small" from the description of the PV systems, and removed the power limit (100 kVA); increased the relevant voltage levels to 1 000 V (AC) and 1 500 V (DC).