V2EX gigawatt

Gigawatt

释义 Definition

gigawatt(GW)吉瓦/十亿瓦,功率单位,等于 10 瓦(W)。常用于描述电站发电能力、国家电网负荷、风电/光伏装机规模等。(也可引申指“极大的电力规模”。)

发音 Pronunciation (IPA)

/wt/(美式常见)
/wt/(英式常见)

例句 Examples

A typical nuclear reactor produces about one gigawatt of electricity.
一座典型的核反应堆大约能产生一吉瓦的电力。

By 2030, the country aims to add several gigawatts of offshore wind capacity to stabilize the grid and cut emissions.
到2030年,该国计划新增数吉瓦的海上风电装机容量,以稳定电网并减少排放。

词源 Etymology

giga- 来自希腊语 gígas(“巨人”),在国际单位制中表示 10(十亿)watt(瓦)源自苏格兰工程师 James Watt 的姓氏,用于纪念他对蒸汽机与功率测量发展的贡献。合起来 gigawatt 即“十亿瓦”的功率单位。

相关词 Related Words

文学作品中的用例 Literary Works

  • The Martian(Andy Weir):涉及能源与发电功率等技术语境,出现功率单位(包括瓦特量级)的讨论。
  • The Ministry for the Future(Kim Stanley Robinson):在气候与能源转型叙事中多次提及大规模电力与装机容量(常以GW量级表述)。
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