V2EX delta connection

Delta Connection

定义 Definition

三角形接法(Δ接法):在三相交流电路/电机绕组中,把三相负载或绕组首尾相连形成闭合回路,连接形状类似希腊字母 Δ(delta)。常用于三相电动机与变压器的接线方式之一(与 Y/星形接法相对)。

发音 Pronunciation (IPA)

/dlt knkn/

例句 Examples

The motor is wired in a delta connection.
这台电机采用三角形接法接线。

In a delta connection, the line voltage equals the phase voltage, which affects how you choose protection and ratings.
在三角形接法中,线电压等于相电压,这会影响保护装置与额定值的选型。

词源 Etymology

delta 源自希腊字母 Δ,因这种三相接线形成的回路在示意图中呈三角形而得名;connection 来自拉丁语词根,表示“连接、接线”。合起来就是“Δ形的连接方式”。

相关词 Related Words

文学与著作 Literary Works

  • Electrical Engineering: Principles and Applications(Allan R. Hambley):在三相电路章节讨论Δ接法与Y接法。
  • Fundamentals of Electric Circuits(Charles K. Alexander & Matthew N. O. Sadiku):在交流与三相系统内容中出现并用于例题。
  • Standard Handbook for Electrical Engineers(McGraw-Hill):作为工程手册常见术语,涉及电机与变压器接线说明。
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