行业组件数据 · 2026

绕组(电气)

Windings are conductive coils in electric machines that create electromagnetic fields for energy conversion.

技术定义与适配语境
典型 绕组(电气) 会按材料、尺寸公差、适配关系和失效风险在 电气设备制造 中评估。

Windings in electric machines consist of insulated copper or aluminum conductors wound around a core to form coils. When electric current flows through these windings, they generate electromagnetic fields that interact with magnetic circuits to produce torque in motors or induce voltage in generators. In rotors, windings can be squirrel-cage (short-circuited bars) or wound (with slip rings for external connections), with precise geometric arrangements determining electrical characteristics.

组件规格

定义
Windings in electric machines consist of insulated copper or aluminum conductors wound around a core to form coils. When electric current flows through these windings, they generate electromagnetic fields that interact with magnetic circuits to produce torque in motors or induce voltage in generators. In rotors, windings can be squirrel-cage (short-circuited bars) or wound (with slip rings for external connections), with precise geometric arrangements determining electrical characteristics.
工作原理
Windings operate on electromagnetic induction principles. Current flowing through conductors creates magnetic flux that interacts with stator fields (in motors) or rotor motion (in generators). The number of turns, conductor cross-section, and winding pattern determine voltage, current, and torque characteristics according to Faraday's and Ampère's laws.
材料
Copper (99.9% purityelectrolytic grade) or aluminum alloy conductors with Class F (155°C) or higher thermal-rated insulation (polyimidepolyesterenamel). Insulation materials include NomexMylaror epoxy coatings. Slot liners use DMD (Dacron-Mylar-Dacron) composite.
Resistance
0.5-50 Ω per phase at 20°C
Wire Gauge
AWG 14-40
Fill Factor
65-75%
Turns per Coil
10-200
Insulation Class
Class F (155°C) or Class H (180°C)
Conductor Material
Copper C11000 or Aluminum 1350
Dielectric Strength
≥ 2.5 kV RMS
标准
ISO 60034IEC 60034NEMA MG1DIN EN 60034

行业分类与别名

绕组(电气) 的常用贸易名称、技术标识和检索关键词。

上级产品

该组件会出现在以下整机或工业产品中。

FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Overheating due to excessive current->Insulation degradation and turn-to-turn shorts->Install thermal protection devices, ensure adequate cooling, use Class H insulation
Voltage surges from power supply->Dielectric breakdown and ground faults->Implement surge protection, proper grounding, and vacuum pressure impregnation (VPI)

工业生态与工程逻辑

0
Insulation breakdown leading to short circuits
1
Thermal overload causing burnout
2
Corrosion in humid environments
3
Mechanical fatigue from vibration

合规与检测

tolerance
Winding resistance ±2%, insulation thickness ±10%, dimensional tolerance per ISO 2768-m
test method
IEEE 43 for insulation resistance, IEC 60034 for performance testing, surge testing per IEEE 522

制造该组件的工厂

来自 CNFX 组件能力表的相关制造商资料。

制造商列表用于前期研究和供应商能力理解,不代表认证、排名或交易担保。

采购评估维度

不是客户评论,也不是实时热度。以下维度用于前期 RFQ 准备和供应商评估。

技术文档
4/5
制造能力
4/5
可检验性
5/5
供应商透明度
3/5

这些分值是采购评估维度示例,不代表真实客户评分、具体国家买家反馈或实时询盘。

相关组件

常见问题

What causes winding failures in electric machines?

Common causes include thermal degradation from overloads, insulation breakdown due to voltage spikes, mechanical damage from vibration, contamination by moisture/oil, and manufacturing defects like improper impregnation.

How are windings tested for quality?

Testing includes insulation resistance (megger test), polarization index, surge comparison, winding resistance measurement, and high-potential (hipot) tests per IEEE 43 and IEC 60034 standards.

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CNFX 是开放目录,不是交易平台或采购代理。工厂资料和表单用于帮助你准备直接沟通。

CNFX Industrial Component Index · 电气设备制造

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初步技术归类
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请求制造能力信息: 绕组(电气)

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