行业组件数据 · 2026

电容器模块

Capacitor modules are compact assemblies of capacitors used in capacitor banks for power factor correction and reactive power compensation in industrial electrical systems.

技术定义与适配语境
典型 电容器模块 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。

Capacitor modules are standardized, modular units that contain multiple capacitor elements, protective devices, and connection terminals. They are designed for easy installation, maintenance, and scalability within capacitor banks. These modules provide reactive power compensation to improve power factor, reduce energy losses, and enhance voltage stability in industrial facilities with inductive loads.

组件规格

定义
Capacitor modules are standardized, modular units that contain multiple capacitor elements, protective devices, and connection terminals. They are designed for easy installation, maintenance, and scalability within capacitor banks. These modules provide reactive power compensation to improve power factor, reduce energy losses, and enhance voltage stability in industrial facilities with inductive loads.
工作原理
Capacitor modules operate by storing electrical energy in an electrostatic field between conductive plates separated by a dielectric material. When connected to an AC power system, they supply reactive power (kVAR) to offset the inductive reactive power drawn by motors, transformers, and other inductive loads, thereby improving the power factor toward unity.
材料
Aluminum or metallized polypropylene film dielectricaluminum electrodespolypropylene or epoxy resin casingcopper or aluminum terminalssteel mounting bracketsdischarge resistorsand thermal fuses.
Lifespan
100,000 hours at rated conditions
Frequency
50/60 Hz
Rated Voltage
400V to 1000V AC
Dielectric Loss
<0.2 W/kVAR
Protection Class
IP20 to IP54
Capacitance Range
5 kVAR to 50 kVAR per module
Operating Temperature
-25°C to +55°C
标准
IEC 60831IEEE 18UL 810

行业分类与别名

电容器模块 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

Excessive harmonic distortion in the power system->Overheating and premature dielectric breakdown->Install harmonic filters or use detuned/reactor-protected capacitor modules
Frequent switching cycles->Reduced lifespan due to thermal stress on internal components->Use capacitors with high switching endurance and implement controlled switching strategies
Poor ventilation or high ambient temperature->Thermal runaway leading to capacitor explosion or fire->Ensure adequate airflow, install temperature sensors, and use capacitors with built-in thermal protection

工业生态与工程逻辑

0
Overheating due to poor ventilation
1
Harmonic resonance causing capacitor damage
2
Electrical shock during maintenance
3
Fire hazard from internal faults

合规与检测

tolerance
Capacitance tolerance typically ±5% to ±10% of rated value
test method
Testing per IEC 60831 includes capacitance measurement, loss tangent test, voltage withstand test, and discharge device verification

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 is the main purpose of a capacitor module in an industrial setting?

The primary purpose is to provide reactive power compensation to improve power factor, which reduces energy losses, lowers electricity bills, and increases the capacity of the electrical distribution system.

How do you select the right capacitor module for a capacitor bank?

Selection is based on the required kVAR rating, system voltage, harmonic distortion levels, ambient temperature, and physical space constraints. It's essential to match the module specifications with the capacitor bank design and load characteristics.

What are the common failure modes of capacitor modules?

Common failures include dielectric breakdown due to overvoltage or overheating, internal short circuits, terminal corrosion, and degradation from harmonic distortion or frequent switching.

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CNFX Industrial Component Index · 电气设备制造

数据基础

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初步技术归类
本页用于结构化准备研究、RFQ 和供应商评估,不替代买方自己的供应商资质审查、标准核验和技术批准。

请求制造能力信息: 电容器模块

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