行业组件数据 · 2026

高压端子

High-voltage terminal for voltage measurement dividers, ensuring safe and accurate electrical connections in high-voltage systems.

技术定义与适配语境
典型 高压端子 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。

A high-voltage terminal is a critical electrical component designed to connect high-voltage conductors to voltage measurement dividers or other equipment. It provides a secure, insulated interface that prevents electrical arcing, corona discharge, and leakage currents, while maintaining precise voltage division ratios for measurement accuracy. Typically used in power transmission, substations, and industrial high-voltage testing setups.

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组件规格

定义
A high-voltage terminal is a critical electrical component designed to connect high-voltage conductors to voltage measurement dividers or other equipment. It provides a secure, insulated interface that prevents electrical arcing, corona discharge, and leakage currents, while maintaining precise voltage division ratios for measurement accuracy. Typically used in power transmission, substations, and industrial high-voltage testing setups.
工作原理
The terminal operates by providing a low-resistance, high-integrity connection point for high-voltage conductors. It incorporates insulation materials and geometric designs (e.g., smooth surfaces, rounded edges) to control electric field distribution, minimizing stress concentrations. In voltage dividers, it ensures the input high voltage is accurately divided down to a measurable low voltage without introducing significant impedance or distortion.
材料
Conductor: Oxygen-free high-conductivity copper or aluminum alloyoften silver-plated for enhanced conductivity and corrosion resistance. Insulation: High-dielectric-strength materials such as porcelainepoxy resinsilicone rubberor PTFErated for continuous operation at specified voltages (e.g.10 kV to 500 kV). Housing: UV-resistant polymer or composite materials for outdoor durability.
IP Rating
IP65 or higher for outdoor use
Current Rating
1-10 A (depending on design)
Voltage Rating
Up to 300 kV AC/DC
Connection Type
Threaded stud, clamp, or bolted
Temperature Range
-40°C to +85°C
Dielectric Strength
Withstands 2x rated voltage for 1 minute
Insulation Resistance
>1000 MΩ at 500 V DC
标准
ISO 9001IEC 60243IEEE 48

行业分类与别名

高压端子 的常用贸易名称、技术标识和检索关键词。

high-voltage terminalvoltage divider terminalelectrical connectorHV terminalinsulationIEC 60243power measurementindustrial electrical components高压端子High-Voltage Terminal电气设备制造 高压端子

上级产品

该组件会出现在以下整机或工业产品中。

火花间隙组件
一种用于点火或定时目的、产生受控火花放电的精密电气组件。
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电压测量分压器
一种用于通过分压方式安全测量高电压的精密电气元件。
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FMEA · 风险与缓解

诱因 → 失效模式 → 工程缓解

Contamination or moisture on insulation surface->Reduced dielectric strength leading to flashover->Use hydrophobic coatings, regular cleaning, and design with creepage distance per IEC 60243
Loose connection due to thermal expansion or vibration->Increased contact resistance, overheating, and potential arcing->Apply proper torque during installation, use lock washers, and design with spring-loaded contacts
Material aging under UV exposure or thermal stress->Cracking or brittleness of insulation, compromising safety->Select UV-stable materials (e.g., HTV silicone), conduct periodic inspections, and replace per maintenance schedule

工业生态与工程逻辑

兼容对象
Voltage measurement dividersHigh-voltage transformersPower quality analyzersImpulse generators
可替换件
ABBSiemensGE Grid SolutionsHubbellPfisterer
0
Electrical arcing due to improper installation
1
Insulation degradation over time
2
Corona discharge at high voltages
3
Mechanical failure from vibration or thermal cycling

合规与检测

tolerance
Voltage division ratio accuracy within ±0.5% under rated conditions; insulation resistance deviation <10% from spec
test method
Dielectric withstand test per IEC 60243-1; partial discharge measurement per IEC 60270; thermal cycling and humidity tests per IEEE 48

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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。

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常见问题

What is the primary function of a high-voltage terminal in a voltage divider?

It safely connects high-voltage input to the divider, ensuring accurate voltage division while preventing electrical hazards like arcing or insulation breakdown.

How do I select the right high-voltage terminal for my application?

Consider voltage rating, current capacity, environmental conditions (e.g., humidity, temperature), insulation material, and compliance with standards like IEC 60243.

Can high-voltage terminals be used in outdoor installations?

Yes, if designed with weather-resistant materials (e.g., silicone rubber, porcelain) and appropriate IP ratings (e.g., IP65) to withstand moisture, UV exposure, and pollution.

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