Electrical Engineering

罗戈夫斯基线圈

Rogowski Coil

A toroidal coil used for measuring alternating current (AC) without the need to break the circuit. It operates based on Ampere's Law to measure the magnetic field generated by the current flowing through the conductor. / 一种用于测量交流电（AC）而不需要断开电路的环形线圈。它基于安培定律工作，以测量流过导体的电流产生的磁场。

Knowledge type: 物理设备
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-10-27 19:00:21

Sub-knowledge points

Ampere-Law-Guided Rectangular PCB DesignNoninvasive MeasurementSubmodule Current Measurement

Higher-order knowledge points

Current SensingPower Electronics Monitoring

Main parameters and performance indicators

Turns Ratio: Determines the sensitivity and output voltage of the coil.Core Material: Typically air or ferrite, affects frequency response and linearity.Integration Time Constant: Critical for accurate measurement of pulsed or high-frequency currents.

Open problems

Linearity at very high frequencies.Temperature drift compensation.

Related literature

ranked by community stars

High-Accuracy Noninvasive Submodule Current Measurement in StakPak IGBTs Using an Ampere-Law-Guided Rectangular PCB Rogowski CoilOpen source

罗戈夫斯基线圈

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

Related products and links