Self-integrated Rogowski coil for low-frequency high current measurement

wei bing; qing yanling; guan yongchao; qiu xu; fu jiabin; song shengyi

Volume 22 Issue 09

Aug. 2010

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gu mu, ma xiao-hui, xu rong-kun, et al. Slow component suppression and γ radiation hardness of BaF2crystal modified by photonic band multilayer filter[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

wei bing, qing yanling, guan yongchao, et al. Self-integrated Rogowski coil for low-frequency high current measurement[J]. High Power Laser and Particle Beams, 2010, 22.

Citation:

wei bing, qing yanling, guan yongchao, et al. Self-integrated Rogowski coil for low-frequency high current measurement[J]. High Power Laser and Particle Beams, 2010, 22.

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Self-integrated Rogowski coil for low-frequency high current measurement

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China

Publish Date: 2010-08-17

Abstract

Abstract

A self-integrated Rogowski coil has been designed to measure the current of the capacitive pulse power supply module. The waveform of the primary Rogowski coil output will distort because of the saturation of the ferromagnetic core in the coil under large current. The way to solve the problem is to use ferromagnetic materials of large saturated magnetic field strength, and to add inverse magnetic field on the Rogowski coil or reduce the excitated current equivalently. The measurement range can be enhanced with increasing the diameter and cross section area of the core for given ferromagnetic material. To increase the ratio of the self-inductance to the resistance of the coil is another way which can be achieved by winding the insulated wire in multiple layers. The current for core saturati
- current pulse,
- measurement,
- rogowski coil,
- ferromagnetic core,
- saturation

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