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磁场削弱
field weakening
- 这一横向磁场会将电弧吹向弧隙外侧，削弱了真空灭弧室的开断能力。
Such horizontal magnetic field will make the arc move out of the electrode gap, and reduce the interrupting ability of the vacuum interrupters. - 在各次谐波磁场中，齿谐波磁场较强，有时甚至强于任何其它高次谐波，因此设法削弱齿谐波磁场是降低谐波转矩和附加损耗的有效方法。
Among all the harmonic fields, the component of tooth harmonic is large, sometimes larger than any other harmonic components, therefore, reducing this component is a very efficient … - 简要地说明磁场削弱的原理及磁场削弱时产生过载危害的主要原因，提出了防止磁场削弱时过载的措施。
This paper described the principle of field weakening, analysed the main reason of over-load when field weakening, and gave the countermeasures to prevent over-loading when field weakening.
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