Analyzing the variation of the nozzle arc parameters at current zero, in addition, analyzing the breaking property of the studied circuit breaker on the basis of the theory.

分析了电流过零时喷口内电弧参数变化的原因，此外，从理论上对所研究的断路器的开断性能进行了分析。

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Zero-sequence current criterion, negative sequence current criterion and phase current variation can be used to improve the performance of breaker failure protection for ACF sub-bank.

针对单纯采用相电流判据的不足之处，本文提出增加零序电流、负序电流及电流变化量判据，以有效地避免保护误动或者拒动。

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In order to make sure the magnetic field distribution around the magneto optical trap cold atoms, the weak variation and distribution around the zero point magnet field can be analyzed.

为了研究磁光阱冷原子团所在区域的磁场大小，从而得出磁场零点附近磁场的微弱变化及其分布。

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But Cochrane finds that cash flow variation accounts for approximately zero percent of market variation.

FORBES: John Cochrane's Unpleasant Fiscal Arithmetic