The concept of impedance sensitivity factor (ISF) of TCSC has been developed. It has been proved that ISF is the main factor determining the impedance controllable range of TCSC.
提出了TCSC的阻抗灵敏度系数isf的概念，并论证了阻抗灵敏度系数是决定TCSC阻抗可控范围的基本因素。
But stressed constantly the approach speed use factor the enhancement caused the approach speed to surpass the controllable scope, brought the disadvantageous influence to the taking off speed change.
而一味强调助跑速度利用率的提高使助跑速度超出了可控范围，对起跳速度变化带来不利的影响。
We gained solutions to theoretical formulas under different boundary conditions, presented the method to determine the gas reservoir factor and single well controllable range by means of type curve.
求解了不同边界条件下的理论公式； 给出了利用试井理论曲线确定气层参数和单井控制范围的方法。
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