On this basis, the calculation formula for de-excitation time is derived.
在此基础上，求出灭磁时间的计算公式。
2
The study and application of AC de-excitation technology in pumped storage power station is a quite new subject.
交流灭磁技术在抽水蓄能机组中的应用是一个较新的课题。
3
This thesis sets forth the merit and flaw of excitation system and other concerned problems of main loop, magnetizing field loop and de-excitation loop in detail.