drive level
4.Optimal Drive Signals Design and Implementation in CPLD for Medium Voltage Three-level Inverter Equipped With IGCTS
7.Origination of cell-series multi-level MV drive technology is analyzed basing on the patents of Westinghouse Corp.
8.Ning Bo opens trade of Yuan Huacheng buy limited company is to drive the holding company with yuan of travel trade subordinate group, the project of 9 dragon lake that the company develops is located in the town with pretty picture inside beauty spot of Hai Jiulong lake, plan to build + of hotel of 5 stars class the high-grade and large travel of residence of multilayer, small high level goes vacationing living community.
9.According to recording data of higher level monitor and control system when main motor drive system for four-high medium plate mill is operated, and relation between armature voltage of DC electromotor and AC input voltage of inverter, trip cause of DC fast automatic switch was analyzed in detail, and specific countermeasure and measures are given.
10.Begin from 1993, ministry of Education is built to promote a batch or the college of promote raises level of undergraduate course education, drive each respect to increase the investment to the school, ensure primary education quality, to what build since 1976, the average college that is main task with undergraduate course education, began work of undergraduate course education " qualification is evaluated " .

