Yunfen Ji

发表

Robert A. Davis, Yunfen Ji, 1999 .

Starting performance of high-frequency electronic ballasts for 4-foot fluorescent lamps

Yunfen Ji, R. Davis, 1995, IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting.

Compatibility testing of fluorescent lamp and ballast systems

Yunfen Ji, R. Davis, C. O'Rourke, 1997, IAS '97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting.

Reducing the uncertainty in fluorescent lamp/ballast system compatibility

Robert G. Davis, Yunfen Ji, 1996, IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting.

An Investigation of the Effect of Operating Cycles on the Life of Compact Fluorescent Lamps

Weihong Chen, Yunfen Ji, Robert H. Davis, 1999 .

Starting performance of high-frequency electronic ballasts for four-foot fluorescent lamps

Robert A. Davis, Yunfen Ji, 1995 .