D. Casadei, G. Grandi, G. Serra: Symmetric and unsymmetric control of a three-phase chopper type AC voltage regulator. Symposium on "Power Electronics Electrical Drives & Advanced Motors", 19-21 May, 1992, Positano, Italy, Proceedings pp. 181-186.

D. Casadei, G. Grandi, G. Serra: Analysis of a three-phase PWM AC chopper for variable-voltage control of induction motors. International Aegean Conference on Electrical Machines and Power Electronics. 27-29 May, 1992 Kusadasi-Turkey, Proceedings pp.744-749.

D. Casadei, G. Grandi, U. Reggiani, G. Serra: Analysis of a Power Conditioning System for Superconducting Magnetic Energy Storage (SMES). Proc. of IEEE-ISIE’98, Pretoria (South Africa), July 7-10, 1998, Vol. 2, pp. 546-551.

L. Peretto, R. Sasdelli, G. Serra: Measurement of Harmonic Losses in Transformers Supplying Nonsinusoidal Load Currents. Proc. of. IMTC/99, Venice, Italy, May 24-26, 1999, ISBN:0-7803-5276-9, pp. 982-986.

D. Casadei, G. Grandi, U. Reggiani, G. Serra, A. Tani: Behavior of a power conditioner for µ-smes systems under unbalanced supply voltages and unbalanced loads. Proc. of IEEE-ISIE’99, Bled (Slovenia), July 12-16, 1999, Vol. 2, pp. 539-544.

D. Casadei, G. Serra, A. Tani, L. Zarri: Analysis of the Current Ripple in Induction Motor Drives Controlled by SVM Technique. Proc. of EPE'99, Lausanna, Switzerland, September 7-9, 1999, Compact Disc Data Storage.

L. Peretto, R. Sasdelli, G. Serra: Measurement of Harmonic Losses in Transformers Supplying Nonsinusoidal Load Currents. IEEE Trans. on Instrumentation and Measurement, Vol. 49, No. 2, April 2000, pp. 315-319.

F. Negrini, P. G. Albano, C. A. Borghi, M. Breschi, D. Casadei, A. Cristofolini, M. Fabbri, G. Grandi, P. La Cascia, U. Reggiani, P. L. Ribani, C. Rossi, G. Serra, A. Tani, "Recent Developments on Micro-SMES systems Project at the University of Bologna", Electrical Energy Storage Applications and Technologies (EESAT2000) (Orlando (Florida), 18-20, Settembre 2000) a cura di Dr. Imre Gyuk, Dr. P.C.Symons, J. Boyes, pp. 5A-1-5A-2, IEEE Power Engineering Society, Orlando (Florida), 2000.

U. Reggiani, G.Grandi, G. Sancineto and G. Serra: Comparison Between Air-Core and Laminated Iron-Core Inductors in Filtering Applications for Switching Converters. Proc. of CIEP 2000, IEEE International Power Electronics Congress, Acapulco, México, October 15-19, 2000 , pp. 9 –14.

D. Casadei, G. Serra, A. Tani, L. Zarri: A General Approach for Minimizing the Current Ripple in Induction Motor Drives Controlled by SVM Technique. Proc. of ISIE 2000, International Symposium on Industrial Electronics, Universidad de las Américas-Puebla, México, 4-8 December, 2000, pp. 247-252.