Professional activities

In addition to private on-site workshops, Dr. Ray Ridley has designed and taught public power electronics courses and conference seminars worldwide since 1989:

1. Five-Day Design Workshop, Cambridge, UK February 2025
2. Five-Day Design Workshop, Camarillo, CA January 2025
3. Five-Day Design Workshop, Cambridge, UK October 2024
4. Five-Day Design Workshop, Camarillo, CA September 2024
5. Five-Day Design Workshop, Camarillo, CA June 2024
6. Five-Day Design Workshop, Camarillo, CA March 2024
7. One-Day Design Workshop, Long Beach, CA February 2024
8. Five-Day Design Workshop, Cambridge, UK February 2024
9. Five-Day Design Workshop, Cambridge, UK February 2024 (2nd)
10. Five-Day Design Workshop, Camarillo, CA December 2023
11. Five-Day Design Workshop, Camarillo, CA September 2023
12. Five-Day Design Workshop, Camarillo, CA June 2023
13. Five-Day Design Workshop, Camarillo, CA March 2023
14. Five-Day Design Workshop, Camarillo, CA March 2023
15. Five-Day Design Workshop, Camarillo, CA December 2022
16. Five-Day Design Workshop, Cambridge UK, October 2022
17. Five-Day Design Workshop, Camarillo, CA September 2022
18. Five-Day Design Workshop, Virtual May 2022
19. Five-Day Design Workshop, Virtual March 2022
20. Five-Day Design Workshop, Virtual January 2022
21. Five-Day Design Workshop, Virtual November 2021
22. Five-Day Design Workshop, Virtual September 2021
23. Five-Day Design Workshop, Virtual May 2021
24. Five-Day Design Workshop, Virtual April 2021
25. Four-Day Design Workshop, Virtual March 2021
26. Four-Day Design Workshop, Virtual February 2021
27. Four-Day Design Workshop, Virtual January 2021
28. Four-Day Design Workshop, Virtual December 2020 
    
29. Four-Day Design Workshop, Virtual October 2020 
    
30. Four-Day Design Workshop, Virtual July 2020
31. Four-Day Design Workshop, Camarillo, CA January 2020
32. Four-Day Design Workshop, Cambridge UK November 2019
33. Four-Day Design Workshop, Camarillo, CA October 2019
34. Four-Day Design Workshop, Cambridge UK June 2019
35. Four-Day Design Workshop, Camarillo, CA May 2019
36. Four-Day Design Workshop, Camarillo, CA Apiril 2019
37. Four-Day Design Workshop, Camarillo, CA January 2019
38. Four-Day Design Workshop, Cambridge UK November 2018
39. Four-Day Design Workshop, Camarillo, CA September 2018
40. Four-Day Design Workshop, Los Angeles, CA June 2018
41. Four-Day Design Workshop, Camarillo, CA May 2018
42. Four-Day Design Workshop Livorno, Italy April 2018
43. One-Day Magnetics Seminar, APEC Conference March 2018
44. One-Day Control Course, APEC Conference March 2018
45. Four-Day Design Workshop, Camarillo, CA February 2018
46. Four-Day Design Workshop, Dallas, TX January 2018
47. Four-Day Design Workshop, Camarillo, CA November 2017
48. Four-Day Design Workshop, Camarillo, CA August 2017
49. Four-Day Design Workshop, Camarillo, CA May 2017
50. One-Day Magnetics Course, APEC Conference March 2017
51. One-Day Control Course, APEC Conference March2017
52. One-Day Design Seminar, Detroit, MI February 2017
53. Four-Day Design Workshop, Camarillo, CA December 2016
54. Four-Day Design Workshop, Camarillo, CA September 2016
55. Four-Day Design Workshop, Camarillo, CA June 2016
56. One-Day Course, APEC Conference, Long Beach, CA March 2016
57. Four-Day Design Workshop, Camarillo, CA March 2016
58. Four-Day Design Workshop, Atlanta, GA December 2015
59. Four-Day Design Workshop, Cambridge UK October 2015
60. Four-Day Design Workshop, Atlanta, GA September 2015
61. Four-Day Design Workshop, Atlanta, GA June 2015
62. One-Day Control Course, APEC Conference March 2015
63. Four-Day Design Workshop, Atlanta, GA March 2015
64. Four-Day Design Workshop, Cambridge UK January 2015
65. Four-Day Design Workshop, Atlanta, GA December 2014
66. Four-Day Design Workshop, Cambridge UK October 2014
67. Four-Day Design Workshop, Atlanta, GA June 2014
68. One-Day Design Workshop, PCIM Nuremberg, Germany May 2014
69. One-Day Control Course, APEC Conference March 2014
70. Four-Day Design Workshop, Atlanta, GA March 2014
71. Four-Day Design Workshop, Atlanta, GA January 2014
72. Four-Day Design Workshop, Atlanta, GA October 2013
73. Four-Day Design Workshop, Atlanta, GA, June 2013
74. One-Day Magnetics Workshop, Nuremberg, Germany, May 2013
75. Four-Day Design Workshop, Atlanta, GA, March 2013
76. APEC Conference, Long Beach, CA, March 2013
77. Four-Day Design Workshop, Atlanta, GA, January 2013
78. Four-Day Design Workshop, Atlanta, GA, December 2012
79. Four-Day Design Workshop, Atlanta, GA, November 2012
80. Four-Day Design Workshop, Cambridge UK, October 2012
81. One-Day Control Workshop, Nuremberg, Germany, May 2012
82. Four-Day Design Workshop, Cambridge UK, April 2012
83. Four-Day Design Workshop, Atlanta, GA, March 2012
84. APEC Conference, Orlando, FL, February 2012
85. Four-Day Design Workshop, Atlanta, GA, January 2012
86. Four-Day Design Workshop, Atlanta, GA, October 2011
87. Four-Day Design Workshop, Atlanta, GA, July 2011
88. Four-Day Design Workshop, Atlanta, GA, June 2011
89. One-Day Control Workshop, Nuremberg, Germany, May 2011
90. One-Day Control Workshop, Hong Kong, April 2011
91. Four-Day Design Workshop, Atlanta, GA, February 2011
92. APEC Conference, Ft. Worth, TX, February 2011
93. One-Day Control Workshop, San Jose, CA, February 2011
94. Four-Day Design Workshop, Atlanta, GA, December 2010
95. Four-Day Design Workshop, Atlanta, GA, November 2010
96. One-day Control Seminar, IEEE APEC, Palm Springs, 2010
97. One-day Magnetics Seminar, PCIM Europe, Nuremberg, Germany May 2010
98. Four-Day Design Workshop, Toulouse, France, June 2010
99. PCIM Europe, Nuremberg, Germany May 2010
100. Four-Day Design Workshop, Atlanta, GA, May 2010
101. Four-Day Design Workshop, Atlanta, GA, April 2010
102. APEC Conference, Palm Spring, CA, February 2010
103. Four-Day Design Workshop, Atlanta, GA, October 2009
104. Four-Day Design Workshop, Atlanta, GA, June 2009
105. One-day invited control seminar, PCIM Europe, Nuremberg, Germany May 2009
106. Four-Day Design Workshop, Bordeaux, France, March 2009
107. Four-Day Design Workshop, Atlanta, GA, February 2009
108. One-day invited control seminar, IEEE APEC, Washington DC, 2009
109. Four-Day Design Workshop, Atlanta, GA, December 2008
110. Four-Day Design Workshop, Bordeaux, France, September 2008
111. Four-Day Design Workshop, Atlanta, GA, August 2008
112. Four-Day Design Workshop, Atlanta, GA, June 2008
113. One-day invited control and failure seminar, PCIM Europe, Nuremberg 2008
114. APEC Conference, February 2008
115. Four-Day Design Workshop, Atlanta, GA, January 2008
116. Four-Day Design Workshop, Munich, Germany, September 2007
117. Four-Day Design Workshop, Bordeaux, France, June 2007
118. Four-Day Design Workshop, Munich, Germany, June 2007
119. Invited Control Seminar, PCIM Europe, Nuremberg, Germany May 2007
120. Four-Day Design Workshop, Atlanta, GA, April 2007
121. Four-Day Design Workshop, Atlanta, GA, February 2007
122. APEC Conference, February 2007
123. Four-Day Design Workshop, Atlanta, GA, December 2006
124. Four-Day Design Workshop, Atlanta, GA, November 2006
125. Four-Day Design Workshop, Atlanta, GA, September 2006
126. Four-Day Design Workshop, Atlanta, GA, August 2006
127. PCIM Europe, Nuremberg, Germany May 2006
128. Four-Day Design Workshop, Atlanta, GA, May 2006
129. Four-Day Design Workshop, Atlanta, GA, February 2006
130. APEC Conference, February 2006
131. Four-Day Design Workshop, Atlanta, GA, January 2006
132. Four-Day Design Workshop, Atlanta, GA, September 2005
133. Four-Day Design Workshop, Atlanta, GA, November 2005
134. Four-Day Design Workshop, Atlanta, GA, June 2005
135. PCIM Europe, Nuremberg, Germany May 2005
136. Four-Day Design Workshop, Atlanta, GA, April 2005
137. APEC Conference, February 2005
138. Four-Day Design Workshop, Atlanta, GA, January 2005
139. Power Systems Design and Modeling, Powersystems World Conference, Chicago, IL, October 2004
140. Four-Day Design Workshop, Atlanta, GA, August 2004
141. PWM Swich Modeling Historical Review and New Developments, APEC, Anaheim, CA, February 2004
142. Four-Day Design Workshop, Atlanta, GA, February 2004
143. Four-Day Design Workshop, Atlanta, GA, October 2003
144. Four-Day Design Workshop, Atlanta, GA, July 2003
145. Four-Day Design Workshop, Atlanta, GA, April 2003
146. APEC Conference, February 2003
147. Four-Day Design Workshop, Atlanta, GA, January 2003
148. Four-Day Design Workshop, Atlanta, GA, ON Semiconductor - October 2002
149. Four-Day Design Workshop, Atlanta, GA, August 2002
150. Four-Day Design Workshop, Atlanta, GA, Intersil Corp. - June 2002
151. APEC Conference, February 2002
152. Four-Day Design Workshop, Atlanta, GA, February 2002
153. Four-Day Design Workshop, Atlanta, GA, October 2001
154. One-Day Design Course, Chicago, IL, May 2001
155. One-Day Design Course, Dallas, TX, April 2001
156. One-Day Design Course, Woburn, MA, March 2001
157. One-Day Design Course, Anaheim, CA, February 2001
158. APEC Conference, February 2001
159. One-Day Design Course, Atlanta, GA, January 2001
160. One-Day Design Course, San Jose, CA, December 2000
161. Three-Day Design Course, Boston, MA, April 2000
162. APEC Conference, February 2000
163. Three-Day Design Course, Laguna Beach, CA, February 2000
164. Three-Day Design Course, Chicago, IL, September 1999
165. Three-Day Design Course, Santa Clara, CA, July 1999
166. APEC Conference, February 1999
167. Powersystems World '98, October, 1999
168. Powersystems World '98, October, 1998
169. Powersystems World '97, September, 1997
170. HFPC Powersystems Conference, Las Vegas, NV, September, 1996
171. HFPC Conference in San Jose, California, May 1995
172. PCIM Conference in Long Beach, California, September 1995
173. High-Frequency Magnetics Design Seminar, HFPC Conference, San Jose, CA, September 1995
174. High-Frequency Magnetics Design Seminar, PCIM Conference, Long Beach, CA, September 1995 
175. Three-Phase Power Factor Correction Seminar, IEEE, 1995 
176. Power Supply Design, APEC Conference, Florida, May 1995
177. Power Supply Design, HFPC Conference, San Jose, CA, April 1994
178. The Fundamentals of Power Supply Stability Seminar, HFPC Conference, Washington, May 1993 
179. Distributed Power Systems Seminar, HFPC Conference, San Diego, CA, May 1992 
180. Active Power Factor Correction Seminar, APEC Conference, Boston, MA, February 1992 
181. New Modeling Tools for PWM Converters and Current-Mode Control Workshop, HFPC Conference, Santa Clara, CA, May 1990
182. Computer Workshop: PWM Converter Modeling and Design, HFPC Conference, Santa Clara, CA, May 1990
183. Computer Workshop: PWM Converter Modeling and Design, PCIM Conference, Munich, Germany, June 1990
184. Designing Control Loops for Power Electronics Circuits, APEC Conference, Los Angeles, CA, March 1990
185. Design of High-Frequency Quasi-Resonant and Multi-Resonant Converters, APEC Conference, Baltimore, MD, March 1989
186. Speaker at the 2004 APEC Conference
187. Chairman of the IEEE PELS Atlanta, Georgia Chapter, 2004
188. Session Chairman at IEEE Power Electronics Specialists Conference, June 1990, and IEEE Applied Power Electronics Conference, 1988-1994
189. Panelist at IEEE rap session on computers in power electronics, Applied Power Electronics Conference, 1990
190. Panelist at IEEE rap session high-frequency power conversion, Power Electronics Specialists Conference, 1988
191. Reviewer for IEEE Transactions on Power Electronics and IEEE Transactions on Aerospace, 1988 to present
192. Program committee member for IEEE Power Electronics Specialists Conference, 1990 and 1991 and Applied Power Electronics Conference, 1991-1993