Page 599 - Corrosion Engineering Principles and Practice
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562    C h a p t e r   1 3                                                                                                        C a t h o d i c   P r o t e c t i o n    563





























                      FIGURE 13.28  Five 300 ampere marine oil cooled rectifiers supported by an
                      automatic dewatering oil spill containment pan. (Courtesy of Dean Rookes,
                      West Coast Corrosion Prevention Ltd.)

                                                      AC supply
                                                              Circuit breaker


                        Saturable
                       core reactor




                                                                   Transformer
                          Electronic
                          controller
                                               (1)           (2)
                                                         (B)
                                                     (C)        V
                                                                      Ground
                                                         A

                                                Rectifier
                      Pipe                       stack  Shunt  To groundbed
                                      Reference
                                      electrode


                      FIGURE 13.29  Typical constant potential rectifier diagram.
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