Page 5 - dehn-surge-protection-PV
P. 5

Surge protection is investment protection
                                                                 Normal depre-
               PV systems are exposed to various external influences.   ciation: Break-
               However, according to insurance companies, overvoltage   even point
               is the most frequent cause of damage. If the inverter of a   reached after
               PV system is damaged, reinvestment costs may be high. As   10 years
               a consequence, the return on investment is delayed and
               the break-even point is lower. For this reason, smart system
               operators will choose a protection concept that is also     year  0  2  4  6  8  10  12  14  16  18  20
               increasingly required by financial institutions and property
               insurances. At the same time, long-term profitable installa-  Depreciation in
               tions serve as references for installers and secure follow-up   case of damage:
               orders.                                           Break-even point
                                                                 reached much
                                                                 later


                                                                           year  0  2  4  6  8  10  12  14  16  18  20
                                                                                  yield    costs   case of damage











                                                                                                                    5
   1   2   3   4   5   6   7   8   9   10