© by SEMIKRON / 2017-09-07 / Technical Explanation / SKiiP
4
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Figure 4.3: Implementation of additional basic isolation between SKiiP
®
4 driver interface and
controller board
Finally, the installation altitude of the SKiiP 4 depends on:
• Grid configuration (star grounded grid, delta grounded grid)
• The voltage level of the line to earth voltage (rated isolation voltage)
• The overvoltage category (II or III)
• Whether safety isolation is required or not