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trends_en | Electrical Substation | High VoltageTranslate this page 3: High voltage test of an 800 kV Pole Figure 4: High voltage test of a 400 kV Pole High-Voltage Circuit-Breakers: Trends and Recent Developments 15 | Bypass Circuit-Breaker for 800 kV DC Type tests specified for the 800 kV pole: DC voltage withstand test, dry between terminals, 600 kV, 60 min positive polarity terminal to ground, 1200 ...

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