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Ultra-high voltage circuit breaker

Short-time current withstand testing

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Shankar Subramany Shankar Subramany
Head of Department High Power Laboratory, The Netherlands
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HL69 Siemens

Client
Siemens, Berlin, Germany 
Siemens manufacturered over 136,000 circuit breakers delivered to 150 countries with over 100 years of operational experience.

Object(s)
An ultra-high voltage circuit breaker, rated 1100 kV, 63 kA, 50 Hz.

Tests
Siemens successfully tested their ultra-hig voltage circuit breaker for short-time current withstand ability and capacitive current switching.

Achievement
KEMA Type Test Certificate of complete type tests.

Laboratory
KEMA Laboratories, Arnhem, the Netherlands