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Hitachi

High-Voltage and High-Power Testing Laboratory

Accredited testings and standard
Item Test specimens
Tests with local standards. Highvoltage switchgears
Arc fault test for power line materials Power cable etc.
Power fuse interruption test Fuses
Short circuit test for DC circuit breaker. High-speed DC switches
Over-current withstand test High-power semiconductors
Short circuit test for transformer. High-voltage,low-voltage transformers
Polarity reversal test HVDC equipment
Pressure relief test Arrester