Mining Explosion-evidence Large-voltage vacuum Elctromagnetic CZPTter is used in coal mines&time period

Mining Explosion-proof Substantial-voltage vacuum Elctromagnetic CZPTter
Rated voltage&colon 10&lpar6&rparKV
Rated present&colon one hundred&sol150&sol200&sol250&sol300&sol400&lparA&rpar
Rated frequency&colon 50Hz
Rated brief-circuit breaking current&colon 12&period5KA
Allowed running frequency&colon three hundred moments&solhr&period of time The solution is used in coal mines that contains explosive gas&lparmethane&rpar and coal dust&interval In the 3-section isolated neutral electrical power supply technique with rated voltage ten kv or 6kv&comma frequency 50Hz&comma rated recent 50A~400A&interval The system can be utilized as the frequent begin-up higher-voltage motors and the electrical equipments’ switches of management&comma safety and measurement&time period