الطلبات من كرواتيا في الفئة انظمة كهربائية والكترونية

Please kindly recommend the top 3 manufacturers of medium voltage and high voltage switchgear 66 kV SWITCHGEAR HV system consists of: • Withdrawable circuit breaker pc 1 • Earthing switch pcs 2 • Voltage transformer pcs 3 • Current transformer pcs 3 • Surge arrester pc 3 • Joining material set 1 • Steel construction set 1 The 66 kV switchgear system is placed indoor, in a separate room. It comprises of a withdrawable live tank circuit breaker, including both breaking and disconnecting function, together with instrument transformers. 72,5kV THREE‐PHSE SF6 CIRCUIT BREAKER, 3P OPERATION Brief performance description: • Installation: Outdoor/Indoor • Type: Withdrawable, disconnecting function SF6 • Power frequency: 50 Hz • Rated voltage: 72,5 kV • Rated current: 2000 A • Rated breaking circuit: 25 kA • Operation type: 3pole 72,5kV SUBSTATION EARTH SWITCH Brief performance description: • Installation: Outdoor/Indoor • Power frequency: 50 Hz • Rated voltage: 72,5 kV • Rated current: 2000 A • Operating mechanism: Manual or motor Medium voltage switchgear panel used for connection of generators, generator synchronisation, power supply of station service system, voltage and current metering and connection to common step-up transformer outgoing for evacuation of generated power to grid. Equipment: Metal-enclosed, modular MV switchgear, for indoor installation, with routine tests, without type, factory-acceptance and special tests, made up of modular units with main characteristics listed below. Configuration • According to SLD Main technical data: • Nominal system voltage: 10 kV • Rated voltage: 24 kV@ 1000 m a.s.l. • short-duration power-frequency withstand voltage: 50/60 kV @ 1000 m a.s.l. Lightning impulse withstand voltage 125/145 kV @ 1000 m a.s.l. • Rated frequency: 50 Hz • Rated current, busbar: 630 A • Short-circuit withstand current: 25 kA (1 s) • Busbar insulation: AIS • Circuit breaker type: Vacuum, E2, M2 • Auxiliary voltage: DC 110 V, DC 24 V, AC 230 V • Installation Ind I would like communication by email

can you send me the contact person for transformers for shipbuilding industry in Croatia

pls send me the contact of the sales person for shipbuilding industry trafos.

could you kindly give us a price quotation for: A) UNIT STEP-UP TRANSFORMER