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Elektro-Čelik d.o.o. Markovićeva 28 Križevci, Croatia. Delivery and commissioning of medium and low voltage cabinets. Calcit Gospić Factory of calcite fillers. Filling dosage machine with the raw material. Dosage machine and conveyor equipped with metal detectors and pull switch. - PowerPoint PPT Presentation
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Calcit GospićFactory of calcite fillers
Delivery and commissioning of medium and low voltage cabinets
Elektro-Čelik d.o.o.Markovićeva 28Križevci, Croatia
Filling dosage machine with the raw material.
Dosage machine and conveyor equipped with metal detectors and pull switch
Seting up a stone mill, 1.4 MW of power
Equipping the mill in the factory
Plant capacity is 100,000 tons of processed stone per year
4 silos with rail and truck access
Separation
Medium voltage switchgear, with 1250 distribution bus 10/20 kV composed of a line
feeder and three transformer fields
Shielded distribution bus 4000A between two low-voltage blocks
Preparation for reception of medium voltage transformers 2.5 MVA, 2.5 MVA, 4.7 MVA
Preparing to connect the transformer to the shielded distribution bus
Anti-vibration connectors
Fully equipped transformer station, a transformer with two secondaries
Elektro-čelik is produced around 150 pages of execution project drafting disposition of transformers, pedestals for cabinets, and penetrations in walls for rail and distribution cables
In electrical cabinets are installed 4000kg of copper
For the purposes of installing copper bars we drilled ower 5000 holes.
The largest breaker has rated current of 4000A
Installation is performed in accordance of IEC60439
All cabinets are assembled in accordance with TTA certification
After making cabinets are transported to the construction site
On site cabinets are installed and connected to the power cables
T1 T2 T3
Frequency inverters
T3T2T1
Power enclosures for 12-pulse frequency inverter of 1.4 MW
and associated fans
Last checks and programming of the measuring equipment
Cabinets for automatic compensation 2X600kVAr
Fixed compensation of idling transformer 100kVAr
Delivered electrical cabinets supplying 74 different loads
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