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