Darrah Electric wins key ARC Furnace upgrade project for Steel Foundry.

Monday, November 22, 2010

Darrah Electric wins key ARC Furnace upgrade project for Steel Foundry.

 

Valve Rating

The present system rating is 1320 amps rms @ 44kV.

The challenge was to up-rate the system to 1500 amps using the same physical footprint and airflow.

This application uses phase control to smooth out the variability of the AC line current going

to the arc furnace transformer, thereby reducing AC line flicker. The intent of this upgrade is to

increase the reliability of the application, while up-rating it to increase furnace throughput thus

producing more steel.

 

The challenge was met head on by our Engineering team and by careful selection of improved SCR Technology and the

Thermal improvements achieved by a new Heatsink design we were able to exceed the requirements needed.

 

The install is scheduled for March 2011

 

Darrah Electric prides itself on being a key supplier/designer of Power Semiconductor assemblies for many industries.

By utilizing 3D Modeling programs and test capabilities Darrah can provide quick turn-around solutions that allows our customer

a faster time to market advantage.
 
 
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