426 South Main Street
Pittsburgh PA, 15220
Phone No.: (412) 921-3226
Fax No.: (412) 921-9660

INSTALLATION DESCRIPTION BRIEF

INDUSTRY: Electric Utility

APPLICATION: Coal Handling

COMMERCIAL OPERATION:  October 2000

TENNESSEE VALLEY AUTHORITY (TVA)

CONDITIONING BUILDING

PARADISE FOSSIL PLANT

Drakesboro, Kentucky, USA

DESCRIPTION:

This is an addition to the current coal handling facilities and the previous ACS project for the automated tripper controls.  Paradise’s new coal conditioning system is designed to provide supplemental coal conditioning capability and capacity.  This system is integrated with the existing system by diverting coal that is fed into the current conditioning building, crushing the coal, and then transporting the crushed coal into the facility.  The new system consists of 4 diverter gates, 3 belt conveyors, 2 feeders, and 2 crushers.

CONTROL EQUIPMENT:

Modicon “Quantum” Series PLC with the following components:

            Hot standby CPU’s

                   MODBUS Plus data highway

            404 Total I/O Supplied:  40 AI  20 AO  272 DI  64 DO  8 TC

Used the existing -

Gateway 2000, Control Room NT PC with Intellution FIX32 HMI graphics package,

Modicon “Concept” programming software and 20” touchscreen. 

SPECIAL FEATURES:

            Interface to new Toshiba drives, with all of the drive data being displayed

on the HMI graphics.