APPLICATION: 49.9 MW Fluidized Bed Boiler Cogeneration Plant

COMMERCIAL OPERATION: November 1987

49.9 MW Waste Coal Fired Cogeneration Plant.

Plant consists of the following systems that are controlled via the Distributed Control System.

(2) Bubbling Fluidized Bed Boilers (Combustion Power Co.) 50 KPPH, 1500 PSIG, 1000F

Steam Turbine Generator (Mitsubishi) – Limited Control

Electrical System Monitoring

Water Treatment System

Combustion Control

Export Steam Systems @ 40 KPPH, 175 PSIG

All Balance of Plant Systems - Condensate, Feedwater, Circ.Water, Mechanical Auxiliaries, etc.

Leeds+Northrup MAX 1 DCS with the following components:

(2) Operator Stations

(2) Operator Station Second Screens

(6) Auto Backup Controller File Pairs

(2) Single Controller Files

(5) Remote cabinets to handle specific areas of the plant

2484 Total I/O Supplied: 420 AI 112 AO 160 TC 100 RTD 1312 DI 480 DO

Boiler Monitoring Console supplied by ACS which includes programmable Recorders

One (1) Common Allen-Bradley Data Link to:

(2) Flue Gas Baghouses (Research - Cotrell)

(1) Ash Handling System and

(1) Coal Silo