logging in or signing up DISTRIBUTED CONTROL SYSTEM shivajichoudhury Download Post to : URL : Related Presentations : Let's Connect Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 30277 Category: Science & Tech.. License: All Rights Reserved Like it (26) Dislike it (8) Added: June 24, 2008 This Presentation is Public Favorites: 22 Presentation Description No description available. Comments Posting comment... By: sonicvn (28 month(s) ago) Thank Sir so much !!! Saving..... Post Reply Close Saving..... Edit Comment Close By: sravanas (29 month(s) ago) Dear sir, i want to know the dcs in detail , i would like to make my carrier in dcs. pls help me in this regard by sending a link of ur presentation and other related too. my mail id is firstname.lastname@example.org Regards, Sravan Kumar M.Tech., Saving..... Post Reply Close Saving..... Edit Comment Close By: mahisaurabh (29 month(s) ago) sir plz send me a link of your presention my id is email@example.com Saving..... Post Reply Close Saving..... Edit Comment Close By: rishi37 (30 month(s) ago) please send me a link of this presentation my id is firstname.lastname@example.org Saving..... Post Reply Close Saving..... Edit Comment Close By: oagrawal (30 month(s) ago) Dear Mr. Choudhury, Could you please send me a copy of your power point presentation? I'd appreciate. I really liked it. Thanks, Om Agrawal Saving..... Post Reply Close Saving..... Edit Comment Close loading.... See all Premium member Presentation Transcript DISTRIBUTED CONTROL SYSTEM ( DCS ) FOR THERMAL POWER PLANT : DISTRIBUTED CONTROL SYSTEM ( DCS ) FOR THERMAL POWER PLANT SHIVAJI CHOUDHURY OBJECTIVE OF DISTRIBUTED CONTROL SYSTEM(DCS) : DCS OBJECTIVE OF DISTRIBUTED CONTROL SYSTEM(DCS) Safe operation of plant Lowest cost of generation Longest equipment life Minimum environmental effect Maximum efficiency Energy conversation BENEFITS OF DCS : DCS BENEFITS OF DCS High reliability Improved response time Improve operator interface to plant Improve accessibility of plant data to engineering & management personals Historical storage and retrieval system DCS HARDWARE : DCS DCS HARDWARE Controller card Input cards (4-20mA, Thermocouple, RTD,Digital,SOE). Output cards(4-20 mA ,digital) Power supply module. Communication card Cables Controller with input/output card MAN MACHINE INTERFACE : DCS MAN MACHINE INTERFACE CRT/TFT MONITOR (OPERATOR WORK STATION) LVS (Large Video Screen) PRINTER DCS Architecture : DCS DCS Architecture OPERATOR WORK STATION : DCS OPERATOR WORK STATION Alarm monitoring Mimic /graphic display Trend display Operator guidance display System & diagnostic display Control Bar chart Sequence display Fault analysis display DISPLAY-mimic : DCS DISPLAY-mimic DISPLAY-mimic : DCS DISPLAY-mimic TRENDING : DCS TRENDING LOGS / SUMMARIES / REPORTS : DCS LOGS / SUMMARIES / REPORTS EVENT ACTIVATED LOGS -.alarm log ,trip analysis log, start up log TIME ACTIVATED LOGS-shift log, daily log OPERATOR DEMAND LOGS- summary log, performance log, maintenance log SEQUENCE OF EVENTS LOG REPORTS : DCS REPORTS AUTO CONTROL LOOP : DCS AUTO CONTROL LOOP Coordinated control Total air control Super/reheater temperature control Mill out temperature control Hot well/heater /deaerator level control Drum level control Furnace draft control INTERLOCK & PROTECTION : DCS INTERLOCK & PROTECTION Interlock & protection are used for safe startup /operation /shutdown /trip /of any equipment or auxiliaries, e.g. CW pump, ID Fan , FD fan, BFP, CEP, Mill ,PA FAN Heater Valve & drains BOILER CONTROLS : DCS BOILER CONTROLS Burner management system Secondary air damper control Aux pressure desuper heating system Soot blower control Hp by pass TURBINE CONTROL SYSTEM : DCS TURBINE CONTROL SYSTEM Turbine governing system Turbine protection Automatic turbine run up system Turbine stress controller Lp bypass Sequence controls for turbine driven BFP Generator aux monitoring PERFORMANCE CALCULATION : DCS PERFORMANCE CALCULATION Boiler efficiency Turbine HP/IP/LP turbine Feed heaters Deaerator Condenser Air preheater Unit heat rate TYPICAL DCS OF 500 MW UNIT : DCS TYPICAL DCS OF 500 MW UNIT No of inputs 13750 No of outputs 7250 Operator Work Station 8 Large Video Screen 5 THANKS : DCS THANKS You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.