general KPIs of Thermal Power Station Coal fired PF & CFCB

1. Coal Fired TPS Performance
aspects KPIs
Prepared by
Udhaya kumar BV
Consultant Power Plants
Jindal SAW Pvt Limited

2. Performance Parameters in Coal Fired TPS
w r to design
SH and RH Spray
quantity @ MCR and
at different % of MCR
w r to design
• Main CT Approach/ Range / Cooling
Tower effectiveness / Water Chemistry
to avoid algae growth/ Corrosion
w r to design
Firing : Excess O2%
CO & NOx in ppm; Secondary
Combustion
Flame length, 3Ts , CFCB Bed
Height, Blending of Coal
Domestic & Imported /
Dolochar/ Rice husk/ Char
fines / washery rejects /
Wooden pellets etc
w r to design
Condenser ITD/TTD/LMTD/DP/Air
ingress/ Fouling factors/
Condenser effectiveness &
Efficiency/ Condensate Sub
Cooling

3. Performance Parameters in Coal Fired TPS
w r to design
Fuel Quality,
Quantity , Fineness,
Grindability Index,
w r to design
• Main Steam Temp/ Pressure/
Mass Flow / Pinch Point &
Approach verification & deviation
w r to design
Firing : Excess O2%
CO & NOx in ppm;
Secondary Combustion
Flame length, 3Ts , RH, Dyr
Bulb temperature
w r to design
Primary Air velocity/ Quantity/
Fludisation velocity / Secondary
Air Balanced Flow to the Burners
with 10% difference/ Mills Coal
flow balanced 10%

4. Performance Parameters in Coal Fired TPS
w r to design
ESP Performance Efficiency/
Bottom ash%/ LOI/ Exit FG
losses / Insulation radiation
losses /Moisture in Coal
losses / H2 Losses / APH
efficiency losses / Mill &
Crusher rejects
w r to design
Feed water Heaters
TTD/DCA/Delta
Temp/Delta Pressure
/LMTD
ST Extraction temp/Pressure /
Flow
w r to design & Best
Practices
APC / Emission / Sound
Level / Heat Rate/
Availability / Forced
Outage% /
w r to design & Best O&M Practices
DM Water quality/ Main CW Quality/
ACW Quality/ SWAS limits/ DO2
Limits/ Sulphur & Cold end corrosions
/ NOx /SOX/SPM 2.5 &10/ Chimney
Exit velocity/ Hg / Arsenic/ Lead/
Antimony/ etc

5. Performance Parameters in Coal Fired TPS
w r to design / Best O&M Practices/ Initial feasibility &
Cost sensitivity reports
Cost of Generation /KWh
Cost of Maintenance /KWh
Transmission & Distribution losses ( Transmission Conductor / Xer/ Energy
meters accuracy/ CTs/PTs/ EMVTs/ CVTs)/ Obsolete Inventory losses /
Man Power Attrition Losses / Incident & accident related losses /
Reputation Losses due to Imperfect Policies / Fuel transit & delayed
supply/ penalties losses/ Billing efficiency losses / Trading related losses
/ CSR expenses excess than mandatory / strike & local disturbance /
liasioning expenses exceeding limits/ New statutory fees , regulatory
bodies / surcharges, taxes , duties / Generator efficiency / Lighting
use energy efficient motors/ LED Lamps / Idle transformer losses / over
rated drives/ No VFDs / throttling losses / Leakage losses / Etc
One Unit of energy saved two Units of energy
generated