Function Key (Main Groups and Subgroups)
The Identification System for Power Stations "KKS" serves to identify plants, sections of plants and items of equipment in any type of power station according to task, type and location.
Examples of main groups and subgroups of the Function Key:
H
|
CONVENTIONAL HEAT GENERATION
|
HA
|
Pressure system, feedwater and steam sections
|
| HAA |
LP part-flow feed heating system (flue-gas-heated) |
| HAB |
HP part-flow feed heating system (flue-gas-heated) |
| HAC |
Economizer system |
| HAD |
Evaporator system |
| HAE |
-blocked- |
| HA... |
back → |
M
|
MAIN MACHINE SETS
|
MB
|
Gas turbine plant
|
| MBA |
Turbine, compressor rotor with common casing |
| MBB |
Turbine casing and rotor |
| MBC |
Compressor casing and rotor |
| MBD |
Bearings |
| MBE |
Coolant system for gas turbine plant |
| MB... |
|
MD
|
Wind turbine plant
|
| MDA |
Rotor (incl. hub) |
| MDB |
-blocked- |
| MDC |
-blocked- |
| MDD |
Rotor bearings |
| MD... |
back → |
P
|
COOLING WATER SYSTEMS
|
PA
|
Circulating (main cooling) water system
|
| PAA |
Extraction, mechanical cleaning for direct cooling |
| PAB |
Circulating (main cooling) water piping and culvert system |
| PAC |
Circulating (main cooling) water pump system |
| PAD |
Recirculating cooling system, outfall cooling system |
| PAE |
Cooling tower pump system (if separate) |
| PA... |
|
PB
|
Circulating (main cooling) water treatment system
|
| PBA |
Discharge from fluid treatment system |
| PBB |
Filtering, mechanical cleaning system |
| PBC |
Aeration, gas injection system |
| PBD |
Precipitation system (e.g. for carbonate hardness removal) |
| PB... |
back → |
U
|
CIVIL STRUCTUR
|
UA
|
Structures for grid and distribution systems
|
| UAA |
Switchyard structure |
| UAB |
Grid systems switchgear building |
| UAC |
Grid systems control building |
| UAD |
Structures for grid and distribution systems |
| UAE |
Structure for pneumatic control system |
| UA... |
|
UB
|
Structures for power transmission and auxiliary power supply
|
| UBA |
Switchgear building |
| UBB |
Structure for power transmission and auxiliary power supply |
| UBC |
Structure for offsite system transformers |
| UBD |
Structure for low-voltage auxiliary power transformers |
| UB... |
back → |