Air cooled condenser fogging control system

Abstract

Certain embodiments of the invention may include systems, methods, and apparatus for controlling turbine steam output. According to an example embodiment of the invention, a method is provided for controlling steam turbine output. The method can include measuring one or more temperatures or back pressures associated with one or more cells associated with a turbine cooling condenser and controlling temperature distribution of the one or more cells in response, at least in part, to the measured one or more temperatures or back pressures.

1 . A method for controlling steam turbine output, comprising:
 measuring one or more temperatures or back pressures associated with one or more cells associated with a turbine cooling condenser; and   controlling temperature distribution of the one or more cells in response, at least in part, to the measured one or more temperatures or back pressures.   
     
     
         2 . The method of  claim 1 , wherein controlling the temperature distribution comprises selectively directing steam through the one or more cells. 
     
     
         3 . The method of  claim 1 , wherein controlling the temperature distribution comprises selectively introducing coolant towards the one or more cells wherein heat from the steam is transferred by the one or more cells to the coolant, wherein selectively introducing the coolant comprises manipulating one or more nozzles in response to one or more of: temperature, humidity, back pressure, ambient wind direction, zonal temperature distribution, steam flow, parasitic load balance, or power demand. 
     
     
         4 . The method of  claim 1 , wherein controlling the temperature distribution comprises selectively forcing air towards the one or more cells wherein heat from the steam is transferred from the one or more cells to the forced air, wherein selectively forcing air comprises selectively manipulating one or more fans in response to one or more of: temperature, humidity, back pressure, ambient wind direction, zonal temperature distribution, steam flow, parasitic load balance, or power demand. 
     
     
         5 . The method of  claim 4 , further comprising selectively introducing coolant towards the one or more condensers wherein heat from the steam is transferred by the one or more cells to one or more of the coolant, the forced air, or air-entrained coolant. 
     
     
         6 . The method of  claim 5 , wherein selectively introducing coolant comprises directing the coolant towards the one or more cells and in an opposing direction of the forced air such that at least a portion of the coolant removes heat from the one or more cells. 
     
     
         7 . The method of  claim 2 , wherein selectively directing steam comprises manipulating one or more steam paths to direct the steam to one or more selected cooling cells. 
     
     
         8 . A system for controlling steam turbine output, comprising:
 a heat recovery steam generator;   a steam turbine associated with the heat recovery steam generator;   one or more condensers associated with the steam turbine, wherein the one or more condensers comprise one or more cells;   one or more sensors for measuring one or more temperature or back pressures of one or more cells,   one or more valves for directing steam to the one or more cells;   one or more nozzles for introducing coolant towards the one or more cells;   one or more fans for forcing air and coolant past and around the one or more cells; and   at least one processor configured to execute computer-executable instructions for controlling temperature distribution of the one or more cells in response, at least in part, to the to the measured one or more temperatures or back pressures.   
     
     
         9 . The system of  claim 8 , wherein controlling the temperature distribution comprises selectively directing steam through the one or more cells. 
     
     
         10 . The system of  claim 8 , wherein the one or more nozzles are further configured for selectively introducing coolant comprising water towards the one or more cells wherein heat from the steam is transferred by the one or more cells to the coolant, wherein selectively introducing the coolant comprises manipulating a valve or pump associated with the one or more nozzles in response to one or more of: temperature, humidity, back pressure, ambient wind direction, zonal temperature distribution, steam flow, parasitic load balance, or power demand. 
     
     
         11 . The system of  claim 8 , wherein the one or more fans are configured for selectively forcing air towards the one or more cells wherein heat from the steam is transferred from the one or more cells to the forced air, wherein selectively forcing air comprises selectively manipulating the one or more fans in response to one or more of: temperature, humidity, back pressure, ambient wind direction, zonal temperature distribution, steam flow, parasitic load balance, or power demand. 
     
     
         12 . The system of  claim 11 , further comprising one or more valves or pumps associated with the one or more nozzles for selectively introducing coolant comprising water towards the one or more cells such that heat from the steam is transferred by the one or more cells to one or more of the coolant, the forced air, or air-entrained coolant. 
     
     
         13 . The system of  claim 12 , wherein selectively introducing coolant comprises directing the coolant towards the one or more cells and in an opposing direction of the forced air such that at least a portion of the coolant removes heat from the one or more cells. 
     
     
         14 . The system of  claim 9 , wherein selectively directing steam comprises manipulating one or more steam paths to direct the steam to one or more selected cells or one or more condensers. 
     
     
         15 . An apparatus for controlling steam turbine output, comprising:
 one or more condensers associated with the steam turbine, wherein the one or more condensers comprise one or more cells;   one or more sensors for measuring one or more temperatures or back pressures of one or more cells;   one or more valves for directing steam to the one or more cells;   one or more nozzles for introducing coolant towards the one or more cells;   one or more fans for forcing air and coolant towards the one or more cells; and   at least one processor configured to execute computer-executable instructions for controlling temperature distribution of the one or more cells in response, at least in part, to the measured one or more temperatures or back pressures.   
     
     
         16 . The apparatus of  claim 15 , wherein controlling the temperature distribution comprises selectively directing steam through the one or more cells, wherein selectively directing steam comprises manipulating one or more steam paths to direct the steam to one or more selected cells or one or more condensers. 
     
     
         17 . The apparatus of  claim 15 , wherein the one or more nozzles are further configured for selectively introducing coolant comprising water towards the one or more cells wherein heat from the steam is transferred by the one or more cells to the coolant, wherein selectively introducing the coolant comprises manipulating a valve or pump associated with the one or more nozzles in response to one or more of: temperature, humidity, back pressure, ambient wind direction, zonal temperature distribution, steam flow, parasitic load balance, or power demand. 
     
     
         18 . The apparatus of  claim 15 , wherein the one or more fans are configured for selectively forcing air towards the one or more cells wherein heat from the steam is transferred from the one or more cells to the forced air, wherein selectively forcing air comprises selectively manipulating the one or more fans in response to one or more of: temperature, humidity, back pressure, ambient wind direction, zonal temperature distribution, steam flow, parasitic load balance, or power demand. 
     
     
         19 . The apparatus of  claim 18 , further comprising one or more valves or pumps associated with the one or more nozzles for selectively introducing coolant comprising water towards the one or more cells such that heat from the steam is transferred by the one or more cells to one or more of the coolant, the forced air, or air-entrained coolant. 
     
     
         20 . The apparatus of  claim 19 , wherein selectively introducing coolant comprises directing the coolant towards the one or more cells and in an opposing direction of the forced air such that at least a portion of the coolant removes heat from the one or more cells.