Chilled intake air for increased power generation
A mobile source of electricity is converted from a transportation mode to an operational mode. A turbine disposed on the mobile source of electricity is operated to generate electricity in the operational mode. A first control valve is operated to feed a cooling agent from a cooling agent source into a heat transfer apparatus disposed in an air intake flow path of the turbine to cool intake air. A second control valve is operated to vent from the heat transfer apparatus, the cooling agent that is heated by absorbing heat from the intake air flowing through the air intake flow path. A controller controls the first and second control valves to maintain the cooling agent having predetermined properties in the heat transfer apparatus.
1. A method comprising:
connecting, via a first connection, an outlet of an air inlet filter housing mounted to a frame of a first transport to an inlet plenum of a gas turbine mounted to a frame of a second transport, the second transport being separate from the first transport, wherein an air intake flow path for the gas turbine extends from the air inlet filter housing on the first transport, to the inlet plenum of the gas turbine on the second transport, via the first connection;
cooling intake air flowing in the air intake flow path to the gas turbine by feeding a cooling agent into a heat transfer apparatus disposed in the air inlet filter housing on the first transport; and
filtering cooled intake air in the air intake flow path with a filter disposed in the first connection.
2. The method according to claim 1 , wherein feeding the cooling agent into the heat transfer apparatus comprises:
feeding the cooling agent from a cooling agent source into the heat transfer apparatus by operating a first control valve;
venting the cooling agent, heated by absorbing heat from the intake air flowing through the air intake flow path, from the heat transfer apparatus by operating a second control valve; and
maintaining predetermined properties of the cooling agent in the heat transfer apparatus by controlling the first and second control valves.
3. The method according to claim 2 , further comprising:
receiving sensor data from a plurality of sensors indicating one or more of: (i) an ambient air temperature at an upstream end of the air intake flow path, (ii) an elevation of the first and second transports, (iii) a pressure level of the cooling agent that is in the heat transfer apparatus and that is heated by absorbing the heat from the intake air, (iv) air temperature of filtered and cooled intake air entering the gas turbine at a downstream end of the air intake flow path, (v) a temperature of the cooling agent in the heat transfer apparatus, (vi) current power output from the gas turbine, (vii) a load demand metric associated with the gas turbine, and (viii) a humidity level of the ambient air,
wherein controlling the first and second control valves comprises controlling the first and second control valves based on the sensor data.
4. The method according to claim 1 , wherein feeding the cooling agent into the heat transfer apparatus comprises feeding liquid nitrogen into the heat transfer apparatus.
5. The method according to claim 1 , wherein cooling the intake air to the gas turbine comprises contacting the intake air with one or more finned metal tubes of the heat transfer apparatus disposed in the air intake flow path and absorbing heat with the cooling agent in the one or more finned metal tubes from the intake air flowing in the air intake flow path.
6. The method according to claim 1 , further comprising preventing debris in the air intake flow path from entering an intake of the gas turbine by filtering the cooled intake air in the air intake flow path with the filter disposed in the first connection.
7. The method according to claim 1 , further comprising:
connecting, via a second connection, an exhaust stack mounted to the frame of the first transport to an exhaust collector of the gas turbine mounted to the frame of the second transport.
8. An inlet and exhaust transport comprising:
an air inlet filter housing including a pre-filter to filter ambient air;
a heat transfer apparatus disposed in the air inlet filter housing to cool filtered ambient air;
an expansion connection that is coupled to an outlet of the air inlet filter housing at a first end of the expansion connection, the expansion connection being adapted to be coupled at a second end thereof to an inlet plenum of a gas turbine, wherein the inlet plenum and the gas turbine are mounted to a separate power generation transport that is external to the inlet and exhaust transport; and
a post-filter disposed in the expansion connection to filter cooled ambient air and output intake air to the gas turbine mounted to the separate power generation transport.
9. The inlet and exhaust transport according to claim 8 , further comprising:
a controller configured to control flow of a cooling agent in the heat transfer apparatus to cool the filtered ambient air;
a first control valve in communication with the controller and being operable to control a first rate at which the cooling agent is fed from a cooling agent source into the heat transfer apparatus; and
a second control valve in communication with the controller and being operable to control a second rate at which the cooling agent, heated by absorbing heat from the filtered ambient air, is vented out from the heat transfer apparatus;
wherein the controller controls the first and second control valves to maintain the cooling agent having predetermined properties in the heat transfer apparatus.
10. The inlet and exhaust transport according to claim 9 , further comprising:
one or more sensors for sensing one or more of: (i) an ambient air temperature at an upstream end of an air intake flow path defined by the air inlet filter housing and the expansion connection, (ii) an elevation of the inlet and exhaust transport, (iii) a pressure level of the cooling agent that is in the heat transfer apparatus and that is heated by absorbing the heat from the filtered ambient air, (iv) air temperature of the intake air entering the gas turbine at a downstream end of the air intake flow path, (v) a temperature of the cooling agent in the heat transfer apparatus, (vi) current power output from the gas turbine, (vii) a load demand metric associated with the gas turbine, and (viii) a humidity level of the ambient air,
wherein the controller controls the first and second control valves to maintain the cooling agent having the predetermined properties based on data sensed by the one or more sensors.
11. The inlet and exhaust transport according to claim 8 , wherein the cooling agent is liquid nitrogen.
12. The inlet and exhaust transport according to claim 8 , wherein the heat transfer apparatus comprises one or more finned metal tubes adapted to contact with and absorb heat from the filtered ambient air.
13. The inlet and exhaust transport according to claim 8 , further comprising an exhaust stack, wherein:
in an operational mode, the outlet of the air inlet filter housing is connected to the inlet plenum of the gas turbine mounted to the separate power generation transport via the expansion connection, and the exhaust stack is connected to an exhaust collector of the gas turbine mounted to the separate power generation transport via a second expansion connection.
14. A system for handling cooling intake air into an intake of a for a mobile turbine generating electricity, the system comprising:
a first transport including a first frame, and an air inlet filter housing and an exhaust stack mounted to the first frame, wherein the air inlet filter housing includes:
an ambient air filter filtering ambient air;
a heat transfer apparatus for absorbing heat from filtered ambient air to produce cooled ambient air for the mobile turbine; and
a second transport including a second frame, and an inlet plenum, the mobile turbine and an exhaust collector mounted to the second frame;
wherein the first and second transports are adapted to be coupled to each other in an operational mode via at least a first connection, and wherein the first and second transports are adapted to be uncoupled and separated from each other in a transportation mode;
wherein the first connection in the operational mode couples an outlet of the air inlet filter housing mounted on the first transport to the inlet plenum of the mobile turbine mounted on the second transport; and
wherein the first connection includes a debris filter to filter the cooled ambient air and output intake air for the mobile turbine.
15. The system of claim 14 , further comprising:
a controller for controlling the heat transfer apparatus;
a first control valve in communication with the controller and being operable to control a first rate at which a cooling agent is fed from a cooling agent source into the heat transfer apparatus; and
a second control valve in communication with the controller and being operable to control a second rate at which the cooling agent, heated by absorbing heat from the filtered ambient air, is fed out of the heat transfer apparatus.
16. The system of claim 15 , wherein the controller controls the first and second rates based on at least one sensed property sensed by at least one sensor, the at least one sensed property comprising one or more of: (i) a first temperature of the ambient air, (ii) an elevation of the mobile turbine, (iii) a pressure level of the cooling agent in the heat transfer apparatus, (iv) a second temperature of the intake air entering the mobile turbine, (v) a third temperature of the cooling agent in the heat transfer apparatus, (vi) a current power output from the mobile turbine, and (vii) a load demand metric associated with the mobile turbine.
17. The system of claim 15 , wherein the second control valve is disposed in communication with the environment.