Power plant having a flexible firm skid
A method of operating a power plant includes generating, with one or more power generators, a total plant power. The method further includes providing a first portion of the total plant power to one or more auxiliary devices to meet an auxiliary demand. The method further includes providing a second portion of the total plant power to a flexible firm skid disposed within the power plant to meet a flexible firm demand. The method further includes providing a third portion of the total plant power to a power grid outside of the power plant to meet a grid demand. The method further includes receiving an increase in the grid demand that exceeds a power ramp rate of the one or more power generators. The method further includes adjusting an operation of the flexible firm skid to modify the flexible firm demand in response to the increase in the grid demand.
1 . A method of operating a power plant, the method comprising:
generating, with one or more power generators, a total plant power;
providing a first portion of the total plant power to one or more auxiliary devices to meet an auxiliary demand, the auxiliary demand being generated through operation of the one or more auxiliary devices, the one or more auxiliary devices being one of thermally, fluidly, or mechanically coupled to the one or more power generators;
providing a second portion of the total plant power to a flexible firm skid disposed within the power plant to meet a flexible firm demand, the flexible firm demand being generated through operation of the flexible firm skid;
providing a third portion of the total plant power to a power grid outside of the power plant to meet a grid demand;
receiving an increase in the grid demand that exceeds a power ramp rate of the one or more power generators;
adjusting a ratio of the second portion of the total power and a backup power output provided to the flexible firm skid from a backup power source based on a magnitude of the grid demand; and
adjusting an operation of the flexible firm skid to modify the flexible firm demand in response to the increase in the grid demand.
2 . The method as in claim 1 , wherein receiving an increase in the grid demand further comprises:
receiving an increase in the grid demand that is greater than 10 megawatts (MW).
3 . The method as in claim 1 , wherein the one or more power generators comprises a gas turbine, and wherein the power ramp rate of the gas turbine is between 10 megawatts per minute (MW/min) and 60 MW/min.
4 . The method as in claim 1 , wherein the one or more power generators comprises a gas turbine having a maximum rated power output, and wherein the power ramp rate of the gas turbine is between 8% per minute of the maximum rated power output and 12% per minute of the maximum rated power output.
5 . The method as in claim 1 , wherein adjusting an operation of the flexible firm skid further comprises:
reducing the flexible firm demand by adjusting the operation of the flexible firm skid in response to the increase in the grid demand.
6 . The method as in claim 1 , wherein adjusting an operation of the flexible firm skid further comprises:
reducing the flexible firm demand by an amount that is approximately equal to the increase in the grid demand adjusting the operation of the flexible firm skid in response to the increase in the grid demand.
7 . The method as in claim 1 , wherein adjusting an operation of the flexible firm skid further comprises:
eliminating the flexible firm demand by shutting off operation of the flexible firm skid in response to the increase in the grid demand.
8 . The method as in claim 1 , wherein the power plant operates within a maximum efficiency range at base load conditions, wherein the power plant generates a base load power output at the base load conditions, and wherein the method further comprises:
generating a flexible firm demand that is between 1% and 50% of the base load power output of the power plant to maintain the maximum efficiency range.
9 . The method as in claim 8 , further comprising:
reducing the flexible firm demand in response to the increase in the grid demand to maintain base load conditions of the power plant and to meet the increase in the grid demand.
10 . The method as in claim 1 , wherein the flexible firm skid includes a containerized demand sink having a digital asset disposed within a housing.
11 . A power plant comprising:
one or more power generators;
one or more auxiliary devices that is at least one of mechanically, thermally, or fluidly coupled to the one or more power generators, the one or more auxiliary devices configured to generate an auxiliary demand;
a flexible firm skid disposed within the power plant, the flexible firm skid configured to generate a flexible firm demand;
a backup power source electrically connected to the flexible firm skid;
a controller operably connected to the one or more thermal power generators, the one or more auxiliary devices, and the flexible firm skid, the controller including memory and one or more processors, the memory storing instructions that when executed by the one or more processors cause the power plant to perform one or more operations including the following:
generate, with the one or more power generators, a total plant power;
provide a first portion of the total plant power to the one or more auxiliary devices to meet an auxiliary demand;
provide a second portion of the total plant power to a flexible firm skid disposed within the power plant to meet the flexible firm demand;
provide a third portion of the total plant power to a power grid outside of the power plant to meet a grid demand;
receive an increase in the grid demand that exceeds a power ramp rate of the one or more power generators;
adjust a ratio of the second portion of the total power and a backup power output provided to the flexible firm skid from the backup power source based on a magnitude of the grid demand; and
adjust an operation of the flexible firm skid to modify the flexible firm demand in response to the increase in the grid demand.
12 . The power plant as in claim 11 , wherein in receiving the increase in the grid demand, the one or more operations further include:
receive an increase in the grid demand that is greater than 10 megawatts (MW).
13 . The power plant as in claim 11 , wherein the one or more power generators comprises a gas turbine, and wherein the power ramp rate of the gas turbine is between 10 megawatts per minute (MW/min) and 60 MW/min.
14 . The power plant as in claim 11 , wherein in adjusting an operation of the flexible firm skid, the one or more operations further include:
reduce the flexible firm demand by adjusting the operation of the flexible firm skid in response to the increase in the grid demand.
15 . The power plant as in claim 11 , in adjusting an operation of the flexible firm skid, the one or more operations further include:
reduce the flexible firm demand by an amount that is approximately equal to the increase in the grid demand adjusting the operation of the flexible firm skid in response to the increase in the grid demand.
16 . The power plant as in claim 11 , wherein in adjusting an operation of the flexible firm skid, the one or more operations further include:
eliminate the flexible firm demand by shutting off operation of the flexible firm skid in response to the increase in the grid demand.
17 . The power plant as in claim 11 , wherein the power plant operates within a maximum efficiency range at base load conditions, wherein power plant generates a base load power output at the base load conditions, and wherein the one or more operations include:
generating a flexible firm demand that is between 1% and 50% of the base load power output of the power plant to maintain the maximum efficiency range.
18 . The power plant as in claim 11 , wherein the flexible firm skid includes a containerized demand sink having a digital asset disposed within a housing.
19 . The power plant as in claim 18 , wherein the digital asset comprises at least one of data centers, digital factory equipment, and computing units.
20 . The power plant as in claim 18 , wherein the containerized demand sink is disposed within a proximity of 0 meters and 500 meters of the one or more thermal power generators.