Generator load control
First Claim
1. A method for controlling a load bank comprising:
- providing a power system for running one or more electrically driven devices using a power load defining an active load when in operation, the power system including;
one or more generators, each generator having a minimum efficient load rating, each generator electrically coupled to the electrically driven device;
the load bank, the load bank electrically coupled to the generator and positioned to provide a power load defining a passive load on the generator when engaged; and
a controller positioned to engage the load bank and activate the passive load;
calculating a total minimum generator load of the one or more generators by multiplying the minimum efficient load rating by the number of generators;
calculating a total power demand of the one or more electrically driven devices;
calculating, from the total minimum generator load and the total power demand, a load bank power demand; and
engaging the load bank with the controller to provide passive load to the generators generally equal to the load bank power demand.
1 Assignment
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Accused Products
Abstract
A power system for an electrical system with highly fluctuating loads is powered by one or more power sources that are slow to react to load changes. The power sources are connected to electrical equipment used on the drill rig which provide active load to the generators. One or more load banks may be positioned to provide passive load to the generators to maintain generally constant generator load, while allowing for instant access to power as active load increases. Generators may be run at 100% capacity, a maximum efficient capacity, or at a high enough level to allow for a sufficiently rapid increase in power output. At least one parameter of a drilling operation may be utilized to anticipate load demand changes.
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Citations
10 Claims
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1. A method for controlling a load bank comprising:
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providing a power system for running one or more electrically driven devices using a power load defining an active load when in operation, the power system including; one or more generators, each generator having a minimum efficient load rating, each generator electrically coupled to the electrically driven device; the load bank, the load bank electrically coupled to the generator and positioned to provide a power load defining a passive load on the generator when engaged; and a controller positioned to engage the load bank and activate the passive load; calculating a total minimum generator load of the one or more generators by multiplying the minimum efficient load rating by the number of generators; calculating a total power demand of the one or more electrically driven devices; calculating, from the total minimum generator load and the total power demand, a load bank power demand; and engaging the load bank with the controller to provide passive load to the generators generally equal to the load bank power demand. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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Specification