Fuel-consuming power generator-based control method, control device and well-site stimulation method

A well-site stimulation method based on fuel-consuming power generators, comprising:

• selecting at least one from a plurality of first fuel-consuming power generators to form a generator stack for supplying electric energy for a well-site stimulation module, and
• distributing fuel for the generator stack;
• wherein each first fuel-consuming power generator forming the generator stack is a second fuel-consuming power generator, and distributing fuel for the generator stack comprises:
• distributing fuel with a first fuel usage amount to the generator stack;
• and
• distributing the fuel with the first fuel usage amount according to a fuel distribution ratio so as to provide fuel with a corresponding second fuel usage amount to each second fuel-consuming power generator respectively;
• and
• wherein distributing the fuel with the first fuel usage amount according to the fuel distribution ratio so as to provide the fuel with the corresponding second fuel usage amount to each second fuel-consuming power generator respectively comprises:
• obtaining an electric energy conversion efficiency of each second fuel-consuming power generator in the generator stack to obtain an electric energy conversion efficiency ratio of the second fuel-consuming power generator in the generator stack;
• using an inverse ratio of the electric energy conversion efficiency ratio of the second fuel-consuming power generator in the generator stack as the fuel distribution ratio to provide the fuel with the corresponding second fuel usage amount to each second fuel-consuming power generator.

A control device, comprising:

• a plurality of first fuel-consuming power generators, comprising at least one first fuel-consuming power generator selected to form a generator stack, each first fuel-consuming power generator forming the generator stack is a second fuel-consuming power generator;
• a first controller, configured to select at least one of the plurality of first fuel-consuming power generators to form the generator stack;
• a fuel distribution module, comprising:
• a fuel distribution pipeline, comprising a fuel distribution main pipeline and at least one fuel distribution branch pipeline that branches off from the fuel distribution main pipeline, the fuel distribution main pipeline being configured to transmit fuel with a first fuel usage amount for the generator stack;
• at least one fuel valve, provided on at least one fuel distribution branch pipeline and configured to distribute fuel to each second fuel-consuming power generator in the generator stack;
• a second controller, configured to control a valve opening degree of each fuel valve, so as to control to distribute the fuel with the first fuel usage amount according to a fuel distribution ratio to provide fuel with a corresponding second fuel usage amount to each second fuel-consuming power generator respectively;
• wherein distributing the fuel with the first fuel usage amount according to the fuel distribution ratio so as to provide the fuel with the corresponding second fuel usage amount to each second fuel-consuming power generator respectively comprises:
• obtaining an electric energy conversion efficiency of each second fuel-consuming power generator in the generator stack to obtain an electric energy conversion efficiency ratio of the second fuel-consuming power generator in the generator stack;
• using an inverse ratio of the electric energy conversion efficiency ratio of the second fuel-consuming power generator in the generator stack as the fuel distribution ratio to provide the fuel with the corresponding second fuel usage amount to each second fuel-consuming power generator.