Power generation system capable of improving efficiency and use method thereof

Abstract

The invention discloses a power generation system capable of improving efficiency, and the system comprises an energy feedback type double-circulation topological structure which comprises an energy internal circulation module and an electric power external transmission module. The energy internal circulation module comprises a prime mover unit and a first power generation unit connected with the prime mover unit to form an energy closed loop, and the power delivery module comprises a second power generation unit driven by the shaft end of the first power generation unit; the power output end of the second power generation unit is connected to a mains supply network, and the power input end of the prime motor unit is connected with the rectification output end of the first power generation unit to form a power supply loop. Compared with the prior art, the power generation system capable of improving the efficiency and the using method thereof have the advantages that transformation and application are convenient, and the energy utilization rate is increased.

Description

Technical Field

[0001] The present invention relates to the technical field of power generation systems, and specifically refers to a power generation system for improving efficiency and its usage method. Background Art

[0002] Traditional power generation enterprise projects are facing more severe problems of survival of the fittest and more stringent requirements for coal consumption and energy consumption indicators. Improving power generation efficiency and reducing energy loss for energy conservation have become two major pain points for traditional power enterprises.

[0003] Currently, clean energy power generation is mostly used, including water turbines and wind turbines. However, the above power generation applications mostly rely on the natural environment, and there may be situations where the power generation is unstable. At the same time, the single energy cycle structure results in low energy utilization rate, reducing its power generation efficiency. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a power generation system for improving efficiency and its usage method that is convenient for retrofit applications and increases energy utilization.

[0005] To solve the above technical problem, the technical solution provided by the present invention is: A power generation system for improving efficiency, the system includes an energy feedback dual-cycle topology structure, including an energy internal cycle module and a power external transmission module;

[0006] The energy internal cycle module includes a prime mover unit and a first power generation unit connected to the prime mover unit to form an energy closed loop. The power external transmission module includes a second power generation unit driven by the shaft end of the first power generation unit;

[0007] The power output end of the second power generation unit is connected to the mains power network, and the power input end of the prime mover unit is connected to the rectified output end of the first power generation unit to form a power supply loop.

[0008] Preferably, the prime mover unit includes any one of a drive motor, a water turbine, and a turbine.

[0009] Preferably, an auxiliary power component is further connected to the power input end of the prime mover unit, and the auxiliary power component includes an external power unit connected to the prime mover unit.

[0010] Preferably, an inertial energy storage transmission unit is connected between the prime mover unit and the first power generation unit;

[0011] The prime mover unit, the inertial energy storage transmission unit, the first power generation unit, and the second power generation unit are all connected through a variable speed coupling.

[0012] Preferably, the inertial energy storage transmission unit is a flywheel connected to the main shaft end of the prime mover unit.

[0013] On the other hand, the present invention discloses a power generation method for improving efficiency, comprising the following steps:

[0014] S1: Start the prime mover unit to drive the first power generation unit and establish a self-excited power supply loop;

[0015] S2: Activate the flywheel effect of the inertial energy storage transmission unit to maintain the balance application of rotational kinetic energy - electric energy;

[0016] S3: Output power through the second power generation unit based on the mains load;

[0017] S4: When the power of the first power generation unit is insufficient, supply power through the auxiliary power component to drive the prime mover unit for power output.

[0018] Preferably, in S3, it includes connecting to a grid-connected inverter for control.

[0019] Preferably, in S4, it includes supplying power to the first power generation unit and the auxiliary power component based on multi-source power distribution.

[0020] The advantages of the present invention compared with the prior art are as follows: In the present invention, it is applied through system start-stop control and dynamic regulation, and the mechanical energy is reused by cooperating with the installed module structure and the prime mover unit, improving the energy utilization rate, including the constructed power supply loop and power output, thereby improving the energy utilization efficiency of the prime mover unit and being easy to promote and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a schematic structural diagram of a power generation system for improving efficiency.

[0022] Figure 2 is a schematic diagram of the use of the present invention.

[0023] BRIEF DESCRIPTION OF THE DRAWINGS: 1, prime mover unit; 2, inertial energy storage transmission unit; 3, first power generation unit; 4, second power generation unit. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following further describes the present invention in detail with reference to the drawings.

[0025] Combined with the attached Figure 1-2 As shown, a power generation system for improving efficiency, the system includes an energy feedback dual-cycle topology structure, including an energy internal cycle module and a power external transmission module.

[0026] In actual use, the energy internal circulation module includes a prime mover unit and a first power generation unit connected to the prime mover unit to form an energy closed loop. The power external transmission module includes a second power generation unit driven by the shaft end of the first power generation unit, and the power output end of the power generation unit is connected to the municipal power grid. The power input end of the prime mover unit is connected to the rectified output end of the first power generation unit to form a power supply loop.

[0027] When the present invention is specifically implemented,

[0028] It includes the following steps:

[0029] S1: Start the prime mover unit to drive the first power generation unit and establish a self-excited power supply loop;

[0030] S2: Activate the flywheel effect of the inertial energy storage transmission unit to maintain the balance application of rotational kinetic energy - electric energy;

[0031] S3: Output power through the second power generation unit based on the municipal power load;

[0032] S4: When the power of the first power generation unit is insufficient, supply power through the auxiliary power component to drive the prime mover unit for power output.

[0033] In one embodiment:

[0034] The prime mover unit includes any one of a drive motor, a water turbine, and a turbine, and can be driven solely by the drive motor, or installed in a hydropower or wind power station, connected to the water turbine or turbine, and perform mechanical energy power output through it. The first power generation unit and the second power generation unit perform the reuse of mechanical energy.

[0035] In use, an auxiliary power component is also connected to the power input end of the prime mover unit. The auxiliary power component includes an external power unit connected to the prime mover unit to prevent power shortage and ensure that the first power generation unit cannot effectively supply power to the prime mover unit. The external power unit is used for auxiliary power supply drive to ensure the power generation efficiency.

[0036] In actual use, in order to reduce interference, an inertial energy storage transmission unit is connected between the prime mover unit and the first power generation unit;

[0037] The prime mover unit, the inertial energy storage transmission unit, the first power generation unit, and the second power generation unit are all connected by a variable speed coupling.

[0038] The inertial energy storage transmission unit is a flywheel connected to the main shaft end of the prime mover unit. When outputting power through the second power generation unit based on the municipal power load, it includes connecting to a grid-connected inverter for control. When the auxiliary power component is in use, it includes power supply for the first power generation unit and the auxiliary power component based on multi-source power distribution.

[0039] The prime mover unit generates rectified electric energy through the first power generation unit, while the flywheel stores energy and maintains the rotational speed, and outputs alternating current through the grid-connected inverter of the second power generation unit.

[0040] The rotational speed of the flywheel is collected in real time for subsequent power supply of the external power unit of the prime mover unit. When the power is insufficient, the external power unit is connected to supply power.

[0041] The auxiliary power component can be selected for photovoltaic energy storage.

[0042] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0043] The scope of protection of the present invention is defined by the appended claims and their equivalents. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0044] Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the scope of protection of the present invention.

[0045] In the present invention, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include indirect contact between the first and second features through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0046] The above description of the present invention and its embodiments is not restrictive. What is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Generally speaking, if those of ordinary skill in the art are inspired by it and design similar structural modes and embodiments without creative efforts without departing from the spirit of the present invention, they shall fall within the scope of protection of the present invention.

Claims

1. A power generation system for improving efficiency, characterized in that: The system includes an energy feedback dual - loop topology structure, which includes an energy internal - loop module and a power external - transmission module; The energy internal - loop module includes a prime - mover unit and a first power - generation unit connected to the prime - mover unit to form an energy closed - loop. The power external - transmission module includes a second power - generation unit driven by the shaft end of the first power - generation unit; The power output end of the second power - generation unit is connected to the mains power network, and the power input end of the prime - mover unit is connected to the rectified output end of the first power - generation unit to form a power - supply loop.

2. The power generation system for improving efficiency according to claim 1, characterized in that: The prime - mover unit includes any one of a drive motor, a water turbine, and a turbine.

3. A power generation system for improving efficiency according to claim 1 or 2, characterized in that: An auxiliary power component is further connected to the power input end of the prime - mover unit. The auxiliary power component includes an external power unit connected to the prime - mover unit.

4. The power generation system for improving efficiency according to claim 3, characterized in that: An inertial energy - storage transmission unit is connected between the prime - mover unit and the first power - generation unit; The prime - mover unit, the inertial energy - storage transmission unit, the first power - generation unit, and the second power - generation unit are all connected through a variable - speed coupling.

5. The power generation system for improving efficiency according to claim 4, characterized in that: The inertial energy - storage transmission unit is a flywheel connected to the main shaft end of the prime - mover unit.

6. A power generation method for improving efficiency, applied to a power generation system for improving efficiency according to any one of claims 1-5, characterized in that: It includes the following steps: S1: Start the prime - mover unit to drive the first power - generation unit and establish a self - excited power - supply loop; S2: Activate the flywheel effect of the inertial energy - storage transmission unit to maintain the balance application of rotational kinetic energy - electric energy; S3: Output power through the second power - generation unit based on the mains load; S4: When the power of the first power - generation unit is insufficient, supply power through the auxiliary power component to drive the prime - mover unit for power output.

7. A power generation method for improving efficiency according to claim 6, characterized in that: In S3, it includes accessing a grid - connected inverter for control.

8. A power generation method for improving efficiency according to claim 6, characterized in that: In S4, it includes supplying power to the first power - generation unit and the auxiliary power component based on multi - source power distribution.

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