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Start-up and power supply control system for diesel generators

A technology of diesel generators and diesel generator sets, which is applied in the direction of generator control components, control systems, control generators, etc., and can solve problems such as high fuel consumption, large vibration, and insufficient diesel combustion

Active Publication Date: 2020-12-15
CHONGQING SANYA ELECTRICAL APPLIANCE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, an air conditioner with an input power of 3KW usually needs to be equipped with a diesel generator set with a rated power of 3.5KW-4KW to avoid overloading the diesel generator set; The investment is reduced, and after the air conditioner and other loads run stably, the required power is small, which leads to the long-term operation of the diesel generator set at low power, low efficiency, large vibration, high noise, severe mechanical wear, and shortened life.
Moreover, the fuel consumption of diesel generator sets is high at low speed, which may easily lead to insufficient combustion of diesel oil, black smoke, and environmental pollution.

Method used

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  • Start-up and power supply control system for diesel generators
  • Start-up and power supply control system for diesel generators
  • Start-up and power supply control system for diesel generators

Examples

Experimental program
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Effect test

Embodiment 1

[0044] Such as figure 1 As shown, it is used for the start-up and power supply control system of diesel generators, including diesel generator sets, intelligent power conditioners, sampling units and control units.

[0045] The diesel generator set includes a diesel engine and a digital frequency conversion generator, and the power of the diesel engine drives the digital frequency conversion generator to rotate and generate electricity. The intelligent power conditioner includes a lithium battery pack or a super capacitor. In this embodiment, the lithium battery pack is used to store the electric energy generated by the digital frequency conversion generator. Smart power conditioners also include conditioning modules. The conditioning module includes a filter circuit, a rectification circuit and a voltage conversion circuit. The filter circuit is used to filter the alternating current output by the digital variable frequency generator; the rectifier circuit is used to rectif...

Embodiment 2

[0053] Such as figure 2 As shown, the start-up and power supply control system used for diesel generators differs from the first embodiment in that it includes a frame 2, a diesel engine 1 and a digital frequency conversion generator installed in the frame 2; it also includes a battery, an empty Filters, mufflers, fuel tanks and smart power conditioners. Storage battery is lead-acid storage battery in the present embodiment.

[0054] The diesel engine 1 includes an exhaust port; the battery is fixed on the frame 2 on one side of the diesel engine 1 by bolts; the muffler is fixed on the frame 2 above the diesel engine 1 by bolts, and the muffler is welded to the exhaust port of the diesel engine 1; the fuel tank is fixed by bolts On top of rack 2.

[0055] Such as image 3 As shown, the frame 2 includes two rectangular frames 3 and a connecting plate 4 connecting the rectangular frames 3, and the connecting plate 4 is located at the bottom of the rectangular frame 3. The c...

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Abstract

The invention relates to the technical field of diesel generators and specifically discloses a start and power supply / backup power supply control system for the diesel generators. The system comprisesan intelligent power supply conditioner which is used for conditioning and storing electric energy generated by the diesel generator set; a sampling unit which is connected with the diesel generatorand is used for obtaining an electrical characteristic value of an output end of a diesel generator set; and a control unit which is used for judging whether the electrical characteristic value of theoutput end of the diesel generator set obtained by the sampling unit satisfies a preset output stable value or not. If the electrical characteristic value does not satisfy the preset output stable value, the control unit controls the intelligent power supply conditioner to store the electric energy generated by the diesel generator set. If the electrical characteristic value satisfies the presetoutput stable value, the control unit controls the intelligent power supply conditioner to externally output the electric energy. Through adoption of the technical scheme provided by the invention, anoutput power matches with a rated power of a load.

Description

technical field [0001] The invention relates to the technical field of diesel generators, in particular to a start-up and power supply and backup control system for diesel generators. Background technique [0002] Diesel generators have the advantages of large capacity, strong environmental adaptability, long continuous power supply time, and ease of movement. They are widely used in independent power supply systems and emergency backup power supply systems. At present, with the rapid development of communication technology and industry, the number of various communication base stations and data centers has been increasing day by day in recent years. In order to ensure the reliability of communication and the stability of data centers, the demand for diesel generator sets as backup emergency power is also increasing. Constant growth. With the vigorous development of infrastructure in today's developing countries, the demand for mobile power and backup power in the construct...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02P9/48H02P9/02H02K5/24
Inventor 杨德雄刘晖
Owner CHONGQING SANYA ELECTRICAL APPLIANCE CO LTD
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