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A kind of control method of gas internal combustion engine unit

A technology of an internal combustion engine unit and a control method, which is applied in electrical control, engine control, fuel injection control and other directions, can solve problems such as low load rate, and achieve the effect of improving load rate

Active Publication Date: 2022-08-05
山西兰花大宁发电有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is that the existing control method of the gas internal combustion unit has the problem that the load rate is still low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] Based on the embodiments, the specific embodiments of the present invention are further described in detail.

[0035] The present invention provides a control method for the gas internal combustion engine group. In this control method, when the load rate of the gas internal combustion engine group is lower than the preset load rate, the speed of the turbocharger and the opening of the soil valve to adjust the entry to enter the entering entering into The volume of the unit volume of the cylinder makes the load rate of more than 85 %, thereby achieving the purpose of increasing the load rate of the gas internal combustion engine.

[0036] Example, the control method includes: when determining that the current load rate is lower than the preset load rate, the speed of the turbocharger of the turbocharger of the gas internal combustion engine, and the opening of the soil valve of the gas internal combustion engine group, Adjust the operating status of the gas internal combusti...

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PUM

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Abstract

The present invention provides a control method for a gas internal combustion engine set, the control method comprising: when it is determined that the current load rate is lower than a preset load ratio, according to the speed of the turbocharger of the gas internal combustion engine set, and the gas internal combustion engine set The opening degree of the throttle valve is adjusted to adjust the operating state of the gas engine unit. In this control method, when the load rate of the gas internal combustion engine unit is lower than the preset load rate, the amount of gas per unit volume entering the cylinder is adjusted through the rotational speed of the turbocharger and the opening of the throttle valve, so that the load rate reaches 85 % or more, so as to achieve the purpose of increasing the load factor of the gas engine group.

Description

Technical field [0001] The invention involves the field of power generation technology, and specially involves a control method for the gas internal combustion engine group. Background technique [0002] Under normal circumstances, the rated power of the gas internal combustion engine (hereinafter referred to as the unit) is 3905kW, and when the gas supply concentration is between 30 % -50 %, the load rate of the unit's normal operation should reach more than 90 %. During different concentrations, the unit often has a load rate of only 75 %, or even 65 %. In the case of sufficient gas supply, it seriously affects the power of the unit, increases energy consumption, and affects the completion of power generation tasks. [0003] In response to the above situations, unit manufacturers generally adjust the problem of low load rates through the "yellow key" (unit parameter control software) to adjust the ignition angle and cylinder temperature curve. However, there are the following p...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02D41/00F02B29/04
CPCF02D41/0002F02D41/0007F02D41/0027F02B29/0493F02D2200/0404Y02T10/12
Inventor 王绍霞
Owner 山西兰花大宁发电有限公司