Low-pressure gas power generator set high-efficiency transient response device and response control method thereof

A generator set and transient response technology, applied in engine control, electrical control, combustion engine, etc., can solve the problems of turbocharger prone to surge, lower speed, and particularly serious hysteresis

Pending Publication Date: 2019-07-26
WEICHAI XIGANG NEW ENERGY POWER
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Problems solved by technology

However, because the low-pressure gas-fired generator sets form the mixed gas before supercharging, the mixed gas with changed concentration needs to pass through the supercharger, intercooler, intake pipe and connected pipelines before it can enter the cylinder for combustion during transient response. Due to the long pipeline, the hysteresis of the response

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  • Low-pressure gas power generator set high-efficiency transient response device and response control method thereof
  • Low-pressure gas power generator set high-efficiency transient response device and response control method thereof

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Embodiment Construction

[0033] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

[0034] Such as figure 1As shown, the high-efficiency transient response device of a low-voltage gas generator set includes a transmission-connected gas engine 1, a generator 2, and an engine controller ECU3, and the two cooperate to form a gas generator set. The gas engine 1 is provided with an engine intake pipe 4, through which an air filter 5, a low-pressure gas mixer 6, a supercharger 7, an intercooler 8 and electr...

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Abstract

The invention discloses a low-pressure gas power generator set high-efficiency transient response device. The low-pressure gas power generator set high-efficiency transient response device comprises agas engine and a power generator. The gas engine is provided with an engine intake pipe. The engine intake pipe is connected with an air filter, a low-pressure gas mixer, a supercharger, an intercooler and an electronic throttle valve in series. A low-pressure gas supply device is further connected to the low-pressure gas mixer. A gas supercharging device communicates with a pipeline between theelectronic throttle valve and the engine intake pipe. A gas pressure relief device is connected to the low-pressure gas mixer and the supercharger in parallel. The low-pressure gas power generator sethigh-efficiency transient response device further comprises a parameter detection device and an engine controller ECU. The invention further discloses a specific control method of the low-pressure gas power generator set high-efficiency transient response device. When a power generator set is loaded suddenly, gas is concentrated and quickly fed into a cylinder block of the gas engine to realize quick loading and prevent the gas engine from flaming out. When the power generator set is unloaded suddenly, the supercharging pressure of the power generator set can be relieved quickly, and the supercharger can be protected against surge. The transient responsiveness and operation stability of the set are improved.

Description

technical field [0001] The invention relates to the technical field of generator set operation control, in particular to a high-efficiency transient response device for a low-pressure gas generator set, and also relates to a specific response control method for the transient response device. Background technique [0002] Gas generator sets fueled by natural gas, coal bed methane, biogas and other gas sources have been widely used in various industries, but the gas source pressure used by the above gas generators is relatively low, generally below 30kPa. It is precisely because this type of unit requires low gas pressure and wide adaptability when working, so this kind of low-pressure gas generator set is the most widely used in the market at present. [0003] The gas and air of the low-pressure gas-fired generator set form a mixed gas in the supercharger, and after being supercharged by the supercharger and cooled by the intercooler, it finally enters the cylinder of the eng...

Claims

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Application Information

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IPC IPC(8): F02D41/00F02M21/02F02B63/04
CPCF02D41/0027F02M21/023F02M21/0239F02M21/0221F02M21/0215F02B63/04F02D2200/101F02D2200/0814Y02T10/30
Inventor 唐行辉
Owner WEICHAI XIGANG NEW ENERGY POWER
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