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Automatic control method and device for gas generator set

An automatic control device and generator set technology, applied in engine control, electrical control, circuit devices, etc., can solve problems such as difficulty in starting the machine and failure to start with one button

Active Publication Date: 2021-09-07
CHONGQING PUSH MECHANISM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is that it is difficult to start and start the gas generator set by manual adjustment and control, and it cannot be started with one key.

Method used

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  • Automatic control method and device for gas generator set

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Embodiment Construction

[0029] The invention provides a new start-up logic method to realize the systematic, intelligent and humanized control of the control system of the gas generating set. Improve the success rate of gas start-up and simplify the start-up operation process, and realize one-key start-up to grid-connected loading. By parameterizing the start-up operation data, it can adapt to the start-up process in different states. The start-up process includes: S1), press the start button, the control system automatically pre-lubricates to meet the start-up conditions, and then starts timing, delays t1 to turn on the starter motor, and delays to open the solenoid valve; S2), gas solenoid Valve opening condition: Confirmed according to the air-fuel ratio data, when the air-fuel ratio is greater than the preset air-fuel ratio λ, the solenoid valve opening time is determined according to the air-fuel ratio-solenoid valve opening time curve; when the air-fuel ratio is less than or equal to the preset...

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Abstract

The invention provides an automatic control method and device for a gas generator set, and the method comprises the following steps: S1, responding to a start key pressed by a user; S2, determining the opening condition of a gas electromagnetic valve according to the air-fuel ratio data; S3, adding the delay time after the motor is withdrawn under the condition of successful starting; S4, after the starting is successful, maintaining the idling operation; S5, after the unit reaches the rated speed state and stably operates for a preset t2 time, monitoring whether the voltage and the frequency reach synchronization detection conditions or not, and monitoring whether the voltage, the frequency and the phase angle of the power generation and the mains supply reach the synchronization conditions or not; S6, after switching on, enabling the control system to automatically perform step- by-step loading according to preset target power in an automatic loading state. The invention has the beneficial effects that the one-key starting function of the gas generator set can be simply and conveniently realized, the gas generator set is automatically loaded to the target power for operation, the current situation that the gas generator set is difficult to start and low in automation degree is solved, and the unattended operation function is realized.

Description

technical field [0001] The invention relates to the field of electrical control, in particular to an automatic control method and device for a gas generating set. Background technique [0002] At present, the start-up control methods of gas generator sets of various manufacturers refer to the start-up logic of diesel engines for manual adjustment control methods, adopt manual start-up mode, and control the coordinated opening of gas solenoid valves and motors based on experience, and gas sources are common. Concentration and pressure fluctuations are large and the stability is poor. This start-up method is very inconvenient, and start-up is difficult, and there is a situation that the start-up does not succeed for several days. At present, the owners of various gas power stations have higher and higher requirements for the intelligent control of the power station, and require the use of an intelligent centralized control system to collect, monitor and control the parameters...

Claims

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Application Information

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IPC IPC(8): H02J3/38H02J3/40H02P9/08H02P9/10F02B43/10F02B63/04F02D41/06F02D41/14
CPCH02J3/381H02J3/40H02P9/08H02P9/105F02D41/062F02D41/1454F02B43/10F02B63/04Y02T10/30
Inventor 周海明杨润岱冒续伍季海标秦立恒
Owner CHONGQING PUSH MECHANISM
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