Control parameter optimization control system and method of crude oil dehydration power supply

A crude oil dehydration and power control technology, which is applied in the field of variable-step self-optimizing control systems, can solve the problems of unstable crude oil dehydration effect, weak impact force of emulsion film, and production impact in oilfields, so as to improve oil-water separation effect and sedimentation. The effect of increased velocity and increased impact

Inactive Publication Date: 2011-04-06
BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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Problems solved by technology

Before the 1960s, it was in the exploration stage. Because some oilfields had just been developed and constructed, the dehydration effect of oilfield crude oil was unstable, which had a great impact on production.
At present, although there ar

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  • Control parameter optimization control system and method of crude oil dehydration power supply
  • Control parameter optimization control system and method of crude oil dehydration power supply
  • Control parameter optimization control system and method of crude oil dehydration power supply

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with accompanying drawing:

[0018] A crude oil dehydration power supply control parameter optimization control system, the main circuit of the power supply is composed of a rectifier circuit 1, a filter voltage regulating circuit 2, an inverter circuit 3, and a transformer 4 in sequence, wherein: the main circuit is also provided with a transformer The step size self-optimizing intelligent controller 6 samples the change of the moisture content of crude oil in the crude oil dehydrator through the sensor sampling circuit, converts the changed value into a voltage signal, and sends it to the controller 6. The comparison of two sampling values, the PWM control circuit 7 of the control part of the DC chopper voltage regulating circuit 2 controlled by the controller 6 and the PWM control circuit 8 of the control part of the inverter circuit 3 output the size of the PWM drive signal duty cycle , to control ...

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Abstract

The invention relates to a control parameter optimization control system and method of a crude oil dehydration power supply, aiming at solving the problems that the crude oil moisture content is high home and abroad and the dehydration effect needs to be improved. Aiming at improving the crude oil dehydration efficiency, a control parameter optimization control system of crude oil dehydration power supply is designed in the invention. With respect to different properties of crude oil emulsion, the power supply parameter optimization intelligent control system adopts a variable-step length self-optimizing control method with the self-learning function, can be used for adjusting and self-optimizing the power control parameter, is beneficial to effectively exerting the function of high-pressure field stress inside the moisture crude oil, and ensures that the sedimentation rate of water drops in the crude oil is greatly increased so that the oil-water separation effect is improved.

Description

technical field [0001] The present invention relates to an optimization control system and method for the control parameters of a crude oil dehydration power supply, in particular to a variable step size with self-learning function for demulsification and dehydration of water-in-oil emulsions relying on the action of electric field force Self-optimizing control system and method thereof. Background technique [0002] The principle of electric demulsification and dehydration is to establish a high-voltage electric field inside the water-containing crude oil, and the water droplets collide due to the force of the electric field, and multiple small water droplets coalesce into large water droplets, which are separated from the oil under the action of gravity. According to different power supply methods, electric dehydration can be divided into DC electric field dehydration, AC electric field dehydration, AC and DC electric field dehydration, pulse electric field dehydration, et...

Claims

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Application Information

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IPC IPC(8): H02M5/458H02M1/36C10G33/08C10G33/02
Inventor 俞建荣陈家庆陈晓雪林顺英初庆东
Owner BEIJING INSTITUTE OF PETROCHEMICAL TECHNOLOGY
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