A Transformer Parameter Acquisition Method Based on Hydroelectric Pulse Stimulation Device

Abstract

The invention discloses a method for obtaining parameters of a transformer based on a liquid electric pulse production increase device. The method comprises a step of setting an inner diameter and anouter diameter of a magnetic core, the ratio of the transformer, the effective value of primary current of the transformer, winding current density, the maximum working magnetic density of the transformer and the maximum primary volt-second product of the transformer according to the output voltage of a frequency converter, the type of the magnetic core, the operating temperature of the transformer, the breakdown voltage of an oil-water mixture and the requirements of the liquid electric pulse production increase device, a step of initializing the number of the magnetic cores, a step of calculating sectional areas of primary side winding and secondary winding wires, the effective sectional areas of the magnetic cores, the number of turns of a primary winding and the number of turns ofa secondary winding, and a step of calculating a window utilization factor, stopping calculation if design requirements are satisfied, otherwise updating the number of the magnetic cores and repeatingthe above steps. The invention comprehensively considers the volume size of the transformer, the high-temperature resistance characteristics and the adaption to complex waveform voltage excitation factors, and the design method of the parameters of the transformer based on the liquid electric pulse production increase device is more applicable.

Description

technical field [0001] The invention belongs to the field of transformers, and more specifically relates to a transformer parameter acquisition method based on a hydraulic-electric pulse stimulation device. Background technique [0002] With the deepening of oilfield exploitation, the formation pressure decreases, the permeability of the oil layer decreases, and the deposition of insoluble salts in the oil well will block the oil seepage channel, resulting in a decline in oil well production, especially for low permeability oil fields. The decline is more serious and may even cause production stoppages. [0003] The hydro-electric pulse stimulation technology is a new plug-removing stimulation method that generates shock waves with high-voltage pulse discharge and acts on oil layers. It has the advantages of no secondary pollution, short well-occupancy time, and easy operation, and has been increasingly popular in oil fields at home and abroad. Wide range of applications. ...

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Problems solved by technology

[0005] Aiming at the defects of the prior art, the purpose of the present invention is to provide a transformer parameter acquisition method based on a hydraulic pulse stimulation device, which aims to solve the problem that the existing transformer parameters are not based on the small size of the transformer, high temperature resistance and large harmonic components of the excitation voltage. Acquisition of demand, resulting in the problem that the hydraulic electric pulse stimulation device cannot be applied to the problem of plugging removal and stimulation of oil reservoirs

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