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Generator for land electromagnetic emission system, emission system and method

A technology of transmitting system and generator, applied in electric/magnetic exploration, radio wave measurement system, utilization of re-radiation, etc., can solve the problems of insufficient transmission power and inability to obtain electromagnetic data, and achieve enhanced accuracy and reliability. performance, overcoming limited exploration depth, and improving consistency

Pending Publication Date: 2020-11-20
BC P INC CHINA NAT PETROLEUM CORP +1
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Problems solved by technology

For deeper formations, good electromagnetic data cannot be obtained due to the insufficient transmission power

Method used

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  • Generator for land electromagnetic emission system, emission system and method
  • Generator for land electromagnetic emission system, emission system and method
  • Generator for land electromagnetic emission system, emission system and method

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Embodiment Construction

[0059]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0060] In order to solve the problem of limited exploration depth caused by the low transmission power of the electromagnetic launch system, according to one aspect of the present invention, this embodiment discloses a generator for a land-based electromagnetic launch system. Such as figure 1 As shown, the generator used in the land-based electromagnetic launch system includes a current sensor, an excitation controller, a controllable excitation switch and a po...

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Abstract

The invention provides a generator for an onshore electromagnetic emission system, the emission system and a method. The generator comprises a current sensor, an excitation controller, a controllableexcitation switch and a power generation module. The controllable excitation switch is used for forming an excitation signal based on an excitation input signal in response to a control signal; the power generation module is used for forming an output current based on the excitation signal through an electromagnetic induction principle; the current sensor is used for acquiring the output current of the power generation module and transmitting the output current to the excitation controller; and the excitation controller is used for adjusting the control signal according to the output current and a preset current so as to enable the output current of the power generation module to be consistent with the preset current. The emission power of electromagnetic emission can be improved so as toimprove the electromagnetic exploration depth.

Description

technical field [0001] The invention relates to the technical field of electronic equipment, in particular to a generator, a launch system and a method for a land-based electromagnetic launch system. Background technique [0002] At present, the maximum power of the ground time-frequency transmitter is only 150KW, the transmission current is only 120A, and the maximum exploration depth can only reach 4000 meters underground. For deeper formations, good electromagnetic data cannot be obtained due to the insufficient transmission power. In order to reach a depth of 10,000 meters in electromagnetic exploration, we have developed a ground time-frequency constant current transmitter with a power of 400KW, which makes time-frequency exploration of 10,000 meters possible. Contents of the invention [0003] An object of the present invention is to provide a rectification and inverter system for electromagnetic emission current on land, so as to increase the emission power of elec...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/00G05F1/12
CPCG01V3/00G05F1/12
Inventor 庞恒昌刘云祥罗凤强刘刚尤辰焦新程
Owner BC P INC CHINA NAT PETROLEUM CORP
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