Method for launching marine controlled-source electromagnetic exploration system
An exploration system and electromagnetic technology, applied in the direction of electric/magnetic exploration, radio wave measurement system, sound wave reradiation, etc., can solve problems such as excessive cable requirements, poor system stability, and large loss
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[0033] Example 1:
[0034] Such as figure 1 As shown, the specific implementation of the hardware circuit of the present invention is as follows:
[0035] The generator set in the system provides a 3-phase unstable power supply with a power of 30KVA, a frequency of 50HZ and a voltage of 380V for the system. The above-mentioned power supply is boosted by a step-up transformer with a ratio of 1:4, and then rectified and filtered by a three-phase rectifier bridge. Obtain a single-phase DC power supply with a frequency of 50HZ and a voltage of 2000±10%V; the above-mentioned single-phase DC power supply is sent to the seabed 4Km deep through the towing cable, and then the underwater part of the system receives the power through the inverter The single-phase DC power supply is inverted into single-phase AC with a frequency of 20KHZ, and then reduced by a step-down transformer with a transformation ratio of 18:1 to obtain an AC voltage with a frequency of 20KHZ and an amplitude voltage of...
Example Embodiment
[0037] Example 2:
Example Embodiment
[0038] Such as figure 1 The specific implementation of the hardware circuit of the present invention is as follows:
[0039] The invention is divided into three parts: the onboard power generation monitoring platform of the system, the towing cable and the underwater part of the system. The system’s shipboard power generation monitoring platform includes generator sets, step-up transformers, three-phase rectifier bridges, and PC monitoring platforms; the towing cables are transmission cables; the underwater part of the system includes inverters, step-down transformers, single-phase rectifier bridges, and transmitters. Bridge and electrode assembly. Among them, the output port of the generator set is connected to the input port of the step-up transformer; the output port of the step-up transformer is connected to the input port of the three-phase bridge rectifier, the output port of the three-phase bridge rectifier is connected to the input port of the towing cable, and the output...
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