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Current transformer converter valve tower, current transformer converter system and wind generating set

A technology of converters and converter valves, which is applied to wind power generation, conversion of equipment structural parts, conversion of AC power input to DC power output, etc., which can solve the problems of large number of valve towers, high overall cost, and inconvenient promotion. , to achieve the effect of improving economy, reducing quantity and reactor quantity, and flexible configuration

Active Publication Date: 2021-06-29
XINJIANG GOLDWIND SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the large number of valve towers and the high overall cost, it is not easy to promote in the field of medium-voltage frequency converters and wind power generation
At the same time, the voltage level of the medium-voltage motor is relatively fixed at 10Kv, and the selection and configuration of the motor is not flexible

Method used

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  • Current transformer converter valve tower, current transformer converter system and wind generating set
  • Current transformer converter valve tower, current transformer converter system and wind generating set
  • Current transformer converter valve tower, current transformer converter system and wind generating set

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Embodiment Construction

[0037] Features and exemplary embodiments of various aspects of the invention will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention.

[0038] image 3 The structural appearance diagram of the converter valve tower of the three-phase converter provided by the embodiment of the present invention. Figure 4 to correspond to image 3 Electrical topology diagram of the converter valve tower of the medium converter. Figure 5 to correspond to image 3 Structural layout diagram of the converter valve tower of the medium converter.

[0039] see Figure 3-Figure 5 , the converter valve tower mainly includes: a U camera network side valve tower 31 , a V camera network side valve tower 32 and a W camera network side valve tower 33 .

[0040] Among them, the U camera network side valve tower 31 includes the AU camera network bridge arm 311, the BU camera ...

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Abstract

The embodiment of the invention discloses a current transformer converter valve tower, a current transformer converter system and a wind generating set. The current transformer current conversion system comprises a U camera network side valve tower, a V camera network side valve tower, a W camera network side valve tower, a U camera network side reactor tower, a V camera network side reactor tower and a W camera network side reactor tower. According to the current transformer converter valve tower, the current transformer current conversion system and the wind generating set, the electrical control efficiency can be improved, and the cost can be reduced.

Description

technical field [0001] The invention relates to the technical field of wind power generation, in particular to a converter valve tower, a converter system and a wind power generating set. Background technique [0002] The function of the converter valve of the converter is to convert the current, for example, convert AC to DC or DC to AC. Because Modular Multi-level Control (MMC) can cascade multiple sub-modules to form bridge arms to superimpose and output high voltage, it is widely used in high-voltage frequency converters and high-voltage wind power transmission fields middle. [0003] However, the MMC converter valves in the prior art mainly have a back-to-back structure, and the converter valve based on this structure requires a total of 4 converter valve towers, a total of 12 sets of bridge arms, and 4 sets of reactor valve towers, a total of 12 Reactor group, see for details figure 1 and figure 2 . Among them, the upper half bridge engine side valve tower 11 and...

Claims

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Application Information

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IPC IPC(8): H02M7/00H02J3/38
CPCH02M7/003Y02E60/60
Inventor 李战龙杨有涛耿杰
Owner XINJIANG GOLDWIND SCI & TECH
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