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Electromagnetic design method of amorphous alloy transformer

An amorphous alloy, electromagnetic design technology, applied in the direction of inductor/transformer/magnet manufacturing, instruments, circuits, etc., can solve the problem of inability to meet the design requirements of amorphous alloy transformers

Inactive Publication Date: 2015-07-15
浙江环联电力设备有限公司
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  • Abstract
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Problems solved by technology

Therefore, the above parameter design method cannot meet the design requirements of amorphous alloy transformers.

Method used

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  • Electromagnetic design method of amorphous alloy transformer
  • Electromagnetic design method of amorphous alloy transformer
  • Electromagnetic design method of amorphous alloy transformer

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Embodiment Construction

[0070] In order to enable those skilled in the art to better understand the technical solution of the present invention, and to make the above-mentioned purpose, features and advantages of the present invention more obvious and understandable, the present invention will be further described in detail below in conjunction with the embodiments and accompanying drawings .

[0071] The manual design of amorphous alloy transformer mainly includes: voltage and current calculation, iron core calculation, no-load loss calculation, no-load current calculation, number of turns calculation, coil parameter calculation.

[0072] 1. Calculation of voltage and current

[0073] The connection group of amorphous alloy core transformer is generally Dyn11. When the core is three-phase three-column type, the connection group

[0074] Can be Dyn0. Regardless of the connection method, the high-voltage windings are delta-connected, and the low-voltage windings are star-connected.

[0075] High vo...

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Abstract

The invention relates to an electromagnetic design method of an amorphous alloy transformer, which designs electromagnetic parameters of the amorphous alloy transformer by utilizing a circulating traversing method, and provides a calculation method of transformer iron core parameters, no-load loss and load loss considering the characteristics of an amorphous alloy material, effectively inhibits the local magnetic saturation and reduces the loss of the transformer; moreover the search space can be reduced, the search speed can be increased, and the reliability of the design scheme can be improved. Meanwhile, since the electromagnetic design of the amorphous alloy iron core power distribution transformer involves fewer variables, the calculation requirement of the circulating traversing method can be satisfied by utilizing the existing computer, and the cost for optimizing the computer system can be reduced.

Description

technical field [0001] The invention relates to an electromagnetic design method of an amorphous alloy transformer. Background technique [0002] In my country's electric energy loss, the loss of the distribution network accounts for about 70% of the total network loss, becoming the main part of the entire power grid loss. The load of the distribution network is mostly seasonal load or daily load. There are a large number of long-term light-loaded or no-load distribution transformers, and their no-load loss accounts for a large part of the distribution network loss. Reducing the no-load loss of the transformer can Bring huge energy saving and environmental protection benefits. [0003] Amorphous alloy transformer is a kind of transformer that uses amorphous alloy material instead of silicon steel sheet to make transformer core. Compared with the current S9 series transformers, the no-load loss is reduced by 74%, and the no-load current is reduced by 45%. It has a comparativ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F41/00G06F17/50
Inventor 刘建平赵章娒刘建国
Owner 浙江环联电力设备有限公司
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