High-impedance transformer clamp structure and high-impedance transformer
A high-impedance transformer and clip technology, applied in the field of transformers, can solve problems such as overheating of structural parts, reduce stray losses, and solve local overheating effects
Pending Publication Date: 2022-03-04
BAODING TIANWEI GROUP TEBIAN ELECTRIC
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Problems solved by technology
[0004] The embodiment of the present invention provides a high-impedance transformer clamp structure, aiming to solve the problem of partial overheating of structural parts caused by leakage flux in high-impedance transformers
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[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0028] It should be noted that the terms "length", "width", "height", "thickness", "top", "bottom", "front", "back", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for It is convenient to describe the present invention and simplify the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed a...
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The invention provides a high-impedance transformer clamping piece structure and a high-impedance transformer, the high-impedance transformer clamping piece structure comprises an upper clamping piece assembly, a lower clamping piece assembly and a main yoke pulling plate, the upper clamping piece assembly comprises two upper clamping pieces located on the two sides of an upper iron yoke respectively, and the lower clamping piece assembly comprises two lower clamping pieces located on the two sides of a lower iron yoke respectively; the lower clamping piece assembly comprises two lower clamping pieces located on the two sides of a lower iron yoke respectively, the main yoke pulling plates are connected with the corresponding upper clamping pieces and the corresponding lower clamping pieces respectively, and a plurality of notches are formed in the positions, corresponding to the main yoke pulling plates, of the upper clamping pieces and / or the lower clamping pieces. The high-impedance transformer clamp structure provided by the invention solves the problem of local overheating of a structural part caused by leakage magnetic flux.
Description
technical field [0001] The invention belongs to the technical field of transformers, and in particular relates to a high-impedance transformer clip structure and a high-impedance transformer. Background technique [0002] With the development of our country's economy, the demand for electricity has increased sharply. In order to ensure the reliable operation of the power system and limit its short-circuit current, the measure adopted is to increase the short-circuit impedance value of the transformer. The most commonly used method to improve the transformer impedance is to increase the number of turns of the transformer winding and the air gap between the windings, which will increase the stray loss of the winding and the stray loss of the clamp near the winding, and the stray loss of the clamp is more serious. With the concentration of stray losses, local overheating may occur. Since the clamp is used to strengthen the body, it is inside the transformer oil tank and immerse...
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Login to View More IPC IPC(8): H01F27/26H01F27/08H01F27/36
CPCH01F27/26H01F27/08H01F27/36
Inventor 侯义明朱晋萍刘洪文邵东光王雪军田壮壮
Owner BAODING TIANWEI GROUP TEBIAN ELECTRIC