Power transformation apparatus and determination method for number of turns of series transformer windings
A technology of series transformers and transformer windings, which is applied in the direction of variable transformers, transformer/inductor coils/windings/connections, transformer/inductor components, etc., and can solve problems such as failure to meet user needs and output voltage fluctuations
Pending Publication Date: 2018-07-31
JIANGSU HUAPENG TRANSFORMER
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Problems solved by technology
However, using the neutral point voltage regulation method will cause the output voltage to fluctuate, which cannot meet the needs of users, which is a difficult problem in the industry at present.
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[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only It is a part of the embodiments of this application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without...
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The invention provides a power transformation apparatus and a determination method for the number of turns of series transformer windings, and relates to the technical field of electric power supply.The power transformation apparatus comprises a main transformer and a series transformer; the main transformer comprises a first iron core, and a transformer winding, a voltage-regulating winding assembly and an output winding which are arranged on the first iron core in a sleeving manner; the voltage-regulating winding assembly is connected with the transformer winding and used for regulating thevoltage value of each turn of windings in the main transformer by changing the number of turns of the self windings when a high-voltage voltage signal supplied by a power supply fluctuates; the output winding is connected with the series transformer in series and used for outputting a low-voltage voltage signal after the voltage value of each turn of windings is adjusted to the series transformer; and the series transformer is connected with the voltage-regulating winding assembly in parallel, and used for performing voltage compensation on the output low-voltage voltage signal according to abranch voltage value obtained after voltage regulation of the voltage-regulating winding assembly, and a ratio of the branch voltage value to the voltage change value of a low-voltage electric signal, so as to maintain the low-voltage voltage signal output by the output winding to be constant.
Description
technical field [0001] The present application relates to the technical field of electric power supply, in particular, to a transformer device and a method for determining the number of turns of a series transformer winding. Background technique [0002] In power systems, transformers are usually used to transfer electrical energy from power plants to consumers. Due to the input or removal of the user's electrical equipment, the grid voltage often fluctuates, which affects the running electrical equipment. Aiming at this problem, the objective solution is to use a voltage regulating transformer. When the voltage fluctuates, the voltage regulating transformer is used to compensate the fluctuating voltage. [0003] Autotransformers are widely used as voltage regulating transformers for voltage regulation because they can reduce product material consumption and no-load loss, and improve product economy, especially operating benefits. At present, the switch in the autotransfor...
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Login to View More IPC IPC(8): H01F29/02H01F27/28G01R29/20
CPCH01F27/2828H01F29/02G01R29/20
Inventor 陈琪张月赵文俊王强涂杰谢黎敏董杰
Owner JIANGSU HUAPENG TRANSFORMER