RU2009133949A

RU2009133949A - ELECTRIC HIGH FREQUENCY RESONANT TRANSFORMER

Info

Publication number: RU2009133949A
Application number: RU2009133949/07A
Authority: RU
Inventors: Дмитрий Семенович Стребков (RU); Дмитрий Семенович Стребков; Владимир Захарович Трубников (RU); Владимир Захарович Трубников; Алексей Иосифович Некрасов (RU); Алексей Иосифович Некрасов; Антон Алексеевич Некрасов (RU); Антон Алексеевич Некрасов; Олег Алексеевич Рощин (RU); Олег Алексеевич Рощин; Леонид Юрьевич Юферев (RU); Леонид Юрьевич Юферев
Priority date: 2009-09-11
Filing date: 2009-09-11
Publication date: 2011-03-20
Also published as: RU2423746C2

Abstract

1. Электрический высокочастотный резонансный трансформатор, содержащий первичную обмотку, соединенную через первый резонансный конденсатор с высокочастотным генератором, вторичную обмотку, соединенную через второй резонансный конденсатор с нагрузкой, отличающийся тем, что он дополнительно снабжен резонансной обмоткой, выполненной в виде спиральной катушки с длиной намотки, равной четверти длины стоячей волны тока и напряжения, при этом резонансная обмотка состоит из нескольких последовательно соединенных секций спирально намотанного изолированного провода, сечение которого различно для каждой секции и уменьшается по мере удаления секции от начала резонансной обмотки, поверх резонансной обмотки у ее начала в области формирования пучности тока размещены первичная и вторичная обмотки, соединенные с генератором и нагрузкой, при этом резонансная частота контуров первичной, вторичной и резонансной обмоток равны между собой, определяются выражениями (1-3) и соответствуют частоте генератора, а начала первичной, вторичной и резонансной обмоток электрически соединены между собой и заземлены, а конец резонансной обмотки изолирован. ! 2. Электрический высокочастотный резонансный трансформатор по п.1, отличающийся тем, что начала первичной и вторичной обмоток соединены между собой, начало резонансной обмотки заземлено, а конец резонансной обмотки изолирован. ! 3. Электрический высокочастотный резонансный трансформатор по п.1, отличающийся тем, что первичная и вторичная обмотки гальванически не связаны, начало резонансной обмотки заземлено, а конец резонансной обмотки изолирован. ! 4. Электрический высокоча� 1. An electric high-frequency resonant transformer containing a primary winding connected through a first resonant capacitor to a high-frequency generator, a secondary winding connected through a second resonant capacitor with a load, characterized in that it is further provided with a resonant winding made in the form of a spiral coil with a winding length equal to a quarter of the length of the standing wave of current and voltage, while the resonant winding consists of several series-connected sections helically wound of the insulated wire, the cross section of which is different for each section and decreases as the section moves away from the beginning of the resonant winding, over the resonant winding at its beginning, primary and secondary windings are placed in the area of current antinode formation, connected to the generator and the load, while the resonant frequency of the primary loops , secondary and resonant windings are equal to each other, are determined by expressions (1-3) and correspond to the frequency of the generator, and the beginnings of the primary, secondary and resonant windings are electrically connected to and dy are grounded and isolated resonant coil end. ! 2. The electric high-frequency resonant transformer according to claim 1, characterized in that the beginnings of the primary and secondary windings are interconnected, the beginning of the resonant winding is grounded, and the end of the resonant winding is insulated. ! 3. The electric high-frequency resonant transformer according to claim 1, characterized in that the primary and secondary windings are not galvanically connected, the beginning of the resonant winding is grounded, and the end of the resonant winding is insulated. ! 4. Electric high

Claims

1. An electric high-frequency resonant transformer containing a primary winding connected through a first resonant capacitor to a high-frequency generator, a secondary winding connected through a second resonant capacitor with a load, characterized in that it is further provided with a resonant winding made in the form of a spiral coil with a winding length, equal to a quarter of the length of the standing wave of current and voltage, while the resonant winding consists of several series-connected sections helically wound of the insulated wire, the cross section of which is different for each section and decreases as the section moves away from the beginning of the resonant winding, over the resonant winding at its beginning, primary and secondary windings are placed in the area of current antinode formation, connected to the generator and the load, while the resonant frequency of the primary loops , secondary and resonant windings are equal to each other, are determined by expressions (1-3) and correspond to the frequency of the generator, and the beginnings of the primary, secondary and resonant windings are electrically connected to and dy are grounded and isolated resonant coil end.

2. The electric high-frequency resonant transformer according to claim 1, characterized in that the beginnings of the primary and secondary windings are interconnected, the beginning of the resonant winding is grounded, and the end of the resonant winding is insulated.

3. The electric high-frequency resonant transformer according to claim 1, characterized in that the primary and secondary windings are not galvanically connected, the beginning of the resonant winding is grounded, and the end of the resonant winding is insulated.

4. The electric high-frequency resonant transformer according to claim 1, characterized in that the resonant winding is used as a magnetic circuit to increase the coupling coefficient between the primary and secondary windings with an extension of the operating frequency range.