KR200238203Y1 - Cooling apparatus in active part of the transformer - Google Patents

Cooling apparatus in active part of the transformer Download PDF

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Publication number
KR200238203Y1
KR200238203Y1 KR2020010004318U KR20010004318U KR200238203Y1 KR 200238203 Y1 KR200238203 Y1 KR 200238203Y1 KR 2020010004318 U KR2020010004318 U KR 2020010004318U KR 20010004318 U KR20010004318 U KR 20010004318U KR 200238203 Y1 KR200238203 Y1 KR 200238203Y1
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South Korea
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cooling
winding
windings
voltage winding
present
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KR2020010004318U
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Korean (ko)
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박창목
김세창
황태봉
김종석
서흥석
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현대중공업 주식회사
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Publication of KR200238203Y1 publication Critical patent/KR200238203Y1/en

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Abstract

본 고안은 변압기 중신의 냉각장치에 관한 것이며, 그 목적은 변압기 중신 냉각을 위해 별도로 설치되는 냉각 파이프를 없이 냉각덕트를 통해 냉각제가 직접 권선에 접촉하게 함으로서 냉각구조를 단순화하고 발생열을 효율적으로 냉각시킬 수 있는 냉각장치를 제공함에 있다.The present invention relates to a cooling device of the transformer core, which aims to simplify the cooling structure and efficiently cool the generated heat by allowing the coolant to directly contact the windings through the cooling duct without a separate cooling pipe for the transformer core. It is to provide a cooling device that can.

본 고안은 성형 스트립에 의해 분리되고 상·하부요크에 각각 설치된 상·하부절연물에 의해 지지되는 저압권선과 고압권선및 탭권선과, 상기 각각의 권선 사이에 설치된 냉각덕트와, 상기 저압권선과 고압권선의 사이 삽입 절연물에 의해 설치된 절연덕트와, 상기 삽입 절연물의 하부에 설치되고 차폐판 호울이 형성된 차폐판과, 상부요크와 하부요크에 연결된 코아 레그로 구성되었다.The present invention provides a low voltage winding, a high voltage winding, and a tap winding, which are separated by a forming strip and supported by upper and lower insulators respectively installed on upper and lower yokes, cooling ducts provided between the respective windings, and the low voltage winding and the high pressure. It consists of an insulation duct provided by an insulator inserted between the windings, a shield plate installed under the insertion insulator and formed with a shield plate hole, and a core leg connected to the upper yoke and the lower yoke.

Description

변압기 중신의 냉각장치{Cooling apparatus in active part of the transformer}Cooling apparatus in active part of the transformer}

본 고안은 변압기 중신의 냉각장치에 관한 것으로, 보다 상세하게는 변압기 중신의 냉각구조를 단순화하여 중신에서 발생하는 열을 효율적으로 냉각시키는 구조로 중신 하부에 절연 차폐판을 설치하여 냉각제(SF6 GAS)를 냉각덕트를 통해 권선에 직접적으로 접촉하도록 하여 변압기의 냉각효과를 증대시킨 것이다.The present invention relates to a cooling device of the transformer core, more specifically, to simplify the cooling structure of the transformer core body to efficiently cool the heat generated in the core body by installing an insulation shield plate in the lower core of the coolant (SF6 GAS) Direct contact with the winding through the cooling duct to increase the cooling effect of the transformer.

변압기의 설계에서, 일반적으로 공간 활용의 최적화가 바람직하다. 말하자면, 예정된 정격을 갖는 변압기는 물리적으로 가능한 작아야 하고, 인정된 전기적 설계 원리와 일치해야 한다. 때때로 예정된 한도 아래로 변압기의 크기 축소를 막는 고려 대상 및 요인은 작동 중에 변압기 중신에서 발생하는 열의 양이다.In the design of transformers, optimization of space utilization is generally desirable. In other words, a transformer with a predetermined rating should be as small as possible physically and in accordance with recognized electrical design principles. Occasionally, considerations and factors that prevent the transformer from shrinking below its intended limits are the amount of heat generated by the transformer core during operation.

종래의 변압기 중신의 냉각구조는 복잡한 파이프를 통해서 변압기 중신에서 발생하는 열을 냉각시키는 구조로 변압기 중신 냉각을 위해 별도의 냉각 파이프가 필요로 하는 문제점이 있다.The conventional cooling structure of the transformer core has a problem in that a separate cooling pipe is required for cooling the transformer core in a structure that cools heat generated in the transformer core through a complicated pipe.

본 고안은 상기와 같은 문제점을 고려하여 이루어진 것으로, 그 목적은 변압기 중신 냉각을 위해 별도로 설치되는 냉각 파이프를 없이 냉각덕트를 통해 냉각제가 직접 권선에 접촉하게 함으로서 냉각구조를 단순화하고 발생열을 효율적으로 냉각시킬 수 있는 냉각장치를 제공함에 있다.The present invention has been made in consideration of the above problems, and its object is to simplify the cooling structure and efficiently cool the generated heat by allowing the coolant to directly contact the windings through the cooling duct without a cooling pipe installed separately for the transformer core cooling. To provide a cooling device that can be.

상기와 같은 목적 달성을 위한 본 고안은 성형 스트립에 의해 분리되고 상·하부요크에 각각 설치된 상·하부절연물에 의해 지지되는 저압권선과 고압권선 및 탭권선과, 상기 각각의 권선 사이에 설치된 냉각덕트와, 상기 저압권선과 고압권선의 사이 삽입 절연물에 의해 설치된 절연덕트와, 상기 삽입 절연물의 하부에 설치되고 차폐판 호울이 형성된 차폐판과, 상부요크와 하부요크에 연결된 코아 레그로 구성되었다.The present invention for achieving the above object is a low-voltage winding and a high-voltage winding and a tab winding, which is separated by a forming strip and supported by upper and lower insulators respectively installed on upper and lower yokes, and cooling ducts installed between the respective windings. And an insulation duct installed between the low voltage winding and the high voltage winding by an insertion insulator, a shielding plate installed under the insertion insulation, and a shield plate hole formed therein, and a core leg connected to the upper yoke and the lower yoke.

도 1 은 본 고안의 변압기 중신을 상세히 도시한 정면도1 is a front view showing in detail the transformer core of the present invention

도 2 는 본 고안의 변압기 중신을 상세히 도시한 평면도Figure 2 is a plan view showing in detail the transformer core of the present invention

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

(1) 코아 (2),(3) 코아 레그(1) core (2), (3) core leg

(4) 저압권선 (5) 고압권선(4) low voltage winding (5) high voltage winding

(6) 탭권선 (7) 냉각덕트(6) Tap winding (7) Cooling duct

(8) 성형 스트립 (9) 절연덕트(8) Forming strip (9) Insulation duct

(10) 하부 요크 (11) 상부 요크(10) lower yoke (11) upper yoke

(12) 하부 절연물 (13) 상부 절연물(12) bottom insulator (13) top insulator

(14) 차폐판 (15) 삽입 절연물(14) Shielding board (15) Insert insulator

(16) 차폐판 호울(16) shield plate hole

도 1은 본 고안의 변압기 중신을 도시한 정면도를, 도 2는 본 고안의 변압기 중신을 도시한 평면도를 도시한 것으로서, 성형 스트립(8)에 의해 분리되고 상·하부요크(11)(10)에 각각 설치된 상·하부절연물(13)(12)에 의해 지지되는 저압권선(4)과 고압권선(5)및 탭권선(6)과, 상기 각각의 권선(4)(5)(6) 사이에 설치된 냉각덕트(7)와, 상기 저압권선(4)과 고압권선(5) 사이에 삽입 절연물(15)에 의해 설치된 절연덕트(9)와, 상기 삽입 절연물(15)의 하부에 설치되고 차폐판 호울(16)이 형성된 차폐판(14)과, 상부요크(11)와 하부요크(10)에 연결된 코아 레그(2)(3)를 나타내고 있다.FIG. 1 is a front view showing the transformer core of the present invention, and FIG. 2 is a plan view showing the transformer core of the present invention, which is separated by a forming strip 8, and the upper and lower yokes 11 and 10 are shown. Between the low voltage windings 4, the high voltage windings 5, and the tap windings 6 supported by the upper and lower insulators 13 and 12, respectively, provided at the upper and lower windings, respectively, and the respective windings 4, 5 and 6, respectively. A cooling duct (7) installed in the insulator, an insulation duct (9) provided by the insertion insulator (15) between the low voltage winding (4) and the high voltage winding (5), and a shield provided in the lower portion of the insertion insulator (15). The shield plate 14 in which the plate hole 16 was formed, and the core leg 2 and 3 connected to the upper yoke 11 and the lower yoke 10 are shown.

이하 실시예를 통하여 본 고안을 상세히 설명하면 다음과 같다.Hereinafter, the present invention will be described in detail with reference to the following examples.

본 발명은 크게 코아(1), 코아 레그(2)(3), 저압권선(4), 고압권선(5), 탭 권선(6)으로 구성되었고, 상기 코아 레그(2)(3)는 하부요크(10)와 상부요크(11)를 연결하고, 상기 하부요크(10)에는 하부절연물(12)이 상부요크(11)에는 상부절연물(13)이 설치되어 각각의 권선(4)(5)(6)을 지지해준다.The present invention is largely composed of core (1), core leg (2) (3), low pressure winding (4), high pressure winding (5), tap winding (6), the core leg (2) (3) The yoke 10 and the upper yoke 11 are connected to each other, and the lower yoke 10 is provided with a lower insulator 12, and the upper yoke 11 is provided with an upper insulator 13. Support (6).

또한 상기 저압권선(4)과 고압권선(5) 사이에는 삽입 절연물(15)에 의해 형성된 절연덕트(9)가 설치되었고, 상기 절연덕트(9)의 하부에 차폐판 호울(16)이 형성된 차폐판(14)이 설치되었으며, 상기 차폐판 호울(16)은 각각의 권선(4)(5)(6)에 설치된 냉각덕트(7)와 연결되어 절연제(SF6 GAS)가 냉각덕트(7)를 통해 각각의 권선(4)(5)(6)을 직접적으로 접촉하여 권선에서 발생하는 열을 냉각시켜 주는 것이다.In addition, an insulation duct 9 formed by an insertion insulator 15 is installed between the low voltage winding 4 and the high voltage winding 5, and a shield having a shield plate hole 16 formed below the insulation duct 9. The plate 14 is installed, and the shield plate hole 16 is connected to the cooling duct 7 installed in each of the windings 4, 5 and 6 so that the insulation SF6 GAS is connected to the cooling duct 7 By directly contacting each of the windings (4) (5) (6) to cool the heat generated in the windings.

(변형예, 응용예 및 법적해석)(Variants, applications and legal interpretations)

본 고안은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 고안의 요지를 벗어남이 없이 당해 고안이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and any person having ordinary skill in the art to which the present invention pertains may make various modifications without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.

상기와 같은 구성 및 작용에 의해 기대할 수 있는 본 고안의 효과는 다음과 같다.Effects of the present invention that can be expected by the configuration and action as described above are as follows.

본 고안은 변압기 중신 하부에 절연 차폐판을 설치하여 냉각제(SF6 GAS)를 권에 직접적으로 접촉하게 함으로서, 중신 냉각구조를 단순화시키고 권선에서 발생하는 열을 효율적으로 냉각시켜주는 효과가 있다.According to the present invention, an insulation shield is installed at the bottom of the transformer core so that the coolant (SF6 GAS) is directly in contact with the winding, thereby simplifying the core cooling structure and efficiently cooling the heat generated from the winding.

Claims (1)

성형 스트립(8)에 의해 분리되고 상·하부요크(11)(10)에 각각 설치된 상·하부절연물(13)(12)에 의해 지지되는 저압권선(4)과 고압권선(5)및 탭권선(6)과, 상기 상·하부요크(11)(10)에 연결된 코아 레그(2)(3)와, 상기 저압권선(4)과 고압권선(5) 사이에 삽입 절연물(15)에 의해 형성된 절연덕트(9)와, 상기 절연덕트(9)의 하부에 설치되고 차폐판 호울(16)이 형성된 차폐판(14)과, 상기 차폐판 호울(16)과 연결되고 저압권선(4), 고압권선(5), 탭권선(6)에 각각 설치된 냉각덕트(7)로 구성된 것을 특징으로 하는 변압기 중신의 냉각장치.Low-voltage windings 4, high-voltage windings 5, and tab windings separated by the forming strip 8 and supported by the upper and lower insulators 13 and 12 respectively provided in the upper and lower yokes 11 and 10, respectively. (6), a core leg (2) (3) connected to the upper and lower yokes (11) (10), and an insertion insulator (15) formed between the low voltage winding (4) and the high voltage winding (5). A low pressure winding (4), a high voltage connected to the insulating duct (9), a shielding plate (14) installed below the insulating duct (9), and having a shielding plate hole (16) formed thereon, and connected to the shielding plate hole (16). The winding device (5), the cooling device of the transformer core body, characterized in that consisting of cooling ducts (7) respectively installed on the tab winding (6).
KR2020010004318U 2001-02-20 2001-02-20 Cooling apparatus in active part of the transformer KR200238203Y1 (en)

Priority Applications (1)

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KR2020010004318U KR200238203Y1 (en) 2001-02-20 2001-02-20 Cooling apparatus in active part of the transformer

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