KR102257451B1 - Electric pole system with inflow columnar transformer with arched top plate structure - Google Patents

Electric pole system with inflow columnar transformer with arched top plate structure Download PDF

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KR102257451B1
KR102257451B1 KR1020210050936A KR20210050936A KR102257451B1 KR 102257451 B1 KR102257451 B1 KR 102257451B1 KR 1020210050936 A KR1020210050936 A KR 1020210050936A KR 20210050936 A KR20210050936 A KR 20210050936A KR 102257451 B1 KR102257451 B1 KR 102257451B1
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South Korea
Prior art keywords
pole
electric pole
top plate
inflow
transformer
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KR1020210050936A
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Korean (ko)
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김대중
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유한회사 대영글로벌
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/08—Cooling; Ventilating
    • H01F27/10—Liquid cooling
    • H01F27/12—Oil cooling
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/30—Wind motors specially adapted for installation in particular locations
    • F03D9/34—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures
    • F03D9/43—Wind motors specially adapted for installation in particular locations on stationary objects or on stationary man-made structures using infrastructure primarily used for other purposes, e.g. masts for overhead railway power lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/02—Casings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • H02B5/02—Non-enclosed substations; Substations with enclosed and non-enclosed equipment mounted on pole, e.g. pole transformer substation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/40—Structural association with built-in electric component, e.g. fuse
    • H01F27/402—Association of measuring or protective means
    • H01F2027/404—Protective devices specially adapted for fluid filled transformers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/30—Wind power
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The present invention relates to an electric pole system installed with an inflow pole transformer having an arched-type top plate structure. More specifically, the present invention relates to the electric pole system installed with the inflow pole transformer having the arched-type top plate structure. By improving the top plate structure of the immersed pole transformer installed on the electric pole, the present invention is capable of preventing personnel accidents due to a burnout and an explosion of the pole transformer by accelerating the circulation function of insulating oil, and not only are accidents prevented, but also the building of a nest by a bird on the electric pole is prevented by a wind tunnel while efficiently recovering wind energy flowing at the top of the electric pole with a ground clearance of approximately 15 m, thereby allowing for the improvement in significantly reducing a risk of an accident such as a ground fault caused by the creation of the bird's nest.

Description

아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템{Electric pole system with inflow columnar transformer with arched top plate structure}Electric pole system with inflow columnar transformer with arched top plate structure

본 발명은 아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템에 관한 것으로, 보다 상세하게는 전주에 설치되는 유입형 주상변압기의 상판 구조를 개선하여 절연유의 순환기능을 촉진함으로서 주상변압기의 소손, 폭발에 따른 인명사고를 막고, 안전사고를 예방할 뿐만 아니라 약 15m 높이의 지상고를 갖는 전주의 상단에 흐르는 바람에너지를 효율적으로 회수하면서 동시에 풍동에 의해 새들이 전주에 새둥지를 만드는 것을 방해하여 새둥지 생성에 따른 지락 등 안전사고의 발생 위험을 현저히 감소시키도록 개선된 아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템에 관한 것이다.The present invention relates to a pole system in which an inflow pole transformer of an arcuate top plate structure is installed, and more particularly, by improving the top plate structure of an inflow pole transformer installed in an pole to promote the circulation function of insulating oil, damage and explosion of the pole transformer In addition to preventing human accidents and safety accidents, it also efficiently recovers the wind energy flowing at the top of the pole with a ground height of about 15 m, and at the same time prevents birds from making nests on the pole by the wind tunnel to create a nest. It relates to an electric pole system installed with an improved arcuate top plate structure inflow pole transformer to significantly reduce the risk of safety accidents such as ground faults.

현재 우리나라의 가공 배전선로는 콘크리트형 지지물인 전봇대, 즉 전주를 이용하고 있으며, 이러한 전주는 전국적으로 약 750만개가 설치되어 사용되고 있다.Currently, overhead distribution lines in Korea use a concrete type of support, ie, electric poles, and about 7.5 million such electric poles are installed and used nationwide.

이와 같은 전주중에는 한국전력에서 운영중인 22.9kV의 배전선로(Distribution Line)도 포함하고 있다.Among these poles, a 22.9kV distribution line operated by KEPCO is also included.

아울러, 전주에는 주압변압기가 설치된다.In addition, the main pressure transformer is installed on the pole.

통상, 변압기(electric transformer)는 전자기유도현상을 이용하여 교류의 전압값을 변화시키는 장치를 일컫는다.In general, a transformer (electric transformer) refers to a device for changing the voltage value of alternating current using electromagnetic induction.

이러한 변압기는 철심의 양쪽에 각각 코일을 감은 후, 한쪽에는 전원을 연결하고 다른 한쪽에는 부하측을 전기적으로 연결한다. 또한 이러한 변압기는 사용장소에 따라 증폭기 등에 설치되는 소형변압기, 변전선로의 전주 상에 설치되는 주상변압기, 및 발전소 또는 변전소에 설치되는 전력용 변압기 등으로 나눌 수 있다.In such a transformer, after winding a coil on both sides of an iron core, one side is connected to the power supply and the other side is electrically connected to the load side. In addition, depending on the place of use, such a transformer can be divided into a small transformer installed in an amplifier, etc., a pole transformer installed on an electric pole of a substation line, and a power transformer installed in a power plant or substation.

이중에서 주상변압기에는 철심과 코일의 절연 및 냉각을 목적으로 하는 절연유가 충전되고, 이 절연유를 방열시키기 위한 방열부재가 추가적으로 설치되기도 한다.Among them, the pole transformer is filled with insulating oil for the purpose of insulating and cooling the iron core and the coil, and a heat dissipation member for dissipating the insulating oil is additionally installed.

그런데, 도 1의 예시와 같이, 종래 주상변압기(10)는 상판(Head)(20)이 모두 평평한 평판으로 구성되어 있기 때문에 절연유의 순환이 원활하지 못하고, 온도변화가 급격히 이루어질 때는 급속히 팽창하면서 쉽게 소손되는 단점이 있다.However, as in the example of FIG. 1 , in the conventional pole transformer 10 , the circulation of the insulating oil is not smooth because the head 20 is all composed of a flat plate, and when the temperature changes rapidly, it expands rapidly and easily It has the disadvantage of being damaged.

즉, 내구성이 현저히 떨어지는 구조이다.That is, it is a structure in which durability is significantly lowered.

뿐만 아니라, 절연유의 순환이 원활하지 않을 경우 온도상승에 따른 전력손실이 증가하는 단점도 파생된다.In addition, if the circulation of the insulating oil is not smooth, the disadvantage of increasing the power loss due to the temperature rise is also derived.

한편, 도 2의 예시와 같이, 고전압이 흐르고 있는 배전선로 등을 포함한 전국적으로 약 750만개에 해당하는 전주 상에 까치집과 같이 새둥지가 만들어지면서 지락 고장 등 각 종 안전사고를 유발하는 문제도 야기하고 있다.On the other hand, as in the example of FIG. 2, bird nests like magpie nests are made on electric poles corresponding to about 7.5 million nationwide including distribution lines through which high voltage flows, causing various safety accidents such as ground faults. are doing

때문에, 매년 새둥지를 제거하는데 많은 인력이 사용되고 있으며, 그 과정에서 크고 작은 안전사고들이 파생되기 때문에 상당한 골칫거리로 남아 있다.Because of this, a lot of manpower is used to remove bird nests every year, and in the process, large and small safety accidents are derived, so it remains a considerable headache.

아울러, 전주는 보통 약 15m 이상의 지상고로 설치되고 있어 상단에서는 상당히 센 바람이 불고 있다.In addition, the poles are usually installed at a height of about 15m or higher, so a fairly strong wind is blowing from the top.

그럼에도 불구하고, 전주 상단의 바람으로부터 얻을 수 있는 친환경 에너지를 효율적으로 활용하지 못하는 실정이다.Nevertheless, it is not possible to efficiently utilize the eco-friendly energy that can be obtained from the wind at the top of the pole.

국내 등록특허 제10-2131131호(2020.07.01.) 소음저감 주상변압기Domestic Patent Registration No. 10-2131131 (July 1, 2020) Noise reduction pole transformer 국내 등록특허 제10-1310122호(2013.09.06.) 지주부설식 풍력발전장치Domestic Patent No. 10-1310122 (2013.09.06.) Post-mounted wind power generator

본 발명은 상술한 바와 같은 종래 기술상의 제반 문제점들을 감안하여 이를 해결하고자 창출된 것으로, 전주에 설치되는 유입형 주상변압기의 상판 구조를 개선하여 절연유의 순환기능을 촉진함으로서 주상변압기의 소손, 폭발에 따른 인명사고를 막고, 안전사고를 예방할 뿐만 아니라 약 15m 높이의 지상고를 갖는 전주의 상단에 흐르는 바람에너지를 효율적으로 회수하면서 동시에 풍동에 의해 새들이 전주에 새둥지를 만드는 것을 방해하여 새둥지 생성에 따른 지락 등 안전사고의 발생 위험을 현저히 감소시키도록 개선된 아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템를 제공함에 그 주된 목적이 있다.The present invention was created to solve the problems in the prior art as described above, and by improving the structure of the top plate of the inflow type pole transformer installed on the pole to promote the circulation function of the insulating oil, the pole transformer burnout and explosion In addition to preventing human accidents and safety accidents, it also efficiently recovers the wind energy flowing at the top of the pole with a ground height of about 15 m, and at the same time prevents birds from making nests on the pole by the wind tunnel, thereby contributing to the creation of new nests. Its main purpose is to provide a pole system in which an inflow pole transformer with an improved arcuate top plate structure is installed to significantly reduce the risk of safety accidents such as ground faults.

본 발명은 상기한 목적을 달성하기 위한 수단으로, 전주(100)와, 상기 전주(100)에 설치되는 유입형 주상변압기(10)와, 상기 전주(100)의 상단에 설치되고 바람에 따라 회전되는 소형의 풍력유닛(200)을 포함하는 전주시스템에 있어서; 상기 유입형 주상변압기(10)는 주상변압기(10)의 상판(20)이 아치형으로 곡률지게 형성되되, 상기 상판(20)의 곡률은 C:4.5cm, P:3.2cm, E:1.2cm(여기에서, C는 상판의 중심에서의 높이, P는 중심과 에지의 절반 위치에서의 높이, E는 상판의 에지부 높이를 의미함)를 유지하도록 설계되고; 상기 풍력유닛(200)은 전주(100)의 상단에 끼워지는 원통형상의 고정하우징(210)과; 상기 고정하우징(210)의 상단부에 일체로 성형되어 형성되고, 상단 정점에는 개방부(222)가 형성된 내부가 빈 구형상의 축구(220)와; 상기 축구(220)에 끼워지는 형태로 안착되는 제1반구(230) 및 제2반구(240)를 포함하고; 상기 제1,2반구(230,240)의 일단에는 서로 대향되게 제1,2끼움편부(232,242)가 형성되고, 타단에는 각각 제1,2고정편부(234,244)가 각각 형성되며; 상기 제1,2반구(230,240)의 제1,2끼움편부(232,242)는 개재블럭(250)에 의해 간격이 유지된 채 고정구(252)를 통해 고정된 후 상기 축구(220)의 상단부에 형성된 개방부(222)를 통해 끼워지고; 상기 제1,2고정편부(234,244)에는 각각 동일구조를 갖는 수평판부(260)가 볼트 고정되며; 상기 수평판부(260)의 상면에는 다수의 수직기둥(270)이 고정되고, 상기 수직기둥(270)의 상단에는 발전기(280)가 고정되며, 상기 발전기(280)에는 발전팬(290)이 설치된 것을 특징으로 하는 아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템을 제공한다.The present invention is a means for achieving the above object, with an electric pole 100, an inflow pole transformer 10 installed on the electric pole 100, and installed on the upper end of the electric pole 100 and rotated according to the wind In the pole system including a small wind power unit 200 to be; In the inflow type pole transformer 10, the top plate 20 of the pole transformer 10 is formed to be curved in an arcuate shape, and the curvature of the top plate 20 is C:4.5cm, P:3.2cm, E:1.2cm ( where C is the height at the center of the upper plate, P is the height at the half position of the center and the edge, and E is the height of the edge portion of the upper plate); The wind power unit 200 includes a cylindrical fixed housing 210 fitted to the upper end of the electric pole 100; a spherical football 220 integrally formed with the upper end of the fixed housing 210 and having an open portion 222 formed at the upper apex; including a first hemisphere 230 and a second hemisphere 240 that are seated in a form fitted to the soccer 220; At one end of the first and second hemispheres 230 and 240, first and second fitting piece portions 232 and 242 are formed to face each other, and first and second fixing piece portions 234 and 244 are formed at the other end, respectively; The first and second fitting pieces 232 and 242 of the first and second hemispheres 230 and 240 are fixed through a fixture 252 while being spaced apart by an intervening block 250 and formed at the upper end of the soccer 220 fit through opening 222; Horizontal plate portions 260 having the same structure are bolted to the first and second fixing piece portions 234 and 244, respectively; A plurality of vertical pillars 270 are fixed to the upper surface of the horizontal plate part 260 , a generator 280 is fixed to the upper end of the vertical pillar 270 , and a power generation fan 290 is installed in the generator 280 . It provides an electric pole system installed with an inflow pole transformer of an arcuate top plate structure, characterized in that.

본 발명에 따르면, 전주에 설치되는 유입형 주상변압기의 상판 구조를 개선하여 절연유의 순환기능을 촉진함으로서 주상변압기의 소손, 폭발에 따른 인명사고를 막고, 안전사고를 예방할 뿐만 아니라 약 15m 높이의 지상고를 갖는 전주의 상단에 흐르는 바람에너지를 효율적으로 회수하면서 동시에 풍동에 의해 새들이 전주에 새둥지를 만드는 것을 방해하여 새둥지 생성에 따른 지락 등 안전사고의 발생 위험을 현저히 감소시키도록 개선된 효과를 얻을 수 있다.According to the present invention, by improving the structure of the top plate of the oil-inflow pole transformer installed on the electric pole to promote the circulation function of the insulating oil, it prevents personal accidents due to burnout and explosion of the pole transformer and prevents safety accidents as well as a ground clearance of about 15 m high The improved effect is to significantly reduce the risk of safety accidents such as ground faults caused by the creation of bird nests by efficiently recovering the wind energy flowing at the top of the pole with a wind tunnel and at the same time preventing birds from making nests on the pole by the wind tunnel. can be obtained

도 1은 종래 주상변압기의 설치예 및 그 형상을 보인 예시도이다.
도 2는 전주의 상단부에 까치집을 지은 예를 보인 예시적인 사진이다.
도 3은 본 발명에 따른 전주시스템에 설치되는 유입형 주상변압기의 예시도이다.
도 4는 본 발명에 따른 전주시스템에 설치되는 풍력유닛의 설치예를 보인 예시도이다.
도 5는 도 4의 풍력유닛을 더욱 구체화시킨 예시도이다.
도 6는 도 5의 요부를 확대하여 보인 예시도이다.1 is an exemplary view showing an installation example of a conventional pole transformer and its shape.
2 is an exemplary photograph showing an example of building a magpie house in the upper part of Jeonju.
3 is an exemplary view of an inflow type pole transformer installed in the pole system according to the present invention.
4 is an exemplary view showing an installation example of the wind power unit installed in the pole system according to the present invention.
5 is an exemplary view in which the wind power unit of FIG. 4 is further embodied.
6 is an enlarged view of the main part of FIG. 5 .

이하에서는, 첨부도면을 참고하여 본 발명에 따른 바람직한 실시예를 보다 상세하게 설명하기로 한다.Hereinafter, a preferred embodiment according to the present invention will be described in more detail with reference to the accompanying drawings.

본 발명 설명에 앞서, 이하의 특정한 구조 내지 기능적 설명들은 단지 본 발명의 개념에 따른 실시예를 설명하기 위한 목적으로 예시된 것으로, 본 발명의 개념에 따른 실시예들은 다양한 형태로 실시될 수 있으며, 본 명세서에 설명된 실시예들에 한정되는 것으로 해석되어서는 아니된다.Prior to the description of the present invention, the following specific structural or functional descriptions are only exemplified for the purpose of describing embodiments according to the concept of the present invention, and embodiments according to the concept of the present invention may be implemented in various forms, It should not be construed as limited to the embodiments described herein.

도 3 및 도 4에 도시된 바와 같이, 본 발명에 따른 아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템은 유입형 주상변압기(10)를 포함한다.As shown in FIGS. 3 and 4 , the pole system in which the inflow pole transformer of the arcuate top plate structure according to the present invention is installed includes the inflow pole transformer 10 .

이때, 상기 주상변압기(10)는 전주(100) 상에 고정되며, 상판(20)이 기존과 달리 아크(Arch) 형상으로 상부 정점을 기준으로 곡률을 갖도록 구성된다.At this time, the pole transformer 10 is fixed on the electric pole 100, and the upper plate 20 is configured to have a curvature based on the upper vertex in an arc shape unlike the conventional one.

이렇게 구성되게 되면, 일단 기계적 강도가 향상되며, 온도변화에 따라 절연유가 중앙 정점을 향해 상승한 후 둘레쪽으로 부드럽게 흘러내리는 방식으로 쉽고 빠르게 순환되는 특징이 있다.When configured in this way, once the mechanical strength is improved, the insulating oil rises toward the central apex according to the change in temperature and then flows down smoothly and quickly to the periphery, thereby circulating easily and quickly.

때문에, 절연유의 순환 효율성이 현저히 증가되어 폭발이나 소손의 위험을 급격히 줄일 수 있다.Therefore, the circulation efficiency of the insulating oil is significantly increased, so that the risk of explosion or burnout can be drastically reduced.

이로 인해, 고압측 절연간격을 증가시켜 절연특성도 향상시키므로 전력손실도 줄일 수 있다.For this reason, since the insulation characteristic is also improved by increasing the high-voltage side insulation interval, power loss can also be reduced.

이때, 본 발명에 따른 유입형 주상변압기는 배전용으로서 22.9kV, 380V, 220V 모두에 적용할 수 있다.At this time, the oil-immersed pole transformer according to the present invention can be applied to all of 22.9kV, 380V, and 220V for distribution.

특히, 상기 상판(20)의 곡률은 절연유의 순환시 저항력을 가장 적게 하면서 원활성을 확보하기 위해 실험한 결과, 아래 그림과 같은 수치 관계를 가질 때 가장 효과적인 것으로 확인되었다.In particular, the curvature of the upper plate 20 was tested to ensure smoothness while minimizing the resistance during circulation of the insulating oil. As a result, it was confirmed that it was most effective when it had a numerical relationship as shown in the figure below.

예컨대, 상기 상판(20)의 곡률은 아래 그림에서와 같이, C:4.5cm, P:3.2cm, E:1.2cm를 유지하는 곡률을 갖도록 설계된다.For example, the curvature of the upper plate 20 is designed to have a curvature that maintains C:4.5cm, P:3.2cm, and E:1.2cm, as shown in the figure below.

Figure 112021045918587-pat00001
Figure 112021045918587-pat00001

여기에서, C는 상판의 중심에서의 높이, P는 중심과 에지의 절반 위치에서의 높이, E는 상판의 에지부 높이를 말한다.Here, C is the height at the center of the upper plate, P is the height at half positions of the center and the edge, and E is the height of the edge of the upper plate.

한편, 본 발명에 따른 전주시스템은 전주(100)의 상단에 설치되고 바람에 따라 회전되는 소형의 풍력유닛(200)을 포함한다.Meanwhile, the electric pole system according to the present invention includes a small wind power unit 200 installed on the upper end of the electric pole 100 and rotated according to the wind.

이때, 상기 전주(100)에는 배전선을 고정하기 위한 다수의 완철(110)이 구비되는데, 보통 이 완철(110) 상에 까치 등이 새집을 짖는 것이 일반적이다.At this time, the electric pole 100 is provided with a plurality of arm-cheol 110 for fixing the distribution line, it is common for magpie and the like to bark a birdhouse on this arm-cheol 110 .

그런데, 본 발명에서는 완철(110) 바로 위에 바람의 방향에 따라 자유롭게 회전되는 회전체인 풍력유닛(200)이 설치되어 있기 때문에 이들의 회전으로 인해 새들이 쉽게 새집을 짖지 못하게 되어 새집 발생이 현저히 줄어들 것으로 예측된다.However, in the present invention, since the wind power unit 200, which is a rotating body that freely rotates according to the direction of the wind, is installed directly above the armrest 110, the birds cannot easily bark due to their rotation, so that the occurrence of new houses is significantly reduced. is predicted to be

그리고, 상기 풍력유닛(200)은 도 4,5의 예시와 같이 좀 독특하게 구성된다.And, the wind power unit 200 is configured a little uniquely as in the example of FIGS. 4 and 5 .

예컨대, 통상적인 방법은 대형베어링을 사용하여 전주상에 회전가능하게 고정하는 방식이지만, 그럴 경우 대형베어링을 설치하기도 어렵고 워낙 중량물이 되다보니 안전사고의 위험도 클 뿐만 아니라, 도전체이기 때문에 작업하는 과정에서 더욱 주의가 요구되어 작업효율이 현저히 떨어질 수 있다.For example, the conventional method is to use a large bearing to rotatably fix it on the electric pole, but in that case, it is difficult to install the large bearing and it becomes so heavy that there is a high risk of safety accidents as well as the process of working because it is a conductor. In this case, more attention is required, and work efficiency may be significantly reduced.

뿐만 아니라, 대형베어링이라고 하더라도 전주(100)에 끼워 설치하기도 어렵기 때문에 통상은 이분할 한 상태에서 플랜지 고정하는 방식으로 전주(100)의 둘레에 감싸 고정하는 형태를 갖게 되는데 이러한 구조는 고정안정성도 떨어진다.In addition, since it is difficult to install even a large bearing into the electric pole 100, it is usually wrapped around the electric pole 100 by a flange fixing method in a divided state. falls

이에 본 발명에서는 내구성이 강한 절연성 합성수지를 이용하여 경량화시킨 풍력유닛(200)을 적용함으로써 시공상 편의성, 안전사고의 위험, 감전사고 위험을 미연에 방지하고, 설치작업의 효율성을 확보하도록 구현하였다.Therefore, in the present invention, by applying the lightweight wind power unit 200 using a durable insulating synthetic resin, it was implemented to prevent construction convenience, safety accidents, and electric shock accidents in advance, and to secure the efficiency of installation work.

보다 구체적으로, 본 발명에 따른 풍력유닛(200)은 전주(100)의 상단에 끼워지는 원통형상의 고정하우징(210)을 포함한다.More specifically, the wind power unit 200 according to the present invention includes a cylindrical fixed housing 210 fitted to the upper end of the electric pole (100).

그리고, 상기 고정하우징(210)은 상기 전주(100)를 직경방향으로 관통하는 고정볼트(BT)와 고정너트(NT)에 의해 빠지지 않게 견고히 고정된다.And, the fixing housing 210 is firmly fixed not to fall out by the fixing bolt (BT) and the fixing nut (NT) passing through the electric pole 100 in the radial direction.

아울러, 상기 고정하우징(210)의 상단부에는 내부가 빈 구형상의 축구(220)가 일체로 성형되어 형성된다.In addition, the upper end of the fixed housing 210 is integrally formed with a spherical soccer 220 with an empty interior.

즉, 상기 축구(220)는 일종의 구형 회전축이 되는 것이다. 이렇게 만드는 이유는 회전자유도가 360°에 대해 매우 자유로워서 조그마한 바람에도 잘 회전될 수 있도록 하기 위함이다.That is, the soccer 220 is a kind of spherical rotation shaft. The reason for doing this is to ensure that the rotational degree of freedom is very free for 360°, so that it can be rotated well even in a small wind.

뿐만 아니라, 상기 축구(220)의 상단 정점에는 일정반경을 갖는 개방부(222)가 형성되고, 외주에는 제1반구(230) 및 제2반구(240)가 안착된다.In addition, an opening 222 having a predetermined radius is formed at the upper apex of the soccer 220, and the first hemisphere 230 and the second hemisphere 240 are seated on the outer periphery.

이때, 상기 제1,2반구(230,240)는 반구형상으로 형성된 부재로서 축구(220)에 끼워진 상태에서 축구(220)를 회전축 삼아 회전운동하는 회전체가 된다.At this time, the first and second hemispheres 230 and 240 are members formed in a hemispherical shape, and become a rotating body that rotates using the soccer 220 as a rotation axis while being inserted into the soccer 220 .

이 경우, 상기 제1,2반구(230,240)의 일단에는 서로 대향되게 제1,2끼움편부(232,242)가 형성되고, 타단에는 각각 제1,2고정편부(234,244)가 각각 형성된다.In this case, first and second fitting pieces 232 and 242 are formed at one end of the first and second hemispheres 230 and 240 to face each other, and first and second fixing piece portions 234 and 244 are formed at the other ends, respectively.

그리고, 상기 제1,2반구(230,240)의 제1,2끼움편부(232,242)는 개재블럭(250)에 의해 간격이 유지된 채 고정구(252)를 통해 고정된 후 상기 축구(220)의 상단부에 형성된 개방부(222)를 통해 끼워진다.In addition, the first and second fitting pieces 232 and 242 of the first and second hemispheres 230 and 240 are fixed through a fixture 252 while being spaced apart by an intervening block 250 , and then the upper end of the soccer 220 . It is fitted through the opening 222 formed in the.

아울러, 상기 제1,2고정편부(234,244)에는 각각 동일구조를 갖는 수평판부(260)가 볼트 고정된다.In addition, the horizontal plate part 260 having the same structure is bolted to the first and second fixing piece parts 234 and 244 , respectively.

그리고, 상기 수평판부(260)의 상면에는 다수의 수직기둥(270)이 고정되고, 상기 수직기둥(270)의 상단에는 발전기(280)가 고정되며, 상기 발전기(280)에는 발전팬(290)이 고정된다.In addition, a plurality of vertical pillars 270 are fixed to the upper surface of the horizontal plate unit 260 , and a generator 280 is fixed to an upper end of the vertical pillar 270 , and a power generation fan 290 is fixed to the generator 280 . this is fixed

그리하여, 바람이 불면 발전팬(290)이 회전하면서 발전기(280)를 돌려 전기를 생산하게 되며, 생산된 전기는 전주(100) 하부에 마련된 축전지(미도시) 혹은 ESS(에너지저장장치)에 저장된 후 한국전력에 되팔거나 혹은 필요한 용처로 보내 사용할 수 있다. 통상, ESS의 경우 이동형도 있기 때문에 이동형에 저장하게 되면 다양한 용처에서 다양한 용도로 활용할 수 있다.Thus, when the wind blows, the power generation fan 290 rotates and turns the generator 280 to produce electricity, and the generated electricity is stored in a storage battery (not shown) or ESS (energy storage device) provided under the electric pole 100 . Afterwards, it can be resold to KEPCO or sent to a place where it is needed for use. In general, in the case of ESS, there is also a portable type, so if it is stored in a portable type, it can be used for various purposes in various places.

특히, 이와 같은 구조를 갖게 되면 기존에는 하나의 전주(100)에 하나의 발전기와 발전팬(혹은 마주보고 설치시 최대 2개)만을 설치할 수 밖에 없었지만, 본 발명의 경우에는 베이스가 되는 수평판부(260) 자체가 바람의 방향에 따라 회전하기 때문에 그 위에 간격을 두고 다수의 기둥(270)을 설치할 수 있어 동시에 여러개의 발전기와 발전팬을 설치할 수 있기 때문에 그 만큼 발전효율이 증대되게 된다.In particular, when having such a structure, in the past, only one generator and a power generation fan (or up to two when installed facing each other) had to be installed on one electric pole 100, but in the case of the present invention, the horizontal plate part as a base ( 260) itself rotates according to the direction of the wind, so that a plurality of pillars 270 can be installed at intervals thereon, so that multiple generators and power generation fans can be installed at the same time, thereby increasing power generation efficiency.

뿐만 아니라, 발전시 배선은 개재블럭(250)과 전주(100)의 중심을 관통하여 배선되게 하고, 로터리조인트 및 슬립링을 이용하면 배선이 꼬이지 않은 상태로 축전할 수 있다. 이러한 배선구조는 공지된 것이고 본 발명의 핵심 기술사상이 아니기 때문에 구체적인 설명은 생략한다.In addition, during power generation, the wiring passes through the center of the intervening block 250 and the electric pole 100 , and when a rotary joint and a slip ring are used, electricity can be stored in a state in which the wiring is not twisted. Since such a wiring structure is known and is not a core technical idea of the present invention, a detailed description thereof will be omitted.

덧붙여, 도 6의 예시와 같이 상기 수평판부(260)는 'U'형상의 부재인 베이스판(2610)과, 상기 베이스판(2610)의 내부 바닥면에 돌출형성된 다수의 보스(2620)와, 상기 보스(2620)의 상단면에 요입형성된 요홈(2630)과, 상기 요홈(2630) 내부에 고정된 압전소자(2640)와, 상기 베이스판(2610)에 형성된 다수의 통풍구(2650)와, 상기 베이스판(2610)의 개방된 상부에 끼워지는 상판(2710)과, 상기 상판(2710)의 하면에서 돌출되고 상기 보스(2620)의 요홈(2630)에 끼워져 압전소자(2640)를 가압하는 보스돌기(2720)와, 상기 베이스판(2610)과 상기 상판(2710)을 내부에서 서로 탄성적으로 당겨 고정하는 다수의 압축스프링(2730)과, 상기 상판(2710)에 형성된 다수의 통기공(2740)을 포함한다.In addition, as in the example of FIG. 6 , the horizontal plate part 260 includes a 'U'-shaped member, a base plate 2610, and a plurality of bosses 2620 protruding from the inner bottom surface of the base plate 2610, A concave groove 2630 formed in the upper surface of the boss 2620, a piezoelectric element 2640 fixed inside the concave groove 2630, a plurality of ventilation holes 2650 formed in the base plate 2610, and the The upper plate 2710 fitted on the open upper part of the base plate 2610, and the boss projection protruding from the lower surface of the upper plate 2710 and fitted into the recess 2630 of the boss 2620 to press the piezoelectric element 2640 2720, a plurality of compression springs 2730 for elastically pulling and fixing the base plate 2610 and the upper plate 2710 from the inside, and a plurality of vent holes 2740 formed in the upper plate 2710 includes

이때, 상판(2710)의 결합은 압축스프링(2730)을 당겨 서로 건 상태에서 상판(2710)을 베이스판(2610)에 끼워 맞추면 된다. 그러면, 볼스(2620)와 보스돌기(2720)는 서로 형합되도록 설계되어 있기 때문에 쉽게 맞춰 끼울 수 있게 된다.At this time, the coupling of the upper plate 2710 is performed by pulling the compression spring 2730 and fitting the upper plate 2710 to the base plate 2610 in a state in which they are connected to each other. Then, since the balls 2620 and the boss projections 2720 are designed to be matched with each other, they can be easily fitted and fitted.

이에 따라, 바람이 불게 되면 제1,2반구(230,240)는 바람의 방향을 따라 축구(220)를 회전축으로 하여 회전되면서 정렬되고, 이때 맞바람을 받은 발전팬(290)이 원활하게 회전되면서 발전하게 된다.Accordingly, when the wind blows, the first and second hemispheres 230 and 240 are aligned while rotating with the soccer 220 as a rotation axis along the direction of the wind, and at this time, the power generation fan 290 receiving the crosswind rotates smoothly to generate electricity. do.

동시에, 바람의 일부는 통풍구(2650)를 통해 베이스판(2610)과 상판(2710) 사이의 공간 내부로 유입되면서 상판(2710)을 미세하게 밀어 올렸다 내렸다를 반복하게 된다. 이로 인해, 상판(2710)은 진동하게 되고, 이때 압전소자(2640)가 간헐적으로 눌려지면서 압전현상에 의해 전기를 일으키고 이 전기는 축전지(미도시) 혹은 ESS로 모이게 된다.At the same time, a portion of the wind is introduced into the space between the base plate 2610 and the upper plate 2710 through the ventilation hole 2650, and the upper plate 2710 is minutely pushed up and down repeatedly. Due to this, the upper plate 2710 vibrates, and at this time, the piezoelectric element 2640 is intermittently pressed to generate electricity by the piezoelectric phenomenon, and the electricity is collected in a storage battery (not shown) or ESS.

이에 따라, 발전효율을 더욱 높일 수 있다. 다만, 본 발명에 따른 풍력유닛(200)은 경량화되어 있기 때문에 일반적인 콘크리트 구조물의 수직풍력유닛과는 다르며, 그렇다는 완전히 가벼운 것도 아니기 때문에 상당한 풍압을 버티면서 발전하는데 전혀 지장이 없다. 물론, 그에 맞게 설계될 것이다.Accordingly, it is possible to further increase the power generation efficiency. However, since the wind power unit 200 according to the present invention is lightweight, it is different from the vertical wind power unit of a general concrete structure, and since it is not completely light, there is no hindrance in generating power while withstanding considerable wind pressure. Of course, it will be designed accordingly.

그리고, 이를 위해 상기 풍력유닛(200), 특히 고정하우지(210), 축구(220), 제1,2반구(230), 수직기둥(270), 베이스판(2610), 상판(2710), 보스(2620) 및 보스돌기(2720)는 모두 합성수지, 특히 다음과 같은 성형조성물로 성형됨으로써 높은 내구성과 절연성 및 내화성, 방습, 방오, 내열성을 갖도록 구성된다.And, for this, the wind power unit 200, in particular, the fixed housing 210, the soccer 220, the first and second hemispheres 230, the vertical column 270, the base plate 2610, the upper plate 2710, Both the boss 2620 and the boss protrusion 2720 are made of synthetic resin, in particular, the following molding composition to have high durability, insulation and fire resistance, moisture-proof, anti-fouling, and heat-resistance.

본 발명에 따른 성형조성물은 폴리카보네이트수지 100중량부에 대해, 프로필렌 글리콜 모노메틸 에테르(PM) 솔벤트에 분산되어 졸(sol)상태로 10-20nm의 입도를 갖는 ATO(Antimony doped Tin Oxide) 15중량부와, DOTP(Dioctyl Terephthalate) 20중량부와, 헥사플루오로프로필렌(Hexafluoropropylene) 10중량부와, 알루미나 5중량부, 수산화칼슘 10중량부, 세슘주석산화물 5중량부, 탄산스트론튬 5중량부 첨가 혼합 교반하여 조성된다.The molding composition according to the present invention, based on 100 parts by weight of the polycarbonate resin, is dispersed in propylene glycol monomethyl ether (PM) solvent and has a particle size of 10-20 nm in a sol state (Antimony doped tin oxide) 15 weight Buwa, 20 parts by weight of DOTP (Dioctyl Terephthalate), 10 parts by weight of hexafluoropropylene, 5 parts by weight of alumina, 10 parts by weight of calcium hydroxide, 5 parts by weight of cesium tin oxide, and 5 parts by weight of strontium carbonate are added and stirred. is formed by

이때, ATO는 안티몬이 도핑되어 적외선 차단율 20-60%, 자외선 차단율 99%를 유지시키는 물질로서, 나노 파우더 형태로 첨가되며, 프로필렌 글리콜 모노메틸 에테르(PM) 솔벤트에 분산되어 졸(sol)상태로 만들고, 이 졸 상태의 ATO가 일종의 반죽이 되면서 내열성, 경도, 내마모성을 함께 증대시키게 된다.At this time, ATO is doped with antimony to maintain an infrared blocking rate of 20-60% and an ultraviolet blocking rate of 99%. It is added in the form of nanopowder, and dispersed in propylene glycol monomethyl ether (PM) solvent to form a sol state. The sol state of ATO becomes a kind of dough, and heat resistance, hardness, and abrasion resistance are increased together.

또한, DOTP(Dioctyl Terephthalate)는 친환경 가소제로 열안정성이 우수하고 뛰어난 전성과 낮은 휘발성을 가진다.In addition, DOTP (Dioctyl Terephthalate) is an eco-friendly plasticizer that has excellent thermal stability and excellent malleability and low volatility.

뿐만 아니라, 아연은 열분해에 따른 폴리카보네이트의 손상을 방지하고 가공을 원활하게 만들어 주는 첨가제이다.In addition, zinc is an additive that prevents damage to polycarbonate due to thermal decomposition and facilitates processing.

아울러, 헥사플루오로프로필렌은 내열성을 높이면서 경화안정화를 유지하고 동시에 어느 정도 리지드한 굴곡강도를 확보하기 위해 첨가된다.In addition, hexafluoropropylene is added to increase heat resistance, maintain curing stability, and at the same time secure somewhat rigid flexural strength.

그리고, 알루미나는 내마모성 외에 내열성, 내식성, 전기절연성, 정밀가공성을 확보하기 위해 첨가되고, 수산화칼슘은 물에 용해되어 유리 칼슘 이온을 발생시키고, 이 유리 칼슘 이온과 규산이 반응하여 C-S-H 겔이 생성되도록 함으로써 공극 메움 및 피막 형성에 따른 균열 억제, 염해 차단, 방수 강화 기능, 방청 기능을 증대시킬 수 있게 된다.In addition to abrasion resistance, alumina is added to secure heat resistance, corrosion resistance, electrical insulation, and precision machinability, and calcium hydroxide is dissolved in water to generate free calcium ions, and the free calcium ions and silicic acid react to form CSH gel. It is possible to increase the crack suppression, salt damage blocking, waterproof reinforcement function, and rust prevention function according to void filling and film formation.

그리고, 세슘주석산화물(CsSnO)은 내열 변형저항성을 높여 내화 특성 강화 및 형태 변형을 억제하기 위해 첨가되며; 탄산스트론튬(SrCO3)은 성형면에 대한 평활도를 증대시켜 복굴절에 의한 반사능력을 높임으로써 차열, 단열 기능을 강화시키기 위한 것이다.And, cesium tin oxide (CsSnO) is added to increase the heat deformation resistance to strengthen the fire resistance properties and suppress the shape deformation; Strontium carbonate (SrCO 3 ) is to increase the smoothness of the molding surface to increase the reflective ability due to birefringence, thereby strengthening the heat shielding and insulating functions.

이렇게 만든 것을 사용하게 되면 내부식성은 물론, 내구성이 뛰어나 장수명화를 달성할 수 있다.If you use a product made in this way, it is not only corrosion-resistant, but also has excellent durability and long life can be achieved.

100: 전주
200: 풍력유닛100: Jeonju
200: wind unit

Claims (1)

전주(100)와, 상기 전주(100)에 설치되는 유입형 주상변압기(10)와, 상기 전주(100)의 상단에 설치되고 바람에 따라 회전되는 소형의 풍력유닛(200)을 포함하는 전주시스템에 있어서;
상기 유입형 주상변압기(10)는 주상변압기(10)의 상판(20)이 아치형으로 곡률지게 형성되되, 상기 상판(20)의 곡률은 C:4.5cm, P:3.2cm, E:1.2cm(여기에서, C는 상판의 중심에서의 높이, P는 중심과 에지의 절반 위치에서의 높이, E는 상판의 에지부 높이를 의미함)를 유지하도록 설계되고;
상기 풍력유닛(200)은 전주(100)의 상단에 끼워지는 원통형상의 고정하우징(210)과; 상기 고정하우징(210)의 상단부에 일체로 성형되어 형성되고, 상단 정점에는 개방부(222)가 형성된 내부가 빈 구형상의 축구(220)와; 상기 축구(220)에 끼워지는 형태로 안착되는 제1반구(230) 및 제2반구(240)를 포함하고;
상기 제1,2반구(230,240)의 일단에는 서로 대향되게 제1,2끼움편부(232,242)가 형성되고, 타단에는 각각 제1,2고정편부(234,244)가 각각 형성되며;
상기 제1,2반구(230,240)의 제1,2끼움편부(232,242)는 개재블럭(250)에 의해 간격이 유지된 채 고정구(252)를 통해 고정된 후 상기 축구(220)의 상단부에 형성된 개방부(222)를 통해 끼워지고;
상기 제1,2고정편부(234,244)에는 각각 동일구조를 갖는 수평판부(260)가 볼트 고정되며;
상기 수평판부(260)의 상면에는 다수의 수직기둥(270)이 고정되고, 상기 수직기둥(270)의 상단에는 발전기(280)가 고정되며, 상기 발전기(280)에는 발전팬(290)이 설치된 것을 특징으로 하는 아치형 상판구조의 유입형 주상변압기가 설치된 전주시스템.
An electric pole system including an electric pole 100, an inflow pole transformer 10 installed on the electric pole 100, and a small wind power unit 200 installed on the upper end of the electric pole 100 and rotated according to the wind in;
In the inflow type pole transformer 10, the top plate 20 of the pole transformer 10 is formed to be curved in an arcuate shape, and the curvature of the top plate 20 is C:4.5cm, P:3.2cm, E:1.2cm ( where C is the height at the center of the upper plate, P is the height at the half positions of the center and the edge, and E is the height of the edge portion of the upper plate);
The wind power unit 200 includes a cylindrical fixed housing 210 fitted to the upper end of the electric pole 100; a spherical soccer 220 integrally formed with the upper end of the fixed housing 210 and having an open portion 222 formed at the upper apex; including a first hemisphere 230 and a second hemisphere 240 that are seated in a form fitted to the soccer 220;
At one end of the first and second hemispheres 230 and 240, first and second fitting piece portions 232 and 242 are formed to face each other, and first and second fixing piece portions 234 and 244 are formed at the other ends, respectively;
The first and second fitting pieces 232 and 242 of the first and second hemispheres 230 and 240 are fixed through a fixture 252 while being spaced apart by an intervening block 250 and formed at the upper end of the soccer 220 fit through opening 222;
Horizontal plate portions 260 having the same structure are bolted to the first and second fixing piece portions 234 and 244, respectively;
A plurality of vertical pillars 270 are fixed to the upper surface of the horizontal plate part 260 , a generator 280 is fixed to an upper end of the vertical pillar 270 , and a power generation fan 290 is installed in the generator 280 . A pole system installed with an inflow pole transformer of an arcuate top plate structure, characterized in that
KR1020210050936A 2021-04-20 2021-04-20 Electric pole system with inflow columnar transformer with arched top plate structure KR102257451B1 (en)

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KR200217132Y1 (en) * 2000-10-26 2001-03-15 한국전력공사 Safety Appratus for prenenting OT injection in the pole transformer
JP2005036779A (en) * 2003-07-14 2005-02-10 Kazuya Atsumi Pole
KR101205710B1 (en) * 2011-08-18 2012-11-28 대원전기 주식회사 Multi-cap for installing overrhead earthwire combined with neutral line
KR101310122B1 (en) 2010-01-29 2013-09-17 유지산 Wind power generation apparatus installed additional t0 a pole
KR102131131B1 (en) 2020-04-17 2020-07-08 주식회사 케이피일렉트릭 Pole Transformer for Noise Reduction

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5386823U (en) * 1976-12-18 1978-07-17
KR200217132Y1 (en) * 2000-10-26 2001-03-15 한국전력공사 Safety Appratus for prenenting OT injection in the pole transformer
JP2005036779A (en) * 2003-07-14 2005-02-10 Kazuya Atsumi Pole
KR101310122B1 (en) 2010-01-29 2013-09-17 유지산 Wind power generation apparatus installed additional t0 a pole
KR101205710B1 (en) * 2011-08-18 2012-11-28 대원전기 주식회사 Multi-cap for installing overrhead earthwire combined with neutral line
KR102131131B1 (en) 2020-04-17 2020-07-08 주식회사 케이피일렉트릭 Pole Transformer for Noise Reduction

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