KR19990017916U - Grounding device of gas insulated switchgear - Google Patents
Grounding device of gas insulated switchgear Download PDFInfo
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- KR19990017916U KR19990017916U KR2019970031056U KR19970031056U KR19990017916U KR 19990017916 U KR19990017916 U KR 19990017916U KR 2019970031056 U KR2019970031056 U KR 2019970031056U KR 19970031056 U KR19970031056 U KR 19970031056U KR 19990017916 U KR19990017916 U KR 19990017916U
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- ground
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- gas insulated
- insulated switchgear
- grounding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/075—Earthing arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/025—Safety arrangements, e.g. in case of excessive pressure or fire due to electrical defect
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B13/00—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle
- H02B13/02—Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle with metal casing
- H02B13/035—Gas-insulated switchgear
- H02B13/0352—Gas-insulated switchgear for three phase switchgear
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gas-Insulated Switchgears (AREA)
Abstract
본 고안은 가스절연 개폐기의 접지장치에 관한 것이다. 종래에는 3상 일괄로 된 회로수 별로 접지붓싱을 각각 접속시킨 구조로 되어 있어 상기 회로에서 접지붓싱으로의 인출이 번거롭고 불편할 뿐만 아니라 원가상승의 한 요인이 되어 왔다. 따라서 본 고안은 단일 탱크 내에서 다수개의 3상으로 입출력되며, 개·폐 접지의 접지이동으로 선로구분 및 분기를 하는 가스절연 개폐기에 있어서, 상기 각각의 3상 및 회로별로 동시에 일괄하여 단독의 접지단자로 연결함으로써 배전선로상의 임의의 구간을 차단접지작업을 할 때, 접지작업의 의한 방전활동이 육불화항가스(SF6) 가스내에서 이루어져 작업자의 안전을 보장하고, 접지단자의 연결이 3상 및 회로별로 일괄접속이 행해지므로 작업의 용이성과 비용절감 효과를 갖게 되는 것이다.The present invention relates to a grounding device for a gas insulated switchgear. Conventionally, since the ground bushings are connected to each of the circuits in a three-phase package, drawing out of the circuits to the ground bushings is not only cumbersome and inconvenient, but also becomes a factor of cost increase. Therefore, the present invention is a gas insulated switchgear input and output to a plurality of three phases in a single tank, and the line separation and branching by the ground movement of the open and closed ground, the individual ground at the same time for each of the three phases and circuits alone when a given period of the shut-off grounding on the distribution lines by connecting a terminal, the discharge action by the grounding made within hexafluoride wherein gas (SF 6) gas ensuring the safety of workers, and the connection of the earth terminal 3 The collective connection is performed for each phase and circuit, thereby facilitating work and reducing costs.
Description
본 고안은 3-포지션 다회로 가스절연개폐기의 접지장치에 관한 것이다.The present invention relates to a grounding device for a three-position multi-circuit gas insulated switchgear.
일반적으로 발전소에서 약 20.000V 정도의 전압으로 만들어지는 전기는 송전에 적합한 초고압으로 승압되어 1차 변전소로 송전되고, 1차 변전소에서는 공급받은 전력을 22.9KV로 강하시켜 2차변전소 또는 각 수용가로 공급하고 있다. 또한 1차변전소로부터 공급된 전력은 가공배전선과 지중배전선으로 구성된 배전계통을 통하여 각 수용가의 수전설비로 공급되어지며 특고압수용가, 고압수용가 및 각종 옥외설치 변압기를 통하여 저압수용가에까지 공급되는데, 이때 지중배전선로의 선로구분 및 분기를 목적으로 3-포지션 다회로 개폐기가 사용되고, 현재는 육불화황가스(SF6)를 절연소재로 사용한 육불화항 가스절연개폐기가 널리 사용되고 있는 실정에 있다.In general, electricity generated at a voltage of about 20.000V in a power plant is boosted to a very high voltage suitable for power transmission, and is then transmitted to a primary substation. In a primary substation, power supplied to a secondary substation or each customer is dropped by 22.9 KV Doing. In addition, the electric power supplied from the primary substation is supplied to the receiving equipment of each customer through a distribution system consisting of overhead distribution lines and underground distribution lines. Three-position multi-circuit switchgear is used for line division and branching of distribution lines, and currently, hexafluoride gas insulated switchgear using sulfur hexafluoride gas (SF 6 ) as an insulating material is widely used.
상기 3-포지션 다회로 가스절연개폐기는 도 1 내지 도 4에 도시된 바와같이 본체(1)의 상부측에는 콘트롤러(2)가 있고, 이의 하부측에는 수개의 접점조작기구(3)와 함께 상시전원붓싱(4)이 구비되어 있다. 또한 상기 상시전원붓싱(4)의 하부측에는 3상으로 된 제1입력부(5) 및 제2출력부(5A), 제3출력부(5B), 제4출력부(5C)까 구비된다. 그리고 상기 제1입력부(5) 및 제2, 3, 4출력부(5A)(5B)(5C)의 상부측에는 제1입력부 접지붓싱(6) 및 제2, 3, 4출력부 접지붓싱(6A)(6B)(6C)이 각각 구비되어 있는 것으로, 이를 도 4를 참조로 하여 좀더 구체적으로 설명하면, 상기 제1입력부(5)의 A상 입력전원(A1)의 접지단자와, B상의 입력전원(B1)의 접지단자와, C상의 입력전원(C1)의 접지단자를 서로 연결하여 제1입력부(5)의 일측 제1접지붓싱(E1)에 연결하고; 제2출력부(5A)의 A상 출전원(A2)의 접지단자와, B상의 출력전원(B2)의 접지단자와, C상의 출력전원(C2)의 접지단자를 서로 연결하여 제2출력부(5A)의 일측 제2접지붓싱(E2)에 연결하며; 제3출력부(5B)의 A상 출력전원(A3)의 접지단자와, B상의 출력전원(B3)의 접지단자와, C상의 출력전원(C3)의 접지단자를 서로 연결하여 제3출력부(5B)의 일측 제3접지붓싱(E3)에 연결하고; 제4출력부(5C)의 A상 출력전원(A4)의 접지단자와, B상의 출력전원(B4)의 접지단자와, C상의 출력전원(C4)의 접지단자를 서로 연결하여 제4출력부(5C)의 일측 제4접지붓싱(E4)에 각각 연결되어 있다. 그리고 상기 제1, 2, 3, 4접지붓싱(E1)(E2)(E3)(E4)은 접속부재에 의해 지중에 접지되어 있다.As shown in Figs. 1 to 4, the three-position multi-circuit gas insulated switch has a controller 2 on the upper side of the main body 1, and a constant power bushing with several contact manipulation mechanisms 3 on the lower side thereof. (4) is provided. Further, the lower side of the power supply bushing 4 is provided with a first input part 5, a second output part 5A, a third output part 5B, and a fourth output part 5C in three phases. The first input part 5 and the second, third and fourth output parts 5A, 5B and 5C are provided on the upper side of the first input part ground bushing 6 and the second, third and fourth output part ground bushings 6A. 6B and 6C, respectively, which will be described in more detail with reference to FIG. 4, the ground terminal of the A-phase input power A1 of the first input unit 5 and the B-phase input. A ground terminal of the power source B1 and a ground terminal of the input power source C1 of the C phase are connected to each other to one side of the first ground bushing E1 of the first input unit 5; The second output unit is connected by connecting the ground terminal of the A-phase output power A2 of the second output unit 5A, the ground terminal of the B-phase output power source B2, and the ground terminal of the C-phase output power source C2 to each other. One side of the second ground bushing E2 of 5A; The third output unit is connected by connecting the ground terminal of the A-phase output power A3 of the third output unit 5B, the ground terminal of the B-phase output power source B3, and the ground terminal of the C-phase output power source C3 to each other. One side of the third ground bushing E3 of 5B; The fourth output unit is connected by connecting the ground terminal of the A-phase output power A4 of the fourth output unit 5C, the ground terminal of the B-phase output power source B4, and the ground terminal of the C-phase output power source C4 to each other. It is connected to one side 4th ground bushing E4 of 5C, respectively. The first, second, third, and fourth ground bushings E1, E2, E3, and E4 are grounded in the ground by a connection member.
또한 도 2는 종래의 가스절연개폐기의 내부를 보인 측면도이고, 도 4는 상기 가스절연개폐기의 접지상태를 보인 접지 구성도로서, 도 2에 도시된 바와같이 접점조작기구(3)의 상부측에는 콘트롤러(2)가 구비되고, 이의 하부측에는 접점조작기구(3)와 3-포지션기구(7)가 구비되어 있다. 그리고 상기 접점조작기구(3)의 하부측에는 제1입력부 접지붓싱(6) 및 제2, 3, 4출력부의 접지붓싱(6A)(6B)(6C)이 구비되고, 이의 하부측에는 제1입력부(5) 및 제2, 3, 4출력부(5A)(5B)(5C)의 A상 입출력전원 및 B, C상 입출력전원의 접지단자가 구비되어 있다. 또한 상기 3-포지션기구(7) 내부에는 A, B, C상 소호기구(8A)(8B)(8C)와 함께 도 3에 도시된 바와같이 유압실린더(9)와 조작래치(10), 고정접점대(11) 및 가변접점대(12)가 구비되어 있고, 이와함께 "ON"고정접점( )과, A, B, C상 접지단자(14A)(14B)(14C), A, B, C상 메인붓싱(15A)(15B)(15C)이 구비되어 있다.2 is a side view showing the inside of a conventional gas insulated switchgear, and FIG. 4 is a ground configuration diagram showing a ground state of the gas insulated switchgear, and as shown in FIG. 2, a controller on the upper side of the contact manipulation mechanism 3 is shown. (2) is provided, and on the lower side thereof, a contact manipulation mechanism 3 and a three-position mechanism 7 are provided. The first input part ground bushing 6 and the ground bushings 6A, 6B and 6C of the second, third and fourth output parts are provided on the lower side of the contact manipulation mechanism 3, and the first input part 5) and the A-phase input / output power supplies of the second, third, and fourth output sections 5A, 5B, and 5C, and the ground terminals of the B and C-phase input / output power supplies. In addition, the three-position mechanism 7 is fixed with the hydraulic cylinder 9 and the operating latch 10, as shown in FIG. A contact stand 11 and a variable contact point 12 are provided, together with the "ON" fixed contact point (A), A, B, and C phase ground terminals (14A) (14B) (14C), A, B, C phase main bushings 15A, 15B and 15C are provided.
그러나 상기에서와 같은 종래의 가스절연개폐기의 접지장치는 3상 일괄로 된 회로수 별로 접지붓싱을 각각 접속시킨 구조로 되어 있어 상기 회로에서 접지붓싱으로의 인출이 번거롭고 불편할 뿐만 아니라 원가상승의 한 요인이 되어 왔다. 따라서 본 고안의 목적은 회로에서 접지붓싱으로의 인출이 간편하게 이루어질 수 있도록 함과 아울러 원가절감을 가져올 수 있도록 하는 데 있다.However, the grounding device of the conventional gas insulated switchgear as described above has a structure in which the ground bushings are connected to each of the circuits in a three-phase package. It has been. Therefore, an object of the present invention is to make it easy to draw out from the circuit to the ground bushing and to bring down the cost.
도 1은 종래의 가스절연개폐기의 접지장치의 외관을 보인 정면도.1 is a front view showing the appearance of a grounding device of a conventional gas insulated switchgear.
도 2는 도 1의 가스절연개폐기의 내부를 보인 측면도.Figure 2 is a side view showing the interior of the gas insulated switchgear of Figure 1;
도 3은 도 2의 입출력부의 내부구조 상세도.3 is a detailed view of the internal structure of the input and output unit of FIG.
도 4는 종래의 가스절연개폐기의 접지상태를 보인 접지 구성도.Figure 4 is a ground configuration showing a ground state of a conventional gas insulated switch.
도 5는 본 고안에 의한 가스절연개폐기의 접지장치의 외관을 보인 정면도.Figure 5 is a front view showing the appearance of the grounding device of the gas insulated switchgear according to the present invention.
도 6도는 본 고안에 의한 입출력부의 내부구조 상세도.6 is a detailed view of the internal structure of the input and output unit according to the present invention.
도 7은 도 6의 접지상태를 보인 접지 구성도.Figure 7 is a ground configuration showing the ground state of FIG.
도 8은 도 7의 회로도.8 is a circuit diagram of FIG.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 본체2 : 콘트롤러1 Body 2 Controller
3 : 접점조작기구4 : 상시전원붓싱3: contact control mechanism 4: continuous power bushing
5 : 제1입력부5A, 5B, 5C : 제2, 3, 4출력부5: First input section 5A, 5B, 5C: 2nd, 3, 4 output section
6 : 제1입력부 접지붓싱6A, 6B, 6C : 제2, 3, 4출력부 접지붓싱6: Ground bushing of the first input part 6A, 6B, 6C: Ground bushing of the second, third, and fourth output parts
7 : 3-포지션기구8A, 8B, 8C : A, B, C상 소호기구7: 3-position mechanism 8A, 8B, 8C: A, B, C phase arc mechanism
9 : 유압실린더10 : 조작래치9: hydraulic cylinder 10: operation latch
11 : 고정접점대12 : 가변접점대11: fixed contact point 12: variable contact point
13 : "ON"고정접점14A, 14B, 14C : A, B ,C 상 접지단자13: "ON" fixed contact 14A, 14B, 14C: A, B, C phase ground terminal
15A, 15B, 15C : A, B, C상 메인붓싱15A, 15B, 15C: A, B, C phase main bushing
E : 접지붓싱E: Ground Bushing
이러한 본 고안의 목적을 달성하기 위하여 단일 탱크내에서 다수개의 3상으로 입출력되며, 개폐접지의 접점이동으로 선로구분 및 분기를 하는 가스절연개폐기에 있어서, 상기 각각의 3상 및 회로별로 동시에 일괄하여 단독의 접지단자로 연결한 것을 특징으로 하는 가스절연개폐기의 접지장치가 제공된다.In order to achieve the object of the present invention, a gas insulated switchgear which is inputted and outputted in a plurality of three phases in a single tank, and which divides and branches the line by moving the contact of an open / closed ground. Provided is a grounding device for a gas insulated switchgear, which is connected to a single ground terminal.
이하 첨부된 도면을 참조로 하여 본 고안의 구성을 실시예에 따라 설명한다. 도 5는 본 고안에 의한 가스절연개폐기의 접지장치의 외관을 보인 정면도이고, 도 6도는 본 고안에 의한 입출력부의 내부구조 상세도이며, 도 7은 도 6의 접지상태를 보인 접지 구성도, 도 8은 도 7의 회로도로서, 이 가스절연개폐기는 통상에서와 같이 제1입력부(5)의 A상 입력전원(A1)의 접지단자와, B상의 입력전원(B1)의 접지단자와, C상의 입력전원(C1)의 접지단자를 서로 연결하여 제1입력부(5)의 일측 제1접지붓싱(E1)에 연결하고; 제2출력부(5A)의 A상 출력전원(A2)의 접지단자와, B상의 출력전원(B2)의 접지단자와, C상의 출력전원(C2)의 접지단자를 서로 연결하여 제2출력부(5A)의 일측 제2접지붓싱(E2)에 연결하며; 제3출력부(5B)의 A상 출력전원(A3)의 접지단자와, B상의 출력전원(B3)의 접지단자와, C상의 출력전원(C3)의 접지단자를 서로 연결하여 제3출력부(5B)의 일측 제3접지붓싱(E3)에 연결하고; 제4출력부(5C)의 A상 출력전원(A4)의 접지단자와, B상의 출력전원(B4)의 접지단자와, C상의 출력전원(C4)의 접지단자를 서로 연결하여 제4출력부(5C)의 일측 제4접지붓싱(E4)에 각각 연결된다. 이러한 가스절연개폐기의 접지장치에 있어, 본 고안은 도 6 및 도 7에 도시된 바와같이 A, B, C상 접지단자에 부스바(16)를 사용하여 일괄적으로 연결하고, 이를 단독의 접지붓싱(E)에 연결한 것이다. 즉 도 5에 도시된 바와 같이 제1입력부(5) 및 제2, 3, 4출력부(5A)(5B)(5C)의 위쪽 일측에 상기 제1입력부(5) 및 제2, 3, 4출력부(5A)(5B)(5C)의 접지붓싱(6)(6A)(6B)(6C)이 개별적으로 구비되지 않도 단지, 한 개의 접지붓싱(E)만이 구비되는 것이다.Hereinafter, with reference to the accompanying drawings will be described the configuration of the present invention according to the embodiment. Figure 5 is a front view showing the appearance of the grounding device of the gas insulated switchgear according to the present invention, Figure 6 is a detailed view of the internal structure of the input and output unit according to the present invention, Figure 7 is a ground configuration showing the ground state of Figure 6, 8 is a circuit diagram of FIG. 7, wherein the gas insulated switch is a ground terminal of the A-phase input power supply A1 of the first input unit 5, a ground terminal of the B-phase input power source B1, and a C-phase. The ground terminals of the input power source C1 are connected to each other to one side of the first ground bushing E1 of the first input unit 5; The second output unit is connected by connecting the ground terminal of the A-phase output power A2 of the second output unit 5A, the ground terminal of the B-phase output power source B2, and the ground terminal of the C-phase output power source C2 to each other. One side of the second ground bushing E2 of 5A; The third output unit is connected by connecting the ground terminal of the A-phase output power A3 of the third output unit 5B, the ground terminal of the B-phase output power source B3, and the ground terminal of the C-phase output power source C3 to each other. One side of the third ground bushing E3 of 5B; The fourth output unit is connected by connecting the ground terminal of the A-phase output power A4 of the fourth output unit 5C, the ground terminal of the B-phase output power source B4, and the ground terminal of the C-phase output power source C4 to each other. It is connected to one side 4th ground bushing E4 of 5C, respectively. In the grounding device of such a gas insulated switchgear, the present invention is connected to the A, B, C-phase ground terminal as shown in Figs. It is connected to the bushing (E). That is, as shown in FIG. 5, the first input part 5 and the second, third and fourth parts are located on the upper side of the first input part 5 and the second, third and fourth output parts 5A, 5B and 5C. Even if the ground bushings 6, 6A, 6B, 6C of the output sections 5A, 5B, 5C are not individually provided, only one ground bushing E is provided.
이같이 본 고안은 배전선로상의 임의의 구간을 차단접지작업을 할 때, 접지작업의 의한 방전활동이 육불화황가스(SF6)가스내에서 이루어져 작업자의 안전을 보장하고, 접지단자의 연결이 3상 회로별로 일괄접속이 행해지므로 작업의 용이성과 비용절감 효과를 갖게 되는 것이다.As such, the present invention ensures the safety of the workers by discharging the grounding work in the sulfur hexafluoride gas (SF 6 ) gas when the grounding work is interrupted in any section on the distribution line. Since the collective connection is performed for each phase circuit, the work can be easily performed and the cost can be reduced.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970031056U KR200183886Y1 (en) | 1997-11-05 | 1997-11-05 | Grounding device of gas insulated switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019970031056U KR200183886Y1 (en) | 1997-11-05 | 1997-11-05 | Grounding device of gas insulated switchgear |
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| Publication Number | Publication Date |
|---|---|
| KR19990017916U true KR19990017916U (en) | 1999-06-05 |
| KR200183886Y1 KR200183886Y1 (en) | 2000-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR2019970031056U KR200183886Y1 (en) | 1997-11-05 | 1997-11-05 | Grounding device of gas insulated switchgear |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102086949B1 (en) * | 2019-04-11 | 2020-03-10 | 주식회사 에스에이치솔텍 | The busbar for eco-friendly gas insulated load break switch to possess modular design of insulation parts |
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1997
- 1997-11-05 KR KR2019970031056U patent/KR200183886Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102086949B1 (en) * | 2019-04-11 | 2020-03-10 | 주식회사 에스에이치솔텍 | The busbar for eco-friendly gas insulated load break switch to possess modular design of insulation parts |
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| Publication number | Publication date |
|---|---|
| KR200183886Y1 (en) | 2000-06-01 |
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