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"ground resistance" 검색결과 1-20 / 401건

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An Experimental Study on Ground Resistivity and Grounding Resistance of Water Environment

ground resistivity on the water surface and underwater of reservoir using Wenner 4-pin method, a ... general method of measuring ground resistivity. Also, grounding resistance of floating photovoltaic ... higher than resistivity at the river bed (97.5713[Ω․m]). Also the proposed grounding anchor method was

논문 | 6페이지 | 무료 | 등록일 2025.02.12 | 수정일 2025.02.15

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메쉬접지전극과 차폐패넬을 이용한 접지저항 및 접지전극간의 영향에 관한 연구 (Study on the Between the Grounding Resistance and Grounding Electrode using Mesh Grounding Electrodes and a Shielding Panel)

, when multiple grounding conductors are situated at the same resistance grounding area. Also, the ... validity of this theory is verified from a numerical simulation of the grounding electrode to be used in

논문 | 7페이지 | 무료 | 등록일 2025.03.27

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월별 대지저항률 변화에 따른 접지저항 측정값 보정계수 개발 (A Development of Correction Factor for Ground Resistance Measurement Value by Monthly Changes in Earth Resistivity)

The measurement of ground resistance is significantly affected by environmental conditions such as ... orrection coefficients to reduce ground resistance measurement errors. First of all, in order to ... . The results of this study are expected to solve the problem of changes in ground resistivity with s

논문 | 8페이지 | 무료 | 등록일 2025.03.12 | 수정일 2025.03.28

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대지구조 모델에 따른 봉형 접지전극의 접지저항값 변화 (The Variations of Grounding Resistance of the Vertical Electrodes by Soil Models)

resistance connection to the earth is sought from the grounding electrode. The grounding electrode is the ... foundation of the electrical safety system. The resistance to ground of vertical electrodes buried ... parameters. The equation of ground resistance of vertical electrodes are Tagg’s equation for uniform soil

논문 | 7페이지 | 무료 | 등록일 2025.03.12 | 수정일 2025.03.28

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가공지선이 연결된 송전철탑의 탑각저항 측정에 관한 연구 (A Study on the Measurement of Footing Resistance of Transmission Towers with Overhead Grounding wires)

electrically connected in parallel with overhead grounding wire, therefore footing resistance of ... are electrically connected in parallel with overhead grounding wire, therefore footing resistance of ... Footing Resistance of a 154 kV transmission towers in korea is commonly required to be less than 15

논문 | 4페이지 | 무료 | 등록일 2025.03.10 | 수정일 2025.03.28

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접지된 2개의 유전층위에 저항띠 양끝에서 0으로 변하는 저항띠 격자구조에서의 전자파산란 해석 (Analysis of Electromagnetic Scattering by Resistive Strip Grating with Zero Resistivity at the Strip-Edges On a Grounded 2 Dielectric Layers)

with zero resistivity at the strip-edges on a grounded 2 dielectric layers according as strip width ... 논문의 결과와 매우 잘 일치하였다. In this paper, electromagnetic scattering problems by a resistive strip grating ... boundary conditions are applied to obtain the unknown field coefficients and the resistive boundary c

논문 | 7페이지 | 무료 | 등록일 2025.03.14 | 수정일 2025.03.28

다운로드 장바구니
접지된 유전체 평면위의 스트립 양끝에서 0 저항율을 갖는 저항띠 격자구조에 의한 H-분극 산란 (H-Polarized Scattering by a Resistive Strip Grating with Zero Resistivity at Strip-Edges Over a Grounded Dielectric Plane)

this paper, H-polarized scattering problems by a resistive strip grating with zero resistivity at s ... trip-edges over a grounded dielectric plane according to the strip width and grating period, the ... resistivity of resistive strips has zero resistivity at strip edges, then the induced surface current

논문 | 6페이지 | 무료 | 등록일 2025.03.13 | 수정일 2025.03.28

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전위보조전극의 위치변화에 따른 접지저항 측정값의 상대오차분석 (Relative Error Analysis for Measuring Value of Ground Resistance according to Position Variation of Potential Probe)

position and the angle of the potential probes on the measurements of the ground resistance with the fall ... . In order to analyze the relative error for measuring value of ground resistance due to the position ... of the potential probe, ground resistance were measured in case that the distance of current probe

논문 | 7페이지 | 무료 | 등록일 2025.03.02 | 수정일 2025.03.06

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KEC 기준을 적용한 저압 전기설비의 접지저항값에 따른 접지계통 안전성 분석 (Earthing System Safety Analysis According to the Grounding Resistance Value of Low Voltage Electrical Equipment applied the KEC Standard)

the grounding resistance value, but in the case of design and construction of low voltage ... according to the grounding resistance value in terms of electric shock protection is reviewed by s ... dangerous voltage has become more important than the grounding resistance value, but in the case of design

논문 | 7페이지 | 무료 | 등록일 2025.03.12 | 수정일 2025.03.28

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지중열교환기 설치 조건이 지중 유효 열전도도와 보어홀 열저항에 미치는 영향 (The Effects of the Installation Conditions of Ground Loop Heat Exchanger to the Thermal Conductivity and Borehole Resistance)

resistance and the undisturbed ground temperature. This study was performed to investigate the ... on ground effective thermal conductivity and borehole thermal resistance. In this study, thermal ... , the borehole thermal resistance and the undisturbed ground temperature. This study was performed to

논문 | 8페이지 | 무료 | 등록일 2025.03.06

다운로드 장바구니
접지된 유전체 평면위의 변하는 저항율을 갖는 저항띠 격자구조에 의한 H-분극 산란 : 한쪽 모서리에서 유한하고 다른쪽 모서리로 가면서 0인 경우 (H-Polarized Scattering by a Resistive Strip Grating with the Tapered Resistivity Over a Grounded Dielectric Plane : from Finite at One Strip-Edge to Zero at the Other Strip-Edge)

by a resistive strip grating over a grounded dielectric plane according to the strip width and ... ). The tapered resistivity of resistive strips in this paper varies from finite resistivity at one ... edge to zero resistivity at the other edge, then the induced surface current density on the resistive

논문 | 6페이지 | 무료 | 등록일 2025.03.13 | 수정일 2025.03.28

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서냉 및 급냉 고로슬래그미분말을 활용한 시멘트 콘크리트 포장의 탄산화- 스케일링 복합열화 저항성에 대한 실험적 연구 (Experimental study on resistance of cement concrete pavement constructed using air-cooled and water-cooled ground blast-furnace slag exposed to combined carbonation and scaling)

with air-cooled (AS) and water-cooled (WS) ground blast-furnace slag exposed to multi-deterioration ... properties, such as compressive strength, flexural strength, and surface electric resistivity, were ... admixtures. Moreover, carbonated concrete showed good scaling resistance in comparison to uncarbonated

논문 | 8페이지 | 무료 | 등록일 2025.03.26 | 수정일 2025.03.28

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지반구조물 내진설계시 부지특성을 고려한 설계 지반운동연구 (A Study of Site-Specific Design ground Motions in Earthquake-Resistant Design for Geotechnical Structures)

한국지진공학회 권수영, 박인준

논문 | 10페이지 | 4,000원 | 등록일 2016.04.01 | 수정일 2023.04.05

다운로드 장바구니
등가반경개념에 의한 코어링 접지공사의 고찰 (Investigation of Coring Grounding Construction by Equivalent Radius Concept)

as Jeju is very high and it is difficult to acquire necessary grounding resistivity. This paper ... introduces the efficient grounding construction using coring technique for proper grounding resistance in ... resistivities are estimated using measured value of ground resistance and equivalent radius method

논문 | 8페이지 | 무료 | 등록일 2025.03.17 | 수정일 2025.03.28

다운로드 장바구니
콘크리트 전주 구조체의 접지효과 측정 및 분석 (Measurement and Analysis of Structural Grounding Effect of Concrete Pole)

grounding electrode, such as copper-clad rods, have been used to maintain CP's ground resistance ... . Based on the measured results, interrelationship between ground resistance of metal electrodes and c ... under the required value. The buried part of CP can also have structural grounding effect because of

논문 | 5페이지 | 무료 | 등록일 2025.03.02 | 수정일 2025.03.06

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임펄스전류의 인가위치에 따른 매설지선의 과도접지임피던스 특성 (Characteristics of Transient Grounding Impedances of Counterpoises Relevant to the Injected Point of Impulse Currents)

is similar to that of the transient grounding impedances. The ground resistance of counterpoises is ... 적이었다. This paper presents the dependances of transient grounding impedances of counterpoises on the s ... oil structures and the injected point of impulse currents. The transient and conventional grounding

논문 | 8페이지 | 무료 | 등록일 2025.03.04 | 수정일 2025.03.06

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대규모 접지전극 망의 접지성능 평가를 위한 겉보기저항곡선의 해석에 관한 연구 (A Study on the Interpretation Technique ofFall-Of-Potential Curve for Grounding Performance Evaluation of a Large Grounding Electrode Network)

resistance is a typical way of performance evaluation of a grounding electrode. Among various ground ... 로서 상부댐 접지극과 약 2[km] 떨어져있는 스위치야드 접지극이 상호 연결된 대형 접지극망에서 전위강하법 측정곡선 및 해석사례를 기술하였다. Measuring ground ... resistance measurement methods, FOP (Fall-Of-Potential) method has been widely used, especially in case

논문 | 6페이지 | 무료 | 등록일 2025.03.16 | 수정일 2025.03.28

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Determination of multilayer earth model using genetic algorithm (Determination of multilayer earth model using genetic algorithm)

potential on the ground's surface. The sets of soil resistivity used for GA are measured in Jeju area ... potential on the ground's surface. The sets of soil resistivity used for GA are measured in Jeju area ... that can be used in circuital or field simulations of grounding systems. This methodology allows to

논문 | 5페이지 | 무료 | 등록일 2025.03.01 | 수정일 2025.03.06

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판매자 표지

Semiconductor Device and Design - 6,

ommon ground line is not effective because the parasitic resistance in the ground line is defeats the ... forward resistance.4. Solution method of Latch up effect • The PWM source outputs a low signal to the ... inverter, which turns on the MOSFET. • If the parasitic trace resistance (R1) is large enough, the

리포트 | 16페이지 | 2,000원 | 등록일 2023.06.22

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스파이럴 볼트 변형률계를 이용한 연약지반기초 및 암반사면 거동 계측 (Measurement of Soft Ground Foundation and Rock Slope Behavior Using Spiral Bolt Strain Gauge)

apply the ground reinforcement because it has higher pull-out resistance to the ground. From the ... onsider applicability of spiral bolt strain gauge as an instrument measuring behavior of soft ground ... foundation and rock slope. When the instrument was installed on the ground, it can be useful to

논문 | 7페이지 | 무료 | 등록일 2025.03.19 | 수정일 2025.03.28

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