The application of GIS to air quality analysis in Taichung

Jan 01, 2002 · This paper presents a preliminary study for the evaluation of transport-related air pollution situations in an urban area. The authors utilize a geographic information system (GIS) which integrates a vehicle emission model, pollutant dispersion model, backward trajectory model and related databases to estimate the emissions and spatial distribution of traffic pollutants in Taichung, Taiwan, ROC.Get price

GIS Substation Design and Execution HV and EHV GIS

2014/04 - Houston - CED – GIS - 3 GIS introduction 1/7 gaz sf6 properties 1/3 zA GIS is the implementation, within a complete HV substation, of the remarkable sulphur hexafluoride (Sulfr hexafluoride) properties in terms of voltage withstand and current interruption zsf 6 main data zNeutral gas: insulators and live parts are perfectly protectedGet price

GIS substations - Hitachi ABB Power Grids

Hitachi ABB Power Grids substations with gas-insulated switchgear (GIS) are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and industrial customers. The robust and low maintenance GIS based design minimizes the substation’s footprint by as much as 70 percent, enabling it to be installed indoors, in busy urban areas and in harsh environments.Get price

Grounding of Urban GIS Substation Connected to ommercial

construction, gas-insulated substations (GIS) are widely used, mainly in urban city nowadays. A GIS is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. GIS technology was developed to make substations as compact as possible.Get price

Comparison of GIS and AIS systems for urban supply networks

GIS The GIS variant considered in the study consists of three HV transformer sub-stations located in the center of a city. The connection to the surrounding 110-kV net-work is provided by three cables run from the nearest HV substation to the main substation of the urban HV network. This main substation is configured as a doubleGet price

Recent Developments and new Trends GIS – MTS – AIS Substation

GIS – MTS – AIS Substation Technology Recent Developments and new Trends GIS – MTS – AIS Substation Technology Presentation on behalf of CIGRE SC B3 by. Wolfgang Degen. SAG Member of B3. Senior Technical Consultant . High Voltage Substations, SF. 6. [email protected] . IEEE Substations Committee 2011 . Joint IEEE/CIGRE MeetingGet price

Gas-Insulated Substations - GIS

Nov 10, 2010 · A gas-insulated substation (GIS) uses a superior dielectric gas, sf 6, at moderate pressure for phase-tophase and phase-to-ground insulation. The high voltage conductors, circuit breaker interrupters, switches, current transformers, and voltage transformers are in insulating gas gas inside grounded metal enclosures. The atmospheric air insulation used in a conventional, air-insulated substation (AIS) requires meters of air insulation to do what insulating gas can do in centimeters.Get price

Gis substation - SlideShare

Jul 12, 2014 · Total space required for a GIS is 10% of that needed for a conventional substation. 2. Difficult climatic and seismic conditions at site, like high altitude and atmospheric pollution 3. Aesthetically “superior” to air insulated substations 4. The higher the voltage, the more favorable gas insulated technology becomes.Get price

Gas insulated substation (GIS) versus Air insulated

Oct 28, 2020 · Gas insulated substation (GIS) design. The metal-enclosed gas insulated switchgear inherently follows the criteria for new substation design and offers a higher reliability and flexibility than other solutions. Due to the gas enclosed design, GIS is the most suitable solution for indoor and underground substations.Get price

Spatial analysis of groundwater quality using GIS system

Jun 10, 2015 · Spatial analysis of groundwater quality using GIS system 1. by, Aditya G1 Sathvik A S1, Kakumanu Venkata Sai Sumanth1, GrandhiPavan Kumar1, Alfhan1 Under the guidance of Asst Prof.Pradeep Raja K P2, Prof. Revanasiddappa M3 1Department of Electronics and Communication Engineering, 2Department of Civil Engineering, 3Department of Engineering Chemistry, Hosur Road, PESIT Bangalore South CampusGet price

Laois-Kilkenny Reinforcement Project

4.3.2 GIS GIS substations are purposefully compact to reduce overall compound required space. In a single busbar GIS substation, restrictions may be imposed on adjoining bays due to proximity or possibly gas compartment layout. The gas compartment layout will not impact on this substation as both 400kV 110kV substations are double busbar.Get price

The Top 25 Gas Insulated Substation (GIS) Companies

Nov 27, 2017 · The Gas Insulated Substation (GIS) is a compact assembly consisting of multiple components enclosed in a metallic covering with compressed sulphur hexafluoride (sf 6) gas as an insulating medium. The concept of the gas insulated substation was introduced in 1920 when oil was used as the insulating medium in the system.Get price

Selecting Substation Medium-Voltage Switchgear: GIS vs. AIS

Understanding differences between GIS and AIS in five points. BY GAETAN DJENANE, Schneider Electric, Inc. Many considerations must be taken into account before selecting the electrical medium-voltage (MV) switchgear that best meets a user’s needs.Get price

Economics Between Conventional and Gas Insulated Substation

GIS Substation also offers unique advantages over air-insulated applications. GIS substations use sf6 gas gas that reduces the distance needed between active and non-active switchgear parts, resulting in smaller overall space requirements. Southern California Public Power Authority Awards ABB Order for GIS Substation Project. (2004, February) Figure 1.Get price

Comparison and Analysis of On-Line Partial Discharge

Taiwan, people’s requests for better power supply quality are also shifted since their standards of living are also promoted. In addition to developing more sources of electricity, Taiwan Power Company also has to build more power substations, which demand for larger space. However, it is not easy to obtain the required space to meet the demand.Get price

GIS | High-Voltage Gas Insulated Switchgear Substations

A gas insulated substation (GIS) is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. GIS technology originated in Japan, where there was a substantial need to develop technology to make substations as compact as possible. The clearance required for phase to phase and phase to ground for all equipment is much lower than that required in an air insulated substation; the total space required forGet price

Construction and Service Life of GIS Substation - An

May 25, 2019 · GIS is assembled of standard equipment modules (circuit breaker, current transformers, voltage transformers, disconnect and ground switches, interconnecting bus, surge arresters, and connections to the rest of the electric power system) to match the electrical one-line diagram of the substation.Get price

Gis substation Manufacturers Suppliers, China gis

gis substation manufacturer/supplier, China gis substation manufacturer factory list, find qualified Chinese gis substation manufacturers, suppliers, factories, exporters wholesalers quickly on Made-in-China.com.Get price

Training Course on Harmonics, Power Quality Gas Insulated

The advantages, components, characteristics and operations of a gas insulated switchgears substations are also discussed in this course. This course will feature: Understanding types of power quality issues and harmonicsGet price

Medium Voltage blue GIS | Systems | Siemens Global

8DJH 12 – blue GIS for sustainable substation BKK Nett AS in Bergen, one of the most innovative Utilities in Norway, had a clear goal for a new MV switchgear for distribution substation: A compact ring main unit that would operate more sustainably, reliably and economically and could work at very low operation temperatures.Get price

THE TOP 25 GAS INSULATED SUBSTATION (GIS) COMPANIES

Jan 09, 2018 · The Gas Insulated Substation (GIS) is a compact assembly consisting of multiple components enclosed in a metallic covering with compressed sulphur hexafluoride (insulating gas) gas as an insulating medium.Get price

GAS INSULATED SUBSTATION (GIS) ARRANGEMENT CONSTRAINTS

For EHV substations in particular, overhead exits require spreading the GIS arrangement to meet minimum phase-tophase clearances in air. e) Position indicators. The arrangement should afford a clear view of as many mechanical position indicators for disconnecting and grounding switches, from as few locations as practical.Get price

Gas Insulated Substation (GIS) Electrical Power System | Udemy

Because the substation is enclosed in a building, a GIS is less sensitive to pollution, as well as salt, sand or large amounts of snow. Although the initial cost of building a GIS is higher than building an air insulated substation, the operation and maintenance costs of a GIS are less. The primary applications for gas insulated substations include:Get price

Engineer gis based transmission asset management | Fuschia

Monitors activities of new transmission substations, after commissioning, in-line with the departmental quality procedures. Conducts route cause analysis for the failure of GIS,LVAC system. Records maintains the abnormality data base for tripping of GIS and LVAC. Qualification Required: Degree/Diploma in Electrical/Mechanical Engineering.Get price

Ørsted inks Taiwan substation contract | 4C Offshore News

Nov 06, 2018 · Onshore substation is a crucial piece of infrastructure for our Greater Changhua wind farms. It will allow the incorporation of green energy into the power grid and bring clean energy to the households of Taiwan. This also marks the first step of our onshore construction in Changhua starting from early 2019.Get price

Risk analysis of hospitals using GIS and HAZUS: A case study

Aug 01, 2020 · The electricity supply to the hospital is provided by substations. These substations work to change the voltage level that is suitable for the distribution grid . In this study, 8 electrical substations around the hospitals of Yazd city were investigated. 2.2. Seismic hazard analysisGet price

EETC – Zahraa Nasr City GIS Substation – Egypt

EETC – Zahraa Nasr City GIS Substation – Egypt provides details on the background, scope and status of this project including project location, value, stage and key companies and personnel involved.Get price

Extensions, Upgrades Retrofits

Our services help customers around the globe to address growing demand for energy trading, integration of new generation and high-quality power supply to residential, commercial and industrial consumers. Upgrades and retrofits enable substation owners and operators to benefit from advances in technology.Get price