GIS for Africa - Esri

databases through which data can be accessed and shared. GIS analysis tools will enable users to conduct advanced spatial analy-ses. The GIS combines Microsoft® Access and ArcView® as well as various GIS extensions. The first GIS task was to compile a fully georeferenced and taxo-nomically classified ArcView biodiversity database for Madagas-car.Get price

Substation and switchgear techs: GIS is seen - ESI Africa

May 22, 2018 · The battle between insulated substation technologies is not new, says Ahmed Mousa, Manager: Distribution 69kV Transmission Planning at PSEG, US but the differences between Air Insulated Switchgear and Gas Insulated Switchgear as well as the elements that make gas more attractive than air, remains a topic of interest.Get price

End of life estimation of HV switchgear and GIS substations

Jun 10, 2016 · Substation 1: The PD inception voltage was in the range between normal service voltage of 72 kV and rated voltage of 123 kV. Substation 2: The PD inception voltage occurred in the range of the rated voltage of 123 kV. Withstand voltage tests. Substation 1: The rated power frequency withstand voltage was not fulfilled. Various flashovers and disruptive discharges appeared even at voltages distinctly below the onsite test voltage of 184 kV.Get price

Power Line and Substation Design - Trans-Africa Projects

Trans-Africa Projects’ substation design division is a one-stop supplier of design solutions for substation design services. We carry out thorough assessments, analysing and understanding substation configuration, layout, key elements and principles, equipment- and functional specifications which we incorporate and administer within ourGet price

Modelling and Calibration of WDS. A New GIS Approach.

calibration process consists of adjusting a set of physical and operational parameters for the purpose of achieving a reasonable match between measured and computed pressures and flows in the network. The integration of GIS and hydraulic modelling software, offers many additional capabilities of analysis and data management.Get price

Measuring partial discharge in GIS - Think Grid

To overcome this constraint, a parallel technology was developed, the Gas-Insulated Substation (GIS), using a gas, for example sulphur hexafluoride (SF 6), at high pressure. SF 6 has excellent dielectric properties and is used as the insulating medium between the phases and between the phases and earth. As a consequence, a GIS is much more compact.Get price

GIS Substation Design and Execution HV and EHV GIS

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

CA Substations FMEA slides

Substation FMEA Failure Modes and Effects Analysis additional engineering review on quality of material Subject Matter Expert 106 3 180 3 calibration, lockGet price

Preventive maintenance of substation equipment and

Sep 30, 2019 · The land area required for a GIS substation is in the order of 10% to 20% of that for an AIS substation considering the switchgear bay. The saving in overall land area depends very much on the specific voltage level and the connection to transformers, reactors and incoming and outgoing lines .Get price

Critical Substation Risk Assessment and Mitigation

Critical Substation Risk Assessment and Mitigation Jacques Delport General Audience Abstract Substations are key components to the continued and reliable operation of the power system.Get price

International Journal of Scientific Engineering Research

Gas insulated substation (GIS) are mixture of technologies with interfaces between components providing mechanical, dielectric and current carrying functions. An adequate quality assuring testing process therefore has to be developed which will ensure fulfillment of these requirements during the complete GIS life cycle.Get price

Gas-insulated switchgear from 72.5 to 550 kV

switchgear (GIS). The GIS concept soon turned out highly successful, and immediately set new standards in terms of performance and reliability. Ever since, Siemens GIS have played a central role in supplying power safely, worldwide. Today, Siemens has installed more than 28,000 indoor and outdoor switch bays worldwide, and well over 300,000 bay-Get price

LOW POWER INSTRUMENT TRANSFORMER KITS

› Power quality analysis. › Technical and non-technical losses analysis. › Multilevel feeder reconfiguration. › Distribution operation model analysis. › Installing a new a GIS compact substation equipped with voltage and current sensors › UNDERSENS voltage sensor installed in Air insulated secondary substation ›Get price

Catchment hydrology management using GIS: case study of the

linking Geographical Information Systems (GIS), water quality and -quantity modelling and data for the purposes of ICM. The set-up costs of installed systems are naturally higher than those for models, which only deal with one aspect at a time. However, experience in the USA, Europe, Australia, South Africa and elsewhere has shown that these costsGet price

Gas-insulated switchgear (GIS) - Hitachi ABB Power Grids

GIS is used where space is limited, for example, extensions, in city buildings, on roofs, on offshore platforms, industrial plants and hydropower plants. Hitachi ABB Power Grids has always been and continues to drive innovation in GIS technology in ratings, operations, switching technology, smart control and supervision, and compactness.Get price

Partial Discharge Analysis in HVDC GIS (Gas Insulated

Partial Discharge Analysis in HVDC GIS (Gas Insulated Substations) The GIS have a sealed metal-enclosure that keeps the gas under pressure and avoids leakage of insulating gas, a strong greenhouse gas. In Figure 1 is shown a representation of a section of a GIS.Get price

ABB powers Africa’s largest gas-insulated switchgear installation

Feb 07, 2019 · Gas-insulated electrical substation to strengthen power reliability in Johannesburg. A thriving city and a global financial hub, Johannesburg is the largest metropolis in South Africa. The substantial increase in economic and population growth over the last decade has increased the need for more reliable power. To address the needs of growing electricity demand, Sebenza substation will supply help in the delivery of an additional 30 percent electricity into the national grid.Get price

Laois-Kilkenny Reinforcement Project

2.1 AIS Substation Description 6 2.2 GIS Substation Description 6 3 GIS and AIS Substation Sizes 7 3.1 AIS Substation Size 7 3.2 GIS Substation Size 7 4 Maintenance Operational Flexibility 8 4.1 AIS Maintenance Requirements 8 4.2 GIS Maintenance Requirements 8 4.3 AIS v GIS – Operational Flexibility 8Get price

Gas-insulated switchgear | Portfolio | Siemens Energy Global

The Siemens Energy range of gas-insulated switchgear (GIS), for rated voltages from 72.5 kV up to 550 kV, is an extremely successful product concept.Get price

Electrical Switchgear Risk Assessment Study Hazard Analysis

Carelabs is licensed provider of electrical InstallationStudy, Analysis, Inspection, and Certification services in UAE, and offer electrical switchgear risk assessment and hazard analysis services.Get price

Gas-insulated Switchgear (GIS) Testing - OMICRON

Gas-insulated switchgear (GIS) is very compact and therefore represents a space-saving alternative to classic air-insulated installations. The low insulation distances are guaranteed by the high dielectric strength of the sulfur hexafluoride (gaz sf6) gas. A perfect condition of the insulation is essential for ensuring a reliable operation of GIS.Get price

GIS Mapping Software, Location Intelligence Spatial

Esri’s GIS mapping software is the most powerful mapping spatial analytics technology available. Learn how businesses are using location intelligence to gain a competitive advantage.Get price

ETAP | Electrical Power System Analysis Software | Power

The ITER Project selected ETAP as the electrical analysis tool for several reasons. The U.S. nuclear qualification ensures high level of quality. Moreover, in an international environment like ITER, ETAP demonstrated a high level of support in all the countries involved in the project.Get price

EPC (GIS AIS) - TBEA Energy (India) Private Limited

Substation is the prime element of electrical energy system.TBEA having a specialized and well experienced key area in the field of transmission and distribution of electrical energy, provides comprehensive solution with minimum usage of your resources in any site conditions and at any level of voltage.Get price

GIS for digital substations - Hitachi ABB Power Grids

Hitachi ABB Power Grids' GIS can be equipped with control, protection and communication feature for smooth integration into substation automation systems using IEC 61850. For connection to the IEC 61850-9-2 process bus, non-conventional instrument transformers (NCITs) for GIS with merging units are used for sampled values for protection andGet price

Panafrica Geoinformation Services

Panafrica Geo-Information Services (Panafrica GIS) is a technology-enthusiast company and operated by well experienced professionals in the field of geo-information. The company believes that in order to realize a sustained and inclusive growth for Africa, a reliable and timely supply of geo-information services is very crucial.Get price

Gas Insulated Switchgear Market Size, Share Global Report, 2026

Market TrendsMarket DriversMarket RestraintSegmentationRegional AnalysisKey Industry PlayersKey Industry DevelopmentsReport CoverageRequest a Free sampleto learn more about this report. Increasing Energy Demand Fuel Market Growth The growing population and growing rate of urbanization are likely to increase the demand for energy across the globe. According to the United Nations report in 2018, about 55% of the world’s population lives in urban areas, which is projected to increase to 68% by 2050. The extensive population shifting to cities is increasing the demand for electricity. Moreover, enormous construction activities to build commercial spaces, business parks, and housing societies are set to spike power demand. Hence, the space constraint in urban localities and growing energy demand is projected to further propel the gas insulated switchgear market growth during the forecast period.Get price

Alok Singh, PMP - Substation Transmission Line - Africa BU

• Responsible for Project Planning of J3 project 220/33kV GIS Substation, 220kV Cable Laying and plant Electrical system viz. LDPE, LLDPE, Paraxylene plant etc. • Responsible for preparing complete project schedule by using Primavera (P6). • Preparation of DPR/WPR Look-ahead Schedule.Get price