GIS for Africa - Esri

information.” Coordinating with the AFRICA GIS Conference, the WSSD focuses on the importance of building data partnerships and technology standards for sharing geographic information among many agencies across the continent. Its hope is to make GIS accessible at all levels of enterprise so information is readilyGet 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

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

Substations – CONCO Group

CONCO is recognised as Africa’s largest high voltage substation construction provider, with a capacity to construct substations from 11kV to 765kV. Our specialised engineers design, procure, construct and commission the following types of substations: Conventional outdoor substations (AIS) Gas-insulated substations (GIS)Get price

End of life estimation of HV switchgear and GIS substations

Jun 10, 2016 · GIS is characterised by high service reliability, low maintenance expenditure and long lifetimes. GIS technology requires more investment costs compared to air-insulated substations (AIS), however, due to its space saving features, this technology often offers the only solution where available space is limited.Get price

8- Gas Insulated VS Conventional

GAS INSULATED SUBSTATION (GIS) Vs CONVENTIONAL OUTDOOR SUBSTATION (AIS) By ENGR. RIAZ AHSAN BAIG Year of Publication 2004 0 ABSTRACT The author in his paper has made comparison of Gas Insulated Substation (GIS) with Conventional Air Insulated Substation (AIS). According to the author GIS are much more reliable, compact and maintenance free.Get price

GIS for digital substations - Hitachi ABB Power Grids

Advanced features to enable digital substations Hitachi ABB Power Grids' GIS can be equipped with control, protection and communication feature for smooth integration into substation automation systems using IEC 61850.Get price

Gas-Insulated Substations - GIS

Nov 10, 2010 · A gas-insulated substation (GIS) uses a superior dielectric gas, Sulfr hexafluoride, 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 Sulfr hexafluoride 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 sf6 gas can do in centimeters.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

Sulfr hexafluoride Decomposition tools for sale - rvcarcare.nl

The 973-SF 6 is an advanced SF 6 gas analyzer for the measurement of humidity, SF 6 purity and SO 2 concentration in SF 6 gas insulated switchgears (GIS) and other high voltage equipment. With its internal gas containment and recovery system, the 973-SF 6 provides a high quality and environmentally safe measurement solution within a single selfGet 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

Gis substation - SlideShare

Jul 12, 2014 · Comparison of GIS and AIS substation 11. Drawbacks of GIS 12. Growth of GIS substation 13. Future trends in GIS 14. Conclusion Contents 3. Introduction and governing standard This presentation covers the technical requirements and design aspects of a gas-insulated substation (GIS) as per governing standards of GIS substations.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

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 (sf6 gas) properties in terms of voltage withstand and current interruption zsf 6 main data zNeutral gas: insulators and live parts are perfectly protectedGet price

Electrical Maintenance Training courses in India | Laxmi

Substation technology – Developments future trends, Gas Insulated Substation (GIS) Air Insulated Substation – design, testing, monitoring and maintenance of substation equipment: 2 Day: Download: TR-B-16: Significance of Quality stage Inspection and type test of Power Transformer in Factory- A quality Aspect. 1 Day: Download: TR-B-17Get price

Electrical Houses (eHouse) - Packaging and Solutions | ABB

ABB eHouses are prefabricated transportable substations, designed to house medium voltage and low voltage switchgear, critical power equipment and automation cabinets. An eHouse solution is a cost effective, risk reduced alternative to conventional concrete block and brick construction.Get price

Company Profile - APC

and GIS Substations 15 Power Quality Analyzer -3000A, USA FLUKE 434 16 Oil Treatment M/C 9000 L/H, Switzerland MICAFLUID CONGO-Africa Ray Group Congo-Get price

Gas Insulated Substation (GIS) Electrical Power System

Gas Insulated 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.Get price

ETAP | Electrical Power System Analysis Software | Power

Using ETAP software in our electric power course provides students with a unique experience in analyzing real world electric system issues. They have a great opportunity to simulate and study issues common in industrial plants and electric utility systems with state-of-the-art software.Get price

Bay Control for GIS Transmission Substations

Bay Control for GIS Transmission Substations The control solution ensures safe and reliable control of GIS substations on transmission levels. It includes all components needed for the local supervision and control of a complete feeder and provides remote access interfaces.Get price

Substations | PGESCo

Substations implemented by PGESCo. The following substations have been implemented under supervision of PGESCo. The scope encompasses technical specifications, tendering, evaluation of offers, material procurement from successful bidders, contractors’ technical submittals review and finally construction management.Get 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