GOVERNMENT OF PAKISTAN MINISTRY OF WATER AND POWER

Substations, Augmentation of 18 existing substations and Conversion of 4 existing substations from Air Insulated Substation (AIS) to Gas Insulated Substation (GIS). Broad Baseline ConditionsGet price

Pakistan GIS | Free source of GIS/ RS data in Pakistan

Apr 17, 2020 · “Understanding Geographic Information Systems” is an introductory training being organized for students and professionals who stand at primary level in the field of GIS and want to enhance their learning about the subject.Get price

GIS Raster Data | Pakistan GIS - City_Pulse

OrbView-3 high resolution imagery of Pakistan is now available in public domain since January 9, 2012. The images in this catalogue have been acquired between 2003 to 2007 and include more than 2400 scenes with the resolution of 1 meter (pan) and 4 meters (multispectral) of different place in Pakistan.Get price

GOVERNMENT OF PAKISTAN MINISTRY OF WATER AND POWER

transformers in 500kV and 220kV substations; 2) conversion of Air Insulated Switchgear (AIS) to Gas Insulated Switchgear (GIS); 3) re-routing of single towers and poles and 4) changes and upgrades to buildings and control equipment. For new substations, the key activity is to construct new substations including transformers andGet price

GIS substations - Hitachi ABB Power Grids

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. Our in-depth knowledge of the power value chain, as well as grid codes and utility practices in use around the world, enable us to provide turnkeyGet 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

Pakistan GIS

May 09, 2012 · Pakistan GIS is offering GIS training courses for beginners interested in learning concepts and applications of GIS in different spheres of life. “ Understanding Geographic Information Systems” is an introductory training being organized for students and professionals who stand at primary level in the field of GIS and want to enhance theirGet 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

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 (insulating gas) properties in terms of voltage withstand and current interruption zsf 6 main data zNeutral gas: insulators and live parts are perfectly protectedGet 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 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 Sulfr hexafluoride can do in centimeters.Get price

GIS Training Courses in Pakistan - NobleProg Pakistan

Online or onsite, instructor-led live Geographic Information System (GIS) training courses demonstrate through interactive hands-on practice how to use a GIS to capture, store, manipulate, analyze, manage, and present spatial or geographic data. GIS training is available as "online live training" or "onsite live training".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

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

The Top 25 Gas Insulated Substation (GIS) Companies

Nov 27, 2017 · The latest research report from business intelligence provider visiongain offers a comprehensive analysis of the Top Gas Insulated Substation (GIS) Companies. The Gas Insulated Substation (GIS) is a compact assembly consisting of multiple components enclosed in a metallic covering with compressed sulphur hexafluoride (Sulfr hexafluoride) gas as an insulatingGet 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

Service Provider for Power Transformer Testing Commissioning

We carry out ETC for AIS as well GIS substations. We have our own advanced testing equipment to carry out necessary testing of the transformer and to get the work done quickly without depending on anybody. Services offered in Power Transformers Testing commissioning ; Offline Testing • Dielectric Frequency Response Analysis (DFR)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

ACUME - Electrical Engineering Services

INSTALLATION OF GIS SUBSTATIONS . Our Installation and startup team comprises wide range of skill-sets to setup all power systems and related assets in place as per the design specification of a substation. Our services provide sound technicalities and engineering expertise with greater extent of guidance to achieve a safe installation and startup.Get price

Mobile substations - Hitachi ABB Power Grids

The solutions are available for voltage levels up to 420 kV and all power ratings, and ensure reliable and high-quality energy supplies. Why Hitachi ABB Power Grids? Hitachi ABB Power Grids designed the first mobile substations for the Italian railway network in 1937Get price

Economics Between Conventional and Gas Insulated Substation

GIS Substation also offers unique advantages over air-insulated applications. GIS substations use gaz sf6 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

230kV GIS Mobile Substation - moshanir.co

230 kV GIS MOBILE SUBSTATION. PERIOD:‎ 2007 – 2010‎ EMPLOYER:‎ Kerman Regional Electric Company. TECHNICAL SPECIFICATIONS:‎ One 230/132 kV mobile substation including one 230 kV incoming feeder, 2 x 132 kV outgoing feeders, one 40 MVA transformer, one 230/20 mobile substation including one 230 kV incoming feeder and 4 x 20 kV outgoing feeders, one 25 MVA power transformerGet price

Alpine Enterprises

In Substation design and Transmission Lines, a lot of civil works involves including towers and equipment foundations, Building structures, road construction, material analysis etc. Alpine Enterprises has vast experience along with quality engineering staff to coup with the modern requirements of the field with professional design andGet price

SUBSTATION DESIGN - alpinepakistan.com

Contract Agreement DASU-TL-01. Design for 132 kV AIS Substation and Allied Transmission Line. Contract Agreement ADB-04-2007, Design for 220 kV GIS Substation, WAPDA Town, Lahore. Design Engineering work for 132 kV GIS, Benazir Bhutto International Airport, Islamabad.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

Gas Insulated Substation (GIS) Electrical Power System | Udemy

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

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

Services - Reliservsolution

Substation Automation Testing Commissioning Services Substation, Gas Air Insulated Switchgear Erection Testing and commissioning circuit-breakers Servicing , Testing CommissioningGet price

PES Services – PES

PES (Pakistan Engineering Services) is a network of professional engineers that are empowered to provide ingenious solutions. Building # 7 Sector B, Street 12, DHA, Phase 5, LahoreGet price

Siemens completes construction of two substations in Egypt

Dec 23, 2018 · Substations will enable power delivery to homes and industry, supplying 15mn Egyptians with electricity Siemens has announced the completion of two substation, Samanoud and Aboul Matameer in Egypt that were built to transmit electricity from the Burullus power plant to the national grid.Get price