Japan Geography GIS Links - Harvard University

Japan GIS Data Sources (Jul 2013)---- digital scholarship. NCC, Digital Scholarship in Japanese Studies---- digital scholarship. JapanMap (Harvard Univ)---- current---- browse current maps (with Sendai Earthquake data) MLIT Ministry of Land Information---- current. GSI Geological Survey of Japan---- current. Japan Topo Map Server---- currentGet price

GIS - GIS, Map and Statistics: Japan - Research Guides at

Apr 20, 2021 · Global Mapping project was advocated by The Ministry of Construction of Japan (current The Ministry of Land, Infrastructure, Transport and Tourism of Japan) aiming to develop digital geospatial datasets (Global Map) of the whole globe. Open to public. Landcover, vegetation, boundary, drainage, population, and transportation data are available.Get price

National Grid Begins Series of GIS Substation Replacements

National Grid is in the midst of replacing the outdoor 345 kilovolt Gas Insulated Substation (GIS) at the Brayton Point generating station in Somerset, Mass. with a new, state-of-the-art indoor facility. The GIS, originally built in the early 1970s to support the New England bulk transmission grid, is approaching the end of its useful life.Get price

Design of grounding system for GIS indoor substation | IEEE

Nov 24, 2004 · The grounding system design for GIS indoor substation is proposed in this paper. The design concept of equipotential ground grids in substation building as well as connection of GIS enclosures to main ground grid is described. The main ground grid design is performed according to IEEE Std. 80-2000. The real case study of grounding system design for 120 MVA, 69-24 kV distribution substation inGet 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

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 (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

Gas-Insulated Substations - GIS

Nov 10, 2010 · A gas-insulated substation (GIS) uses a superior dielectric gas, gaz sf6, 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 gaz sf6 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

National Grid Substations Technical Specification NGTS 2.1

This functional Specification covers all types of substation with equipment installed for use on 132, 275 and 400 kV 50 Hz systems. It is applicable to both open-terminal air-insulated (AIS) and metal-enclosed gas-insulated (GIS) substation constructions and covers equipment operated at lower voltages on the same substation site.Get price

Transforming the Transmission Industry | TD World

Apr 27, 2018 · Green Gas for Grid (g3, pronounced “g” cubed) is an insulating medium for high voltage (HV) switchgear designed by GE Power’s Grid Solutions business, in collaboration with 3M, which has seen growing adoption across the globe as a viable alternative to sulfur hexafluoride (Sulfr hexafluoride). sf6 gas is a man-made, fluorinated gas used widely throughout the transmission sector due to its excellent gaseous dielectric properties.Get price

PSEG Orders GIS for Substations | TD World

Nov 13, 2015 · The substations are part of PSEG’s program to protect and strengthen utility substations against increasingly frequent severe weather occurrences and enable reliable and resilient energy delivery. Hillsdale substation in Bergen County is a 50-year-old air-insulated switchgear (AIS) facility that will be upgraded to protect the infrastructureGet price

SSEN Transmission fights emissions with ‘greener grid

Dec 04, 2020 · The installation of GE’s Green Gas for Grid (g 3) switchgear at the Kintore substation, the first time globally that sf 6-free gas insulated switchgear will be used at a voltage level of 400 kV, will support this by avoiding the addition of roughly 350,000 tonnes of CO2 equivalent to the grid. This is comparable to removing over 138,000 cars from our roads for one year.Get price

Map - GIS, Map and Statistics: Japan - Research Guides at

Apr 20, 2021 · Perry-Castaneda Library Map Collection: Japan (U of Texas Austin) Provides country (1984 and 1997), topographic, regional, city, historical ( 1945 and 1954), and Thematic maps. open to public. Japan Rail Pass Map (Explore Japan)Get price

Comparison of AIS and GIS based on grounding design- A review

The AIS Live Tank substation requires a larger amount of electric energy than the GIS sub-station mainly because the AIS bus-bar is much longer than the GIS one resulting in higher resistance losses.[11] The GIS substation has a lower environmental impact than the AIS substation due to electricity losses four times less important thanGet price

GE to build four substations in Egypt - Gas To Power Journal

Sep 19, 2017 · Sept 19 – Egyptian Electricity Transmission Company (EETC) and GE have closed a $250 million contract that will see GE build and install four Gas-Insulated Substations (GIS) across Egypt to connect 7 GW to the country’s national power grid by the end of 2018.Get price

GE Power Grid Solutions launches new grid technology and

Aug 28, 2018 · To address these shifts, GE Power’s Grid Solutions business has launched a new compact F35 Gas Insulated Switchgear (GIS) for 72.5 kV networks. With a bay volume reduced by 23 and a 30% reduction in SF 6 mass this new GIS delivers reliable power to urban, industrial and wind-farm applications. For wind-turbines and collection platforms specifically, this enhanced design allows the power voltage transformer to feed auxiliaries under “no wind” conditions, making it the ideal interfaceGet price

Gopal Kulkarni - Group Manager - Sales and tendering, High

Strong partners and highly dedicated team members: Letrock the road to zero emission! Liked by Gopal Kulkarni It’s an exciting time in Transmission right now, the transition to a cleaner energy system, the digitalisation and connectivity of our substation…Get price

GE to Deliver Turnkey Grid Substation to One of the World’s

Dec 22, 2019 · Through this deal with ACCIONA – part of the consortium leading the development of the project, which includes Marubeni, Abdul Latif Jameel Commercial Development Company and Rawafid Alhadarah Holding Company – GE will provide a 380/132 kV GIS substation, including power transformers, Grid Automation and telecommunication systems that will complete the electricity connection in the Shuqaiq area, providing power to the new desalination plant loads.Get price

GE TD India commissions 33 AIS GIS substations in FY20

Jul 04, 2020 · The company has commissioned 14 bays of 400 kV gas insulated substation (GIS) and 11 bays 220 kV GIS along with two x 500 MVA, 400/220/33 kV transformer and one x 125 MVAR, 400 kV reactor for Sterlite at Sohna Road. Another key project includes, seven bays 132 kV, nine bays 33 kV GIS along with two x 40 MVA, 132/33 kV transformer for Odisha Power Transmission Corporation (OPTCL) at Mancheswar.Get price

Peng CHEN - Product Sales Manager - GE Grid Solutions | LinkedIn

Voir le profil de Peng CHEN sur LinkedIn, le plus grand réseau professionnel mondial. Peng a 5 postes sur son profil. Consultez le profil complet sur LinkedIn et découvrez les relations de Peng, ainsi que des emplois dans des entreprises similaires.Get price

Alstom TD India to supply GIS AIS substation packages for

Dec 31, 2013 · It will be directly connected to the 400 kV substation of Power Grid. All products for these three contracts will be delivered from Alstom TDs world class factories across India. Rathin Basu, Managing Director, Alstom TD India, says: Alstom is the leader in the GIS AIS activities in India.Get price

NILOTPAL SARMA - FACTS Control Design and - LinkedIn

In 2019 I have completed Pre-Commissioning Commissioning of DRC STATCOM(FACTS) at National Grid, UK substations rated +250/-100 MVAR. Presently working on Control and Protection Design of -500MVAR SVC TCR Kurukshetra India, PGCIL and NNG STATCOM ,EDF Renewables in Scotland.Get price

GE Supports Scotland’s Decarbonization Goals with Green Gas

Dec 03, 2020 · Scotland’s SSEN Transmission awards GE’s Grid Solutions a contract for world’s first 420 kV Green Gas for Grid (g³) gas-insulated substation (GIS) GE’s g³ technology is a game-changing alternative to sulphur hexafluoride (SF₆), an insulating and switching gas commonly used in substation equipment and the most potent greenhouse gas in the world The development of the circuit breakerGet price

Alstom TD India to supply Power Grids first Make in India

May 12, 2015 · The second installation at Navsari, will carry power generated at the Kakrapar Atomic Power Station. Both substations will feed power to the national grid. The contract scope includes design, engineering, manufacturing, installation and commissioning of the GIS at Betul including supply and erection of two 400/220/33 kV, 315 MVA auto transformers. The Navsari substation, which currently has eleven GIS bays, will be extended to include two additional bays.Get price

GE to deliver turnkey grid substation to Saudi plant - GulfToday

Dec 23, 2019 · Through this deal with ACCIONA - part of the consortium leading the development of the project, which includes Marubeni, Abdul Latif Jameel Commercial Development Company and Rawafid Alhadarah Holding Company - GE will provide a 380/132 kV GIS substation, including power transformers, Grid Automation and telecommunication systems that will complete the electricity connection in the Shuqaiq area, providing power to the new desalination plant loads.Get price

eBus en-route charging | ABB

ABB offers an ideal solution to charge electric buses fully automated following the OppCharge protocol. With typical charge times of 3 to 6 minutes the system can easily be integrated in existing operations, ensuring zero-emission public transit during the day without impacting on the normal operation of the route.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

Top 20 Gas Insulated Substation (GIS) Companies Report 2018

Jun 06, 2018 · With 155 tables and figures examining the GIS market space, the report gives you profiles of leading companies operating within the Gas Insulated Substation (GIS) market with financial analysis asGet price

Electricity sector in Japan - Wikipedia

Electricity transmission in Japan is unusual because the country is divided for historical reasons into two regions each running at a different mains frequency.. Eastern Japan (consisting of Hokkaido, Tohoku, Kanto, and eastern parts of Chubu) runs at 50 Hz; Western Japan (including most of Chubu, Kansai, Chugoku, Shikoku, and Kyushu) runs at 60 Hz.Get price

Grid Solutions - ge.com

Paris, France -- March 25, 2021: GE Renewable Energy’s Grid Solutions business (NYSE:GE) announced today it has been awarded a multi-million-dollar contract to upgrade three Gas-Insulated Substations (GIS) located in Khimti, Barhabise and Lapsiphedi in Nepal. These modern substations will deliver uninterrupted hydro energy to hundreds of thousands of households in the power scarce regions outside Nepal’s capital Kathmandu that still do not have access to the national grid.Get price