China GIS Data | Center for Geographic Analysis, Harvard

See also the article Restrictions on Geodata in China and the section on GJC-02 datum and BD-09 coordinate system. Historical China - China Historical GIS the main collection of datasets showing the administrative system of China from 222 BCE to 1911 CE. - ChinaHistory in Maps an online webmap system for browsing historical China data layers.Get price

GIS Substation Design and Execution HV and EHV GIS

2014/04 - Houston - CED – GIS - 3 GIS introduction 1/7 insulating 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 zsf6 gas main data zNeutral gas: insulators and live parts are perfectly protectedGet price

GIS application to distribution substation planning in MEA's

Jun 27, 2015 · GIS is extensively used in the planning process as it contains comprehensive topological information of electrical equipment from transmission substations, distribution substations, power transformers, and distribution transformers to revenue meters at customers' sites.Get price

Global GIS Substations Market 2019 by Manufacturers, Regions,

Dec 19, 2019 · Global GIS Substations Market Expand To $33812.74 Million By 2025 From $26490.10 Million In 2019 A GIS substation is a high voltage substation in which the major structures are contained in aGet price

DEVELOPMENT OF GEOGRAPHIC INFORMATION SYSTEMS (GIS) IN CHINA

This paper provides an overview of advances in geographic information systems (GIS) in mainland China since their introduction in the 1970s. The development of operational application systems, national multi-scale geospatial databases and advances in technical systems are described. Advances in research, education and institutional development are also covered. From the overview, it is clearGet price

Recent Developments and new Trends GIS – MTS – AIS Substation

IEEE Substations Committee 2011 Joint IEEE/CIGRE Meeting Chicago, IL, USA. Introduction New Trends in Power Systems in Power Transmission and Distribution Drivers Examples of Advanced Equipment AIS/GIS Switchgear Mixed Technologies Switchgear Substation Layout Improvements Gas Insulated Lines Underground Substations ConclusionsGet price

400/220 kV gas insulated (GIS) transmission substation

400/220KV GIS substation GURGAON. This project is made to overcome the electricity crises and to meet the power demand of Gurgaon region at Haryana. It describes the 400kV GIS system of POWERGRID, Gurgaon substation. 400/220 kV gas insulated (GIS) transmission substation controlled by SCADA. As the Gurgaon region is upcoming with multi industrial, financial sectors, commercial and residential complexes, offices, clubs and an improved infrastructure, there is a huge demand of electricity inGet price

Special problems in gas insulated substations (GIS) and their

Nov 02, 2012 · Special problems in gas insulated substations (GIS) and their effects on indian power system Abstract: The increase in demand for electricity and the growing energy density in the metropolitan areas have made it necessary to extend the high voltage network right up to the consumer.Get price

Gas-Insulated Substations - GIS - Energy and Power For All

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 Sulfr hexafluoride can do in centimeters.Get price

Gas insulated substation (GIS) versus Air insulated

Oct 28, 2020 · Figure 2 shows the layout of a GIS substation based on single line diagram in Figure 1. Figure 1 – Single line diagram of double busbar In Figure 2 it may be observed how the compact design of GIS reduces substation area tremendously (at least 70%) compared to the same AIS configuration!Get price

How to arrive at Conceptual Layout of a GIS substation at

Feb 14, 2018 · Conceptual layout (here-onwards mentioned as layout) of the substation is prepared at offer stage to arrive at spatial arrangement of all major equipment of the substation and costing thereof.Get price

Major components you can spot while looking at HV/EHV GIS

Sep 18, 2019 · The thermal current-carrying capacities and the fault-withstanding capabilities are tailored to meet all the substation requirements. More than 200,000 GIS bays have been in service all over the world since the introduction of such substation systems in the transmission and distribution field.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

Main components of a Gas Insulated Substation (GIS) you

GIS components. Gas-insulated substations (GIS) use circuit breakers, disconnect switches, and grounding switches, and have various means of indicating their position, either opened or closed, so the same as in air-insulated substation (AIS).Get price

An Overview on GIS (Gas Insulated Substation) Engineering

IEEE Foothill Society PES chapter and IEEE PES student chapter, Cal Poly Pomona are pleased to sponsor a talk on the topic, an overview of GIS substation Engineering, by Mr. Tom Antonucci for the benefit of IEEE, particularly the student members, with an interest to Power Systems.Get price

Design of grounding system for GIS indoor substation | IEEE

Nov 24, 2004 · 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 in MEApower system is demonstrated.Get price

Bringing the Power of GIS to Supply Chain ManageMent

Bringing the Power of GIS to Supply Chain ManageMent . p.1 Forward p.2 Supply Chain Management’s Quandary p.5 Driving Decisions with GIS Data products in China.Get price

(PDF) GIS Substation Design and Execution HV and EHV GIS

GIS Substation Design and Execution HV and EHV GIS application and design considerations Jean-Louis Habert Alstom Grid GIS product Line 2014/04 - Houston - CED – GIS - 1 List of contents Session 1 – April 8th, 2014 z GIS introduction z Surrounding conditions z GIS vs. indoor AIS z Replacing an outdated AIS by a GIS z Reliability – availability - maintainability 2014/04 - Houston - CEDGet price

Transformers and GIS Switchgear | TD World

Apr 02, 2012 · Shihlin Electric manufactures power transformers, distribution transformers, and GIS switchgear. All transformers are constructed and tested in self-owned operated facilities. Shihlin Electric has a long history of constructing power and distribution transformer as a main subcontractor of Mitsubishi Electric, and is licensed by Mitsubishi toGet 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

Tracking the pros cons of air and gas substations

Jun 28, 2018 · Tracking the pros cons of air and gas substations. Taking into consideration that the cost of a GIS indoor substation is much higher compared to an AIS substation, it’s handy to have a quick reference guide to the pros and cons of both indoor and outdoor substations, writes John Greyling, switchgear specialist and Director of Hevilex, South Africa.Get price

Alstom TD India to supply Power Grids first Make in India

May 12, 2015 · Alstom TD India has been awarded a contract worth approximately 34 million (INR 2266 million) by Power Grid Corporation of India Limited (Power Grid) to supply two Gas-Insulated Substations (GIS). The two substations will be located at Betul in Madhya Pradesh and Navsari in Gujarat. Both substations will be completely manufactured in India, making this Power Grids first Make in India 400 kV GIS. The first 400/220 kV GIS substation constructed at Betul will transmit power generated from theGet price

CONSTRUCTION DESIGN FEATURES OF GAS INSULATED SYSTEM (GIS

Energy demands are increasing day by day and so is the burden on conventional amp; other non-conventional sources of energy. Power Sector and associated energy demands in India are growing at an accelerated pace. In a bid to further enhance theGet price

Chinese firm lands $130 million project in Kenya - World

May 30, 2018 · The Kenyan government has awarded a multi-million-dollar contract to a Chinese energy firm to build a 220/66kV Gas Insulated Switchgear GIS substation that will boost the power supply to theGet price

Top 20 Gas Insulated Substation (GIS) Companies Report 2018

Jun 06, 2018 · A substation is considered as one of the vital elements of power system infrastructure. Presently there are two types of substations primarily being used: Air Insulated Substation (AIS) and GasGet price

Gene Tierney - Wikipedia

In the same period, she starred as Isabel Bradley, opposite Tyrone Power, in The RazorEdge (also 1946), an adaptation of W. Somerset Maughamnovel of the same name. Her performance was critically praised. [citation needed] Tierney played Lucy Muir in MankiewiczThe Ghost and Mrs. Muir (1947), opposite Rex Harrison.Get price

National Grid Begins Series of GIS Substation Replacements

The GIS, originally built in the early 1970s to support the New England bulk transmission grid, is approaching the end of its useful life. It also has been a focus of National Grid’s efforts to reduce releases of sulfur hexafluoride gas (insulating gas) into the environment. insulating gas, which is used to insulate the substation, is a greenhouse gas that hasGet price

[PDF] Applications of GIS in Electrical Power System

GIS has been widely used in various areas and disciplines. This paper shows the possible applications of GIS in electrical power system, how GIS helps to determine the optimal path for transmission lines, how it helps to forecast the growth of load and substation location, and how it is easier to manage disasters and locates fault using GIS.Get price

Power Up! Maps GIS - MIT Libraries

• Energy data for use with GIS software @ MIT • Where to find maps and data • Examples: How to use what you find . We won’t be teaching you how to use geographic information systems \⠀䜀䤀匀尩, but there are several IAP classes covering GIS star\൴ing this coming Friday. I’ll show you information about them at the end of this talk.Get price