Egypt: Assiut refinery gets retrofitted with GE’s GIS substations

May 24, 2019 · GE’s Grid Solutions has been awarded a $25-million contract by Engineering for the Petroleum and Process Industries (Enppi) to provide the Assiut Oil Refinery with gas-insulated switchgear (GIS) enabled substation for its new naphtha complex. The project set to be executed within 12 months.Get price

Humidity Effects in Substations - EA Technology

Humidity Effects in Substations by Tony Byrne Summary Roxtec Ltd requested EA Technology Ltd to produce a report on the causes and effects of humidity within indoor substation environments and methods of mitigating these factors. This report briefly explains relative humidity and partial discharge, and the effect of high relative humidity onGet price

Average monthly humidity in Cairo (Cairo Governate), Egypt

Average humidity in Cairo (Cairo Governate) The mean monthly relative humidity over the year in Cairo (Cairo Governate), Egypt. * Data from weather station: Cairo, Egypt. On average, August is the most humid. On average, May is the least humid month. The average annual percentage of humidity is: 56.0%.Get price

GIS Substation Design and Execution HV and EHV GIS

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

Egypt GIS and Mapping Data

Digital Egypt has a wide range of GIS mapping data, including Administrative Boundaries, Geocoded Points and Polygons for residential and landmark buildings, Points of Interest (POI), a complicated street network. Our company uses very high standards when it comes to GIS drafting and data entry.Get price

Humidity effects in substations | IEEE Conference Publication

Jun 05, 2014 · This paper discusses the causes and effects of humidity within indoor substation environments and methods of mitigating these factors. This report briefly explains relative humidity and partial discharge, and the effect of high relative humidity on the inception or level of partial discharge. The report covers the environmental factors in switchgear design standards and the manufacturer'sGet 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

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 insulating gas 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 Substation (Sein Pann Myaing) – RJE

Completed GIS substation in Yangon, Myanmar. RJE provided the below turnkey services to operate and comply with the Yangon climate and relevant IEC standards: Detailed design, GIS foundation design drawing and detailed calculation, civil works, earthing system, sub-station layout, fencing, lighting, auxiliary services, cabling drawingsGet price

GIS Substation Tenders Global GIS Substation tenders GIS

Feb 18, 2021 · GIS Substation Tenders Global GIS Substation tenders GIS Substation projects contracts Electrical Projects RFPs RFQs Projects Proposals RFPs RFQs global electrical tender notices international competitive bids contracts procurement news are published on ElectricalTenders.comGet 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

Egypt Megaproject | Topic Areas | Siemens Egypt

Project Description All about the Megaproject Egypt is now resolutely setting the course for sustained development and economic growth. To power the country’s economic transformation, Siemens has successfully managed to boost Egypt’s power generation capacity by over 40 percent by connecting 14.4 gigawatts to the Egyptian national grid.Get price

HOTOSM Egypt Roads (OpenStreetMap Export) - Humanitarian Data

HOTOSM Egypt Roads (OpenStreetMap Export) OpenStreetMap exports for use in GIS applications. This theme includes all OpenStreetMap features in this area matching:Get price

Egyptian Power Transmission Project E P T P

2X500MVA, 500/220kV, 6th of October GIS Substation, 3 . Egypt . Date of signing: June 26, 2012 . 2x125MVA, 220/66kV Abu-Ghaleb GIS Substation . PACKAGE [B]Get 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

Gas-insulated switchgear | Portfolio | Siemens Energy Global

The new 8VN1 blue GIS up to 145 kV combines proven vacuum-switching technology with the advantages of clean air as an insulation medium. Main features: Worldleading F-gas-free, environmentally friendly, and future-proof technology; Climate neutral: Global Warming Potential (GWP) of switching and insulation technology = 0Get price

Medium Voltage blue GIS | Systems | Siemens Global

8DJH 12 – blue GIS for sustainable substation BKK Nett AS in Bergen, one of the most innovative Utilities in Norway, had a clear goal for a new MV switchgear for distribution substation: A compact ring main unit that would operate more sustainably, reliably and economically and could work at very low operation temperatures.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

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

Assessment of some spatial climatic layers through GIS and

The need for spatial distribution of climate elements in digital form has risen dramatically over the last decade. Improvements in computer technology enable a variety of agricultural, hydrological, ecological and natural resource models and expert systems to be linked to geographic information system (GIS) (Bishop et al., 1998; VogelGet price

GIS Location-Allocation Model in Improving Accessibility to

GIS Location-Allocation Model in Improving Accessibility to Health Care Facilities: A Case Study of Mt. Elgon Sub-County. Tom Kiptenai Kemboi. 1, Edward unja WaithakaH 2 1Jomo Kenyatta University of Agriculture Technology, School of Civil, Environmental and Geospatial Engineering, Nairobi 62000-00200, KenyaGet price

Containerized substations - Hitachi ABB Power Grids

Containerized mobile substations are sheltered and address applications in challenging environmental conditions including areas with high pollution, high humidity, extreme temperatures or sand storms.Get price

ABB wins $40 million order for eco-efficient substation in

Nov 05, 2018 · The compact design of a GIS allows a space saving of up to 70 percent compared to an air-insulated switchgear (AIS) substation. As a market and technology leader in high-voltage GIS technology, ABB offers ratings and applications from 72.5 kV to 1200 kV and has a global installed base of more than 30,000 bays.Get price

GE - GE Enppi Partner to Support Growth of Upper Egypt

May 17, 2019 · Building on more than 40 years of partnership throughout Egypt, GEGrid Solutions business (GE: NYSE) was awarded a contract by Engineering for the Petroleum and Process Industries (Enppi) to execute the Assiut Oil Refinery Company(ASORC) Gas Insulated Substation project, set to provide electrical power to the newly established Naphtha Complex and the existing ASORC refinery in Assiut.Get price

China-Egypt joint venture leads high-voltage equipment

Jul 07, 2018 · oyees work at a factory of XD-EGEMAC High Voltage Electric Equipment Co. in Ain Sokhna, Egypt, July 2, 2018. The China-Egypt joint venture has successfully established its leading position in the high-voltage equipment manufacturing in Egypt, while helping end the Arab country’s previous reliance on import of top-end transformers.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 IndiaGet price