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


This Grid Station contains 500kV, 220kV, 132kV HV system. One Half Breaker Scheme is used for 500kV 220kV systems and Double Bus single Breaker scheme is used for 132kV system. GRID STATION DERA GHAZI KHAN. 500kV D.G khan Grid is located in Sakhi Sarwar Road near D.G Khan Airport.Get 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

Geographic Information Systems (GIS) - LMKT

LMKT is one of the pioneers in the Geographic Information Systems (GIS) industry of Pakistan. Having a highly-specialized team of experts, we have been providing customized GIS solutions to our global and local clientele for more than two decades.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

Pakistan GIS

May 09, 2012 · Contact Details: [email protected] 0333 461 490 5: Venue: House 162, Street 91, I 8/4, Islamabad, Pakistan: Dates and Timings: 21-25 May 2012 06:00 PM to 09:00 PMGet 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

Gas-Insulated Substations - GIS

Nov 10, 2010 · Superior Dielectric Gas. A gas-insulated substation (GIS) uses a superior dielectric gas, sf6 gas, 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 sf 6 gas inside grounded metal enclosures.Get price

Possible Cause of System Breakdown in Pakistan | Energy Central

From the review of power system statistics data [3, 4], it is observed that the transmission system in the North of Pakistan is well meshed and relatively strong compared to the south of the system. Referring to figure 1 which is applicable in 2013 to 2015 power outages, it can be seen that from Guddu onwards transmission system isGet price

GIS Jobs - May 2021 | Pakistan

GIS jobs now available. GIS Expert, Engineering Supervisor, Town Planner and more on Indeed.comGet price

» Projects

Seimens-Pakistan. 2010 : Erection Work of 132 kV Substation at LUMS Iniversity Lahore. LESCO. 2009 : Design, Manufacture, Supply of 132kv Steel Structures for Columns, Beams, Earth Masts to PESCO. WAPDA / PESCO. 2009 : Design, Manufacture, Supply of 132kv Steel Structure Earth Masts to LESCO (GSC) for its various 132KV S/S at Lahore. LESCO (GSCGet price

Substation Gas Insulated Switchgear GIS | Power System

Gas-insulated high-voltage switchgear (GIS) is a compact metal encapsulated switchgear consisting of high-voltage components such as circuit-breakers and dis...Get price

Activities in Pakistan - JICA - 国際協力機構

This project includes the construction of new 500 kV Grid Station at R.Y Khan and new 220 kV GIS Grid Station at Shalamar, Lahore along with associated transmission lines. Sub-stations and transmission lines to be constructed under this project shall contribute to mitigating the capacity ratio of neighboring substations and transmission linesGet price

230kV-500kV High Voltage Gas Insulated Switchgear (GIS)

GIS has the advantages of excellent electric mechanical performance and compact construction. It is widely used in the power grid ranging from 72.5kV up to 500kV. Brief specification: Ø Rated Voltage: 220-500 KV. Ø Rated Frequency: 50 Hz. Ø Rated Current: 2000 A -4000 A. Ø Rated Short-Time Breaking Current: 40-63KAGet 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

GIS substations - Hitachi ABB Power Grids

Hitachi ABB Power Gridsdelivered the world’s first GIS substation in 1965, pioneering GIS technology; Comprehensive experience in indoor, outdoor and underground GIS substation design and construction; Proven, state-of-the-art equipment up to 1,100 kV; Complete in-house system integration capabilitiesGet 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

GIS for digital substations - Hitachi ABB Power Grids

Hitachi ABB Power Grids' GIS can be equipped with control, protection and communication feature for smooth integration into substation automation systems using IEC 61850. For connection to the IEC 61850-9-2 process bus, non-conventional instrument transformers (NCITs) for GIS with merging units are used for sampled values for protection andGet 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

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 (Sulfr hexafluoride) properties in terms of voltage withstand and current interruption zSulfr hexafluoride main data zNeutral gas: insulators and live parts are perfectly protectedGet 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 price

Alstom TD India to supply Power Grids first Make in India

May 12, 2015 · 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 the Mouda Super Thermal Power Plant II. The second installation at Navsari, will carry power generated at the Kakrapar Atomic Power Station. Both substations will feed power to the national grid.Get price

Junaid Ahmed - Senior Substation Engineer - ElectraNet Pty

Currently involve in Primary design engineering of 132kV GIS Substation which mainly includes: 1. Preparation of all substation layouts. 2. Sizing of HV, MV LV cables. 3. Earthing Calculations. 4. Equipment sizing selection. 5. Wind Farm collection system cable route and length estimation. 6. Collection system fibre optic earthing detail. 5.Get price

Construction of 33/11Kv GIS Substations (2 x 31.5 MVA

Switchgear with /33 11kv SS equipment intended to be used in the system of the MOE ,IRAQ. The contract shall include all works and materials needed in each substation in accordance with the contract and shall include but not limited to the following: (a) Option 1: 33kv switchgear contain: 1- two of 33kv incomer panel.Get price

Electrical Substation Fundamentals Complete Understanding | Udemy

Total 16 plus years of Experience in Electrical Grids / Substations. I have lead completed 20 substation projects. Worked at 380/132/11kV Voltage Levels in Saudi Arab and 500/220/132/11kV Substation in NTDC Pakistan.Get price


May 14, 2018 · • SUBSTATIONS • A place where many circuits are connected together. • Connecting link b/w transmission distribution system. • Assembly of switchgear to direct the flow of energy and ensure security of the system. • Directly control the flow of power into the system. • Convert the voltage of the supply to a higher or lower level.Get price

Key references | ABB

ABB delivers substation equipment including power transformer, control and protection technology, gas-insulated switchgear (GIS), dry-type transformers as well as supervision, installation and test commissioning to facilitate the distribution of power at Suvarnabhumi Airport’s phase-II expansion in Bangkok, Thailand.Get price

Gas Monitor System, Compartments and Zones for GIS - An

Apr 02, 2019 · Gas Monitor System: The insulating and interrupting capability of the sf6 gas gas depends on the density of the gaz sf6 gas is at a minimum level established by design tests. The pressure of the Sulfr hexafluoride gas varies with temperature, so a mechanical temperature-compensated pressure switch is used to monitor the equivalent of gas density. GIS is…Get price

Annex A Electricity Specifications

2-3 System Data: 2-3-1 High voltage side:- Nominal voltage Short circuit level Frequency Highest system voltage system 11000 Volts 25 KA at 11000 volts 50 HZ. 12000 volts 3- phase,3-wire with neutral isolated but provision is made for earthling through an earthling resistance of 21.1 ohms to limit the earth fault current to 300 Amp. 2-2-3-2Get price