Health and environmental dangers of insulating gas-filled switchgear

Aug 08, 2017 · Sulfr hexafluoride gas, used as a dielectric medium in circuit breakers and switchgear, has a global warming potential 24 000 times greater than CO2 and some of its by-products were used as chemical weapons in World War I. In life, in business, in the ordinary course of doing things, there is a certain level of risk […]Get price

Substations – CONCO Group

CONCO is recognised as Africa’s largest high voltage substation construction provider, with a capacity to construct substations from 11kV to 765kV. Our specialised engineers design, procure, construct and commission the following types of substations: Conventional outdoor substations (AIS) Gas-insulated substations (GIS)Get price

WEG Transformers Africa - Zest WEG Group

WEG Transformers Africa is one of the pioneers of mini substations and is now one of the largest manufacturers, with the facility to design and manufacture the complete range presently used in South Africa. These mini substations and unit substations have a range of 100 to 1000kVA in voltages up to 22kV. We specialise in Type “B”Get price

Environmental Impact Assessment Study for the Proposed

The proposed Isang substation project is located in the Kgatleng District, between the villages of Malotwana and Artesia along the main Gaborone to Fr ancistown road. The proponent for the project is Trans Africa Projects / KEC on behalf of the Botswa na Power Corporation (BPC), hereafter referred to as the client or BPC.Get price

Sulfr hexafluoride circuit breaker maintenance | TD Guardian Articles

Jun 01, 2005 · Over the last 10 to 15 years, many utility and industrial users of Sulfr hexafluoride-filled power circuit breakers have been met with pressure to reduce costs while maintaining or even improving the operational reliability of their TD infrastructure.Get price


Client : Eskom. Project value : R 6.2 m. Construction of a new 66/11kV substation for Eskom in Wilderness, consisting of 1 bay: 66/11kV 12 x CT’s, 3 x VT’s, 13 x Surge Arrestors, 7 x Isolators, 4 x Breakers, 1 x 10 MVA Transformer and building and yard.Get price

Power Line and Substation Design - Trans-Africa Projects

Trans-Africa Projects’ substation design division is a one-stop supplier of design solutions for substation design services. We carry out thorough assessments, analysing and understanding substation configuration, layout, key elements and principles, equipment- and functional specifications which we incorporate and administer within ourGet price

Pre-manufactured substations: E-house or containerised - EE

May 08, 2015 · Pre-manufactured electrical substations have evolved over the past two decades to such an extent that they can almost be deemed a standard product line. What was at one stage deemed a very complex task has now become a common practice by many electrical substation manufacturing companies. The concept of fitting electrical equipment into a […]Get price


Eskom Nuwerust Substation), which is located on Farm Hamelkraal in the Western Cape. The distribution line for each WEF will be routed from each on-site substation (i.e. Sutherland, Sutherland 2 and Rietrug) to either the proposed 132 kV Suurplaat on-site substation (i.e. proposed collector hub) on the FarmGet price

Myth About sf6 gas Gas In Electrical Equipment

Aug 24, 2017 · Buildings containing Sulfr hexafluoride-filled indoor equipment should be provided with ventilation; natural ventilation would normally be adequate to prevent the accumulation of gaz sf6 released due to leakage (see IEC 61634, sub-clause 3.4: “Safety of personnel” and IEC 61936-1). Type and extent of required measures depend upon location of the room, theGet price

Sulfr hexafluoride (GIS) gas insulated substation Manufacturer in China

sf6 gas Gas Insulated Substation The Sulfr hexafluoride gas insulated substation (GIS) is assembled by several Sulfr hexafluoride gas insulated switchgear configurations in an outdoor enclosure which could reach IP54 protection grade.Get price

Mini substation manufacture and design | Power Transformers

A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages. Substations can be owned and operated by an electrical utility, or a large industrial or commercial customer.Get price

Safety related, distributed functions in substations and the

Abstract--In a substation, a lot of distributed, safety related functions have to be performed. IEC 61850 is intended to replace all wires by serial communication. To achieve this goal IEC 61850 has to fulfill hard real-time criteria. Starting from the definition of these criteria the communication methods of IEC 61850 are investigated.Get price

Sebenza – biggest substation in SA in 10 years – CONCO Group

It will also be one of the main intake substations in the north eastern region of Johannesburg making it one of the country’s hubs that is set to stimulate much needed economic growth. It has been built with expansion in mind and is intended to increase in capacity from 315MVA to 1000MVA.Get price


substation yard will consist of two (2) incoming 34.5kV collector line feeders, each with circuit breaker protection feeding onto the substation bus and through a 69-34.5kV Power Transformer with associated 69kV high voltage circuit breaker, disconnect switches, instrument transformers and revenue metering.Get price

GRIDBOW - Engineering, Procurement Construction (EPC)

May 28, 2020 · GRIDBOW Engineers and Technical Services is an award winning trusted Engineering, Procurement and Construction Contractor (EPC) which serves the Power and Construction Infrastructure Sector across Southern Africa and Australia.Get price


power line from Ariadne Sub-station to Eros Sub-station and the expansion and upgrade of the Ariadne Sub-station and the Eros Sub-station, in KwaZulu-Natal had the Final Environmental Impact Reports2 completed in January 2011. A positive record of decision or environmentalGet price

6 Substation Construction jobs in South Africa

Today’s top 6 Substation Construction jobs in South Africa. Leverage your professional network, and get hired. New Substation Construction jobs added daily.Get price

Expert Consulting and Engineering Services

Protection and substation automation services ABB is a specialist in power system protection and substation automation at all transmission and distribution voltage levels, for power generation as well as industrial networks. In its traditional role as one of the leading manufacturers in this field, we have built up a broad knowledge base.Get price

Stefan Zdujić - Project Coordinator - Engineering Specialist

• Prepared more than 30 bids for high voltage substation tenders in Serbia and Africa, out of which three were winning bids for projects in Rwanda worth 20 million USD in total. • Coordinated between several design teams, equipment manufacturers and client representatives during the design stage of three high voltage substation projects inGet price

How to save capex on substation upgrades |

Jul 26, 2018 · When budgets are under intense public scrutiny, critical reliability projects such as substation construction and upgrade are often postponed purely to avoid investing in expensive substation grade breakers. This article first appeared in ESI Africa Edition 3, 2018. You can read the full digital magazine online or subscribe to receive a print copy.Get price

Substation Design Equipment Selection - SAIEE

Gavin Strelec is a registered Professional Engineer since 2003, with 18 years of related experience in the Electricity Utility Industry with Eskom in South Africa. He has gained considerable experience in Substation Design as a Project Engineer, and subsequently design standards and equipment specifications as a Substation Technology SpecialistGet price


Power Line from Ariadne Sub-station to Eros Sub-station and the expansion and upgrade of the Ariadne Sub-station (DEA EIA: 12/12/20/1272) and The Eros Sub-station (DEA EIA: 12/12/20/1277), KwaZulu-Natal had the Final Environmental Impact Report completed in January 2011. A positive record of decision or environmental authorization was granted toGet price


to KwaZulu-Natal (Eros Sub-station, Harding). The new transmission lines will run a total distance of 470 km. For the purposes of project management and environmental authorisation, the continuous transmission network linking the Alpha Sub-station to the Eros Sub-station has been divided into four separate sections.Get price

Tshembo Mhlongo (Mafela) - Senior Electrician( 3kv Dc subs

High voltage electrical Safety instruction , Maintenance of 3kv DC traction substation : 88kv/3kv Traction transformer, 3kv/400v AUX Transformers , Dc Rectifiers , 3kv Dc Feeder High speed circuit breakers , 88kv primary circuit breakers ,3kv substations protection , 110v battery bank (lead acid) , 230/110v Battery charger, Telecontrol unit , wave filter circuits , Issue 88kv/3kv work and testGet price

Is this the worldmost beautiful substation? | Smart Energy

Sep 05, 2019 · Katherine Schwab, writing for Fast Company, has reported on the innovative way the city of Seattle is providing public spaces while highlighting the workings of power equipment. A recently opened substation operates as a “stunning, geometric work of architecture that doubles as a public park. The building, which spans two city blocks, features two indoor community spaces and […]Get price

SSVT (46 - 362 kV) - Hitachi ABB Power Grids

Outdoor oil-filled station service voltage transformer for HV to LV/MV substation and remote power needs SSVT inductive voltage transformers consist of a single-phase design intended for connection between phase and ground on 46 kV-362 kV HV grounded neutral networks to supply power to panels at low voltage or medium voltage.Get price

Transco CLSG - Home | Facebook

Transco CLSG. 3,519 likes · 8 talking about this. TRANSCO CLSG is a regional transmission company responsible for building a 1,303 km of transmission line from Cote d’Ivoire to Liberia linking Sierra...Get price

Small Business Powers Rural Africa With $91 Million Loan

With their headquarters located outside of Chicago and a staff of under 20 employees, Weldy-Lamont Associates, Inc., continues to set the standards in the electrical power and control marketplace with a focus on rural electrification and substation/transmission line projects in Africa.Get price