News Center
SF6-alternatives analysis for high voltages

SF6-alternatives analysis for high voltages

Mar 05, 2019PGE have conducted a market analysis of available alternatives of SF6 and, after suppliers were invited to take part in the request for information, the company ended up with 3 solutions for high voltage gas insulated switchgear (GIS) and dead tank circuit breaker (DTCB): Novec 5110 insulating gas, Novec 4710 insulating gas, Dry air/vacuum.

[email protected]
News Detail
  • SF6 Free Alternative Medium and High Voltage Circuit

    high voltage alternative equipment 10 . Looking Ahead (2020-2021) • Continue to focus on updating technical information and sharing best practices • Update Partnership website with additional resources • Looking forward to new ideas and collaborations

    Get Price
  • Alternatives for SF6 | 2020 | Siemens Energy Global

    The upgraded station has a special feature: for its high-voltage switches it uses clean air as an insulating gas - instead of sulfur hexafluoride (SF 6), which has been the standard for more than fifty years to prevent short circuits and arcs in substations.

    Get Price
  • g3—The Alternative to SF6 for High-Voltage Equipment

    Indeed, at this voltage level, GIL represents on average 50% of the SF6 installed mass in a global high voltage substation. SF6-free GIL can thus bring a quick and massive reduction of SF6 mass...

    Get Price
  • SF6 ALTERNATIVE – WHAT TO LEARN FROM THE HIGH

    High voltage (HV) electrical transmission equipment developed for and filled with the g3 mixture features the same ratings and same dimensional footprint as the state-of-the-art SF 6 ones, with a drastic change of environmental impact: GWP (Global Warming Potential) is reduced by more than 99% compared to SF 6 which has a GWP 23,500

    Get Price
  • A review on SF6 substitute gases and research status of

    Nov 01, 2018In 1937, the French first used sulfur hexafluoride (SF 6) as an insulating medium for high-voltage electrical equipment. The high-voltage electrical field has experienced a major revamp and rapid development. In the 1960s, the United States produced the first gas-insulated switchgear (GIS), which used SF6 gas as insulating medium.Cited by: 14

    Get Price
  • Alternatives to SF6 in HV Circuit Breaker Insulation

    ) is a synthetic gas extensively used in the high voltage (HV) electricity transmission and distribution industry. The unique and unrivalled properties of SF6 gas that enable it to resist/recover from spark conduction have positioned it as the preferred HV arc interruption medium.

    Get Price
  • An alternative to SF6 in electrical switchgear - EE Publishers

    Dec 12, 2016To assist the search for an SF 6 replacement, efficient computational procedures were developed (by third parties) to screen molecules appropriate for high-voltage insulation. These procedures involve virtual screening of molecules for GWP, toxicity, flammability and others, followed by a study of their breakdown field and boiling point.

    Get Price
  • ECO-EFFICIENT PUFFER-TYPE LOAD BREAK SWITCH FOR

    SF6 alternatives. After thermal interruption, the weak stagnation-point type of flow is commonly utilized in high voltage circuit breakers, but no applications is known for commercial MV LBS. cause analysis and sensitivity analysis of new switchgear design concepts. Figure 5 illustrates the cloud of

    Get Price
  • HOLISTIC EVALUATION OF THE PERFORMANCE OF

    voltage as well as for high voltage applications. Thus the design of future switchgear with SF 6 gas-alternatives requires a detailed consideration of the gas and material properties. In this context it is also expected that a significant change of the design criteria, used for SF 6

    Get Price
  • LOW-CURRENT INTERRUPTION IN SF6-ALTERNATIVES

    medium-voltage (MV) gas-insulated switchgear (GIS), but has a very high global warming potential. In recent years, several environmentally-friendly (eco-efficient) alternatives have been explored, focusing on dielectric and thermal properties. The interruption of low currents in MV application is emerging as an important topic for

    Get Price
  • Comparison of dielectric breakdown properties for

    Sulfur hexafluoride (SF 6) is a widely used insulating gas in high-voltage power apparatus e.g. gas-insulated switchgears (GIS) and gas-insulated transmission lines (GIL).However, due to the extremely high global warming potential (GWP) which is nearly 23900 times higher than that of CO 2 over a 100 year interval, SF 6 has been designated as one of the six greenhouse gases by the Kyoto

    Get Price
  • Recent Trends in Development of High Voltage Circuit

    While SF6 CBs are widely used in high voltage level, vacuum CBs are employed in LV and MV power networks due to some restrictions. Some researchers have recently focused on SF6 alternatives giving...

    Get Price
  • SF6 Alternatives Ruling Strategic Minds of Dielectric Gas

    Fluoroketones and fluoronitriles are thus projected to encounter high adoption opportunities in the near future, says the report. Leading manufacturers of dielectric gases are currently concentrating on RD of SF substitutes. 3M, pioneering the way, has already been

    Get Price
  • SF6 Alternatives - Western Power Distribution

    SF6 Alternatives Test Methodology Document Control Name Date Prepared by: David Kilpatrick 09 /0 8 /2018 - IEC 60270, High-voltage test techniques – Partial discharge measurements By-product analysis after long duration test under electrical field By-products analysis after

    Get Price
  • Sustainable Alternatives to SF6 Gas within MV and HV

    Aug 03, 2018Sulfur Hexafluoride (SF6) gas is largely used as a dielectric and insulating material in the transmission and distribution equipment. SF6 has demonstrated its effectiveness as dielectric material to insulate both high and medium voltage components enabling compact dimensions and footprint reduction. Furthermore, SF6 properties include:

    Get Price
  • D15.6 White- and position papers on pre

    measurements and eco-efficient SF6 alternatives for HVDC GIS, while to contribute to standardise testing DC GIS for power transmission at a rated voltage of 550 kV and higher. This prototype installation test covers three types of load conditions with both DC voltage polarities.

    Get Price
  • SF6 alternatives, alternative Gases as SF6 substitute

    SF 6 is an excellent quenching and insulating gas which has been used in the energy sector worldwide for more than 50 years. The energy related development in the high and extra high voltage range would have been impossible without the use of SF 6 with its excellent dielectric stability and good electric arc quenching properties.

    Get Price
  • Report D15.3 Report on DC GIS diagnostic and

    HVAC High Voltage Alternating Current HVDC High Voltage Direct Current applicability of SF6 alternatives” which is led by TU Delft (The Netherlands). analysis of every asset. As reported in [1], a survey by the CIGRE Joint Working Group 33/23.12

    Get Price
  • Replacing SF6 with dry air reduces operational cost

    Mar 05, 2019PGE have conducted a market analysis of available alternatives of SF6 and, after suppliers were invited to take part in the request for information, the company ended up with 3 solutions for high voltage gas insulated switchgear (GIS) and dead tank circuit breaker (DTCB): Novec 5110 insulating gas, Novec 4710 insulating gas, Dry air/vacuum.

    Get Price
  • PGE Phases Out SF6 Greenhouse Gas | TD World

    Pacific Gas Electric Co.’s Sustainability Leadership Council challenged its Substation Asset Strategy department to come up with a plan to phase out the use of sulfur hexafluoride in all high-voltage gas-insulated equipment. Like carbon dioxide, SF 6 is a greenhouse gas.

    Get Price
  • TD Europe comment on Öko-Recherche and RE

    For new SF6-free high voltage applications above 145 kV, around 5 years of development shall be considered, followed by a piloting, end user homologation and industrialization process of another estimated 5 years. As stated before, these above time frames can only be possible if

    Get Price
  • e-cigre Publication Switching performance of

    Mar 19, 2021For high-voltage circuit breaker applications, the most frequently mentioned gases in the context of SF6 alternatives to date are CO2, and its mixtures with either the C5 perfluoroketone (C5-PFK, C5F10O), or the C4 perfluoronitrile (C4-PFN, C4F7N).

    Get Price
  • Fighting global warming using SF6 alternatives and AI

    May 18, 2020The life-cycle management costs while handling SF6-filled aged equipments is also high. It will rise further with energy demands and need for gas-filled medium and high voltage switchgears. Therefore, power sector is working feverishly on eco-friendly SF6

    Get Price
  • SF6 Alternatives Ruling Strategic Minds of Dielectric Gas

    Jan 16, 2019SF6 Alternatives Ruling Strategic Minds of Dielectric Gas Manufacturers, 3M Spearheading Innovation Trend Jan 16,2019 | Chemicals Materials Extensively utilized as insulating media in switchgears, gas insulated lines, transformers, and other high voltage transmission units, dielectric gases continue to witness significant demand owing to

    Get Price
  • SF6-alternatives PURITY ANALYZER pricing

    SF6 gas analyzer. The 973-SF 6 is an advanced SF 6 gas analyzer for the measurement of humidity, SF 6 purity and SO 2 concentration in SF 6 gas insulated

    Get Price
  • Validation of a New Eco-friendly Insulating Gas for Medium

    Mar 16, 2017This paper deals with the validation steps of alternative gases to SF 6 for high and medium voltage switchgear applications. It is focused on technical properties of the potential candidates. SF 6 is widely used for several decades in high and medium voltage

    Get Price
  • CIGRE Session 2022 - Call for papers | ELECTRA

    SF6 alternatives and emission management, circular economy of materials such as reuse, reduce, recycle, New set of skills for new technologies, knowledge transfer and high standards of education in engineering skills. PS 3: Integration of intelligence on substations (Joint PS with B5)

    Get Price
  • Processes | Free Full-Text | Alternative Environmentally

    In quasi-uniform and highly non-uniform electric fields, the breakdown voltages of CF 3 I/CO 2 were 84% and 65% of pure SF 6, which were both higher than that of CF 3 I/N 2 [ 26, 27 ]. The 50% breakdown voltages of CF 3 I (30%)/CO 2 and CF 3 I (20%)/CO 2 under 0.1

    Get Price
  • SF6-alternative gases Electrical Equipment factorys

    SF6-alternative gases for application in gas-insulated. By mixed with CO2, it is the most potential alternative gas to most greenhouse effect gas insulating medium SF6 that widely used in gas insulated high voltage electrical equipment.

    Get Price
  • “LittLe Paris”

    voltage equipment such as high-voltage vacuum -, HVDC switchgear and SF 6 alternatives. He is member of CIgre sC a3 for the netherlands. He was convener of CIgre a3.27 (high-voltage vacuum switchgear), was secretary of CIgre Wg a3B4.34 (HVDC switchgear) and at present he is convener of CIgre Wg a3.41 (impact of sf 6 alternatives on switching).

    Get Price
  • Medium Voltage blue GIS | Systems | Siemens Siemens Global

    Its scope includes the complete range of products and services necessary to transmit and distribute electricity in high- and medium-voltages, between the producers and the end users. Several documents are published on the TD Europe webpages that cover SF6 alternatives.

    Get Price
  • Tutorials - CMDM 2019

    Dr. Smeets is convener/member of working groups and study/advisory committees of CIGRE in the field of emerging high-voltage equipment such as high-voltage vacuum -, HVDC switchgear and SF6 alternatives. He is member of CIGRE SC A3 for the Netherlands.

    Get Price
  • Saqib Saeed – Co-Founder – DVIZ | LinkedIn

    - Penetration of SF 6 alternatives Competitive analysis of transformer and switch-gear manufacturers: - SWOT analysis of local and international manufacturers in Asian market based on product portfolio, marketingsales, customer base and supply chain. - High Voltage Technology -Title: Co-founder at Power Technology

    Get Price
  • Electrical Insulation Magazine - Jan/Feb 2021 - IEEE DEIS

    It is written by a team from the High Voltage Laboratory of ETH, Zrich, Switzerland: Christian Franck, Alise Chachereau and Juriy Pachin. It provides an overview of research activities to find SF6 alternatives for electric power equipment, newly introduced SF6-free technologies for medium and high voltage levels, and ongoing legal

    Get Price
  • Influence of moisture on the insulation characteristics of

    lated switchgears, and failure analysis of electrical insulation of high voltage equipment. 4. Conclusions The relation between moisture content in N 2 and break-down characteristics of N 2 was analyzed. (1) The positive and negative lightning impulse have shown the same characteristics. There were no significant changes of breakdown voltage of N 2

    Get Price
  • SF6 replacements: switching how we think about power

    DNVGL.com uses cookies to give you the best possible experience on our site. By browsing the site you agree to our use of cookies. You can click “Close” to remove this message.

    Get Price
  • gas 160 circuit breakers Distributor cost

    With high voltage and high current distribution systems, a Gas Circuit Breaker (GCB) that uses SF6 gas, with three times the insulating ability of air, is applied. This technology releases a circuit of electrodes within compressed gas, extinguishes the generated arc by blowing a stream of supersonic air, and interrupts the current.

    Get Price
  • Ngoc Minh NGUYEN - Expertise engineer - RTE Réseau de

    My main field of expertise is high voltage circuit breaker for power transmission network. I am also member of some national and international working groups on circuit breaker and SF6 alternatives. Knowledge and skills : Circuit breaker, High voltage power apparatus design, Dielectric, SF6 and its substitution, Power System AnalysisTitle: Expertise engineer - RTE

    Get Price
  • Interruption of Weakly Cooled Arcs in Air and Airplus

    Switching of low current arcs in free burning or weakly cooled conditions is mainly determined by the thermal properties of the gas. Products with such switching conditions are widely found in secondary distribution medium voltage (MV) gas insulated switchgears (GIS). In this study, we compare the current interruption capability of synthetic air and AirPlusTM, i.e. a mixture of synthetic air

    Get Price
  • Cigré 2020 - Hitachi ABB Power Grids

    Market Innovation Manager, High Voltage Products Expertise - HV circuit breaker technologies and SF6 alternatives; eco-efficient switchgear technologies with focus on SF6 alternatives CIGRE Contribution - Paper B3.45 group: Application of non-SF6 gases or gas-mixtures in medium voltage and high voltage gas-insulated switchgear.

    Get Price
  • D1 Materials and Emerging Test Techniques

    SF6 Alternatives. The industry is slowly moving to an SF6 free future. • Materials under high stresses, e.g. field stress, flux, electric current, and • TB 703 - Insulation degradation under fast, repetitive voltage pulses - 2017 • TB 691 - Pollution test of naturally and artificially contaminated insulators - 2017

    Get Price
  • George Becker, PE - Principal Substation Engineer - Gas

    Aug 14, 2020ISBN 978-1-259-64258-6 Gas-insulated substations (GIS) provide many benefits related to the design of the high-voltage transmission system and the medium voltage distribution system.Title: Principal Substation Engineer -

    Get Price
  • High Voltage Substation Equipment Research Programme

    Oct 22, 2020The High Voltage Substation Equipment research programme at SuperGrid Institute at faces many challenges. First is how to clear fault currents from meshed DC networks using circuit breakers. Different circuit breaker technologies and protection strategies will be developed to reduce the cost of infrastructure and preserve the stability and

    Get Price
  • Technology Blog Archives - Page 2 of 3 - Douglas

    With medium-voltage switchgear, progress is being made with regard to finding alternatives to SF6 as an insulation gas. Designs that incorporate dry air or a mixture of fluoroketone, nitrogen and oxygen as the insulating gas are being explored to minimize environmental impact. Oil, vacuum and CO2 are other alternatives to SF6.

edge-iconRelated News
toTop
Click avatar to contact us
Chat Online