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EMT News Site Services

Issues with leaking SF6 assets? Problem solved with EMT Site Services

EMT Site Services have recently completed work in the UK and overseas, with many more projects scheduled in for spring and summer. We still have dates available to carry out SF6 leak surveys and repairs, so please contact the team if you have a concern regarding leaking assets.

 

 

Project Bulletin

 

A Norwegian utility contracted EMT Site Services to run a series of leak surveys to detect and confirm the presence of SF6 leakage within the work area. Using EMT best practice leak survey methodology and EMT advanced leak detection technology, our team identified and located several SF6 leaks within their installed assets including GIB, HV bushings and interconnecting supply pipework.

 

The team are now scheduled to undertake 3 leak repairs with composite sealant filler and bonding technique, which will require SF6 gas handling and removal of the gas during repair. In addition to EMT site services, this customer has also expressed an interest in EMT hand held and fixed point detection systems and our Zerowaste analysis technologies.

 

Our experts were also commissioned to undertake a 132kv bushing repair for a UK utility; which included analysis of existing SF6 gas prior to removal, de-gas of SF6 to auxiliary storage via EMT gas cart, composite repair installation, and re-gas of SF6.

 

The system was fully tested and signed off as leak-free on completion of works.

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EMT News Site Services

SF6 gas handling with EMT means zero emissions, maximum SF6 recovery & re-use, compliance & protection

Whatever your requirement or budget, whether you need the technology, expertise, or both; best practice SF6 gas handling with EMT delivers zero emissions, zero waste, compliance and protection of assets, personnel and the environment.

 

Our Site Services Team have recently completed a project for a wind farm in the UK, degassing and refilling SF6 Switchgear on a turbine. EMT customers can choose from a range of innovative packaged solutions, with products and services which support the productivity, efficiency and profitability of their utility operations.

 

 

SF6 gas handling products including:

  • SF6 gas carts
  • SF6 cylinder weighing scales
  • SF6 cylinder heater blankets
  • SF6 filling and topping up devices
  • SF6 kits for pressure validation, fittings, hoses, valves, couplings
  • SF6 automated gas mixing systems
  • SF6 nameplate validators
  • SF6 gas tracking and management software

SF6 product range also including:

  • SF6 gas analysers
  • SF6 gas leak detectors
  • SF6 gas monitoring systems

SF6 gas handling services including:

  • SF6 evacuating/degassing of assets
  • SF6 gassing/refilling of assets
  • SF6 gas analysis

SF6 site services also including:

  • SF6 leak surveys
  • SF6 flange repairs
  • SF6 equipment rental

With EMT you can rent or purchase the instruments you need, and either carry out the work yourself or employ our Site Services team to undertake the work for you!

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EMT News Site Services

SF6 leaking flanges – EMT have ALL the tools to get the job DONE

 

  • LOCATE SF6 gas leaks on flanges with the EMT Leak Hunter portable gas leak detector
  • APPLY best practice SF6 gas handling with EMT Smartfill filling and top-up technologies
  • CERTIFY leak repair works ensuring these are carried out by qualified experts EMT Site Services

EMT have just completed a project on SF6 gas leak repair for a large electricity transmission and distribution business in the UK.

 

For further information on our leak repair products and services, please get in touch!

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Site Services

EMT Training Packages for 2023 – Everything you need to know on Insulating Gas Management 

Plans for our 2023 training program are well under way and the team are busy preparing resources for a number of interactive training initiatives for the year ahead, to ensure we cater for all your training requirements. From webinars to workshops, international roadshows, virtual or onsite, EMT deliver tailored training packages designed to meet the demands of Insulating Gas Management.

 

Our dedicated team of industry specialists have expertly developed a comprehensive training program, which meets the demands of SF6 applications today and the Eco gas alternatives of tomorrow. With a proven track record delivering content to clients onsite and via our state of the art training facility and test lab in the UK, end users and distributors receive the technical information and support they need, when and how they need it.

 

Training Content Including:

 

*Global compliance standards on SF6 inventory and usage; Regulation on SF6 emissions; IEC, CIGRE, CARB, EPA, F-Gas guidelines; Ensuring SF6 compartment nameplate accuracy to avoid ‘phantom emissions of SF6’

 

*Best practice SF6 gas handling, applications and technologies; Ensuring safe filling and topping up of SF6 compartments; Monitoring, recording and legislative reporting requirements; Collection, treatment and recycling of SF6 gas

 

*SF6 gas purity analysis, techniques and technologies; Detection and measurement of SF6 breakdown and decomposition contaminants; Conducting testing for guaranteed success – pre-test planning, sampling and results determination; Ensuring gas purity and concentration are in line with OEM guidelines for safe and efficient use of assets; Guidance for testing with task specific protocols for utilities maintenance personnel; Measuring moisture in assets to ensure their long-term health and reliability in T&D utility networks

 

*Eco gas alternatives for insulating gas management in HV Gas Insulated Switchgear applications; Eco (novec) and dry air gas analysis, handling, monitoring and safety, leak detection and management

 

*SF6 leak detection, management and repair; Maintaining, managing and mitigating SF6 leaks; Repairing SF6 leaks under live conditions and pressure/outage; Surveillance and repair of leaking SF6 assets cost effectively and with minimal disruption to utilities operations; Gas leak detection for personnel safety and asset protection

 

*Asset health checks; Ensuring asset reliability, long term compliance and performance, maximum up-time and business continuity; Preventative maintenance to optimise maintenance practices, improve network reliability, customer retention, and business efficiency; Asset health best practice and maintaining gas analysers for peak performance to ensure gas quality and asset reliability

 

*** Book early to secure your place – we look forward to meeting you ***

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Site Services

SF6 site survey, flange repair, leak management – job done with EMT Site Services

Here’s our latest Site Services project completed for a UK electric utility. Following a site survey, the team confirmed SF6 leaks on all phases of the asset, which required immediate repair and preventative maintenance. The project was for x6 flange repairs; x3 upper flange and x3 lower cover plate with sensor. All repairs were carried out under live conditions and full pressure. From surface preparations; to soft shell mounting and reinforcement; through to hard shell, resin application, final seal and post repair testing – our expert engineers followed proven and rigorous EMT protocols using trusted and reliable EMT technologies and solutions, to ensure compliance at every stage of the project.

 

Follow Energy Maintenance Technologies Ltd on LinkedIn for further project and product update

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Site Services

EMT Site Services deliver another successful project for a UK Solar Farm

Industry: Solar Power Generation

Application:  GIS analysis and topping up

Customer:  UK Solar Farm

Date: October 2022

Problem:  Leaking asset

Solution:  SF6 leak detection, analysis and top up delivered by EMT Site Services utilising EMT SF6 management products

 

Works:

  • Site survey detected and located switchgear leak using EMT Handheld SF6 Leak Detector
  • Gas analysis carried out by EMT Site Service Engineers using EMT Zerowaste Rapide+ Analyser
  • Tests prior to gas top up indicated SF6 gas required
  • Tests after the asset was re-gassed confirmed SF6 gas usage
  • Asset checked for leaks following gas top up and minor repairs

Result: Leak detected at another location; further works required by EMT Site Services

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Site Services

Survey and repair leaking SF6 assets cost effectively and with minimal disruption to operations

EMT delivered the technology and expertise to survey and repair leaking SF6 assets with a cost-effective solution and minimal disruption to operations, which was welcomed by the customer, whose alternative would have been to replace the asset at considerable cost and with significant disruption to the substation – another job well done by the EMT Site Services Team.

 

Industry: Power T&D

Application: SF6 gas inspection cover plate repairs   

Customer: UK electric utility substation

Date: August 2022

Problem: Leaking SF6 gas on cover plates

Solution: SF6 leak repair to inspection plates – non pressurised. 9 repairs completed

Works:

  • Leak surveyed by EMT Site Services team using EMT Handheld SF6 Leak Detector
  • Existing gas purity analysed with EMT Zerowaste Rapide+ Analyser
  • Asset de-gassed using EMT Gas Cart
  • Surface preparation and cleaning works undertaken
  • Specialist repair works completed
  • Asset re-gassed, gas purity checked, and post repair testing completed
  • Further scheduled preventative maintenance work has been recommended by EMT Site Services due to high H20 ppm readings recorded in the SF6 gas
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Site Services

Field based SF6 gas top up utilising EMT Site Services and patented EMT Smartfill technology

EMT Site Services can top up your SF6 assets – contact the team to see how we can provide both the test equipment, and trained and certified SF6 gas technicians, for the safe filling and topping up of SF6 compartments. Performing these essential tasks, our Site Services team can provide 24/7 coverage across the network, supported by tailored service packages to suit specific gas handling requirements, and complimented with a range of SF6 gas management services.

 

Our team have recently completed work on two sites for a UK utility:

 

Industry: Solar Power Generation

Application: SF6 Gas Topping Up x 2 Sites

Customer: UK Solar Farm

Date: June 2022

Problem: Low gas pressure reported

Solution: Field based SF6 gas top up utilising EMT Site Services and patented EMT Smartfill technology

 

Works:

  • Leak survey completed using EMT SF6 leak detector
  • Pressure survey completed
  • SF6 gas top up completed
  • Continued pressure monitoring advised
  • Future repair, de-gassing and re-gassing works discussed

Deliverables: SF6 gas top up restored pressure to normal operating conditions. The client was satisfied, particularly given there were challenges sourcing the correct fittings to carry out the works – EMT took care of all requirements from initial surveillance, to sourcing bespoke fittings for connection, and topping up of the SF6 compartments

 

For more information on our Site Services portfolio follow us on LinkedIn

 

#EMTSiteServices

#SF6toppingup

#SF6gasfilling

#SF6degassing

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Project Portfolio SF6 Leak Management Site Services

Substation C SF6 Leaking Flange Repair

Problem

SF6 substation 3x leaking flanges

Repair

New cover plate repairs. Suitable for nuclear and power plant substation installations. Adaptable to various types of flanges. Temperatures ranging from -20°C to +65°C (-4°F to +149°F).

Technology

The 3X ReflangeKit® concept is based on a composite double shell system that encapsulates the leaking flange. The first shell covers and protects the flange collecting SF6 leaks. The second shell contains specific resin. An exhaust valve allows the SF6 gas to escape during resin injection. After overnight curing of resin, the valve is closed and sealed giving a 100% seal and leak free composite repair.

 

Benefits

  • Online & under pressure installation
  • Non invasive system (no risk of resin intrusion into the flange)
  • Bolt and screw protection
  • Easy disassembly
  • Cost effective installation (costly consignation avoided)

Result

SF6 leak remediation was a success, and the flange remains in service. Further, more complex repairs are planned as part of a contract to complete a number of SF6 flange repairs across multiple sites.

Repairs Portfolio
  • Cover plates with small bore adapter and pipework
  • GIB/tank flange
  • GIB/GIB straight flanges
  • Complex multi flange GIB
EMT Site Services
  • High level site services working standards
  • Fully trained site services personnel
  • All works completed within the designated timeframe or less
  • 100% leak remediation record
  • The most challenging of SF6 leaking flange/asset styles fixed
Other Site Services
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EMT News Project Portfolio SF6 Leak Management Site Services

EMT SF6 Leak Survey + EMT Handheld Leak Detector = 100% Leak Detection

EMT leak detection success rate continues as the team completes another utilities project. Read on to learn more about our technology, our services, and the team delivering these to the electric utilities industry.

EMT’s products and services deliver a total SF6 management solution to ensure you have everything you need to keep your SF6 operations running smoothly.