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Transformatorparker holdt i drift mens utskifting ligger år fram i tid

Tilstandsvurdering, oljebehandling, rehabilitering og idriftsettelse, kjøpt som et program for en transformatorpark. Når nye enheter ligger år fram i tid, er levetidsforlengelse arbeidet som kan starte i år. Der kompetansen ikke finnes lokalt, reiser anlegg, testutstyr og reservedeler ut til stedet.

Be om en tilstandsvurderingDrøft et program

Utskifting tar rundt 128 uker. Rehabilitering tar uker.Gjennomsnittlig leveringstid for en ny krafttransformator, ifølge amerikanske tall.Transformer life extension

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01The situation

A failing transformer usually presents three bad options

Units running past their design life, chronic overloading, cycling from renewable in-feed, heat, dust and coastal salt all accelerate ageing. Then the choices narrow.

  1. 01

    Replace it

    US figures put the average lead time for a new power transformer at around 128 weeks, with specialised orders extending to four years. It is one order book, and buyers in every market queue in it on the same terms — then add freight, inland transport and customs.

  2. 02

    Ship it out for workshop repair

    Months out of service, and freight costs that on a remote site can approach the value of the asset itself.

  3. 03

    Run it to failure

    The real incumbent in many fleets. It is a decision, even when nobody makes it deliberately, and it is usually the most expensive one.

02How we are bought

Programmes, not line items

Utilities, industrial operators, IPPs and development-finance programmes buy a defined programme with an outcome. Condition assessment is the natural first step: low commitment, high insight, and it defines everything after it.

  1. A laptop showing frequency-response traces, set on the open case of a test instrument on a transformer cover, with test leads running to the bushings
    01Start here

    Fleet condition assessment

    A structured survey of your transformer population that produces a ranked, evidence-based picture of asset health and a prioritised intervention plan.

    Work executed and reported against

    IEC 60567IEC 60599IEEE C57.104+3
  2. A transformer active part hanging from a crane hook above its open tank against a deep blue sky, with two fitters at the tank edge
    02

    Rehabilitation and life extension

    Refurbishing a degraded transformer and returning it to reliable service instead of replacing it — weeks instead of years, at a fraction of replacement cost.

    Work executed and reported against

    IEC 60214-1IEC 60422IEC 60296
  3. Two technicians connecting hoses between a large black oil storage bladder and a treatment plant under a plastic sheet, beside a power transformer, the work area taped off
    03

    Oil management programmes

    Ongoing custody of transformer oil condition across a site or fleet. A single oil test is data; a trend is a decision.

    Work executed and reported against

    IEC 60422IEC 60814IEC 62021-1+2
  4. A transformer active part suspended above its tank in an outdoor switchyard, fitters working on top of the tank and a red mobile crane alongside
    04

    Installation and commissioning

    New assets from delivery to energisation, with the test evidence a lender or an asset owner reviews before accepting the asset.

  5. Looking up at high-voltage disconnectors and tall ribbed insulator columns on lattice steel gantries, with a technician working from a mobile elevating work platform against a blue sky
    05

    Substation and network services

    Primary and secondary equipment across the substation, not only the transformer.

  6. A fire-damaged transformer with a scorched, blackened tank and burnt fittings on its cover, standing outside a brick building, with a cable drum and coiled cable beside it
    06

    Emergency and failure recovery

    Mobilised breakdown response to remote sites, and the forensic work that establishes what actually happened.

    Work executed and reported against

    IEC 60076-18
  7. 07

    Training and capacity building

    Capability that stays behind after demobilisation. Frequently a contractual requirement where a development bank funds the work.

  8. A large power transformer in a concrete pit, with three high-voltage bushings above a bank of fan-cooled oil coolers and two technicians in hi-vis vests working on the tank cover
    08

    Maintenance contracts and O&M

    Multi-year scheduled maintenance across a site or network, with the records and trending an asset manager can report from.

03Standards

Standarder vi arbeider og tester etter

Publiserte internasjonale standarder. Å oppgi en metode sier hvordan arbeidet gjøres og hva det måles mot; det er ikke en sertifiseringspåstand.

Vi arbeider etter
IEC 60076IEC 60214IEC 60270IEC 60296IEC 60422IEC 60599
IEEE-veiledninger
IEEE C57.104IEEE C57.106IEEE C57.152
IEC-metoder
IEC 60156IEC 60247IEC 60567IEC 60666IEC 60814IEC 62021-1IEC 62535
ASTM-metoder
ASTM D97ASTM D445ASTM D611ASTM D664ASTM D924ASTM D971ASTM D1275ASTM D1298ASTM D1500ASTM D1533ASTM D1816ASTM D2668ASTM D3612ASTM D5950ASTM D6045
ISO-metoder
ISO 2049ISO 2977ISO 3016ISO 3104
04From a finding to a programme

Programme scope builder

Choose what testing or inspection has shown, and see the tests that characterise it, the standards it is read against and the programmes that address it.

Select what you have found

Where this leads

Oppdragsprogrammer
00
Test methods
00
Standardbetegnelser
00

Select a finding to see the tests, standards and programmes that follow from it.

Guidance, not a diagnosis. What a result means depends on the unit's history, loading and other readings, and only an engineer who has seen all of them can say.

Enquire with this scopeClear selection
Antall transformatorer

Fleet size sets the order of work.

Alle åtte faser i en mobilisering

Sent with the enquiry

Recorded for the engineer. The scope does not change.

Liquid-filled asset

Dry type: Cast resin and VPI — inspection, cleaning and electrical testing. No oil work applies. Transformer scope

Spenningsområde

Classed by the highest voltage for equipment, Um.

Oppdragsprogrammer
00
Test methods
00
Standardbetegnelser
00
Where this leads
05Remote and cross-border sites

Reach is part of the scope

For a remote or cross-border site, the programme also carries shipping, temporary import, customs, permits, abnormal-load transport, site generation, fuel and water planning, satellite communications, and a contingency for the part that does not clear customs. It is planned before the technical work, because it decides whether the technical work happens.

Mobilisation — eight stages, enquiry to demobilisation

  1. 01Du er her

    Enquiry

    Assets, site, symptoms and constraints. Enough to say honestly whether we are the right supplier.

  2. 02

    Site survey

    Access, condition and scope confirmed on the ground before a price is fixed.

  3. 03

    Mobilisation plan

    Equipment list, shipping route, clearance path, permits, team and dates.

  4. 04

    Shipping and clearance

    Consignment moves under temporary import, with clearance tracked to a date.

  5. 05

    Team deployment

    Technicians travel once the plant has cleared, not before.

  6. 06

    On-site works

    The scope executed against the agreed method statements and safety regime.

  7. 07

    Testing and handover

    Post-intervention test evidence, compared against the pre-intervention baseline.

  8. 08

    Demobilisation

    Plant re-exported, site left clean, used oil removed under a documented chain of custody.

How we mobilise
06Addressable market

Et kart over markeder, ikke over kontorer

Ordnet etter hvor transformatorservice trengs mest og er lettest å nå. Tilstedeværelse i noen av dem er ikke underforstått.

Undersøkt · ikke betjent det er ikke levert et prosjekt under navnet Trafoser i noen by på denne platen.

0 av 203 betjent — ett symbol, fordi hver by har én status. Et merke er et marked vi har lest om, ikke et sted vi er.

Ikke gjort gjeldende — ingen prosjekter på dette kartet er levert under navnet Trafoser, på noe kontinent

Hvor vi arbeider
07Who we work for

Sectors

The asset is similar; the consequence of losing it is not.

10 sectorsShow allHide

  • Transmission and distribution utilities

    Ageing fleets and reliability targets, with the work funded through a regulated investment plan or a development-bank rehabilitation programme. Either way, each intervention has to be justified with condition evidence.

  • Manufacturing and heavy industry

    Cement, steel, textiles, food processing and chemicals — continuous processes where an unplanned transformer outage stops the line.

  • Independent power producers

    Contractual availability obligations, and lenders who require documented, auditable asset management. Test evidence is a reporting deliverable, not a nicety.

  • Oil, gas and petrochemicals

    Onshore and offshore, hazardous area discipline, and a consequence of failure measured in more than lost production.

  • Renewables and storage

    Solar plants, wind farms, battery storage and collector substations, frequently remote and frequently commissioned to a fixed grid-connection date.

  • Mining and metals

    Remote sites, heavy and harsh duty, and an extremely high cost of downtime. Often self-generating, which makes the transformer a single point of failure for the whole operation.

  • EPC contractors

    Installation and commissioning packages inside a larger project, where the only thing that matters is mobilising on the date agreed.

  • Critical infrastructure

    Hospitals, airports, water utilities and ports, where the tolerance for an unplanned outage is effectively zero.

  • Telecoms and data infrastructure

    Distributed power assets whose reliability underpins service availability across a whole network.

  • Rural electrification and mini-grids

    Distribution transformer fleets spread across long distances, usually under development-finance programmes with their own procurement rules and reporting.

All sectors

Start with a condition assessment

Tell us the assets, the site and the situation. If the fleet's condition is unknown, an assessment is the lowest-commitment way to find out what you actually have — and it defines whatever comes next.

Be om en tilstandsvurderingDrøft et program
08Direkte linjer

Kontakt

Jo mer du forteller oss på forhånd, desto nyttigere blir det første svaret. Hvis tilstanden på parken er ukjent, si det — det er det vanligste utgangspunktet, og det har sitt eget svar.

Ring oss

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+90 532 657 48 78

E-post

info@trafoser.com

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