How to choose a 10/0.4 kV distribution transformer in Uzbekistan
Practical guide for engineers in Uzbekistan: capacity and load factor, S13/S22/SH15 losses, Yyn0 vs Dyn11, taps, climate, hermetic tanks and the specification.
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Guides, comparisons and news for engineers and procurement specialists.
Oil-immersed vs dry-type transformers: how to choose in Tashkent
A practical comparison of oil-immersed and dry-type transformers for buildings, plants and substations in Tashkent: fire safety, losses, price, upkeep.
Read moreEnergy-efficient transformers: annual savings of a 1000 kVA unit
Worked example for Uzbekistan: annual energy and cost savings of grade 1 (S22 / S-M-NX1) and amorphous SH15 1000 kVA transformers vs S11, with payback logic.
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Box-type substations (KTP): what is inside and how to specify
What is inside a box-type substation (KTP), how ZGS and YB differ, three single-line schemes and what a complete 10/0.4 kV specification for Uzbekistan needs.
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PV step-up substations for solar plants in Uzbekistan
How to specify PV step-up substations for solar plants in Uzbekistan: 0.8 kV to 10/35 kV, split-winding transformers, PCS booster stations and desert design.
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Transformer delivery to Uzbekistan: step-by-step process
How transformer delivery to Uzbekistan works: specification, contract, 20–45 day production, FAT, documents, rail via Khorgos, customs and commissioning.
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Transformer routine tests and type tests explained for buyers
What routine and type tests on a distribution transformer measure, how to read a factory test report, which certificates to request and how a FAT is run.
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Choosing 10 kV switchgear: KYN28A-12 vs RMU vs gas-insulated
How to choose 10 kV switchgear in Uzbekistan for main substations, cable rings and KTP: KYN28A-12 metal-clad, XGN15-12 RMU and SRM16-12 GIS compared.
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