Transmission and subtransmission substations • Grid reinforcement • Generation and renewable interconnection • Large industrial projects
Power Transformers for Kosovo, with primary-voltage options of 110 / 220 kV and secondary configurations of 35 / 20 / 10 kV for distribution, industrial and electrical-infrastructure applications.
Rated capacity: 110 kV: 6.3–63 MVA / 220 kV: 50–360 MVA · Primary voltage: 110 / 220 kV · Secondary voltage: 35 / 20 / 10 kV
01 Technical data
Rated capacity: 110 kV: 6.3–63 MVA / 220 kV: 50–360 MVA · Primary voltage: 110 / 220 kV · Secondary voltage: 35 / 20 / 10 kV
02 Application engineering
Power transformers for transmission and sub-transmission substations in Kosovo (110 / 220 kV), supporting grid reinforcement, generation and large-load connections in projects spanning industrial parks, renewable energy and mining, where engineered, project-specific design is the norm.
Main step-down and step-up transformers in high-voltage substations (110 / 220 kV), forming the link between transmission and distribution levels. Design is project-specific, based on the grid study, short-circuit levels, regulation needs and the requirements of KOSTT / KEDS.
Step-up transformers connecting solar, wind and storage plants to the grid, often in remote areas with variable output. Specifications address harmonics, cyclic loading, tap changing and the grid operator connection requirements.
Main supply for mines, smelters, process plants and other heavy loads (industrial parks, renewable energy and mining) taken directly from the transmission grid. Units operate continuously under demanding conditions, so cooling, protection and environmental design are confirmed at project level.
03 Define your configuration
Select the main project parameters.
110 kV
220 kV
04 Construction and options
05 Applicable standards and requirements
06 Manufacturing process
Downloads & support
HKXR POWER Technical Selection Guide
Guide for initial technical selection of distribution, power, dry-type, pole-mounted and pad-mounted transformers.07 Decision support
For Kosovo, choose Power Transformers when the main duties are Transmission substations and Sub-transmission substations; compare Oil-Immersed Transformers when Utility distribution networks and Distribution substations better match the site. Final selection depends on the installation environment, network topology, fire or oil-containment requirements, rating and project specification.
Key choices include ONAN/ONAF cooling stages, tap changer / OLTC and monitoring and protection. Select them according to the load profile, connection arrangement, installation environment, protection philosophy and utility/EPC specification; items shown as options or project engineering are not automatic standard equipment.
Confirm ambient temperature, altitude, humidity, dust or corrosion exposure, indoor/outdoor location, ventilation, access and maintenance clearances. For applications such as Transmission substations, Sub-transmission substations and Mining operations, cooling, enclosure or insulation and protection should be reviewed during engineering rather than assuming one environmental class for the whole country.
Use KOSTT Electrical Equipment Code as the starting technical reference. Requirements from KOSTT / KEDS / ERO(ZRRE) should also be confirmed. Final losses, temperature rise, impedance, taps, accessories, tests and documentation must be checked against the applicable project specification; this page does not imply automatic approval by any authority.
Confirm the applicable routine tests, general arrangement drawings, electrical datasheet, accessory list and inspection/test documents before manufacturing. Type or special tests, witnessing and additional reports should be specified when the project requires them. For Power Transformers, also confirm site-specific environmental and installation engineering.
Provide at least Rated capacity, Primary voltage, Secondary voltage, Phases, the selected ONAN/ONAF cooling stages / tap changer / OLTC options, installation conditions and the applicable project or utility specification. If available, attach the SLD, datasheet or tender specification so the configuration can be reviewed before quotation.
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