FREQUENCY TRANSFORMERS - OIL-IMMERSED DISTRIBUTION TRANSFORMERS
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FREQUENCY TRANSFORMERS - MEDIUM VOLTAGE TRANSFORMERS
As FREQUENCY TRANSFORMERS, we offer fast quotes, flexible planning, and on-time delivery for oil- and dry-type medium voltage transformers in the 6–36 kV range. With our Europe and Balkan-focused export model, we provide competitive prices, consistent quality, and seamless logistics for EPCs, importers, and operators.
Why FREQUENCY TRANSFORMERS?
- Full compliance with IEC/EN 60076 series and EcoDesign efficiency requirements
- Preliminary offer, transparent delivery times, and scheduled shipments within 24–48 hours
- Low losses, low noise, high short-circuit and impact resistance
- Full documentation: Type/routine test reports, CE/CoC, nameplates, and project drawings
- Cost-effective logistics for Europe and the Balkans, delivery in accordance with Incoterms
Product Scope:
- Oil-immersed MV transformers: Hermetic and with expansion tanks (ONAN/ONAF)
- Dry-type (cast resin/VPI) MV transformers: For indoor use, tunnels, and critical facilities
- Kiosk/container MV transformer substations: RMU + Transformer + LV panel integrated solutions
- Application-specific transformers: Solar power plant inverter output, wind turbine/tower base, BESS/PCS compatible
Technical Specifications and Options:
- Voltage levels: 6–36 kV (MV), low-side 0.4–0.8 kV; intermediate levels optional
- Power range: 100 kVA – 20 MVA (higher powers possible on a project basis)
- Cooling: Oil-immersed ONAN/ONAF; dry type AN/AF (fan-supported)
- Oil options: Mineral or natural ester (FR3) – environmental and fire safety
- Connection groups: Suitable for grid/inverter topologies such as Dyn11, YNd1, YNyn0, etc.
- Loss classes: Low no-load and load losses in accordance with AB/EcoDesign
- Accessories: Buchholz, pressure relay, PT100 temperature sensors, fan groups, CT/VT
- Enclosure/protection: IP23–IP55; C3–C5-M corrosion class coating; seismic design option
- Tests: Routine, type, and dielectric tests; partial discharge in dry type; Customer-tested FAT
Application Areas:
- Grid distribution and MV/LV step-down centers
- Step-up and station transformers for solar power plants/RES plants
- Industrial facilities, data centers, hospitals, mining, and tunnel projects
- Energy storage (BESS) and microgrid/hybrid systems
Engineering and Integration:
- Optimized impedance and thermal design for short-circuit and harmonic loads
- Thermal/harmonic resistance in THDi high inverter/PCS applications
- SCADA/RTU integration: Dry contacts and monitoring interfaces (via panel)
- Protection coordination: Relay settings, grounding, and voltage drop calculation support
- Field logistics: Modular/container solutions, lifting points, rapid commissioning
Benefits for importers and EPCs:
- Fast preliminary offer and technical clarification list in 24–48 hours
- Country-specific nameplate, CE/conformity declarations, and multilingual documentation
- EXW, FCA, CPT, DAP delivery options; customs and packaging support
- Long-term price stability, flexible order quantities, and synchronized shipping
Frequently Asked Questions:
- Delivery times? 4–12 weeks depending on type and power; stock/semi-stock options available.
- Oil- or dry-type? Let's determine it together based on fire safety, installation location, and TCO criteria.
- Noise level? Low dB(A) options suitable for residential/business center boundaries are available.
- Which tests? Routine and type tests, dielectric and partial discharge (dry type), customer-witnessed FAT.
Call to Action: Contact us with a single-line diagram, load profile, and network parameters for your medium voltage transformer needs. Let us secure your project with a fast quote, clear deadlines, and reliable delivery.
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FREQUENCY TRANSFORMERS - MEDIUM POWER TRANSFORMERS
As FREQUENCY TRANSFORMERS, we offer fast quotes, flexible planning, and on-time delivery for oil-immersed and dry-type medium power transformers. Our IEC 60076-compliant designs, with low losses and high short-circuit resistance, ensure reliable supply for EPCs, importers, and operators.
Why FREQUENCY TRANSFORMERS?
- Standard compliance: IEC/EN 60076 series, EcoDesign efficiency requirements
- Speed and transparency: 24–48 hour preliminary quote, clear delivery schedule, scheduled shipment
- Reliability: Low no-load/load loss, low noise, high surge and short-circuit resistance
- Documentation: Type/routine test reports, CE/CoC, nameplate, and project drawings
- Logistics: Europe and Balkan-focused deliveries, Incoterms-compliant options
Product Scope:
- Oil-immersed medium power transformers: Hermetic or with expansion tank (ONAN/ONAF/ODAF)
- Dry-type (cast resin/VPI) medium power transformers: Indoor/critical facility applications
- Step-up/step-down transformers: Solar power plants/windows power stations, grid intermediate voltages
- Kiosk/container transformer substations: RMU + Transformer + LV panel integrated packages
- Special applications: BESS/PCS compatible, low-harmonic and low-noise series
Technical Specifications and Options:
- Power range: 2.5–40 MVA (higher powers possible on a project basis)
- Voltage levels: MV 6–36 kV; HV side project-based (52–154 kV typical); LV 0.4–1 kV
- Cooling: ONAN/ONAF/ODAF (oil-immersed); AN/AF (dry-type)
- Oil: Mineral or natural ester (FR3) – environmental and fire safety
- Insulation: High impact resistance; BIL/LI levels as required by project
- Connection groups: Suitable for topologies such as Dyn11, YNd1, YNyn0, etc.
- Loss classes: Low-loss options compatible with EU/EcoDesign
- Accessories: Buchholz, pressure relay, oil/level/temperature indicators, CT/VT, fan groups
- Monitoring: PT100/NTC, temperature relay, dry contacts; Interface for online monitoring
- Enclosure/coating: IP23–IP55; C3–C5-M corrosion-rated paint; seismic design option
- Tests: Routine, type, and dielectric tests; dry-type partial discharge; customer-tested FAT
Application Areas:
- Solar power plants/wind power plants: Step-up station transformers, station/load centers
- Grid and distribution companies: MV/HV intermediate voltage transformations
- Energy storage (BESS) and microgrids: PCS-compatible designs
- Heavy industry, data centers, hospitals, mining, and infrastructure projects
Engineering and Integration:
- Optimized impedance and thermal design for short-circuit and dynamic loads
- Harmonic and thermal resistance in high THDi applications (inverter/PCS)
- SCADA/RTU integration: Dry contacts, monitoring modules (panel (via)
- Support for protection coordination, voltage drop, and grounding calculations
- Field logistics: Modular transport, lifting points, rapid commissioning procedures
Benefits for importers and EPCs:
- Fast quotation and technical clarification list in 24–48 hours
- Country-specific nameplate, CE/CoC, single-line, and assembly drawings
- EXW, FCA, CPT, DAP delivery options; customs and packaging support
- Long-term price stability, flexible order quantities, and synchronized shipping
Frequently Asked Questions:
- Delivery times? 6–14 weeks depending on power/specifications; part-stock options possible.
- Oil- or dry-type? Let's choose together based on fire safety, installation location, and TCO.
- Noise target? We offer low dB(A) designs that comply with local regulations.
- Which tests? Routine/type/dielectric tests in accordance with IEC 60076; customer-witnessed FAT.
Call to Action: Contact us with a single-line diagram, load profile, and network parameters for your medium-power transformer needs. Let us secure your project with a fast quote, clear deadlines, and reliable delivery.
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FREQUENCY TRANSFORMER - TRANSFORMER CENTER
FREQUENCY TRANSFORMER, we design and manufacture MV/LV transformer substations in kiosk or container form with a turnkey approach. We offer IEC-compliant, compact, safe, and fast-starting solutions for distribution, solar power plants/wind power plants, power plants, and industrial projects.
Why a Frequency Transformer?
- One-stop solution: RMU + Transformer + LV panel + SCADA/RTU integration
- Speed and flexibility: 24–48 hour preliminary quote, short production cycle, scheduled shipment
- Security and compliance: IEC/EN, local distribution company specifications, and fire safety
- Speed on site: Plug-and-play installation after Factory Acceptance Test (FAT), minimal on-site work
- Europe-focused logistics: Delivery in accordance with Incoterms, appropriate packaging, and customs support
Solution Types:
- Kiosk (concrete or metal) transformer substations
- Container-type mobile/portable transformer substations
- Double-compartment/three-compartment layout: MV switchgear – Transformer – LV distribution
- Open-field modular transformer platforms on skids/pallets
Components and Integration:
- MV side: RMU with load break switch/protection, measuring switchgear, metal-enclosed modular switchgear
- Transformer: Oil-immersed (hermetic/with expansion tank, ONAN/ONAF) or dry-type (AN/AF), 100 kVA–40 MVA
- LV side: Switchgear and MCC panels, compensation/filter panels, metering and metering modules
- Protection and control: Relays, secondary circuits, grounding bars, interlocks and interlocks
- Monitoring/SCADA: Dry contacts, Modbus/IEC 61850 gateways, remote monitoring interfaces
- Auxiliary systems: Lighting, HVAC/filtration, fire detection/extinguishing, cable trays
Technical Specifications:
- Voltage levels: MV 6–36 kV; LV 0.4–1 kV
- Short-circuit resistance: Complies with local DSO requirements, 16–31.5 kA typical
- Protection class: IP23–IP55; indoor/outdoor enclosure (C3–C5-M)
- Temperature/climate: -25/+50°C standard; special solutions for extreme climates and corrosion
- Seismic design and EMC: According to regional requirements
- Cable entries: Bottom/top, cable well, and flange/cap options
- Tests: Routine and type tests, dielectric tests, functional FAT; customer-witnessed
Application Areas:
- Grid MV/LV step-down stations, distribution company sites
- SPP/RES stations, step-down/step-down intermediate centers
- BESS and microgrid projects
- Industrial facilities, mining, construction sites, temporary energy needs
Engineering and Project Support:
- Single-line diagram, short circuit, and load flow studies
- Grounding, potential equalization, and step-touch voltage analysis
- Protection coordination and relay setting files
- Layout, cable route, and civil infrastructure interface drawings
- Commissioning procedures and field training
Importer/EPC Advantages:
- Fast quote and technical clarification list (24–48 hours)
- Country-specific nameplate and design adapted to DSO standards
- EXW, FCA, CPT, DAP delivery; customs and packaging documentation
- Repeatable platform architecture for synchronous shipping and multiple sites
Frequently Asked Questions:
- Delivery time? 6–12 weeks depending on configuration; semi-stock modules are possible.
- Concrete or metal kiosk? Let's choose together based on climate, vandalism risk, and transportation.
- Oil-filled or dry-filled? Let's decide based on fire safety and TCO criteria.
- Noise target? Low-noise designs complying with local dB(A) limits are available.
Call to Action:Contact us with a single-line diagram, power/voltage values, and site conditions for your transformer substation needs. Let's secure your project with a fast quote, clear deadlines, and reliable delivery.
Hermetic Type Distribution
Transformers
Transformers
Long Insulation Life:The transparent insulation oil of the atmosphere does not come into contact with oxygen and insulation deterioration is prevented without oxidation. This extends the insulation life and general service life of the transformer.
Low Maintenance Requirement:No regular maintenance is required other than cleaning under normal conditions and use.
Dimension Advantage:The expansion tank is dimensionally stopped. The transformer, which is the solution to the problem, provides the advantage
Distribution Transformers with Expansion Tanks
Long Insulation Life:Since it is closed to the atmosphere, the insulation oil does not come into contact with oxygen and insulation deterioration caused by oxidation is prevented. This extends the insulation life of the transformer and therefore its service life.
Low Maintenance Requirement:It does not require periodic maintenance other than cleaning under normal conditions and use.
Dimension Advantage:Since there is no expansion tank, the height is reduced in terms of dimensions. This provides an advantage in transformer centers with height problems
Power
Transformers
Transformers
It is usually designed with an expansion tank. As a cooling element, radiator groups that can be easily installed and removed are preferred. Depending on the characteristics and importance of the place of use, it is common to equip them with more protection equipment than distribution transformers.
Special Type
Transformers
Transformers
In order to meet the customer's demands for special type transformers that can respond to new and changing needs in industry, distribution and all other areas, our technical team works by consulting with the customer at every stage, listening to their needs and making suggestions. In this process, it projects the needs and offers solutions by immediately putting them into practice.
Malıköy Başkent OSB 47. Cadde No:14, 14/1
Sincan -ANKARA
Sincan -ANKARA
