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Written by: Joomla

Category: Blog (en-EN)

Published: 12 September 2025

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FREQUENCY TRANSFORMERS - DISTRIBUTION AND MEDIUM POWER TRANSFORMERS

At FREQUENCY TRANSFORMERS, we offer fast quotes, flexible planning, and on-time delivery for oil-immersed and dry-immersed distribution and medium power transformers from 100 kVA to 40 MVA. With our export experience focused on Europe and the Balkans, we provide competitive prices, consistent quality, and seamless logistics for EPCs, importers, and operators.

Why FREQUENCY TRANSFORMERS?

• Full compliance with IEC/EN standards: IEC 60076 series, EcoDesign efficiency requirements
• Speed ​​and flexibility: Preliminary quote in 24–48 hours, scalable production, scheduled shipment
• Reliable performance: Low losses, low noise, high short-circuit resistance
• Complete documentation: Type/routine test reports, nameplates, CE/CoC, and project drawings
• Europe-focused logistics: Delivery in accordance with Incoterms, customs, and packaging support

Product Scope:

• Oil-immersed distribution transformers: Hermetic and with expansion tanks (ONAN/ONAF)
• Medium-power step-up/step-down transformers: 2.5–40 MVA, 6–154 kV classes (project-based)
• Dry-type (cast resin/VPI) transformers: 100 kVA–10 MVA, indoor and corrosive environment options
• Kiosk/container transformer substations: RMU + Transformer + LV panel integrated solutions
• Special applications: BESS/PCS compatible, solar power plant inverter output, wind turbine/booster transformers

Technical Specifications and Options:

• Power range: 100 kVA – 40 MVA
• Voltage levels: LV 0.4–0.8 kV; MV 6–36 kV typical; HV side project-based (52–154 kV)
• Cooling: ONAN/ONAF/ODAF (depending on project), dry type AN/AF
• Oil options: Mineral, natural ester (FR3) – environmental and fire safety
• Connection groups: Dyn11, YNd1, YNyn0, etc. depending on grid and inverter/topology
• Loss classes: Low no-load and load losses in accordance with EcoDesign/EU requirements
• Accessories: Buchholz, pressure relay, TTR/CT/VT, temperature monitoring (PT100), fan groups
• Enclosure/protection: IP23–IP55, C3–C5-M corrosion class paint, seismic design option
• Tests: Routine, type and dielectric tests; customer-witnessed FAT; Partial discharge (dry type)

Application Areas:

• Grid-connected solar power plants (step-up transformers, station transformers)
• Industrial facilities, mining, petrochemical, steel, data centers, and hospitals
• Distribution companies and municipal grids
• Energy storage (BESS) and microgrid/hybrid applications

Engineering and Integration:

• Optimized impedance and thermal design for short circuits and harmonic loads
• SCADA/RTU integration: Dry contacts, Modbus/IEC 61850 gateways (panel side)
• Protection coordination: Relay settings, grounding, and voltage drop accounts
• Field logistics: Modular transport, lifting points, compact footprint, and rapid commissioning

Benefits for importers and EPCs:

• Fast quotation and technical clarification list (24–48 hours)
• Country-specific nameplates, documentation, and multilingual content
• EXW, FCA, CPT, DAP delivery options; customs paperwork management
• Long-term price stability, flexible order quantities, and synchronized shipping

Frequently Asked Questions:

• Lead times? 4–12 weeks depending on power and type; stock and part-stock options available.
• Minimum order? Flexible depending on project scale.
• Noise levels? Low dB(A) design options are suitable for residential/business center boundaries.
• Oil- or dry-type? Let's choose together based on fire safety, installation location, and cost/performance criteria.

Call to Action: Contact us with a single-line diagram, load profile, and network parameters for your distribution and medium-power transformer needs. Let us secure your project with a fast quote, clear deadlines, and reliable delivery.

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Written by: Joomla

Category: Blog (en-EN)

Published: 12 September 2025

Hits: 12

FREQUENCY TRANSFORMERS - DRY-TYPE TRANSFORMERS

At FREQUENCY TRANSFORMERS, we offer fast quotes, flexible planning, and on-time delivery for cast resin and VPI/VPE dry-type transformers. We provide the optimal solution for EPCs, importers, and end users with fire safety, low maintenance, and resistance to indoor and corrosive environments.

Why a Dry-Type Transformer?

• Fire safety: Flame-resistant, low smoke emission (F1/NHN material options)
• Low maintenance: No oil changes, no risk of leakage, long lifespan
• Indoor suitability: Safe use in hospitals, shopping malls, tunnels, data centers, residential, and industrial facilities
• Environmentally friendly: Low environmental impact due to no oil or risk of leakage

Why a Frequency Transformer?

• IEC/EN 60076-11 compliant design and testing
• Low loss, low noise, high efficiency classes
• 24–48 Preliminary quotation in 24 hours, clear delivery times, and transparent planning.
• European and Balkan-focused logistics, full documentation, and multilingual labeling.

Product Scope:

• Cast resin dry-type distribution and power transformers (class F/H)
• VPI/VPE insulated dry-type transformers
• Special series with low noise and low loss classes.
• Kiosk/container and LV panel integration solutions.

Technical Specifications and Options:

• Power range: 100 kVA – 10 MVA (higher powers on a project-by-project basis)
• Voltage levels: 0.4–0.8 kV LV, 6–36 kV MV typical.
• Cooling: AN, AF (with optional fan support)
• Insulation class: F or H; temperature rise: 80K/100K/120K options
• Windings: Aluminum or copper, vacuum-cast resin
• Connection groups: Dyn11, Yyn0, YNd1, etc.
• Protection: IP21–IP54 enclosure, C3–C5-M corrosion-rated paint for outdoor use
• Sensors and accessories: PT100/NTC, temperature relay, fan groups, wheels, vibro isolator
• Seismic design: Seismic Zone 4 resistance option available
• Tests: Routine, type, and partial discharge tests; Customer-tested FAT

Application Areas:

• Solar power plant/wind inverter output, BESS/PCS integration
• Industrial facilities, data centers, hospitals, airports, tunnels, mines
• IP-rated enclosures for high humidity, dust, and corrosive environments
• Residential and commercial buildings requiring low noise

Engineering and Integration:

• Harmonic-resistant design for high THDi loads
• Short-circuit mechanical strength and voltage drop optimization
• Dry contact and temperature monitoring outputs for SCADA/RTU integration
• Package solution with LV panels, compensation, and harmonic filter panels

Importer and Benefits for EPCs:

• Fast quotation and technical clarification list (24–48 hours)
• CE, nameplates, single-line diagrams, and multilingual documentation
• EXW, FCA, CPT, DAP delivery terms and customs paperwork support
• Flexible order quantities, synchronized shipping, and long-term price stability

Frequently Asked Questions:

• Minimum order quantity? Flexible depending on the project.
• Noise level targets? Low dB(A) options available for 50/60 Hz.
• Maintenance requirements? Periodic visual inspection and cleaning; no oil changes.
• Ambient conditions? -25°C/+40°C is standard, with extended ranges available upon request.

Call to Action:Contact us with your single-line diagram and load profile to select the right dry-type transformer for your project. We'll support you with a fast quote, clear delivery times, and reliable delivery.

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Written by: Joomla

Category: Blog (en-EN)

Published: 12 September 2025

Hits: 13

FREQUENCY TRANSFORMER – A RELIABLE TURKISH SUPPLY PARTNER FOR TRANSFORMER IMPORTERS

As FREQUENCY TRANSFORMER, we supply world-class transformers from Turkey. We simplify your work for importers with our fast quotation, flexible production plan, and on-time delivery approach. Our export model, focused on the European and Balkan markets, combines reliable quality, competitive pricing, and strong after-sales support.

Our target markets are: Romania, Bulgaria, Kosovo, Bosnia and Herzegovina, North Macedonia, Albania, Slovakia, Germany, Czech Republic, Serbia, Croatia, France, Belgium, Greece, Finland, and Estonia.

Why FREQUENCY TRANSFORMER?

• Importer-Focused Service: Fast turnaround, clear pricing, and transparent process management.
• Flexible Production and Short Delivery Time: Scalable capacity based on projects and scheduled shipments.
• Reliable Quality: Consistent production, regular quality checks, and complete documentation.
• Easy Logistics: Fast delivery options and cost-effective transportation to Europe and the Balkans.
• Constant Communication: End-to-end tracking and support from a single point of contact.

Benefits for Importers:

On-time delivery and predictable supply.
Packaging, labeling, and documentation tailored to your market.
Long-term partnerships and sustainable pricing policies.
Flexible order quantities tailored to local needs.

Our Value:

• Supply security and continuity.
• A customer-satisfaction-focused approach.
• Export experience and country-specific process knowledge.
• After-sales guidance and rapid feedback.

Target Country Approach:

• Project-based quotations strengthen relationships in the EU and Balkan markets.
• Coordinated, seamless import processes with local business partners.
• Accessibility through sectoral trade fairs and B2B platforms.

Frequently Asked Questions:

• How long does it take to prepare a price quote? We share a preliminary quote within 24–48 hours.
• Is there a minimum order quantity? We offer a flexible approach based on project and country.
• What are your delivery options? We work with you to plan the most suitable delivery terms for your target market.

Call to Action: If you're looking for a reliable supply partner in your target markets, contact us. Share your needs; we're here to help with a fast quote, clear plan, and reliable delivery.