69kV 33kV 10MVA-30MVA ONAN Copper Oil Immersed Power Transformer
Substation step-down utility power transformer built for heavy-duty primary distribution grids, regional substations, and solar farm tie-ins.
Inquire NowEngineered to IEC 60076 & ONEE Standards with High Thermal Dissipation, Foil Winding Precision, and C5 Marine-Grade Anti-Corrosion Coatings.
Substation step-down utility power transformer built for heavy-duty primary distribution grids, regional substations, and solar farm tie-ins.
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Flame-retardant, self-extinguishing Class F/H dry-type transformer designed for indoor substations, high-rise complexes, and port facilities.
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High-precision galvanic isolation transformer engineered for industrial automation, sensitive electronics protection, and medical machinery.
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Energy-efficient step-down distribution transformer providing ultra-low no-load losses for urban commercial buildings and local microgrids.
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Heavy-duty dry-type transformer optimized for mission-critical IT infrastructure, data centers, and continuous industrial power supplies.
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Compact medium-voltage step-down converter ideal for localized auxiliary supply, industrial control panels, and outdoor kiosk housing.
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Low-noise, ultra-stable isolation converter suppressing voltage spikes and electrical noise for medical equipment, labs, and precision CNC plants.
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Versatile low-voltage step-up/step-down dry-type transformer designed for dual-voltage industrial plants, motor drives, and OEM machinery.
Inquire NowAs the Kingdom of Morocco accelerates its ambitious Energy Transition Agenda—targeting over 52% renewable electricity generation by 2030 under the guidance of the Ministry of Energy Transition and Sustainable Development—the demands placed on power converters, distribution transformers, and substation infrastructure have transformed drastically. Modern power networks across Morocco require exceptional grid compliance, resilience against harsh desert environments, and high efficiency to handle massive utility-scale solar and wind integrations.
As a premier Chinese power converter manufacturer and direct exporter with over two decades of heavy industrial engineering expertise, we provide fully customized power conversion solutions engineered specifically to address the operational and environmental challenges of the Moroccan market. From the National Electricity Office (ONEE - Office National de l'Électricité et de l'Eau Potable) medium-voltage grid requirements (notably 22kV distribution systems) to severe ambient thermal loads exceeding +50°C in the Sahara regions, our products bridge international standards (IEC 60076, IS 2026) with localized operational realities.
Key Insight for Moroccan Engineering Buyers: Standard off-the-shelf transformers imported without high-ambient thermal recalculation suffer up to 25% premature insulation degradation under Southern Moroccan solar farm conditions. Our engineering team calculates exact temperature-rise allowances (50°C/55°C oil/winding limit) to ensure a 30+ year operating lifecycle.
Furthermore, Morocco's aggressive expansion of industrial hubs—such as the Tanger Med Port Logistics Zone, Atlantic Free Zone in Kenitra, Midparc Casablanca, and the massive phosphate processing installations managed by OCP Group—requires specialized transformers capable of handling heavy non-linear loads, harmonic distortions (K-factor ratings), and aggressive marine-coastal atmospheric corrosion (C4/C5 corrosion classes).
Fully integrated in-house manufacturing, rigorous quality control, and advanced thermal modeling guarantee reliable equipment delivery for major overseas turn-key projects.
Unlike standard assembly operations, our facility integrates every critical phase of power converter and transformer production under one roof, guaranteeing strict quality oversight audited by ISO 9001, ISO 14001, and ISO 45001 management systems:
Tailored power conversion solutions delivering stable grid performance in diverse environmental conditions—from Atlantic ports to Saharan desert solar arrays.
Multi-winding step-up solar inverter duty transformers (e.g., 22kV or 33kV output) engineered to withstand cyclic thermal loading, high solar radiation, and fine sand dust ingress across solar projects like Noor Ouarzazate and Midelt.
SCB series cast resin dry-type transformers providing safe, fire-proof power distribution inside indoor substations at the Tanger Free Zone, Atlantic Free Zone (Kenitra), and Midparc Aeropole (Casablanca).
Heavy-duty ONAN/ONAF step-down power transformers customized for high vibration tolerance and severe environmental dust, serving OCP Group mining hubs in Khouribga, Benguerir, and Jorf Lasfar industrial platforms.
Ultra-low noise dry-type isolation transformers and compact substations for shopping centers, high-speed rail stations (Al Boraq line), medical facilities, and high-density telecom data centers in Rabat and Casablanca.
To assist Moroccan procurement officers, utility consultants, and EPC contractors, the matrix below details how our engineering parameters align with ONEE standards and international IEC frameworks:
| Technical Parameter | Standard International Spec | Moroccan ONEE / Local Requirement | Our Factory Supply Solution |
|---|---|---|---|
| Primary MV Voltage | 10kV, 15kV, 35kV | 22kV (Most Common MV Network), 11kV, 60kV | Custom primary taps optimized for 22kV ±2x2.5% or ±5% NLTC/OLTC |
| Secondary LV Voltage | 400V / 230V, 415V | 400V 3-Phase / 230V Single-Phase (50 Hz) | Star-Point Neutral grounded 400V (Dyn11 / Ynd11 vector groups) |
| Ambient Operating Temp | 40°C Peak / 30°C Average | +45°C to +50°C Peak (Desert/Inland regions) | De-rated core coil sizing with 50°C top oil temperature rise limit |
| Enclosure Protection | IP20 (Indoor) / IP44 (Outdoor) | IP54 / IP55 Sand-Dust Proof & Rain Resistant | Hermetically sealed oil tank or IP54 heavy-gauge dry-type enclosure |
| Corrosion Resistance | C2 / C3 Standard Paint | C4 / C5 Marine Atmospheric (Coastal Ports) | Hot-dip galvanized fittings + C5-M 240µm multi-coat polyurethane paint |
| Applicable Standards | IEC 60076, IEEE C57 | IEC 60076 / ONEE Norms / CE Marking | Full compliance with IEC 60076-1 through 60076-11 with third-party testing |
Comprehensive engineering & commercial insights answering common procurement queries from Moroccan contractors and importers.
Yes. We regularly manufacture power and distribution transformers according to ONEE medium-voltage specifications, specifically featuring 22kV primary ratings, Dyn11 vector configuration, special loss guarantee limits (A0-Ck or custom low-loss classes), and specific terminal arrangement requirements (such as plug-in bushings or porcelain bushings).
Standard transformers rated for a max ambient temperature of 40°C experience severe overheating in southern desert zones. We apply thermal de-rating calculations in accordance with IEC 60076-2, incorporating larger cooling radiator surface areas, high-temperature DuPont Nomex or Class H insulation materials, and forced ONAN/ONAF cooling configurations to maintain maximum load capacity without insulation degradation.
We ship directly from major Chinese sea ports (Shanghai, Ningbo, Qingdao) to Tanger Med Port or Casablanca Commercial Port. Sea transit typically takes 25 to 35 days. We provide a complete export documentation dossier—including Commercial Invoice, Detailed Packing List, Bill of Lading, Certificate of Origin (Form CO), Factory Test Reports, and CE/IEC Certificates—ensuring smooth Moroccan customs clearance.
Cast resin dry-type transformers eliminate oil leak hazards and are completely self-extinguishing (F1 fire class rating). They are required by modern Moroccan building codes for high-density indoor installations, hospitals, underground shopping plazas, and port facilities where environmental protection and fire safety are paramount.
Absolutely. We welcome Moroccan client engineering teams or accredited independent inspection agencies (such as Bureau Veritas, SGS, Intertek, or TÜV) to witness routine and type testing at our factory test facility before packing and container loading.
We provide a standard 18 to 24-month warranty from shipment date (or 12 to 18 months from commissioning). Our engineering support team offers 24/7 remote technical assistance, detailed O&M manuals, complete spare parts supply (bushings, gaskets, Buchholz relays, temperature controllers), and partner engineers for local field support.
Consult with our senior transformer application engineers today. Send us your Single Line Diagrams (SLD), tender specifications, or target kVA/voltage requirements for a rapid technical proposal and competitive factory-direct quote.
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