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630kVA 10kv Automatic Low-Loss Three-Phase Oil-Type Transformer with UL
Instrava Dikurasi bridges the gap between medium-voltage utility distribution and localized power consistency. As a specialized B2B global supplier rather than a single-track manufacturer, our foundational value centers on expert product filtering and structural verification. We eliminate sourcing vulnerabilities by evaluating trusted production lines and selecting only the most robust, thermally superior grid assets. Our curated 630kVA 10kv Automatic Low-Loss Three-Phase UL Step-Down Oil Distribution Transformer perfectly reflects this precise screening philosophy. Engineered to seamlessly transform volatile 10KV network lines into safe, continuous low-voltage output, this series provides modern industrial complexes and large-scale commercial facilities with an uncompromised baseline of energy efficiency, structural safety, and long-term capital protection.
Transformer Description
High-Conductivity Engineering & Thermal Supremacy
When selecting distribution-class infrastructure for our elite portfolio, Instrava prioritizes products built on advanced thermal safety and material purity:
100% Pure Copper Winding Matrix: We select only transformers engineered with high-grade copper windings. Utilizing copper drastically enhances electrical conductivity and elevated thermal overload tolerance compared to aluminum alternatives. This low-resistance design heavily reduces eddy current and load losses, maximizing overall energy performance while lowering continuous operating expenses.
Efficient Oil-Immersed Convection Cooling: This series utilizes an advanced oil-cooling method that capitalizes on high-dielectric insulating mineral oil to maintain continuous thermal stability. Natural fluid convection shifts kinetic heat away from the core and winding assemblies to external corrugated walls. This ensures the transformer maintains an optimal temperature profile even under heavy, continuous loading, significantly expanding equipment reliability and service life.
Grid Compatibility, Step-Down Precision & Automated Safety
The physical and electrical configurations within our curated 630kVA lineup are optimized to handle severe commercial loads while satisfying rigid global safety standards:
Seamless 10KV Utility Integration: Built with a standard 10KV input voltage profile, this transformer guarantees native compatibility with regional high-voltage and medium-voltage distribution grids. Its robust step-down architecture seamlessly stepping voltage down to localized utility baselines, making it an ideal choice for factory automated lines, extensive mining operations, and commercial facilities.
Industrial-Scale 630KVA Capacity: With a fully rated three-phase 630KVA capacity, these units handle significant, fluctuating electrical demands easily. The balanced three-phase construction supports symmetrical current delivery to prevent phase unbalances across heavy machine networks.
UL-Certified Compliance & Automatic Design Value: To completely protect your capital investment, our selected units carry the elite UL listing mark, certifying that the equipment has undergone exhaustive mechanical, environmental, and short-circuit threshold evaluations. Integrated low-loss automatic engineering principles ensure the unit preserves excellent voltage regulation, preventing voltage sags or line surges from reaching downstream terminal hardware.
Transformer Parameter
Nomor Model | oil immersed transformer |
Phase | Three |
Coil Number | 3 |
Usage | power |
Coil Structure | layer coil |
Rated Primary Voltage | 11 |
Rated Secondary Voltage | 0.415 |
Daya | 100kva |
Rated capacity | 30-3000kva |
Frekuensi | 50/60Hz |
Bahan | Copper/aluminum |
Tegangan Input | 10kv-35kv |
Output Voltage | 200v/220/240/380v/400v/415v/440v |
Warna | Grey |
Sertifikasi | ISO9001 |
Winding material | 100%Copper |
Cooling Method | ONAN |
Vector Group | Dyn11/Yyn0/Yd11/YNd11 |
| 10kv-35kv Distribution Transformer | ||||||
| Rated Power(kva) | High Voltage(kv) | Low Voltage(kv) | Connection symbol | No-load loss(w) | On-load loss(w) | No load current(%) |
| 400kva | 10kv 11kv 20kv 35kv | 0.4 | Ydn11 Yyn0 | 570 | 4300 | 0.45 |
| 500kva | 680 | 5410 | 0.45 | |||
| 630kva | 810 | 30800 | 0.4 | |||
| 800kva | 980 | 7500 | 0.4 | |||
| 1000kva | 1150 | 10300 | 0.35 | |||
| 1250kva | 1360 | 12000 | 0.3 | |||
| 1600kva | 1640 | 145000 | 0.6 | |||
| 2000kva | 1950 | 19140 | 0.6 | |||
| 2500kva | 2340 | 22220 | 0.5 | |||
Instrava OEM / ODM
Reliable Instruments & Power Infrastructure. Solutions That Fit Your Application.
Instrava is focused on delivering reliable industrial solutions through carefully curated products, application-driven optimization, and flexible customization. We select proven measurement instruments and heavy-duty power transformers from trusted China manufacturers to ensure consistent quality. By thoroughly evaluating engineering topologies against real working conditions, we solve practical grid and process challenges, providing tailored configurations to meet specific application needs.
By combining selection expertise with deep application understanding, Instrava helps customers reduce operational risk, improve energy efficiency, and achieve dependable results across complex industrial and power distribution environments.
Why is copper winding superior to aluminum for a 630kVA 10kv oil distribution transformer?
Copper winding is superior because it possesses significantly higher electrical conductivity, lower internal resistance, and greater mechanical strength than aluminum. For a 630kVA high-load capacity transformer, copper’s low resistance directly reduces $I^2R$ load losses and waste heat generation. This results in a much more compact equipment footprint, superior short-circuit fault resilience, and significantly lower operational energy costs over a 30-year grid lifecycle.
How does the oil cooling method extend the lifecycle of a three-phase distribution transformer under heavy load?
The oil cooling method extends lifecycle integrity by providing a highly conductive natural medium for heat dissipation and electrical insulation. High-grade mineral oil completely surrounds the 630kVA core and copper windings, absorbing thermal spikes caused by heavy industrial loads. Through natural convection, the heated oil flows to external cooling fins where heat is safely released to the ambient air, preventing localized hotspots that degrade winding insulation.
What role does UL certification play when selecting a 630kVA oil type distribution transformer for commercial grids?
UL certification serves as definitive proof that the transformer complies with rigorous international safety, fire, and structural performance standards. Sourcing a UL-listed 630kVA transformer ensures the asset has passed intense testing for dielectric breakdown strength, short-circuit containment, and thermal thresholds. This certification minimizes corporate liability, speeds up local utility grid interconnection approvals, and ensures the safety of surrounding facility personnel.
How does a 10kv input voltage profile benefit industrial and commercial facility infrastructures?
A 10kv input voltage profile allows large-scale facilities to connect directly to medium-voltage utility distribution lines, reducing line current and minimizing voltage drops across long distances. By accepting a 10KV supply and stepping it down locally via a 630kVA transformer, plants can optimize their power factor, avoid high-voltage line losses, and secure lower industrial energy tariffs from utility providers.
What makes this 630kVA three-phase transformer classification a “low-loss” energy solution for smart facilities?
This transformer achieves its low-loss status by combining precision-cut grain-oriented silicon steel cores with premium copper windings to reduce both no-load and load losses. The multi-layered core architecture minimizes magnetic hysteresis and eddy currents when the unit is energized but idling, while the high-purity copper conductors keep resistive losses at absolute minimums during full-capacity 630kVA operation.
How does the step-down architecture in a three-phase oil distribution transformer protect terminal machinery?
The step-down architecture protects terminal machinery by converting volatile, high-amplitude 10KV grid power into a highly stable, regulated low-voltage output. The physical separation between the primary and secondary windings acts as a dampening barrier against grid-side voltage transients, while the three-phase distribution network balances the current load evenly across all lines, preventing harmful phase voltage imbalances from damaging downstream motors and automated equipment.
Mengapa Memilih Instrava
Dibangun di atas Konsistensi, Bukan Klaim
Berfokus pada Aplikasi Industri
Kami mengkhususkan diri dalam analisis dan deteksi industri, dengan pemahaman yang jelas tentang lingkungan dan persyaratan operasi dunia nyata.
Kriteria Pemilihan Produk yang Ketat
Setiap instrumen dievaluasi berdasarkan performa, stabilitas, dan kesesuaian aplikasi-bukan hanya spesifikasi atau harga.
Konsistensi Pasokan & Kualitas yang Dapat Diandalkan
Kami bekerja sama dengan produsen tepercaya untuk memastikan pasokan yang stabil, kualitas yang konsisten, dan pengiriman yang dapat diandalkan.
Dukungan Praktis dan Berbasis Pengalaman
Rekomendasi kami didasarkan pada pemahaman aplikasi, membantu pelanggan menghindari masalah umum dan mencapai hasil yang dapat diandalkan.
Instrava dibuat untuk mengurangi ketidakpastian-sehingga setiap keputusan yang Anda buat menjadi lebih jelas, aman, dan dapat diandalkan.
