Energy Saving Cast Resin 160kVA 10kV to 0.4kV Dry Type Distribution Transformer for Office Towers and Commercial Building Power Supply
उत्पाद सारांश
व्यावसायिक भवनों के लिए 160kVA ड्राई-टाइप ट्रांसफार्मर। अग्नि-सुरक्षित कास्ट रेज़िन निर्माण, ≤45dB शोर और ऊर्जा-कुशल डिज़ाइन की विशेषताएँ। फोर्स्ड कूलिंग के साथ 50% अधिभार क्षमता प्रदान करता है और शून्य नियमित रखरखाव की आवश्यकता होती है।
प्रमुख गुण
ब्रांड का नाम:
HENTG POWER
मॉडल नंबर:
एससीबी13-160-10
उत्पत्ति का स्थान:
चीन
प्रमाणन:
CE
एमओक्यू:
1
आपूर्ति की क्षमता:
5
डिलीवरी का समय:
35
भुगतान की शर्तें:
एल/सी, डी/ए, डी/पी, टी/टी, वेस्टर्न यूनियन
स्टैंडर्ड पैकेजिंग:
लकड़ी का केस
उत्पाद कस्टम विशेषताएँ
प्रोडक्ट का नाम:
सूखी प्रकार ट्रांसफार्मर
प्रकार:
सूखी प्रकार
आवृत्ति:
50/60हर्ट्ज़
रेटेड क्षमता:
160 केवीए
मॉडल नंबर:
10kva
उत्पत्ति का स्थान:
0.4 केवीए
न्यूनतम आदेश मात्रा:
Dyn11 / yyn0
मानक:
IEC60076
शीतलन का प्रकार:
एएन/एएफ
प्रतिबाधा वोल्टेज:
4%
उत्पाद वर्णन
Energy Saving Cast Resin 160kVA 10kV to 0.4kV Dry Type Distribution Transformer for Office Towers and Commercial Building Power Supply
Product Overview
This 160kVA cast resin dry type distribution transformer is engineered to deliver safe, highly efficient, and quiet power step-down from 10kV to 0.4kV directly at the load center. Built with a vacuum-poured epoxy resin encapsulated winding under strict manufacturing processes, it eliminates fire and explosion hazards while achieving exceptionally low no-load and load losses. Designed for the demanding indoor environments of office towers, large shopping malls, and high-rise residential complexes, this dry type transformer ensures continuous, low-noise operation with virtually zero maintenance, making it the ideal distribution solution for modern commercial infrastructure.
Key Advantages
Outstanding Energy Efficiency
The core is constructed with high-permeability, grain-oriented silicon steel and a multi-step lapping design, drastically reducing no-load losses to levels meeting and exceeding Grade 2 efficiency standards. This minimizes operational electricity waste and total cost of ownership.
Superior Fire Safety
Insulation uses a fiberglass-reinforced epoxy resin compound under vacuum casting. It is flame-retardant and self-extinguishing, generating no toxic fumes. Without insulating oil, it requires no fire-rated vaults or oil containment pits, ensuring absolute safety in occupied buildings.
Ultra-Low Noise Operation
Optimized core flux density, advanced multi-point decoupling between the core and coils, and vibration-damping pads keep acoustic noise well below 45 dB(A). This disruption-free performance is critical for office environments, residential units, and retail spaces.
Zero Routine Maintenance
The sealed cast resin coils block moisture and contaminants, removing the need for periodic oil sampling or filtration. Maintenance is limited to infrequent basic cleaning and bolt torque checks, significantly lowering lifetime service expenses.
Adaptable Overload Capacity
Equipped with coordinated forced air cooling and an intelligent temperature control system, this unit reliably handles temporary peak loads. Under AF (fan-cooled) operation, it can deliver up to 50% more capacity without compromising the safe temperature rise limits of its Class F or H insulation.
Technical Specifications
| Standards Compliance | IEC 60076-11, GB/T 10228 |
|---|---|
| Rated Capacity | 160 kVA |
| High Voltage | 10 kV |
| Low Voltage | 0.4 kV |
| Tapping Range | ±2×2.5% (off-circuit tap changer) |
| Vector Group | Dyn11 (provides neutral stabilization and filters third-harmonics) |
| Frequency | 50 Hz / 60 Hz |
| Cooling Method | AN (Natural Air) / AF (Forced Air) |
| Insulation Class / Temp. Rise | F (155°C) / 100K, or H (180°C) / 125K |
| Partial Discharge Level | < 10 pC |
| Impedance Voltage | 4% (typical at 75°C) |
| Noise Level (AN) | ≤ 45 dB(A) at 1 meter |
| Winding Material | High-grade copper (HV enameled wire, LV foil), fully vacuum cast with epoxy resin |
| Enclosure Protection | IP00 for open stand, or optional IP20/IP23 indoor ventilated enclosure with cable entry plates |
| Monitoring System | Microprocessor-based temperature controller with embedded Pt100 sensors, auto fan start/stop, alarm, and trip contacts |
Scenario-Based Solutions for Load Centers
Installation Space Constraints and Fire Regulations
Design Measure: The transformer's compact footprint and dry-type construction allow it to be placed directly inside a dedicated electrical room, substation within the basement, or even an intermediate mechanical floor. The total absence of insulating oil eradicates fire load, meaning no complex fire suppression sprinkler systems or expensive liquid-confining vaults are required.
Technical Highlight: Flame-retardant cast resin and Class F/H insulation ensure the unit is truly fire-safe and does not propagate flame.
High Sensitivity to Acoustic Discomfort
Design Measure: We utilize high-grade silicon steel with low magnetostriction and engineering-grade structural dampers. The core-clamping system and coil supports are designed to eliminate resonance, ensuring the dry type distribution transformer operates with minimal magnetostrictive hum.
Technical Highlight: Sound pressure levels consistently measure below 45 dB(A), making it indistinguishable from ambient building noise in offices and corridors.
Fluctuating Loads and Harmonic Currents
Design Measure: The Dyn11 winding configuration is standard. The delta-connected primary cancels zero-sequence flux from unbalanced loads, while the star-connected secondary has a grounded neutral conductor, safely handling mixed single-phase and three-phase demands, including harmonics from computers, LED lighting, and VSD-driven HVAC systems.
Technical Highlight: The cast resin coil has a high thermal time constant, absorbing high inrush currents during elevator starts or peak mall hours without triggering a premature temperature warning.
Humid and Dusty Underground Environments
Design Measure: The entire high-voltage coil is encapsulated in a solid, homogeneous mass of hydrophobic epoxy resin from the vacuum casting process. This impervious barrier makes it inherently moisture-resistant. Optional anti-condensation heaters inside an IP23 enclosure keep the internal temperature just above dew point.
Technical Highlight: Even when out of service in a humid basement, there is no risk of moisture absorption into the insulation system, allowing immediate re-energization.
Frequently Asked Questions
Is this dry type transformer safe to install on an occupied floor or inside a building's basement?
Absolutely. The absence of insulating oil means no risk of leakage, fire, or explosion. The cast resin insulation is flame retardant and self-extinguishing, so it complies with the strictest fire codes for installation inside high-rise commercial and residential structures without requiring a special fire-rated vault.
How does the 160kVA transformer handle the high harmonic distortion common in modern offices with lots of electronics?
Our standard Dyn11 vector group has a delta-connected primary winding. This is a highly effective filter for zero-sequence harmonic currents (like the 3rd harmonic), circulating them internally rather than sending them back to the upstream network. This neutralizes voltage flat-topping and overheating issues often seen in Yyn0 connected units.
What is the actual noise level, and will it disturb building occupants?
The sound pressure level for this 160kVA unit is guaranteed to be ≤ 45 dB(A) under natural cooling. To put that in context, it is quieter than a standard conversation and comparable to a quiet library. When installed in a dedicated electrical closet with standard doors, the sound is inaudible to adjacent office staff or residents.
What kind of routine maintenance does an EPC or facility manager need to schedule for this unit?
Effectively none. Unlike liquid-filled transformers, there is no oil to sample, filter, or replace. The cast resin coil blocks dust and moisture. Annual upkeep is limited to a visual inspection, checking bolt torque, and cleaning ventilation grilles and fan filters. The intelligent temperature controller constantly monitors winding temperature and logs data, alerting you if attention is needed.
Can this transformer supply peak cooling demand in a commercial building without tripping?
Yes. When the ambient temperature rises or an overload occurs, the temperature controller automatically activates forced air cooling fans. With the fans running, the continuous power capability increases by up to 50%, allowing the 160kVA unit to handle short-duration summer peaks or emergency overloads while staying well within temperature rise limits.
What can you provide to simplify integration into our project's switchgear lineup?
We supply detailed GA and civil works drawings, transient analysis reports, and sequence coordination data early in the project. The transformer can be delivered as an open unit for integration into your switchgear, complete with IP20/IP23 enclosures, and with pre-configured fan and signal terminal boxes, making commissioning a plug-and-play process for the EPC contractor.
Get in Touch
Contact our application engineers today to obtain a comprehensive technical datasheet and a custom quotation for your upcoming high-rise or commercial infrastructure project.
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