30 KVA/10 KV Laminated Core Distribution Transformer
Capacity: 30 kVA
Delivery Year: 2024
Country: Peru
Application Scenario: Power supply for remote mountainous residential areas.
Advantage Description: Lightweight laminated core design (weighing only 120 kg) simplifies transportation and installation in rugged terrain; 30% improved short-circuit resistance ensures adaptability to harsh grid conditions.
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of 30 kva/10 kv laminated core distribution transformer in China. If you're going to buy customized 30 kva/10 kv laminated core distribution transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
Core Advantages
The core advantages of the Laminated Core Distribution Transformer stem from its laminated core technology:
Ultra-Low Eddy Current Loss: Uses 0.35 mm thick silicon steel sheets coated with insulating varnish to isolate eddy current paths, reducing core losses by over 25% compared to solid-core transformers, significantly improving energy efficiency.
High-Efficiency Power Transmission: Optimized magnetic circuit design ensures >97% conversion efficiency from high-voltage (10 kV) input to low-voltage (400 V) output, meeting industrial and residential distribution standards.
Durability & Reliability: Epoxy-bonded silicon steel sheets enhance shock and vibration resistance. Combined with anti-corrosion coatings, the transformer achieves a 15–20-year lifespan, outperforming standard distribution transformers.
Environmental Adaptability: Laminated structure minimizes thermal stress concentration, enabling stable operation in temperatures ranging from -30°C to +50°C, ideal for outdoor installations.
Cost Optimization: Lightweight design (40% lighter than solid-core transformers) reduces transportation and installation costs, while low-loss characteristics lower long-term energy expenses.
Products parameter
| 11KV Series On Load Tap Changer Oil Immersed Distribution Transformer Performance Parameters | |||||||||||||
| High Voltage:11(6,6.3,10.5,11)KV Connection Symbol:D,yn11 or Y,yn0 Rated Frequency:50Hz/60Hz Low Voltage:0.4(0.415,0.433)KV Tapping Range of HV:±4x2.5% Insulation Level:LI75 AC35/AC3 |
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| Rated power (KVA) |
Short-Circuit Impedance(%) | SZ18 (W) | SZ13 (W) | SZ11 (W) | No-Load Current (%) |
Sound pressure dB(A) |
Weight (kg) |
Overall Dimension(mm) | |||||
| No-Load Loss | On-Load Loss | No-Load Loss | On-Load Loss | No-Load Loss | On-Load Loss | L | W | H | |||||
| 200 | 4.0 | 300 | 2090 | 340 | 2320 | 380 | 2900 | 1.0 | 58 | 980 | 1700 | 830 | 1180 |
| 250 | 350 | 2460 | 395 | 2740 | 440 | 3420 | 0.9 | 58 | 1130 | 1700 | 880 | 1230 | |
| 315 | 420 | 2950 | 475 | 3280 | 530 | 4100 | 0.9 | 60 | 1300 | 1790 | 930 | 1290 | |
| 400 | 520 | 3560 | 580 | 3960 | 640 | 4950 | 0.8 | 60 | 1480 | 1870 | 930 | 1340 | |
| 500 | 610 | 4250 | 680 | 4715 | 760 | 5890 | 0.8 | 62 | 1710 | 1900 | 1010 | 1370 | |
| 630 | 4.5 | 780 | 5225 | 860 | 5810 | 960 | 7260 | 0.6 | 62 | 1950 | 2000 | 1070 | 1470 |
| 800 | 900 | 6400 | 1010 | 7110 | 1120 | 8890 | 0.6 | 64 | 2080 | 2100 | 1100 | 1720 | |
| 1000 | 1090 | 7490 | 1220 | 8320 | 1360 | 10400 | 0.6 | 64 | 2180 | 2300 | 1120 | 1750 | |
| 1250 | 1260 | 8860 | 1400 | 9840 | 1560 | 12300 | 0.5 | 67 | 3150 | 2430 | 1190 | 1980 | |
| 1600 | 1540 | 10580 | 1720 | 11760 | 1920 | 14700 | 0.5 | 67 | 4220 | 2620 | 1260 | 2080 | |
| 2000 | 5.0 | 1805 | 13400 | 2040 | 14880 | 2270 | 18600 | 0.4 | 69 | 4600 | 2720 | 1300 | 2110 |
| 2500 | 2140 | 15550 | 2410 | 17280 | 2680 | 21600 | 0.4 | 69 | 5500 | 2820 | 1360 | 2170 | |
| Note: The above parameters are only for designing and selecting reference, and the final parameters are subject to the actual product. | |||||||||||||
Working Principle of the Laminated Core Distribution Transformer
The Laminated Core Transformer operates based on electromagnetic induction:
Magnetic Circuit Formation: The laminated core comprises hundreds of 0.35 mm silicon steel layers, each insulated and bonded to form a closed magnetic circuit, optimizing flux concentration and path efficiency.
Current Conversion: The high-voltage winding (10 kV) generates an alternating magnetic field, inducing a proportional voltage (e.g., 400 V) in the low-voltage winding via flux transfer through the core.
Eddy Current Suppression: Insulation layers (e.g., oxide coatings) between silicon steel sheets block eddy current paths, allowing only vertical magnetic flux flow to minimize energy loss.
Heat Dissipation Optimization: Gaps between laminations create natural cooling channels, complemented by radiators to limit temperature rise to ≤65°C, ensuring stable long-term operation.
Voltage Matching: Adjusting the turns ratio between high- and low-voltage windings (e.g., 10 kV/400 V) precisely matches grid requirements, suitable for hierarchical power distribution scenarios.
detailed photos
Applicable Environments
The 30 kVA/10 kV Laminated Core Distribution Transformer is widely applicable in:
Industrial Settings:
Factory floors and production lines requiring stable power with low harmonic interference.
Urban Distribution:
Installed on poles or ground-mounted to deliver safe 400 V low-voltage power for residential and commercial areas.
Remote Areas:
Mountainous or island regions with weak grids, leveraging its short-circuit resistance and lightweight design to overcome transportation challenges and harsh climates.
Extreme Environments:
Salt mist resistance and dust protection (IP23 rating) suit coastal or dusty industrial zones, minimizing maintenance needs.
Emergency Power:
Paired with generators to provide temporary electricity for disaster relief or infrastructure projects.
Note: Compliant with IEC 60076 standards, supports outdoor wall or ground mounting. Requires 2 m × 1.5 m maintenance clearance.
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Why choose us?
GNEE strictly follows the comprehensive acceptance testing process to ensure that the performance of each device meets the standards. Our products and services have been successfully applied in more than 50 countries and regions around the world. As a trusted global industrial partner, we are always committed to helping customers achieve their sustainable development vision through high-quality products and full-process services.
Support
• Pre-sales: Free technical consulting, drawing review, and installation training.
• After-sales:
Global warranty for 2 years; 5-year warranty on core components.
7×24-hour remote support, fault response within <24 hours.
Operation manual provided.
SGS certification certificate
Production environment
Our factory
Packing and Delivery
FAQ
Q1: How to Choose Between Oil-Immersed, Dry-Type, or Amorphous Alloy Transformers Based on Needs?
A:Oil-immersed transformers (e.g., 30-2500 kVA/10 kV Oil-Immersed Three-Phase Dual-Winding):
Applicable scenarios: Large factories, substations, outdoor high-voltage power distribution.
Advantages: Excellent heat dissipation for high loads and high-temperature environments, but requires fire prevention and oil leakage precautions.
Dry-type transformers (e.g., Epoxy resin-cast type, Dry-Type Dual-Winding):
Applicable scenarios: Indoor installations (e.g., data centers, commercial buildings), environments with strict fire safety requirements.
Advantages: No insulation oil, pollution-free, low noise, but requires ventilation for heat dissipation.
Amorphous alloy transformers (e.g., Amorphous Alloy Dry-Type):
Applicable scenarios: Grid-end applications, rural power supply, energy-efficient systems.
Advantages: Reduces no-load loss by over 70%, higher efficiency than traditional transformers, ideal for long-term low-load operations.
Q2: Which Equipment is Suitable for Rectifier Transformers (30-3200 kVA Rectifier Type)?
A: Designed specifically for rectifier equipment, such as:
Electroplating lines, electrolytic cells.
Aluminum/copper electrolysis production.
DC motor drive systems.
Features: Three-phase input, adjustable DC voltage output. Note: Harmonic loads may impact transformer performance.
Q3: What are the Differences Between Prefabricated Substations (European Style) and Combined Transformers (Combined Type)?
A:Prefabricated Substations:
High integration: Includes transformers, low-voltage cabinets, and protection devices pre-installed in weatherproof/fire-resistant enclosures.
Applicable scenarios: Rapidly deployable outdoor power systems (e.g., temporary construction sites, remote areas).
Combined Transformers:
Functional integration: Typically combines transformers, metering devices, and protection equipment to simplify power distribution.
Applicable scenarios: Power distribution hubs for small/medium factories or commercial complexes.
Q4: What is the Voltage Adjustment Method for 30-2500 kVA Dual-Winding Non-Adjustable Voltage Transformers?
A:Non-adjustable type: Fixed output voltage set at factory (e.g., 10 kV input → 400 V output); no on-site adjustment.
Applicable scenarios: Stable voltage environments with minimal load fluctuations (e.g., fixed production lines).
For voltage adjustment, choose on-load tap-changing transformers (customizable).
Q5: What are the Temperature Resistance and Lifespan of Epoxy Resin-Cast Dry-Type Transformers?
A:Temperature resistance: Class F (155°C) or Class H (180°C), with overload capacity up to 1.5× rated power.
Lifespan: Over 20 years under normal operation, but requires regular inspections of winding insulation and cooling systems.
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