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{"title":"Outdoor Copper Electrical Power Transformer 35KV Oil Immersed Three Phase IP54","imgUrl":"https:\/\/img.chinax.com\/nimg\/48\/27\/7f18451c4ad98e8c4baf91cac064-200x200-1\/outdoor_copper_electrical_power_transformer_35kv_oil_immersed_three_phase_ip54_level.jpg","attrs":{"Place of Origin":"China","Brand Name":"HENTG Power","Model Number":"S11","Price":""}}
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{"title":"35 KV Oil Immersed Three Phase Power Transformer 1000KVA 1600KVA for High","imgUrl":"https:\/\/img.chinax.com\/nimg\/67\/be\/8f699e493e1fb3b5770ba36f1483-200x200-1\/35_kv_oil_immersed_three_phase_power_transformer_1000kva_1600kva_for_high_ambient_temperature.jpg","attrs":{"Standards":"IEC, ANSI, GB","Powerrating":"Varies (e.g., 500 kVA - 10 MVA)","Productname":"35 KV Power Transformer","Color":"Gull grey or customizable"}}
{"title":"33KV 35KV High Voltage Electricity Power Distribution 2000kVA 3150kVA Step Down","imgUrl":"https:\/\/img.chinax.com\/nimg\/18\/d0\/27f677a2614b127a4e906fc9c105-200x200-1\/33kv_35kv_high_voltage_electricity_power_distribution_2000kva_3150kva_step_down_oil_immersed_electric_transformer.jpg","attrs":{"Brand Name":"HENTG Power","Certification":"CE","Place of Origin":"China","Minimum Order Quantity":"1"}}
Electrical Substation Power Transformer High Voltage 500KVA 35kV To 3.15kV/6.3kV/10.5kV
Product Specifications
Attribute
Value
Frequency
50Hz, 60Hz, 50/60Hz
Phase
Three
Application
Distribution system
Output Voltage
415V, 110V, 220V, 380V, 400V, 440V
Input Voltage
10.5kV, 3kV, 12.47kV, 6.6kV, 6.3kV, 6kV
Type
Oil-Immersed Transformer
Vector Group
Yd11/YNd11
Material
Aluminum, Copper
Cooling Method
ONAN ONAF OFAF
Primary voltage
35~38.5KV±5%
Product Overview
35kV series power transformers feature advanced design with significant improvements in material, structure, and manufacturing processes.
Key Advantages
Enhanced Reliability: Oil-immersed design offers high reliability in both normal and extreme conditions
Lower Carbon Footprint: Reduces energy losses for lower environmental impact
Cost-effective: Long lifespan and low maintenance costs ensure high return on investment
Global Support Network: Backed by worldwide network of technicians and service centers
Technical Data For 35KV Three-Phase Oil Immersed Transformer (630KVA~31500KVA)
Capacity (KVA)
HV (KV)
HV Tapping
LV (KV)
Vector Group
No-load Loss (W)
On-load Loss (W)
No-load Current (%)
Short Circuit Impedance (%)
630
35
±5%
3.15 6.3 10.5
Yd11
830
7870
1.1
6.5
800
980
9410
1
1000
1150
11540
1
1250
1410
13940
0.9
1600
1700
16670
0.8
2000
2180
18380
0.7
2500
2560
19670
0.6
3150
35~38.5
±5%
3.15 6.3 10.5
3040
23090
0.56
7
4000
3620
27360
0.56
5000
4320
31380
0.48
6300
5250
35060
0.48
7.5
8000
35~38.5
±2*2.5%
3.15 3.3 6.3 6.6 10.5 11
Ynd11
7200
38480
0.42
10000
8700
45320
0.42
12500
10080
53870
0.4
8
16000
12160
65840
0.4
20000
14400
79520
0.4
25000
17020
94050
0.32
31500
20220
112860
0.32
Our Production Process
Step 1: Inquiry & Design We respond within 1 hour with suitable transformer recommendations, quotations, and payment terms. Our professional drawing and technical teams will confirm all drawing contents with you within 7 days after payment, including technical data, weight, and parts list.
Step 2: Production & Quality Control After design approval, we prepare stock, produce, and conduct rigorous quality inspections before shipment. We provide QC reports and test reports, with raw materials strictly screened. Special accessory requirements can be accommodated.
Step 3: Installation & Support Our professional team provides installation guidance and on-site support. We offer more than 2 years warranty service, ensuring long-term reliability for your power systems.
Our Manufacturing Capabilities
100,000m² factory with 250 workers and 30+ engineers
4 production lines with 10,000+ sets annual capacity
100% OQC testing with 25 detection contents
15 years power transformer design and production experience
Compliance with GB 20052-2024/ANSI/IEEE/DOE2016/CSA/IEC60076 standards
Cross-industry power transformer solutions
Global on-site technical support
Key Features
Optimized for 35kV Medium Voltage Networks: Designed for industrial zones, rural power grids, and utility substations with efficient step-down transformation from 35kV to distribution levels.
Stable Three-Phase Power Supply: Delivers consistent voltage for heavy-duty equipment, ideal for industrial plants and large-scale energy consumers.
Efficient Oil-Immersed Cooling: Uses mineral/ester insulating oil for effective heat dissipation and dielectric insulation, enhancing lifespan.
Robust Construction: Built to withstand electrical, mechanical, and thermal stress in demanding environments with hermetic sealing.
Frequently Asked Questions
Q: Who are we?
HENTG POWER is a professional designer, manufacturer and installer of power system solutions worldwide, founded in 2011 with 100,000 square meter facility specializing in reliable, high-performance power systems.
Q: How can we guarantee quality?
We conduct pre-production samples, final inspections before shipment, and provide QC & test reports. We accept Factory Acceptance Tests (FAT) and manufacture oil/dry type transformers up to 500KV 480MVA, complying with international standards.
Q: Why choose us?
Our professional drawing and technical teams confirm drawings within 7 days, with 30+ senior engineers providing 24/7 support and 30-minute response times.
Q: What services can we provide?
We accept OEM orders with negotiated business payment terms, offering comprehensive power transformer solutions.
