PRODUCT
Three dimensional triangular coil iron core transformer
Oil‑immersed Triangular Stereo Transformer S13‑M.Tri Full Technical Parameters (Standard Version)
1. General Data
– Type: Oil‑immersed, fully sealed, S13 energy‑saving triangular stereo type – Phase: 3‑phase
– Frequency: 50 Hz – Rated Voltage (HV): 10 kV, 11 kV
– Rated Voltage (LV): 0.4 kV (400/230 V) – Connection Group: Dyn11 (standard)
– Cooling Method: ONAN (Oil Natural Air Natural) – Insulation Class: A
– Service Conditions: Indoor / Outdoor – Core Structure: Triangular three‑dimensional wound core
2. Rated Capacity Range
100, 200, 315, 400, 500, 630, 800, 1000, 1250, 1600, 2000 kVA
3. Voltage & Taps
– HV Tap Changer: Off‑circuit tap changer (no‑load) – Tap Range: ±2×2.5%
– Voltage Regulation Accuracy: ±0.5%
4. Losses (S13 Triangular Core Standard)
– 100 kVA: No‑load Loss 110 W, Load Loss 1500 W, No‑load Current 0.60%
– 200 kVA: No‑load Loss 185 W, Load Loss 2470 W, No‑load Current 0.55%
– 315 kVA: No‑load Loss 305 W, Load Loss 4085 W, No‑load Current 0.50%
– 400 kVA: No‑load Loss 320 W, Load Loss 4560 W, No‑load Current 0.45%
– 500 kVA: No‑load Loss 435 W, Load Loss 5795 W, No‑load Current 0.45%
– 630 kVA: No‑load Loss 485 W, Load Loss 5890 W, No‑load Current 0.40%
– 800 kVA: No‑load Loss 570 W, Load Loss 7125 W, No‑load Current 0.40%
– 1000 kVA: No‑load Loss 680 W, Load Loss 9785 W, No‑load Current 0.35%
– 1250 kVA: No‑load Loss 830 W, Load Loss 11400 W, No‑load Current 0.35%
– 1600 kVA: No‑load Loss 1020 W, Load Loss 13775 W, No‑load Current 0.30%
– 2000 kVA: No‑load Loss 1155 W, Load Loss 17385 W, No‑load Current 0.30%
5. Impedance Voltage
– ≤ 630 kVA: 4.0% – ≥ 800 kVA: 4.5%
6. Insulation Level
– HV: LI75AC35 (for 10 kV class)
– LV: ≤ 2 kV
7. Temperature Rise
– Winding: 65 K – Top Oil: 55 K
– Ambient Temperature: -25°C ~ +40°C
8. Oil Tank & Structure
– Tank Material: Steel plate, welded, corrosion‑resistant – Oil Type: Transformer oil 25#
– Sealing Type: Fully sealed structure – Corrosion Protection: Sandblasting + epoxy primer + topcoat
– Tank Shape: Triangular stereo structure, smaller footprint, lighter weight
9. Accessories (Standard)
– Oil level indicator – Pressure relief valve
– Thermometer pocket – Earthing bolt
– HV / LV bushing – Lifting lugs
– Nameplate
10. Standards Compliance
– IEC 60076
– GB/T 1094
– GB/T 6451‑2023
– GB 20052‑2024 (Energy efficiency Level 2)
– GB/T 32826‑2016 (Triangular stereo transformer)
11. Protection Class
– IP00 (open type)
– IP20 (with enclosure, optional)
Application scope:
Urban and rural power grid renovation and distribution systems, new energy generation projects, industrial production, precision manufacturing, chemical industry, metallurgy, hospitals, data centers, rail transit.
Application Scope of Triangular Stereo Transformer
Triangular Stereo Transformer (typified by S13-M.Tri series) is widely used in various fields due to its high efficiency, energy saving, compact size, low noise, and low no-load loss. Combined with the fully sealed oil-immersed structure, it is suitable for stable power supply, limited installation space, and high energy-saving requirements.
1. Industrial Applications
– Small and medium-sized factories and workshops: Provides stable 380V/220V power for machinery, textiles, food processing, electronics assembly, and other production lines.
– Industrial park power distribution: Used as a distribution transformer for centralized power supply in industrial zones, reducing energy loss and improving power supply efficiency.
– Mining and metallurgy auxiliary power supply: Applied to auxiliary systems such as ventilation, lighting, and control circuits, adapting to harsh industrial environments.
2. Civil & Commercial Buildings
– Residential quarters and apartments: Core power supply equipment for community distribution rooms, with low noise and compact structure.
– Commercial complexes, shopping malls, hotels, and office buildings: Suitable for high-rise and underground distribution rooms with limited space.
– Schools, hospitals, and government buildings: Ensures stable, quiet, and reliable power for public facilities.
3. Municipal & Infrastructure
– Urban and rural power grid reconstruction: Meets national energy efficiency standards, ideal for grid upgrading and loss reduction.
– Street lighting, underground pipe corridors, and urban infrastructure: Adaptable to narrow installation spaces.
– New rural power supply and township power grids: Improves power quality and reduces operating costs.
4. New Energy & Special Projects
– Solar photovoltaic and wind power generation systems: Used for grid-connected voltage matching and energy transmission.
– Data centers, communication base stations: Requires high stability, low loss, and high reliability.
– Construction sites, temporary power supply, and emergency power supply: With strong environmental adaptability.
5. Transportation & Other Fields
– Highways, tunnels, and charging stations: Provides stable power for lighting and electromechanical equipment.
– New energy vehicle charging stations: Suitable for centralized power distribution of charging piles.
– Petroleum, chemical, and petrochemical auxiliary power systems: Applied in places with high requirements for safety and stability.
