Product advantages
Leading technology
- Unique winding technology to improve lightning resistance
- Small magnetic leakage, high mechanical strength, strong short circuit resistance
- Iron core 45° full oblique joint step laminated structure
The shell
- Mitsubishi laser cutting machine and CNC punching, reducing, folding and other equipment to ensure the accuracy of processing
- ABB robot automatic welding, laser detection, to avoid leakage, qualified rate of 99.99998%
- Electrostatic spray treatment, 50 years of paint (coating corrosion resistance within 100h, hardness ≥0.4)
- Cylindrical fully sealed construction with self-sealing manual pressure relief valve (according to ANSI specification)
- Standard NEMA hanger bracket (each device includes pole support bracket plate)
- Fully sealed structure, maintenance-free, normal operation life of more than 30 years
The iron core
- The core material is high quality cold rolled grain oriented silicon steel sheet with mineral oxide insulation (from Baosteel, Wisco, China)
- Minimize loss level, no-load current and noise by controlling the cutting and stacking process of silicon steel sheet
winding
- Low voltage windings are made of high quality cable paper wrapped wire,
- High voltage windings are made of high quality polyurethane enamelled round copper wire
- Interlayer insulation using dot adhesive paper, so that the coil bonding into a fixed unit, with excellent insulation resistance
- Transformer structure is reliable during normal operation and transportation
High quality material
- Baosteel, Wisco production of silicon steel sheet
- High quality anaerobic copper from China
- CNPC (Kunlun Petroleum) High quality transformer oil (25#)
other
- High strength polymer low pressure casing or high and low pressure porcelain casing
- Equipped with ring type full copper tinned terminal
- Install limited current fuses and arresters
Product parameters
- Input voltage: 13.8kV 34.5kv
- Output voltage: 0.4kv 0.416 kv 0.420kv 0.440kv 0.480kv
- Capacity: 30-167 kva
- Frequency: 50/60 HZ
- Remark: voltage, capacity, frequency, connection group and loss can be customized according to customer requirements
Ordering instructions
- Main parameters of transformer (voltage, capacity, loss and other main parameters)
- Transformer operating environment (altitude, temperature, humidity, location, etc.)
- Other customization requirements (tap switch, color, oil pillow, etc.)
- The minimum order quantity is 1 sets, shipping within 7 days
- Normal delivery period of 30 days, worldwide fast delivery
