Wave Cast Dry Type Transformer

From General Electric (GE) to ABB and now GEIS (AEG) medium voltage dry type transformer. It is the same high quality dry type transformer. The partial discharge can be guaranteed not more then 10 pc. 

Here below is the technical information.

• Standard IEC, ANSI and NEMA
• Vacuum cast with epoxy resin compound both HV coil and LV coil
• Winding with copper or Aluminium strip/sheet for HV and LV winding 
• With ventilation fan and with AN/SF ratings
• Voltage from 400V to 36000V
• Power rating 315kVA upto 10MVA
• Off load Tap Changer +/- 2×2.5%
• 155 degree C class F insulation
• With Vibration isolation
• With PT100 sensor and temperature monitoring control
• Provide with Enclosure IP20, IP30 or IP23 or without enclosure
• Type test: C2 climate class, E2 environment class, F1 fire behavior grade, Short circuit capability, temperature rise test

Option

• NEMA 3R Outdoor Enclosure
• 185°C Class H Insulation System
• Forced cooling Fans for 140% capacity upgrade
• Temperature Monitor/Fan Controller with communication capability
• On-Load Tap Changer

Special Design

• Low loss 
• Special ambient temperature
• High overload capacity
• Special low sound level
• HV Wye Connection and LV Delta
• Special Paint Color

Routine Tests

• Resistance Measurement of all winding on rated  tap
• Turn Ratio Test on the rated voltage
• Polarity and Phase Relation Test
• No-Load Losses and Excitation Current Test
• Impedance Voltage and load losses at rated voltage
• Applied Potential Test
• Induced Potential Test
• Partial Discharge Test

Reference List in Thailand as below;