three-phase-dry-type transformers
Three phase dry type transformer is an electrical equipment that switches voltage between windings by use of electromagnetic induction.This product adopts excellent material and designs properly, featuring in stable and sound performance, long lifetime, high cost-effectiveness. It could work continuously for a long time, thus is widely used in industrial areas.
Model:
SG-15KVA
Type:
Dry-type transformer
Number of phases:
three phases
Winding structure and number of groups:
cylindrical three-winding
Winding material:
non-oxidized full red copper
Core form:
EI type
Connection method:
YYN0
Rated Capacity:
Output voltage accuracy:
¡À1%
Voltage variation rate:
¡Ü1.5%
Output waveform distortion:
no distortion (compared with input waveform)
Insulation class:
H class (insulation temperature resistance 180)
Work efficiency:
¡Ý98%
Applicable frequency:
50/60Hz
Protection level:
IP30
Overload capacity:
allow more than 1.2 times the rated load to work for 2 hours
Noise:
less than or equal to 50 decibels
Temperature rise:
less than 50¡æ (at working temperature is -10~+45¡æ)
Insulation resistance:
¡Ý150M¦¸
Insulation withstand voltage test:
primary and secondary withstand voltage 3KVA for 1 minute without breakdown