Detailed Product Description

*AUX Cast-resin transformers are normally
available with specification as follows.
Rated Voltage:
HV coil: Up to 35KV
LV coil: As per requested
*AUX Cast-resin transformers with multiple
high voltage connections can also be
supplied.
Tap Range:
Standard: 2.5%, 5%
* Other ratings are available by arrangement.
Power Capacity:
Single phase. 20 - 3000 KVA
Three phase: 30 - 10000 KVA
Frequency: 50Hz, 60Hz
Typical % impedance voltage: 4-8%
Connections:
HV coil: Delta or Star

* Other connections are available to meet
requirements.
Temperature ratings:
(According to IEC Standard)
HV coil: Class F, H
LV coil: Class F, H
Max. ambient temperature: 40
Temperature rise limitation: 150K
Tolerance:
(According to IEC Standard)
Total losses: +10%
Component losses: +15%
(No-load and load losses)
No-load current: +30%
Impedance voltage: 10%
(At rated current)
Voltage ratio: 0.5% or 1/10 of measured
impedance voltage at rated curre
LV coil: Wye with neutral point