Technical Instruction | ||
Particulars | Single Phase | Three Phase |
Type of transformer | Air cooled / Oil cooled for indoor application | |
Transformation Ratio | 1:1 | |
Primary Voltage | 230 V 1 PH (L-N) | 415 V 3 PH (L-L) |
Secondary Voltage | 230 V 1 PH (L-N) | 415 V 3 PH (L-L) |
Connection in 3-Phase | NA | Delta / Star |
Regulation | 2 – 4% for 100% change in current @ unity pf | |
Input frequency range | 47 to 53 Hz | |
Insulation Strength | Withstands 2500 V for 1 minute | |
DC Galvanic Isolation | > 100 Mega Ohms | |
CMNR | > 100 dB | |
Ratings | 0.5 kVA Onwards | 3 kVA – 500 kVA |