ZGS-Z-3500 PAD MOUNTED TRANSFORMER
3 week ago
| Rating | 3750 KVA |
| No. of Phases | 3 |
| Winding Configuration | Delta – Wye / Wye – Wye/ Delta – Delta/ Wye – Delta |
| Vector Group | As per requirement |
| Tapping Range | ±2 x 2.5%/As per requirement |
| Winding Material | Copper / Aluminum |
| Core Material | Grain Oriented Silicon Steel Sheet |
| Impedance | 3-5.75 % |
| Oil Temperature Rise | 55 °C |
| Winding Temperature Rise | 65 °C |
| Tap Changer | Off-Load Tap Changer |
| IEEE Standards | IEEE C57.12.00 |
| Certification | UL Listed |
| Efficiency | DOE 2016 |
According to Standard：
1.ANSI/IEEE C57.12.00 IEEE Standard for General Requirements for Liquid-Immersed Distribution, Power, and Regulating Tç
2.ANSI/IEEE C57.12.90 IEEE Standard Test Code for Liquid-Immersed Distribution, Power, and Regulating Transformers
2.IEC 60076 Power Transformers
3.AS NZS 60076 Power Transformers
4.CSA C227.4 Three Phase Pad Mounted Distribution Transformers
6.GOST R 52719 Power Transformers Liquid-Immersed Distribution, Power, and Regulating Transformers– General Specifications
Routine tests of transformer include:
1.Winding resistance test of transformer
2.Transformer ratio test
3.Transformer vector group test
4.Measurement of impedance voltage/short circuit impedance (principal tap) and load loss (Short circuit test)
5.Measurement of no-load loss and current (Open circuit test)
6.Measurement of insulation resistance
7.Dielectric tests of transformer.
8.Tests on on-load tap-changer.
9.Oil pressure test on transformer to check against leakages past joints and gaskets
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