20kVA Dry Type Low-Voltage Isolation Electrical Transformer For Power Distribution Sg
PRODUCT INTRODUCTION: SG dry type low voltage isolation electrical transformers are special Products of WENLIDA, which are for the import and export products that satisfy all kinds of special voltage environment .They have the advantages for widely used loads and can bear the instant over load...
Description
PRODUCT INTRODUCTION:
SG dry type low voltage isolation electrical transformers are special Products of WENLIDA, which are for the import and export products that satisfy all kinds of special voltage environment .They have the advantages for widely used loads and can bear the instant over load and even work continuously for a long period.
TYPE DESCRIPTION:
MAIN TECHNICAL SPECIFICATION:
111111
| Working Frequency | 50/60HZ |
| Current without load | <4% |
| Withstand voltage strength | 2000V 1min without puncture |
| Test instrument | YZ1802 withstand voltage test instrument |
| Insulated grade | F(can design for your special requirement) |
| Insulated resistance | ≥2MΩ |
| Test instrument | ZC25B-4 MΩ meter (1000V) |
| Connection model | Y/Y0,△/Y0,auto-transformer(select one) |
| Coil allowable range of temperature | 80K (Real minus Environment) |
| Cooling mode | Naturally cool |
WORKING CONDITIONS:
○ Altitude no more than 1000m
○ Max.Temperature+45ºC
○ Max.Average temperature per day+35ºC
○ Max.Average temperature per year+25ºC
○ Min.Temperature-30ºC(applicable for out-door transformer)
○ Min.Temperature-5ºC(applicable for in-door transformer)
○ Relative humidity≤90%
○ Wave of power supply voltage approximately sino-wave
○ Multi-phase power supply should be approximately symmetric
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