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Step down transformer (underground use)

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Step down transformer (underground use)

Product Profile:
Product Applications

Water conservancy and hydropower engineering, chemical energy, rapid transit, photovoltaic inverter, etc.

Type and Meaning
图片7
00002-0-三相变压器7.3K-2
Technical Parameter
Capacity50VA~2500kVAWorking Efficiency≥95%
Rated Voltage<10kVTemperature Rise≤125K(H class)/<100K(F class)
Rated Frequency50~60HzImpedanceUpon customer request
Winding MaterialsCopper/AluminumConnection SectionDyn11 or upon customer request
Sound Level≤75dBIngress ProtectionUpon customer request
Insulation ClassF/H/A/BPackageWood Crate/ Cardboard Box
Leading Time7~30 working daysInsulation Resistance>100MΩ
Dielectric Withstanding Voltage : Upon customer request
Features

1. Damp-proof and waterproof, Low losses, strong overload capacity.

2. Maintenance free and easy installation, advanced technics and beautiful appearance.

3.High structural strength, perfect anti-short-circuitability, low level of sound.

Overall and Installation Dimensions

A) Altitude: Not exceeding 1000m, shall be derating used if above 1000m;

B) Ambient Temperature: -25℃~55℃.

C) Relative Humidity: ≤95%;

D) As to the installation site, to make sure no bad effect on transformer insulation, chemical deposition, dust, and other explosive or erosive medium.

E) The supply voltage approximates sinusoidal wave, and the three-phase voltage is relatively balanced.

图片8

Power Transformer Dimensions
Product TypeInsulation ClassCapacity(VA)Overall Dimensions(Max)Installation Dimensions(±2)Weight
WDHxyd
SG-50B501101001259055Φ6*121.8kg
SG-100B10012510013011052Φ5*92.9kg
SG-200B20015011615513070Φ5*95.8 kg
SG-300B30015011615513075Φ5*96.3 kg
SG-500B50019011617213085Φ6*99.0 kg
SG-750B750190130172130105Φ6*913.0 kg
SG-1KF1K240145230100101Φ6*916.0 kg
SG-2KF2K240170230100126Φ6*924.0 kg
SG-3KF3K265220260125135Φ6*935.0 kg
SG-4KF4K300210295160132Φ6*938.0 kg
SG-5KF5K330220310160143Φ10*1546.0 kg
SG-6KF6K330230310160153Φ10*1558.0 kg
SG-7KF7K360240360200156Φ10*1564.0 kg
SG-8KF8K360245360200161Φ10*1580.0 kg
SG-9KF9K360250360200166Φ10*1585.0 kg
SG-10KF10K360260360200171Φ10*15104 kg
SG-15KF15K360290370200201Φ10*15148 kg
SG-20KF20K420300410200208Φ12*18186 kg
SG-25KF25K620390480400175Φ14*30207 kg
SG-30KF30K635400500400180Φ14*30231 kg
SG-35KF35K480350440300180Φ13*20215 kg
SG-40KF40K500370420300190Φ13*20250 kg
SG-45KF45K520370470300190Φ13*20280 kg
SG-50KF50K530380520300200Φ13*20320 kg
SG-60KF60K590390610400215Φ13*20420 kg
SG-70KF70K640400570400220Φ13*20425 kg
SG-100KF100K690420650500230Φ13*20580 kg
SG-150KF150K720400720500265Φ13*20680 kg
SG-200KF200K760400720500280Φ13*20760 kg
SG-300KF300K820600880500350Φ13*201100 kg
SG-400KF400K880600960500500Φ13*201350 kg
SG-500KF500K970600990500500Φ13*201550 kg

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