S11-33KV single phase pole-mounted distrbution transformer

S11 series 33KV class OLTC power transformer

S11 series 33KV class On-load voltage regulation is a voltage regulation method by which a transformer can change the voltage by charging the tap gear when operation under load . Power electronic component switches have the advantages of frequent switching ,no spark and long service life , so they can be used as on-load type -charger for distribution transformers .

Features

1. Meet the standards of ANSI ,IEC, GB,SANS

2. Safe Handling , installation and operation

3. Attractive , modern appearance

4. Reasonable structure

5. Full sealed

6. Higher system reliability

7. High security and reliability in operation

8. High capacity of overload and efficiency

9. Robust construction having excellent short circuit and thermal withstand capability

10. Transformers are more efficient by reduced no load loss and reduced load loss .

Standards

GB1094.1-2013 , GB1094.2-2013,GB1094.3-2013,GB1094.5-2008, GB/T6451-2008, GB/T1094.10-2003, JB/T10088-2004, IEC60076, SANS 780 STANDARDS

Normal service conditions

1. The height above the sea level is below 1000m

2. Ambient temperature

3. Highest air temperature : +40℃ 

4. Highest daily average air temperature +30℃

5. Highest annual average air temperature 20℃

6. Lowest outdoor air temperature -25℃