oil filled transformer, designed for cold regions, China manufacturer

How Oil filled transformers are Designed to Withstand Extreme Cold in China

Oil filled transformers are designed to withstand extreme cold temperatures in China due to the country’s harsh winter climate. These transformers are designed to operate in temperatures as low as -40°C, and are equipped with a variety of features to ensure their reliable operation in such extreme conditions. First, Oil filled transformers are designed with a high-grade insulation system that is able to withstand the cold temperatures. This insulation system is composed of a combination of materials, such as paper, mica, and polyester, which are designed to maintain their insulation properties even in extreme cold. Additionally, the insulation system is designed to be highly resistant to moisture, which is a common problem in cold climates. Second, Oil filled transformers are designed with a special type of oil that is able to remain fluid even in extremely cold temperatures. This oil is composed of a combination of mineral oils and synthetic oils, which are designed to remain fluid even at temperatures as low as -40°C. Additionally, the oil is designed to be highly resistant to oxidation, which helps to ensure the transformer’s long-term reliability.

Type	Rated capacity （KVA）	Voltage combination（KV）	No-load losses（W）	Load losses（W）	No-load current (%)	Short-circuit impedance (%)
S11-630	630	33,35/6.3,6.6,10.5,11	830	7870	1.10	6.5
S11-800	800	33,35/6.3,6.6,10.5,11	980	9410	1.00	6.5
S11-1000	1000	33,35/6.3,6.6,10.5,11	1150	11540	1.00	6.5
S11-1250	1250	33,35/6.3,6.6,10.5,11	1410	13940	0.90	6.5
S11-1600	1600	33,35/6.3,6.6,10.5,11	1700	16670	0.80	6.5
S11-2000	2000	33,35/6.3,6.6,10.5,11	2180	18380	0.70	6.5
S11-2500	2500	33,35/6.3,6.6,10.5,11	2560	19670	0.60	6.5
S11-3150	3150	33,35/6.3,6.6,10.5,11	3040	23090	0.56	7.0
S11-4000	4000	33,35/6.3,6.6,10.5,11	3620	27360	0.56	7.0
S11-5000	5000	33,35/6.3,6.6,10.5,11	4320	31380	0.48	7.0
S11-6300	6300	33,35/6.3,6.6,10.5,11	5250	35060	0.48	7.5
S11-8000	8000	33,35/6.3,6.6,10.5,11	7200	38500	0.42	7.5
S11-10000	10000	33,35/6.3,6.6,10.5,11	8700	45300	0.42	7.5
S11-12500	12500	33,35/6.3,6.6,10.5,11	10080	53900	0.40	8.0
S11-16000	16000	33,35/6.3,6.6,10.5,11	12160	65800	0.40	8.0
S11-20000	20000	33,35/6.3,6.6,10.5,11	14400	79500	0.40	8.0
S11-25000	25000	33,35/6.3,6.6,10.5,11	17020	94100	0.32	8.0
S11-31500	31500	33,35/6.3,6.6,10.5,11	20220	112900	0.32	8.0

Finally, Oil filled transformers are designed with a variety of other features that help to ensure their reliable operation in extreme cold temperatures. These features include special heaters that are designed to keep the transformer’s internal components warm, as well as special cooling systems that are designed to keep the transformer’s oil from freezing. Additionally, the transformers are designed with a variety of safety features, such as pressure relief valves and temperature sensors, which help to ensure the transformer’s safe operation in extreme cold. Overall, Oil filled transformers are designed to withstand extreme cold temperatures in China due to the country’s harsh winter climate. These transformers are equipped with a variety of features, such as a high-grade insulation system, special oil, and various safety features, which help to ensure their reliable operation in such extreme conditions.