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SRN (High Temperature Resistant) Series Oil-Immersed Power Transformers 10kV 35kV 110kV
SRN (High Temperature Resistant) Series Oil-Immersed Power Transformers 10kV 35kV 110kV
SRN (High Temperature Resistant) Series Oil-Immersed Power Transformers 10kV 35kV 110kV
SRN (High Temperature Resistant) Series Oil-Immersed Power Transformers 10kV 35kV 110kV
SRN (High Temperature Resistant) Series Oil-Immersed Power Transformers 10kV 35kV 110kV
SRN (High Temperature Resistant) Series Oil-Immersed Power Transformers 10kV 35kV 110kV

CEEG SRN Series (High Temperature Resistant) Oil-Immersed Power Transformers 10kV 35kV 110kV

Brand: CEEG
Model: SRN Series
High Voltage: 10kV-121kV
Low Voltage: 0.4kV-38.5kV
Rated Capacity: 315kVA-90000kVA
Vector Group: Yyno, Yd11, YNd11, YNyn0, d11
Service: Customized Service
Nature of Business: Manufacturer
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performance features-khpu.png SRN series transformer.jpgHigh-Temperature Resistance: High-temperature resistant products can operate at 100% full load under an ambient temperature of 40°C, while traditional oil-immersed transformers can only operate at 81% load under the same ambient temperature, posing a risk of high-temperature tripping. High temperature-resistant liquid-filled transformers can operate at full load under high-temperature conditions, ensuring the safety and reliability of power supply in industries where ambient temperatures are high in summer and long-term high-load operation is required.

Low Maintenance Cost: Conventional oil-immersed transformers generally use mineral oil, requiring oil testing and filtration every two to three years. However, high-temperature resistant liquid has superior oxidation resistance and a slower aging rate and requires testing only once every ten years. The coils are insulated with unique NOMEX® insulation paper, providing more stable mechanical and electrical performance under high temperatures. NOMEX® insulation material has a long lifespan at higher temperatures.

Energy-saving and Environmental Protection: After the service life of high-temperature resistant transformers, materials are recycled and reused, meeting the requirements of sustainable development and environmental protection. NOMEX insulation paper can biodegrade after its service life, and the high temperature-resistant oil operates at a much lower temperature than its temperature resistance level, making it recyclable after treatment. The treated waste can be decomposed by soil microorganisms without toxicity, thus avoiding long-term accumulation and environmental pollution.

Safety and Reliability: For specific customers in industries such as cement, steel, coal, and papermaking, high-temperature-resistant products are designed considering the fluctuation and instability of their loads. The insulation system of the product will not be damaged under such conditions, ensuring safe and reliable long-term operation.

Parameters Table-mrqt.pngSRN Series Oil-Immersed Power Transformer.jpg

SRN-315~75000/35 High-Temperature Resistant Unexcited Voltage Regulating Power Transformers

Item

Voltage Ratio

Vector Group

No-Load Loss
(KW)

Load Loss
(KW) 75℃

No-Load Current
(%)

Short Circuit Impedance
(%)

Rated Capacity
(KVA)

High Voltage
(KV)

Low Voltage
(KV)

Tapping Range

315

35

38

±5%

0.4

Yyno

0.49

4.76

1.40

6.50

400

0.58

5.75

1.30

500

0.69

6.92

1.20

630

0.83

7.87

1.10

800

0.98

9.41

1.00

1000

1.15

11.54

1.00

1250

1.41

13.94

0.90

1600

1.70

16.67

0.80

800

3.15
3.3
6.3
6.6
10.5
11

Yd11

0.98

9.41

1.00

1000

1.15

11.54

1.00

1250

1.41

13.94

0.90

1600

1.70

16.67

0.80

2000

2.18

18.38

0.70

2500

2.56

19.67

0.60

3150

±5%

±2 *2.5%

3.04

23.09

0.56

7.00

4000

3.62

27.36

0.56

5000

4.32

31.38

0.48

6300

5.25

35.06

0.48

7.50

8000

YNd11

7.20

38.48

0.42

10000

8.70

45.32

0.42

12500

10.08

53.87

0.40

8.00

16000

12.16

65.84

0.40

20000

14.40

79.52

0.40

25000

17.02

94.05

0.32

31500

20.22

112.86

0.32

40000

25.90

150.00

0.28

50000

29.40

210.00

0.28

8.00
10.50

63000

31.20

250.00

0.20

75000

33.40

300.00

0.20

SRN-2000~40000/35 High-temperature Resistant On-load Voltage Regulating Power Transformers

Item

Voltage Ratio

Vector Group

No-Load Loss
(KW)

Load Loss
(KW) 75℃

No-Load Current
(%)

Short Circuit Impedance
(%)

Rated Capacity
(KVA)

High Voltage
(KV)

Low Voltage
(KV)

Tapping Range

2000

35

38

±3*2.5%

3.15
3.3
6.3
6.6
10.5
11

Yd11

2.30

19.27

0.80

6.5

2500

2.72

20.64

0.80

3150

3.23

24.71

0.72

7

4000

3.87

29.16

0.72

5000

4.64

34.20

0.68

6300

5.63

36.77

0.68

7.5

8000

YNd11

7.87

40.61

0.60

10000

9.28

48.05

0.60

8

12500

10.94

56.86

0.56

16000

13.17

70.32

0.54

20000

15.57

82.78

0.54

25000

17.80

98.80

0.45

31500

21.30

121.90

0.40

40000

26.20

157.50

0.35

S(F)RN-110KV 6300~90000KVA Dual-winding Unexcited Voltage Regulating Power Transformers

Item

Voltage Ratio

Vector Group

No-Load Loss
(KW)

Load Loss
(KW) 75℃

No-Load Current
(%)

Short Circuit Impedance
(%)

Rated Capacity
(KVA)

High Voltage
(KV)

Low Voltage
(KV)

Tapping Range

6300

110

121

±2*2.5

6.3
6.6
10.5
11

YNd11

6.9

34.9

0.51

10.5

8000

8.4

42.5

0.47

10000

9.9

50.2

0.43

12500

11.7

59.5

0.38

16000

14.1

73.1

0.35

20000

16.5

88.4

0.32

25000

19.5

104.6

0.3

31500

23.1

125.8

0.28

40000

27.6

147.9

0.25

50000

33

183.6

0.22

63000

39

221

0.2

90000

51

289

0.2

Note: maximum current tap is -5%

S(F)RNZ-110KV 6300~63000KVA Three Windings Unexcited Voltage Regulating Power Transformers

Item

Voltage Ratio

Vector Group

No-Load Loss
(KW)

Load Loss
(KW) 75℃

No-Load Current
(%)

Step-up

Rated Capacity
(KVA)

High Voltage
(KV)

Low Voltage
(KV)

Tapping Range

6300

110±8*1.25%

35

38.5

6.3
6.6
10.5
11

YNyn0

d11

9

45

0.62

High-Medium
10.5
High-Low
17-18
Medium-Low
6.5

8000

10.8

53.6

0.6

10000

12.8

62.9

0.57

12500

15.1

74

0.55

16000

18.2

90.1

0.51

20000

21.5

106.3

0.51

25000

25.4

125.8

0.46

31500

30.2

148.8

0.42

40000

36.1

178.5

0.36

50000

42.7

212.5

0.32

63000

50.8

255

0.26

do you want to be our agent.pngWelcome to the CEEG agent team! As a national high-tech enterprise specializing in researching, developing, and manufacturing amorphous alloy dry-type transformers, epoxy resin cast dry-type transformers, and explosion-proof electrical products, we sincerely invite you to collaborate with us to explore markets and create the future together.

By joining our agent team, you will enjoy the following advantages and support:

Quality Products: Our products are manufactured with internationally advanced technology and quality assurance, widely used in various industries, providing customers with stable and efficient solutions for power transmission.

Brand Support: As an agent of CEEG, you will receive strong brand support and marketing promotion from us, helping you establish a good reputation and position in the local market.

Technical Support: We will provide professional product training and technical support to distributors, helping you better understand product characteristics and application scenarios, and improve sales capabilities.

Generous Returns: We will provide agents with competitive pricing policies and sales commissions, sharing market achievements.

If you are interested in becoming an agent of CEEG, don't hesitate to contact our official number +86 18061639839, or email us at info@ceegelectric.com to obtain an agency agreement. We look forward to cooperating with you and jointly creating a bright future!

production ability.pngCEEG production ability 61.jpg1. Reliability of Insulation Technology

Our research spans from initial two-dimensional electric field simulations, three-dimensional electric field measurements, and impact characteristic measurements to later-stage theoretical analysis and simulated experiments on the main insulation, longitudinal insulation, end insulation, insulation of leads, and coil withstand voltage characteristics of transformers. Through years of verification using various methods, we ensure the reliability of transformer insulation.

2. Calculation of leakage magnetic field and reduction of stray loss

Dedicate specialized efforts to calculating and measuring transformer leakage magnetic fields. The research includes shielding structures for leakage magnetic fields, calculations for transformer dynamics and thermal stability, and improvements in transformer dynamic and thermal stability to guarantee accurate calculations and reduce stray losses, enhancing transformer dynamic stability.

3. Precise Analysis of Coil Temperature Fields

Collaborating with numerous domestic universities, we jointly developed programs for calculating coil temperature fields. These programs calculate loss distribution in coils, including resistive losses, eddy current losses in different directions, and circulating losses between parallel conductors, as well as flow field cooling conditions. This enables the accurate calculation of coil temperature distribution and hotspot temperature rises, allowing us to take measures to control hotspot temperature effectively rises that impact transformer lifespan.

4. Reducing Local Discharge in Transformers

Electric field strengths at various locations have undergone numerical analysis during the design phase and have been strictly controlled. Additionally, compliance with manufacturing quality, the reliability of processing methods, and the reasonableness of operating techniques effectively control local discharges in transformers.

CEEG is a professional transformer manufacturer!

certificates.pngCEEG certificates.jpg

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