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Low Voltage (1kV) Medium Voltage (10kV) Marine Transformer

CEEG marine transformer has two cooling ways: self-cooled (AN) and fan-cooled (AF). We also provide the AFWF transformer, 12-pulse and 24-pulse rectifier transformers, and other models. They can be used as vessel/ship transformers or offshore platform transformers and are extensively used for power supply, lighting, isolation, propulsion, and rectification in power grids.

Availability:
Quantity:

Insulation classes include B, F, and H. The capacity of the low-voltage transformer (voltage level below 1kV) is up to 8000kVA; the capacity of the medium-voltage vessel/ship-used and offshore platform transformer (voltage level below 10kV)) is up to 8000kVA. We can design and produce products catering to specific requirements and provide product certificates from multiple classification societies including CCS, ABS, BV, DNVGL, LR, KR, NK, RINA, etc.



Product Features

  • Moisture, Salt Spray, Mold, and Rust Resistance: The surface of the iron core is coated with a special resin.


  • Low Losses, Minimal Partial Discharge, Strong Overload Capacity, and Low Noise: The iron core material is 0.18-0.3mm thickness highly permeable, high-quality grain orientation cold-rolled silicon steel sheets which can reduce loss. A through-bolt structure is utilized to reduce noise significantly.


  • Special Technique Improves Performance: Coils are dipped multiple times in varnish, and electrical and mechanical connections use special processes.


  • Seismic Resistance: The silicon steel core uses a 45° fully oblique step joint and square tube draw plate structure. The core limb is bound with insulating tape, making it earthquake-resistant, flame-retardant, and highly insulated.


  • Easy Installation: The cabinet features a modular design for convenient and quick installation.


  • Customization: Tailor-made to meet specific needs, flexible design, and quick response.


  • A stuffing box for cable entry and exit is provided on the transformer's enclosure. The stuffing box is located on the left or right side. For transformers with capacities of 500kVA and above, the cable entry and exit method is generally bottom entry and bottom exit, with cable holes provided on the transformer base for cable scratch-proof and secure cables.

 


Operating Environment 

Ambient temperature: -25°C to 45°C

Relative humidity ≤ 95%

Ship swinging angle ≤ 22.5°, tilt angle ≤ 15°

Conditions include condensation, oil mist, salt spray, and mould

Vibrations and impacts caused by transformers

 


Our Clients

China Shipbuilding Industry Corporation No.704, 704, 711, 712, and 719 Research Institutes

ABB (China) Co., Ltd.

Zhuzhou Converter National Research Center

Naval University of Engineering

China National Offshore Oil Corporation (CNOOC) Shenzhen Branch

......



Certificates 

GL & ABS

CCS&DNV&NK

BV&LR

 


Product Parameter

CSD Series Low Voltage Marine transformers (1kV)

Model

Rated Capacity (KVA)

No-Load Loss (W)

No-Load Current (%)

Load Loss (W 75℃)

Load Loss (%)

CSD-300

300

1350

1.8

3900

4.0

CSD-400

400

1450

1.8

4800

4.0

CSD-500

500

1650

1.7

6210

4.0

CSD-630

630

1800

1.6

6700

4.0

CSD-800

800

1900

1.6

7240

4.5

CSD-1000

1000

2210

1.4

8530

6.0

CSD-1250

1250

2500

1.3

13800

4.5

CSD-1600

1600

2600

1.2

18000

4.5

CSD-2000

2000

2900

1.1

22000

6.0

Primary side rated voltage (V): 50Hz--400, 380 or others; 60Hz--450, 440 or others
Secondary side rated voltage (V): 50Hz--400, 230, 115or others; 60Hz--450, 115 or others
Connection Section: Dd0, Dy11, Dyn11, Yd11, Yyn0 or others

 

CSCD Series Medium Voltage Marine Transformers (10kV)

Model

Rated Capacity (KVA)

No-Load Loss (W)

Load Loss (W 75℃)

No-Load Current (%)

Load Loss (%)

CSCD-315/10

315

110

4080

1.8

4

CSCD-400/10

400

1220

4690

1.8

4

CSCD-500/10

500

1450

5740

1.8

4

CSCD-630/10

630

1620

7010

1.6

6

CSCD-800/10

800

1900

8180

1.6

6

CSCD-1000/10

1000

2210

9560

1.4

6

CSCD-1250/10

1250

2610

11400

1.4

6

CSCD-1600/10

1600

3060

13800

1.4

6

CSCD-2000/10

2000

4150

17000

1.2

6

CSCD-2500/10

2500

5000

20200

1.2

6

CSCD-3150/10

3150

5400

24000

1

6

CSCD-3500/10

3500

5800

28000

1

7.5

CSCD-4000/10

4000

6500

34000

0.8

8

CSCD-5000/10

5000

7800

42000

0.8

8

CSCD-6300/10

6300

8960

47000

0.6

8

CSCD-8000/10

8000

10220

53000

0.6

9

Primary rated voltage (kV): 11, 10.5, 10, 6.6, 6.3, 6, 3.3, 3 or others
Secondary rated voltage (kV): 0.45, 0.4 or others
Tapping Range: ±2 x 2.5%, ±5%
Connection Section: Dyn11 or others

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