Flexible design to meet the needs of different users
First-class product quality in ChinaThe first-class R & D team in the industry ensures that the performance indicators of products meet or exceed the national standards, introduces scientific management mode, and standardizes the operation of each process to ensure the excellent quality of each product.
Flexible design to meet the needs of different users. According to the actual needs of customers, the product structure can be designed. signed flexibly, and all kinds of accessories can be selected according to users' requirements, to meet the personalized needs of different customers.
Safe, no partial discharge, high efficiency, and energy-saving
Seven-stage temperature control technology
Low loss: adopt a special design scheme, the no-load loss is 20% lower than the national standard, and the load loss is 5% lower than the national standard.
Low noise: the noise is 3-5 dB lower than the national standard
No partial discharge: factory test is less than 40pc
Anti-short circuit: pass the sudden short circuit test of the national transformer testing center.
Scope of application: widely used in large and medium-sized city power grids large thermal power plants, and industrial and mining enterprises.
DuPont Nomex Insulation System
World-recognized high-quality electrical insulating materials. Chemical - There is no weak C-H bond, and it has good chemical stability.
Heat resistance: long-term stable operation at 220 ℃; Short-term operation at 350 ℃; At 250 ℃, it will not melt, flow, or support combustion; No toxic or corrosive gas will be released at 750 ℃.
Safety, and environmental protection - no toxic reaction to people and animals; the smoke concentration is low and no harmful gas is produced during burning.
S20-220KV 31500KVA-420000KVA Three Phase Double Winding Non-Excitation Voltage Regulating Power Transformer |
Rated Capacity (KVA) | Voltage Combination and Tapping Range | Vector Group | No Load Loss (KW) | Load Loss (KW) | No Load Current (%) | Impedance (%) |
HV (KV) | LV (KV) |
31500 | 220±2x2.5%
242±2x2.5% | 6.3
6.6
10.5 | YNd11 | 18 | 115 | 0.56 | 12-14 |
40000 | 21 | 134 | 0.56 |
50000 | 25 | 161 | 0.52 |
63000 | 30 | 188 | 0.52 |
75000 | 10.5
13.8 | 34 | 213 | 0.48 |
90000 | 40 | 246 | 0.44 |
120000 | 49 | 304 | 0.44 |
150000 | 10.5
13.8
15.75
18
20 | 58 | 360 | 0.4 |
160000 | 60 | 378 | 0.39 |
180000 | 66 | 413 | 0.36 |
240000 | 83 | 484 | 0.33 |
300000 | 15.75
18
20 | 98 | 577 | 0.3 |
360000 | 112 | 662 | 0.3 |
370000 | 114 | 675 | 0.3 |
400000 | 122 | 716 | 0.28 |
420000 | 125 | 742 | 0.28 |
Note:
1. Transformers with a rated capacity less than 31500kVA and other voltage combinations can also be provided according to requirements.
2. transformer with low voltage of 35kV can also be provided according to requirements.
3. The non tapping structure is preferred, and taps can be set if required.
4. When the annual average load rate of transformer is between 45% and 50%,the highest operation eficiency can be obtained byusing the loss value in the table. |
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SS22-220KV 31500KVA-300000KVA Three Phase Three Winding Non-Excitation Voltage Regulating Power Transformer |
Rated Capacity (KVA) | Voltage Combination and Tapping Range | Vector Group | No Load Loss (KW) | Load Loss (KW) | No Load Current (%) | Impedance (%) |
HV (KV) | MV (KV) | LV(KV) | Step Up | Step Down |
31500 | 220±x2.5%
230±2x2.5%
242±2x2.5% | 69
115
121 | 6.3
6.6
10.5
21
36
37
38.5 | YNyn0d11 | 18 | 138 | 0.48 | HV-MV
22-24
HV-LV
12-14
MV-LV
7-9 | HV-MV
12-14
MV-LV
22-24
MV-LV
7-9 |
40000 | 21 | 165 | 0.42 |
50000 | 24 | 194 | 0.36 |
63000 | 29 | 231 | 0.38 |
90000 | 10.5
13.8
21
36
36
37
38.5 | 37 | 300 | 0.33 |
120000 | 46 | 369 | 0.33 |
150000 | 10.5
13.8
15.75
21
36
37
38.5 | 55 | 438 | 0.28 |
180000 | 62 | 500 | 0.28 |
240000 | 72 | 616 | 0.22 |
300000 | 91 | 726 | 0.2 |
Note:
1. The capacity distribution ofthe load in the table is (100 / 100 / 100)%; The capacity distribution of boost structure can be (100 / 50/ 100)%; The capacity allocation of Buck structure can be (100 /100/50)% or (100/50 /100)%
2. Transformers with rated capacity less than 31500kv, A and other voltage combinations can also be provided according to requirements,
3. The transformer with low voltage of 35kV can also be provided;
4. The non tapping structure is prefered, and taps can be set if required;
5. When the annual average load rate of transformer is about 45%, the highest operation efficiency can be obtained by using the loss value in the table. |
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SSZ20-220KV 31500KVA-240000KVA Three Phase Three Winding OLTC Power Transformer |
Rated Capacity (KVA) | Voltage Combination and Tapping Range | Vector Group | No Load Loss (KW) | Load Loss (KW) | No Load Current (%) | Capacity Allocation (%) | Impedance (%) |
HV (KV) | MV (KV) | LV(KV) |
31500 | 220±8x1.25%
230±8x1.25% | 69
115
121 | 6.3
6.6
10.5
21
36
37
38.5 | YNyn0d11 | 23 | 138 | 0.63 | 100/100/100
100/50/100
100/100/50 | HV-MV
12-14
HV-LV
22-24
MV-LV
7-9 |
40000 | 27 | 165 | 0.60 |
50000 | 31 | 194 | 0.60 |
63000 | 36 | 231 | 0.55 |
90000 | 10.5
21
36
37
38.5 | 47 | 300 | 0.44 |
120000 | 60 | 369 | 0.44 |
150000 | 70 | 438 | 0.39 |
180000 | 81 | 538 | 0.39 |
240000 | 100 | 667 | 0.35 |
Note:
1. The data listed in the table are applicable to step-down structure products, and step-up structure products can also be provided as required;
2. A transformer with 35kV low voltage can also be provided according to requirements;
3. When the annual load rate of the transformer is between 45% and 50%,the highest operation efficiency can be obtained by using the loss value in the table. |
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S11-220KV 3150KVA-240000KVA Three Phase winding non-excitation voltage regulating autotransformer |
Rated Capacity (KVA) | Voltage Combination and Tapping Range | Vector Group | Step Up Combination | Step Down Combination | Impedance (%) |
HV (KV) | MV (KV) | LV(KV) | No Load Loss (KW) | Load Loss (KW) | No Load Current (%) | No Load Loss (KW) | Load Loss (KW) | No Load Current (%) | Step Up | Step Down |
31500 | 220±2x2.5%
230±2x2.5%
242±2x2.5% | 115
121 | 6.6
10.5
21
36
37
38.5 | YNa0d11 | 20 | 111 | 0.45 | 17 | 94 | 0.4 | HV-MV
12-14
HV-LV
8-12
MV-LV
14-18 | HV-MV
8-10
HV-LV
28-34
MV-LV
18-24 |
40000 | 23 | 136 | 0.45 | 20 | 114 | 0.4 |
50000 | 27 | 161 | 0.4 | 24 | 136 | 0.34 |
63000 | 32 | 190 | 0.4 | 28 | 162 | 0.34 |
90000 | 40 | 262 | 0.34 | 36 | 222 | 0.28 |
120000 | 10.5
13.8
15.75
18
21
36
37
38.5 | 49 | 323 | 0.34 | 44 | 273 | 0.28 |
150000 | 58 | 384 | 0.28 | 52 | 324 | 0.26 |
180000 | 67 | 439 | 0.28 | 60 | 367 | 0.26 |
240000 | 79 | 545 | 0.16 | 71 | 478 | 0.2 |
Note:
1. The capacity allocation of the step-up structure is (100 / 50 / 100)9%, and that of step-down structure is (100 / 100 / 50)%,
2. The short circuit impedance in the table is 100% of the rated capacity;
3. Transformer with low voltage of 35kV can also be provided on request,
4. The non-tapping structure is preferred, and taps can be set if required;
5. When the annual load rate of the transformer is about 40%,the highest operation eficiency can be obtained by using the loss value in the table. |
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SSZ20-220KV 31500KVA-300000KVA Three Phase Three Winding Non Excitation Voltage Regulating Power Transformer |
Rated Capacity (KVA) | Voltage Combination and Tapping Range | Vector Group | No Load Loss (KW) | Load Loss (KW) | No Load Current (%) | Impedance (%) |
HV (KV) | MV (KV) | LV(KV) | Step Up | Step Down |
31500 | 220±2x2.5%
230±2x2.5%
242±2x2.5% | 69
115
121 | 6.3
6.6
10.5
21
36
37
38.5 | YNyn0d11 | 21 | 138 | 0.56 | HV-MV
22-24
HV-LV
12-14
MV-LV
7-9 | HV-MV
12-14
MV-LV
22-24
MV-LV
7-9 |
40000 | 25 | 165 | 0.5 |
50000 | 29 | 194 | 0.44 |
63000 | 34 | 231 | 0.44 |
90000 | 10.5
13.8
21
36
37
38.5 | 44 | 300 | 0.39 |
120000 | 55 | 369 | 0.39 |
150000 | 10.5
13.8
15.75
21
36
37
38.5 | 65 | 438 | 0.33 |
180000 | 73 | 500 | 0.33 |
240000 | 91 | 616 | 0.28 |
300000 | 108 | 726 | 0.24 |
Note:
1. the capacity distribution of the load in the table is (100/100/100)%; The capacity distribution of the step up structure can be(100/50/100)%; The capacity distribution of the step-down structure can be (100/100/50)%, or (100/50/100).
2. transformers with rated capacity less than 31500kva and other voltage combinations can also be provided as reguired.
3. transformers with low voltage of 35kV can also be provided.
4. the non-tap structure is preferred, lf required by operation, tap can be set.
5. when the average load rate of the transformer is about 45%, the maximum operating efficiency can be obtained by using the loss value in the table. |
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CEEG is a professional transformer manufacturer! Our production base covers an area of more than 600 acres (40 hectares) with extensive facilities and a total construction area of 180,000 square meters. We have a professional team of more than 1,000 employees. We have advanced transformer production and testing equipment here to ensure that we provide customers with high-quality power transformer products.
We boast an array of cutting-edge equipment representing a high standard within the industry, including a complete set of shearing machines, fully automated winding machines, robot-operated stacking machines, the Hedrch Vacuum Casting Equipment, vacuum impregnation systems, air cushion transport vehicles, a fully enclosed production workshop with a cleanliness level of 100,000, 20-ton vertical winding machines, 10-ton horizontal winding machines, coal-oil gas phase drying equipment, and a 200-ton overhead crane. We adopt the latest technology and processes to ensure our products comply with international standards and customer needs.
We have a strong production capacity of 30 million kVA power transformers annually. This means we can cater to all sizes and types of power transformer needs, from small applications to large energy projects. No matter what specifications our customers require, we deliver them on time and support them with high quality and reliability.
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