Class H insulation | transformer insulation dry type transformer dry transformer | ||||
1. Dry type transformer has following insulation classes: class B, class F, class H, class C, etc. | |||||
2. Transformer thermal-endurance temperature is respectively 130C, 155C, 180C, and 220C. | |||||
3. Insulation dry tye transformer as adopting new material and new technology of Depont, | |||||
4. SG(B) dry type transformer has reached class H of thermal endurance, | |||||
5. And some of its key location reached class C of thermal endurance. | |||||
Temperature class | B class | F class | H class | C class | |
Mean temperature rise (K) | 80 | 100 | 125 | 150 | |
Max. ambient temperature (°C) | 40 | 40 | 40 | 40 | |
Temperature tolerance of the hottest point (°C) | 10 | 15 | 15 | 30 | |
Max. temperature (°C) | 130 | 155 | 180 | 220 |
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| Insulation Class | ||
SC(B) | SC(B) | SC (B) | SC (B) | ||||||||
30 | 6 | ±5% | 0.4 | Yyn0 | 4 | 220 | 190 | 800 | 760 | 2.3 | H |
50 | 310 | 270 | 1130 | 1070 | 2.2 | ||||||
80 | 420 | 370 | 1560 | 1480 | 1.7 | ||||||
100 | 450 | 400 | 1780 | 1690 | 1.7 | ||||||
125 | 530 | 470 | 2100 | 1980 | 1.5 | ||||||
160 | 610 | 540 | 2410 | 2280 | 1.5 | ||||||
200 | 700 | 620 | 2870 | 2710 | 1.3 | ||||||
250 | 810 | 720 | 3120 | 2960 | 1.3 | ||||||
315 | 990 | 880 | 3930 | 3730 | 1.1 | ||||||
400 | 1100 | 980 | 4520 | 4280 | 1.1 | ||||||
500 | 1310 | 1160 | 5530 | 5230 | 1.1 | ||||||
630 | 1510 | 1340 | 6660 | 6290 | 0.9 | ||||||
630 | 6 | 1460 | 1300 | 6750 | 6400 | 0.9 | |||||
800 | 1710 | 1520 | 7880 | 7460 | 0.9 | ||||||
1000 | 1990 | 1770 | 9210 | 8760 | 0.9 | ||||||
1250 | 2350 | 2090 | 10980 | 10370 | 0.9 | ||||||
1600 | 2760 | 2450 | 13270 | 12580 | 0.9 | ||||||
2000 | 3400 | 3050 | 16370 | 15560 | 0.7 | ||||||
2500 | 4000 | 3600 | 19460 | 18450 | 0.7 |
SG(B)10 Type H-class Insulation Dry type Transformer | ||
1) High reliability | 4) Low local discharge | 6) High withstands short-circuit |
2) Low loss | 5) Long service life | 7) Cast with imported epoxy resin |
3) Low noise | 6) Conform to the IEC standard; | 9) Dry transformer silicon sheet |
1. | Pre sale service |
a. | make technical solution |
b. | send quotation, technical data sheet and drawing |
c. | prepare power transmission plan, testing plan,and shipment plan |
2. | In sale service |
a. | supervise the manufacturing schedule totally in accordance with the plan |
b. | send photos to customer during every manufacturing process(hold point) |
c. | inform the customer one week before testinng. |
3. | After sale service |
a. | installation and commissioning, training the workers |
b. | quick response within 12 hours any time |
c. | provide 12 months gurantee period normally. |
1. Q: | What is your delivery time ? |
A: | Depend on the type of transformer. |
2. Q: | What is your payment term? |
A: | 30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it. |
3. Q: | What kind of starndard you follow? |
A: | IEC, ANSI, CSA, GB, etc |
4. Q: | What kind of supporting documentation you can provide normally |
A: | Quotation,outline drawing,manufacturing plan, quality control plan testing plan, financial report, type test report(KEMA, CESI),reference list,etc |
5. Q: | What is your normal wanrranty period? |
A: | 12 months after transformer operation. |
6. Q: | Can u do installation and commissioningin user's site? |
A: | Yes, we can send our installation team to user's country for service. |
7. Q: | Do you have any experience in this kind of transformer? |
A: | Yes, we can provide reference list for check. |
8. Q: | Are you manufacturer or trading company? |
A: | Manufacturer and Trading company. |