KNKONG 80kVA 20KV Three Phase Dry Type Transformer
Brand Name:KNKONG
Certification:ISO IEC GB
Model Number:SCB
Minimum Order Quantity:1
Delivery Time:15 working days
Payment Terms:L/C, T/T
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Location:
Zhengzhou Henan China
Address:
No. 25 Street , Hanghai Road, Zhengzhou,Henan,China
Supplier`s last login times:
within 11 hours
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Product Details
SCB 10 35KV 30-2500KVA 3-phase dry type power Transformer ISO IEC
GB
10KV 20KV 35KV SCB Dry Type Power Transformer
Capacity:30~2500KVA
epoxy resin cast
The core is made of high permeable grain orientated silicon sheet and cast with imported epoxy resin
epoxy resin cast
The core is made of high permeable grain orientated silicon sheet and cast with imported epoxy resin
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Product Introduction
Dry-type transformers are widely used in local lighting, high-rise buildings, airports, terminal CNC machinery equipment and other places. Simply put, dry-type transformers refer to transformers whose cores and windings are not immersed in insulating oil.
Characteristic structure
Temperature control system
The safe operation of dry-type transformers and its service life
depend to a large extent on the safety and reliability of
transformer winding insulation.
cooling method
Dry-type transformer cooling methods are divided into natural air
cooling (AN) and forced air cooling (AF). When natural air cooling,
the transformer can run continuously for a long time under the
rated capacity. When forced air cooling, the output capacity of the
transformer can be increased by 50%. It is suitable for
intermittent overload operation or emergency accident overload
operation; due to the large increase in load loss and impedance
voltage during overload, it is in a non-economic operation state,
so it should not be kept in continuous overload operation for a
long time.
Technical Parameters
1. Frequency of use: 50/60HZ;
2. No-load current: <4%;
3. Compressive strength: 20000V/min without breakdown; testing
instrument: YZ1802 withstand voltage tester (20mA);
4. Insulation grade: F grade (special grade can be customized);
5. Insulation resistance: ≥2M ohm test instrument: ZC25B-4 type
megohmmeter <1000 V);
6. Connection mode: Y/Y, △/Y0, Yo/△, auto-coupling (optional);
7. Allowable temperature rise of coil: I00K;
8. Heat dissipation method: natural air cooling or temperature
control automatic heat dissipation;
9. Noise coefficient: ≤30dB.
10KV-SCB dry type transformer main technical data
Rated power (kVA) | High voltage (kV) | H.V.Tap (kVA) | Rated Frequency (Hz) | Low Voltage (kV) | Vector group | Short circuit impedance | No-load loss(w) | On-load loss(w) | No-load loss circuit (%) | Main Body (without shell) | |
L*W*H(mm) | Weight (Kg) | ||||||||||
| 20 | 6 6.3 6.6 10 10.5 11 | ±5% or +2×2.5% | 50 | 0.4 | Yyn0 Dyn11 | 4 | 190 | 710 | 2.3 | 585*400*561 | 205 |
| 30 | 190 | 710 | 2.3 | 585*400*561 | 230 | ||||||
| 50 | 270 | 1000 | 2.2 | 585*400*636 | 300 | ||||||
| 80 | 370 | 1380 | 1.7 | 700*500*759 | 395 | ||||||
| 100 | 400 | 1570 | 1.7 | 710*500*779 | 475 | ||||||
KNKONG 80kVA 20KV Three Phase Dry Type Transformer
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