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Mining type power distribution transformers with power rating from 25 to 2500 kVA and Voltage 6-36/0,4 (0.23)kV. In 50/60 Hz power transmission and distribution system for power supply and lighting in industrial and agricultural field. Distribution transformers are produced with nominal Voltage in primary winding 6 up to 36 kV. Nominal Voltage in secondary winding is 0.4 or 0.23 kV. Scheme and connection group of windings U/Un-0 or D/Un-11, etc. On the customer demand it is possible to make transformers with different connection of the Voltage s and other construction solution. Regulating the Voltage is made as a result of moving the switch, by the transformer detached from the net both high (HV) and low (LV) Voltages.
1. Energy saved :
Compared with old type S7, no-load loss decreases 10.25% averagely and on-load current decreases 37.9%, which means 18.39% operation cost is reduced.Owing to the corrugated plate used for radiation, oil volume is changed by adjustment and compensation through expansion and shrinkage of corrugated plate when the temperature of oil is changed. Corrugated tank is small size in good looking.
Mining type power distribution transformers with power rating from 25 to 2500 kVA and Voltage 6-36/0,4 (0.23)kV. In 50/60 Hz power transmission and distribution system for power supply and lighting in industrial and agricultural field. Distribution transformers are produced with nominal Voltage in primary winding 6 up to 36 kV. Nominal Voltage in secondary winding is 0.4 or 0.23 kV. Scheme and connection group of windings U/Un-0 or D/Un-11, etc. On the customer demand it is possible to make transformers with different connection of the Voltage s and other construction solution. Regulating the Voltage is made as a result of moving the switch, by the transformer detached from the net both high (HV) and low (LV) Voltages.
Rated Capacity(KVA) | Rated Voltage(KV) | Vector Group | Impedance(%) | No-load loss/ Load loss(KW) | No-load Current(%) |
10 | (HV) 11 10.5 10 6.3 6 (LV) 0.4 0.69 | Yyn0, Dyn11 | 4 | 0.065/0.4 | 3.5 |
20 | 0.08/0.52 | 3.0 | |||
30 | 0.1/0.63(0.6) | 2.3 | |||
50 | 0.13/0.91(0.87) | 2.0 | |||
63 | 0.15/1.09(1.04) | 1.9 | |||
80 | 0.18/1.31(1.25) | 1.9 | |||
100 | 0.2/1.58(1.5) | 1.8 | |||
125 | 0.24/1.89(1.8) | 1.7 | |||
160 | 0.28/2.31(2.2) | 1.6 | |||
200 | 0.34/2.73(2.6) | 1.5 | |||
250 | 0.4/3.2(3.05) | 1.4 | |||
315 | 0.48/3.83(3.65) | 1.4 | |||
400 | 0.57/4.52(4.3) | 1.3 | |||
500 | 0.68/5.41(5.15) | 1.2 | |||
630 | 4.5 | 0.81/6.2 | 1.1 | ||
800 | 0.96/7.5 | 1.0 | |||
1000 | 1.15/10.3 | 1.0 | |||
1250 | 1.36/12.0 | 0.9 | |||
1600 | 1.64/14.5 | 0.8 | |||
2000 | 1.96/19.8 | 0.8 | |||
2500 | 2.31/23.0 | 0.7 |
Mining type power distribution transformers with power rating from 25 to 2500 kVA and Voltage 6-36/0,4 (0.23)kV. In 50/60 Hz power transmission and distribution system for power supply and lighting in industrial and agricultural field. Distribution transformers are produced with nominal Voltage in primary winding 6 up to 36 kV. Nominal Voltage in secondary winding is 0.4 or 0.23 kV. Scheme and connection group of windings U/Un-0 or D/Un-11, etc. On the customer demand it is possible to make transformers with different connection of the Voltage s and other construction solution. Regulating the Voltage is made as a result of moving the switch, by the transformer detached from the net both high (HV) and low (LV) Voltages.
1. Energy saved :
Compared with old type S7, no-load loss decreases 10.25% averagely and on-load current decreases 37.9%, which means 18.39% operation cost is reduced.Owing to the corrugated plate used for radiation, oil volume is changed by adjustment and compensation through expansion and shrinkage of corrugated plate when the temperature of oil is changed. Corrugated tank is small size in good looking.
Mining type power distribution transformers with power rating from 25 to 2500 kVA and Voltage 6-36/0,4 (0.23)kV. In 50/60 Hz power transmission and distribution system for power supply and lighting in industrial and agricultural field. Distribution transformers are produced with nominal Voltage in primary winding 6 up to 36 kV. Nominal Voltage in secondary winding is 0.4 or 0.23 kV. Scheme and connection group of windings U/Un-0 or D/Un-11, etc. On the customer demand it is possible to make transformers with different connection of the Voltage s and other construction solution. Regulating the Voltage is made as a result of moving the switch, by the transformer detached from the net both high (HV) and low (LV) Voltages.
Rated Capacity(KVA) | Rated Voltage(KV) | Vector Group | Impedance(%) | No-load loss/ Load loss(KW) | No-load Current(%) |
10 | (HV) 11 10.5 10 6.3 6 (LV) 0.4 0.69 | Yyn0, Dyn11 | 4 | 0.065/0.4 | 3.5 |
20 | 0.08/0.52 | 3.0 | |||
30 | 0.1/0.63(0.6) | 2.3 | |||
50 | 0.13/0.91(0.87) | 2.0 | |||
63 | 0.15/1.09(1.04) | 1.9 | |||
80 | 0.18/1.31(1.25) | 1.9 | |||
100 | 0.2/1.58(1.5) | 1.8 | |||
125 | 0.24/1.89(1.8) | 1.7 | |||
160 | 0.28/2.31(2.2) | 1.6 | |||
200 | 0.34/2.73(2.6) | 1.5 | |||
250 | 0.4/3.2(3.05) | 1.4 | |||
315 | 0.48/3.83(3.65) | 1.4 | |||
400 | 0.57/4.52(4.3) | 1.3 | |||
500 | 0.68/5.41(5.15) | 1.2 | |||
630 | 4.5 | 0.81/6.2 | 1.1 | ||
800 | 0.96/7.5 | 1.0 | |||
1000 | 1.15/10.3 | 1.0 | |||
1250 | 1.36/12.0 | 0.9 | |||
1600 | 1.64/14.5 | 0.8 | |||
2000 | 1.96/19.8 | 0.8 | |||
2500 | 2.31/23.0 | 0.7 |
