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Amorphous Alloy Transformer and Energy Efficiency of Single Phase Transform

Amorphous alloy transformer: Compared with the traditional silicon steel transformer, the biggest advantage is the low load loss, cancel the storage cabinet, the dimensions in the height direction was significantly reduced, amorphous alloy transformer core with amorphous alloy A special magnetic material, its crystal structure is superior to the traditional silicon steel, has a more favorable magnetization and demagnetization of the advantages, so it can significantly reduce the core of the no-load loss, the no-load loss value with the previous capacity S9-type transformer, can reduce the consumption of about 80%, the load loss and the same capacity S9, S11-type distribution transformer the same, with the same capacity of the S7-type distribution transformer reduced by about 25%, this will give enterprises to reduce customer Power loss, bring more economic benefits.
Single-phase transformer: 10kV single-phase variable loss, significant advantages of energy-saving is very obvious, at present in some domestic provinces and cities are also gradually promote the application. The single phase change can lead the high voltage directly to the user's door, so that the low voltage line power supply radius greatly shortened, low pressure loss to a minimum, while improving the voltage quality, improve the reliability of power supply, and single-phase structure is also a great Superiority, high voltage using two-phase voltage, low-voltage side of the single-phase three-wire structure, so that the average distribution of low-voltage load to the two-phase, the load balance through the zero line current zero. In the case of a low-voltage transformation in a district, the existing problems are: the transformer layout is not reasonable, the power supply radius is large, the diameter is small, the voltage qualified rate is poor, the failure rate is high, and the electricity quality of the residents is not guaranteed. After the transformation, through the replacement of single-phase change, shorten the low-voltage line power supply radius, increase the power supply line cross-section and other measures, the residential residential district power quality has been a fundamental improvement. In the case of
The main role of single phase change:
(1) three-phase power distribution system to single-phase power distribution system can significantly reduce line loss, especially low-voltage line loss tends to zero. According to the investment efficiency of the new single-phase change program than the three-phase change program to increase investment in the substation put into operation 7 to 8 years, the transformation project is estimated to be about 10 years to recover all the investment.
(2) the residents of the voltage pass rate greatly improved, three-phase power supply due to low voltage line caused by the user terminal voltage is low, single-phase power supply to reduce the low-voltage lines, so that the residents of the voltage pass rate greatly improved.
(3) power supply line power supply reliability increased, the last three-phase transformer 1 315 kilovolt for 150 residents, and a 30-kilovolt single phase change for 12 residents, a 50 kV single phase change For 24 residents, distribution failure to reduce the number of households, at the same time, single-phase change to facilitate the installation of exchange, shorten the time to deal with the accident.
(4) transformer noise will be greatly reduced, is conducive to environmental protection, beautify the residential area environment.
(5) the use of single-bar-type transformers, so that theft is difficult to steal the transformer, to ensure the safety of electrical facilities.
(6) to reduce the low-voltage lines, reducing the number of power supply, stealing the situation will be greatly reduced, further reducing the line loss.
(7) due to capacity constraints, the higher the simultaneous rate, the load peak of the larger residential unit power supply capacity is not easy to balance.
(8) Three-phase power supply scheme should not use single-phase change.
City power supply company in the rural distribution network construction and transformation of investment, through the use of new, energy-saving superior non-gold crystal and single-phase change, in accordance with the "pressure into the household, small capacity, dense point" technical principles , Optimize the distribution point, shorten the low-voltage power supply radius, so as to achieve reduced energy saving, improve the quality of power supply and service levels, effectively improve the city's power supply reliability.