In energy consumption has become a consensus in the community today, amorphous alloy transformers have been coming to the fore, while the amorphous alloy strip of a breakthrough for our promotion of amorphous alloy transformer provides critical technical support. The next few years, our country and the amorphous alloy transformer with amorphous material in huge demand, so to bring the relevant companies a rare opportunity.
United Securities Yang Jun Amorphous Amorphous alloy transformer to the fore is the 70s came a new alloy material, which adopts international advanced ultra-rapid cooling technique of liquid metal to 1X106 / S cooling rates the thickness of 0.02-0.04 the formation of direct cooling mm strip of solid, atoms are combined on a short-range order, characterized by long-range disorder of amorphous alloy, this alloy has a number of unique performance characteristics, such as the excellent magnetic properties, corrosion resistance, wear resistance, high hardness , high strength, high resistance rate.
Now, with e-technology to high-frequency, small size direction, amorphous nanocrystalline soft magnetic alloy materials are made of a variety of magnetic devices to replace silicon steel, ferrite and permalloy, etc. used in electric industry, electronic industry and power electronics technology, as current transformers, high power switching power supply, power inverters and programmable switching power transformers, reactors, filters, transformers, and sensors.
Fe-based amorphous alloy cores with high saturation magnetic induction, low coercivity, low loss (the equivalent of silicon steel sheet of 1/3-1/5), low excitation current, good temperature stability. Amorphous alloy with the distribution transformer no-load losses than silicon steel S9 series dropped 75%, no-load current ratio decreased 50% S9, S9, and S7 load loss than the series dropped 25%.
Although, at present, about the price of amorphous alloy transformer transformer with capacity of 1.3-1.5 times of 9, but no-load loss and load loss decreased significantly compared with 9 transformer, so the total amorphous alloy transformer has Cost (TOC) is still below 10% of transformer 9.
Calculated according to the experts, amorphous alloy transformers and 9-type transformers prices close to 1.3:1, the spread can be recovered in 5 years, starting from 6 years can enjoy a low loss amorphous transformers brought to earnings. With the expansion of production scale of amorphous transformers and electricity price rise, amorphous transformer will be lower TOC values. In energy consumption has become a social consensus today, amorphous alloy transformers will gradually coming to the fore.
Amorphous alloy strip in 1960, the most important researchers at the University of California, the first amorphous alloy was found 14 years later, in 1974, Union Trust, the development of iron-based amorphous alloy, the letter associated company in 1989, the United States in the world the first commercial mass production of amorphous transformer core.
Hitachi Metals Ltd. in 2003, Union Trust, bought a 50% stake, has become the world's largest manufacturer of amorphous alloys large shareholders. Currently, Hitachi Metals plans to invest 42 million dollars to expand its glass production capacity will be an annual production capacity from the current 22,000 tons to 52,000 tons, expected that the new plant will start up in early 2007.
In accordance with the present capacity of Hitachi Metals, Hitachi Metals will even if all of the amorphous alloy exports to China, in theory, China could only produce 1,294 million KVA amorphous alloy transformer, 500KVA Distribution Transformer equivalent to about 26 000 Taiwan.
Table 1: production of amorphous alloy transformer theory prediction
2005A2006E2007E Hitachi amorphous alloy production (tons) 22,000.0022,000.0052,000.00
Per KVA transformer consumption (kg) 1.701.701.70
Transformer output (10,000 KVA) 1,294.121,294.123,058.82
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