qizhen0926
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Special transformer characteristics of medium freq
« on: Jan 17th, 2018, 11:04pm » |
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1. Energy conservation, efficiency and environmental protection. According to the requirement of the national mandatory standard of power transformer energy efficiency qualification and energy efficiency grade, the transformer plays a very important role in the construction of the power grid. Power transformer is the key electrical equipment for conveying power, and the transformer consumes 30%~40% of the loss of power grid. On the one hand, it can effectively reduce the energy consumption and noise in operation. On the other hand, the use of raw materials such as copper, iron, oil and insulation should be minimized to avoid excessive waste of non-renewable resources. Significant power saving effect, low noise (< 65dB)Hygienic Stainless Steel Pharmaceutical Transfer Pump Double Screw Pump
2. Anti-harmonics
The special transformer of medium frequency furnace USES 12 pulse wave transformer to eliminate all the harmonics of the network side winding.
Harmonic is sine wave, each harmonic has different frequency, amplitude and phase Angle. Harmonics can be divided into even and odd, number 3, 5, and 7 times of surprising harmonics, and 2, 4, 6, 8, etc for harmonics, such as fundamental wave of 50 hz, two harmonic for l00Hz, 3 harmonics is 150 hz. In general, the damage caused by odd harmonics is larger than that of even harmonic.
Products combining with the characteristics of load and power grid voltage fluctuation, the atmospheric overvoltage situation, according to the load condition of rectifier transformer, insulation level and the model for determining reasonable, reliable, fully guaranteed product electrical performance is reliable and stable. The product environmental safety factor is greater than 1.67.
3. Not hot and overloaded.Parts For Warman Pumps
Electrical production in the production of intermediate frequency furnace for transformer and materials, technical parameters by accurate calculation, choose high quality high permeability, low loss and high quality silicon steel sheet manufacturing core wires, and through the scientific method to determine the proportion of copper, iron, from raw material guarantee transformer has a low no-load loss and low noise performance. Through the method of "open source throttling", the effective control of the heat and current of the transformer is increased, so as to ensure the stable and efficient operation of the transformer.
Advanced product design, strictly control the heating part of the product and the most hot spot temperature rise, and had good high temperature allowance, if necessary can be added inside the coil axial oil, according to the cooling coil load loss value choose oil flow and rational distribution, to achieve the best cooling effect, the temperature rise of the main indicators are lower than the national standard for at least 5 . The coil and lead wire adopts copper conductor, and the current density is low.
Product has strong ability of power load and over voltage, in the long-term safe operation of the rated load case, but under the condition of 110% overvoltage long-term safe operation of the full load (ambient temperature 40 ); The terminal of the transformer and the motor can withstand 1.5 times the rated current, which lasts for 5S. The product design and manufacture fully consider the load characteristics, and meet the overload requirements from the aspects of temperature rise, insulation performance and accessory selection.Vacuum Brazing Furnace Used For Honeycomb Seal Ring Brazing
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