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The harm of harmonics to frequency converters, the harmonic control scheme of frequency converters
Frequency converters are widely used in the variable speed transmission system industry in industrial production. Because of the power switching characteristics of the inverter rectifier circuit, a typical discrete system load is generated on its switching power supply. The frequency converter us...Read More -
Reactive Power Compensation and Harmonic Control Scheme for Rolling Mill Equipment
The main transformer of the rolling mill power distribution system is a rectifier transformer with a voltage of 0.4/0.66/0.75 kV, and the main load is a DC main motor. Because the power transmission and distribution of the user’s extruder rectifier device generally uses two types of six-pul...Read More -
Production line harmonic control scheme
At present, the best harmonic control ability in the market is the APF series low-voltage active filter developed and manufactured by Hongyan Electric. This is a power electronic component based on current monitoring and current introduction technology. The harmonic current component to be compen...Read More -
Monocrystalline silicon furnace harmonic control scheme
The single crystal furnace is a kind of equipment that uses high-purity graphite heater to melt polycrystalline raw materials such as photovoltaic cells in a rare gas environment, and uses the Czochralski method to grow a dislocation-free single crystal. Single crystal furnaces are commonly used....Read More -
High-power UPS harmonic control scheme
In which fields are UPS power supplies widely used? UPS power supply system equipment is the first type of information equipment, mainly used in the security protection of computer information systems, communication systems, mobile data network centers, etc. In the big data industry, big data ind...Read More -
Harmonic Control Scheme for Reactive Power Compensation of Mineral Arc Furnace
The reactance caused by the short network of large and medium submerged arc furnaces accounts for about 70% of the operating reactance of the heating furnace. The submerged arc furnace short network refers to the general term for various forms of low pressure and high current electrical conductor...Read More -
Control scheme of electric welding machine group dynamic compensation filter
Application field of spot welding machine 1. Welding of multilayer positive and negative electrodes of power battery, welding of nickel mesh and nickel plate of nickel metal hydride battery; 2. Electric welding of copper and nickel plates for lithium batteries and polymer lithium batteries, elect...Read More -
Active power filter device for harmonic control of intermediate frequency furnace
Load application Widely used in smelting and heating of non-ferrous and ferrous metals. Such as cast iron in smelters, general steel, stainless steel plate, alloy steel, copper, aluminum, gold, silver and aluminum alloy, etc. ; Steel and copper parts for diathermy forging, aluminum ingots for ext...Read More