Frequency converter harmonic control means

Harmonic transmission is the conduction and radiation, to solve the conductive interference is mainly conducted in the circuit to filter the high-frequency current filtered or isolated; to solve the radiation interference is to shield the source or the interference of the line. Specific common methods: (1) inverter power supply system and other equipment independent of the power supply, or in the inverter and other electrical equipment installed on the input side of the isolation transformer , cut off the harmonic current. (2) Connect the appropriate reactor on the input side and the output side of the inverter, or install the harmonic filter. The filter must be of LC type to absorb the harmonics and increase the impedance of the power supply or load to achieve harmonic suppression the goal of. (3) The cable between motor and inverter should be laid with steel pipe or armored cable, laid with other weak signals in different cable ditch to avoid radiation interference. (4) Shielded cable should be used for the signal cable, and the control cable of the main circuit of the inverter must be staggered by a certain distance (at least 20cm or more) during wiring to cut off the radiation interference. (5) The inverter uses a dedicated ground wire, and with a stubby ground, the ground wire adjacent to other electrical equipment must be separate from the inverter wiring and use short-term. This effectively suppresses the radiated interference from current harmonics to nearby devices. LC-RX â…  type filter compensation device adopts microcomputer dynamic filter compensation controller, the main circuit adopts high-performance contactor switching filter branch control mode, automatic switching. Equipment is technologically advanced, fully functional, high reliability, easy operation, small maintenance, durability and so on. Tuning filter branch using computer simulation design, analysis and calculation of the actual situation for users, in-place filter compensation to improve the user's power factor and harmonic conditions, to achieve energy saving and improve user economic benefits. Device can automatically exit the work in the event of an external fault or power failure, automatically resume operation after power transmission.

Crimped Wire Mesh

Material : High carbon steel wire, mild steel wire, stainless steel wire, copper wire.

Weaving type : plain crimped, InterCrimped, locked crimped, one-way separated wave bending, two-way bending crimped, flat top, Rectangular Slot, etc.

Width : 1m, 1.2m, 1.3m, 1.5m, 1.6m, 2m, etc.

Application : with the stable mesh size, good strength, crimped wire mesh can be used as fence or filters in industries, such as coal, mine, metallurgy, chemical, pharmacy; With the beautiful surface & various types, it is widely used in decoration industry, such as building's facade and staircases, airport stations etc. Also, with its uniform mesh size & high screening precision, crimped wire mesh also widely used in making barbecue mesh and test sieve, etc.

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FAQ:

Q1: What problems can I solve for you?
If you have problems in filtering, I can give you suggestions, recommend products and customized solutions.
According to the feedback from my customers, the average life of my product is 10% - 15% longer than that of others.
All specifications are available in stock.
Material are purchased from one of the most famous material company in China.
Equipments are imported from Japan and Germany.
Products have accurate mesh and wire diameter, good roundness to meet all your filtering needs.
Q2: What services can I offer for you?
Every product has passed strict parameter test and element content test, quality inspection report and material list can be provided.
Sufficient inventory, continuous and stable supply, perfect process to avoid mistakes, you can go to bed after you place an order.
Exquisite packaging to protect goods from the damage during transportation.
You can also customize the label or logo.
The status of production and transportation can be provided at any time.
Q3: What are the differences in my factory?
Family business inherits the wisdom of three generations.
Export and supply to export companies for 20 years.


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