3 phase permanent magnet synchronous motor VFC
I.Product Introduction
This three-phase permanent magnet synchronous motor frequency converter is independently developed and produced by Lishui City Hengli Automation Technology Co., LTD. As a high-performance 3 phase permanent magnet synchronous motor VFC, it is suitable for speed regulation control of general machinery such as fans, water pumps and conveyors. The product can precisely adjust the motor speed, realize soft start and soft stop, effectively reduce the equipment startup impact; it also supports the connection of braking resistors to achieve rapid parking, which is widely applicable to the power regulation needs of various industrial scenarios.
II.Product Introduction & Feature Summary
1.Fundamental Operation Principle
The core working process of this 3 phase permanent magnet synchronous motor VFC produced by Lishui City Hengli Automation Technology Co., LTD is the power conversion of "rectification-filter-inversion". The product first converts the grid input power frequency AC into DC, and after filtering, converts it into AC with adjustable frequency and voltage through the inverter unit, which perfectly adapts to the characteristics of 3 phase permanent magnet synchronous motor VFCsynchronous motors--using permanent magnets for excitation without additional excitation current, thus precisely controlling the motor speed and torque.
At the same time, the product is equipped with a braking unit and a braking resistor. When the motor decelerates or stops, regenerative electric energy is generated. The braking unit can guide this part of electric energy into the braking resistor for consumption, avoiding interference caused by energy feedback to the power grid, and finally realizing fast and stable motor parking.
2.Our Advantages
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Advantage Category |
Advantage Description |
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Complete and Open Functions |
Supports practical functions such as terminal start/stop and timing control, and can be flexibly connected with braking resistors to achieve rapid parking. It effectively solves the pain points of similar products, such as lack of terminal start/stop functions and insufficient load-energy efficiency matching, and is suitable for multi-scenario industrial needs. |
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Easy and User-Friendly Operation |
Equipped with a local operation keyboard with clear key functions (such as PRG key to enter the menu with one click, RUN key to start the equipment, etc.). The parameter debugging is intuitive and easy to understand, and it can be quickly mastered without professional technicians, greatly reducing the operation threshold. |
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Reliability and Quality Control Assurance |
It undergoes multiple rounds of strict tests before leaving the factory, including high-temperature aging test and load operation test. The hardware configuration and cooling system are designed according to the long-term operation standard of rated load, ensuring better product stability and longer service life. |
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Adaptability and Expandability |
Supports wide voltage input (340~460V) and high-frequency output (0~5000Hz), which can adapt to different power grid environments and high-speed drive scenarios; it also supports three-phase 380V (and 220V) voltage input, compatible with various motor types. The product can be flexibly matched with encoders, braking resistors and other accessories to meet the functional expansion needs under different working conditions. |
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Compact and Efficient |
With a compact body (taking the 7.5kW model as an example, dimensions: 241.5×140×178.8mm), it occupies small installation space and is easy to integrate into various control cabinets; it supports braking resistor expansion, with stable and reliable braking performance, balancing installation convenience and operation efficiency. |
3.Functions & Selection Recommendations
(1)Core Functions
The core functions of the product include motor speed regulation, soft start/stop, regenerative braking, and custom parameter debugging. It can realize precise control of permanent magnet synchronous motors and meet the power regulation needs of various general machinery such as fans, water pumps, conveyors and machine tools.
(2)Selection Recommendations
· Select the corresponding model of frequency converter according to the motor power (e.g., 7.5kW motor is compatible with 7.5kW model) to ensure power matching and avoid overload operation;
· If rapid motor braking is required, it is recommended to match the corresponding specification of braking resistor (e.g., 7.5kW/380V model is compatible with 1000W/75Ω resistor);
· Small-power models (0.4~2.2kW) adopt a compact design, suitable for space-constrained scenarios; high-power models (above 7.5kW) are selected according to the installation size to ensure installation and cooling needs.
III.Supporting Products & Applications
1.Supporting Products
· Corresponding power braking resistors: enhance braking performance and realize rapid parking;
· Motor encoders: improve motor speed regulation accuracy and realize more precise speed control;
· Control cabinet installation accessories: including fixing brackets, terminals, etc., facilitating product integration and installation.
2.Application Scenarios
Suitable for precise speed regulation of CNC machine tools, printing and packaging machinery, conveyors and other equipment in European and American manufacturing industries, improving production efficiency and processing accuracy;
Suitable for photovoltaic/wind power projects in Europe, America and Southeast Asia for grid connection control; it can also be applied to small hydropower plants in countries such as the Czech Republic, adapting to permanent magnet generators to realize variable-speed power generation;
It can be used in oil drilling rigs, port hoisting equipment (such as European port hoisting machinery), mining machinery, etc., to realize remote mining area power control and precise speed regulation of heavy equipment;
It is used for energy-saving speed regulation transformation of general loads such as fans, water pumps and air compressors in European and American factories, reducing energy consumption costs;
Suitable for power stability control of data center UPS systems and communication base stations, as well as power conversion of some EV charging facilities, ensuring the stable operation of infrastructure.
IV.Certificates & Compliance
This product is produced in strict accordance with international industrial standards, has passed multiple international certifications such as CE , and complies with the safety, environmental protection and electromagnetic compatibility (EMC) requirements of overseas markets such as Europe and America, ensuring the compliant sales and use of the product worldwide.
V.Packaging & Logistics
We cooperate with world-renowned logistics service providers (such as DHL, FedEx, UPS, etc.) to provide door-to-door logistics services, supporting delivery to most regions of the world. According to the customer's region and order quantity, we also support transportation methods such as sea freight, air freight, and railway delivery.We will select the optimal logistics plan to ensure the fast and safe delivery of products.
VI.Contact Us
Manufacturer :Lishui City Hengli Automation Technology Co., LTD
Email: admin@hengli-hltnc.com
Whatsapp: +86 13884328311
WeChat: 18767839274
https://www.youtube.com/@HLTNC
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