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The main circuit is the power conversion part that provides voltage regulation and frequency modulation power supply for asynchronous motors. The main circuit of frequency converters can be generally divided into two types:
Voltage type is a frequency converter that converts the DC of the voltage source into AC, and the filtering of the DC circuit is a capacitor.
Current type is a frequency converter that converts the DC of the current source into AC, and its DC circuit filtering is inductance. It consists of three parts: a "rectifier" that converts power frequency power into DC power, a "smoothing circuit" that absorbs voltage fluctuations generated by converters and inverters, and an "inverter" that converts DC power into AC power.
And up to 200% overload capacity, providing strong environmental adaptability for frequency converters.
In terms of usage, its rotary shuttle design and clear menu format significantly simplify operation.
Product characteristics:
Three phase 380V 2.2KW, rated current 6.0A.
Support multiple control methods such as SVPWM, V/F control, vector control, etc.
Built in PID controller.
Built in RFI filter.
2.2 KW (400V level) and above with built-in brake chopper.
Built in dual Modbus interfaces.
Support rail installation.
Up to 650 Hz output.
Including fault diagnosis and history recording functions, user-friendly operation interface, diverse communication interfaces, as well as practical functions such as multiple braking, incoming call restart, and 0 millisecond frequency conversion/power frequency switching
Durable energy-saving benefits
The overall energy savings that meet user requirements are ≥ 15%, and the actual energy-saving benefits can reach up to 30%
Vertiv ™ The MegaVert series medium voltage frequency converters have ultra-high stability, effectively withstanding the dual attacks of extreme physical and electrical environments, and can be delivered quickly. While ensuring the economic benefits of enterprises, they help industries achieve green transformation. Since 2010, we have successfully served over 100 steel enterprises across the country and received unanimous praise and trust from our customers.
About Dimensions
Lingyuan Steel
Handan Iron and Steel Group Co., Ltd
Established in 1958 as a "Fortune Global 500 Enterprise"
Number of frequency converters: 4+units
Start time: 2013
Project achievements:
Since 2013 Vertiv ™ The MegaVert medium voltage frequency converter has been in safe operation for nearly 10 years in the complex electrical environment of large-scale ironmaking plants; And this year, with the overall relocation of the factory to a new installation site, it still stably drives other fans to continue serving.
Contact information: 15359293870
WhatsApp:+86 15359293870
Contact person: KELLY
Email: geabbdcs@gmail.com 386353502@qq.com
Official website: 
4 digital inputs, 1 analog input, and 1 relay output.
Product specifications:
Starting torque: 180% at 3 Hz, 200% at 5 Hz (vector)
Carrier frequency: 1-15 KHz
Control method: SVPWM, V/F control, magnetic flux vector control
Output frequency: 0-650.00 Hz
Starting torque: 180% at 3 Hz, 200% at 5 Hz (flux vector)
Protection function: output short circuit, overcurrent/voltage, low voltage, motor overheating, IGBT overheating, grounding/leakage, communication abnormality protection
Cooling method: 0.4KW product natural cooling, other air cooling
Display functions: output frequency, output current, output voltage, output power, alarm recording (up to 12 sets), etc
LED light: frequency monitoring, voltage monitoring, current monitoring, motor operation indication, control mode indication, external operation panel indication
Surrounding temperature: -10~+50 ℃ (unfrozen)
Surrounding humidity: below 90% Rh (without condensation)
Storage temperature: -20~+65 ℃
Protection level: IP20
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