DC reactors are designed for the DC bus section of variable frequency drives (VFDs), inverters, and UPS systems. Their primary functions are to smooth DC current, suppress harmonics, and limit short-circuit current.The products use either amorphous cores or ferrite cores combined with copper foil winding technology. They offer low loss, high efficiency, and low temperature rise. These features help improve system power factor and overall reliability.
Applications
🏭Variable Frequency Drives (VFDs)
- DC bus filtering
- Harmonic suppression
- Power factor improvement
☀️Solar Inverters
- DC-side filtering
- Smoothing PV array output current
🔋Energy Storage Systems
- DC filtering between batteries and inverters
⚡UPS Systems
- DC bus ripple suppression
🚗EV Charging Stations
- DC filtering after rectification
🔌Active Power Filters (APF)
- DC-side support reactor
Series in this family
| Product Series | 1.DC reactors ✉ |
📧Frequently Asked Questions
Q1. What is the function of a DC reactor in a VFD?
A DC reactor is installed in the DC bus section of a variable frequency drive.Its main functions are:
- Smoothing DC current ripple
- Suppressing harmonics
- Limiting the rise rate of short-circuit current
- Improving input-side power factor
- Protecting the rectifier bridge and filter capacitors
Q2. What is the difference between a DC reactor and an AC input reactor?
A DC reactor is installed on the DC bus between the rectifier and the inverter. Its primary function is to smooth DC ripple current.
An AC input reactor is installed on the power input side. It is used to suppress input harmonics and limit inrush current.
The two products perform different functions and complement each other. They are not interchangeable.
Q3. Do you support customization? What information is required?
Yes. Fully customized solutions are available.Please provide the following parameters:
- Rated current (A)
- Inductance value (mH or µH)
- Switching frequency (kHz)
- Insulation class
- Mounting size limitations
- Operating ambient temperature
Application details
Our engineering team will design a solution based on your requirements.
Shinhom is dedicated to setting a high bar of excellence for industries that integrate or utilize magnetics technologies in our DC reactors products.
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