Introduction of the FW series three-phase common mode choke coil SPICE model
Below, we introduce SPICE model for the FW series
three-phase common mode choke coil (hereinafter abbreviated to "FW three-phase common”)
Fig.1 shows a FW three-phase common model that accounts for parasitic components such as core loss and inter-winding capacitance in the FW three-phase common coil.
The FW three-phase common model has a structure that expands the FW series single-phase common model to three phases, providing improved reproducibility of impedance characteristics.
Fig.2 is a graph comparing the impedance frequency characteristics of the FW three-phase common coil
between the actual measurement values and the simulation using this model.
From this graph, we can see that this model can reproduce the characteristics close to the actual measurement. Fig.3 shows the three-phase common mode impedance measurement method.
By using this model, it is possible to simulate the filter characteristics of a three-phase noise filter using a FW three-phase common coil.
We hope customers will use this as a tool for selecting the optimum FW three-phase common coil when designing a three-phase noise filter, etc.
Fig.2 FW series three-phase common mode choke coil
(Part No.: LDFW020502Y72H0E)
Fig.1 shows a FW three-phase common model that accounts for parasitic components such as core loss and inter-winding capacitance in the FW three-phase common coil.
The FW three-phase common model has a structure that expands the FW series single-phase common model to three phases, providing improved reproducibility of impedance characteristics.
(Remarks)
For details about the FW series frequency characteristics and the SPICE model, refer to our FAQ site "Common mode choke coils FW, FL-V series SPICE models".
For details about the FW series frequency characteristics and the SPICE model, refer to our FAQ site "Common mode choke coils FW, FL-V series SPICE models".
 three-phase common mode
choke coil |
 |
 |
| Fig.1 FW series three-phase common mode choke coil model |
From this graph, we can see that this model can reproduce the characteristics close to the actual measurement. Fig.3 shows the three-phase common mode impedance measurement method.
By using this model, it is possible to simulate the filter characteristics of a three-phase noise filter using a FW three-phase common coil.
We hope customers will use this as a tool for selecting the optimum FW three-phase common coil when designing a three-phase noise filter, etc.
Fig.2 FW series three-phase common mode choke coil(Part No.: LDFW020502Y72H0E)
Three-phase common mode impedance measured value and SPICE model comparison
Fig.3 Three-phase common mode impedance measurement method
Short the n1, n2, n3 terminals and the n4, n5, n6 terminals of the three-phase common coil, and measure both ends of the coil with an impedance analyzer, etc.
Precautions for using the FW series three-phase common mode choke coil SPICE model
- Target simulation reproducibility bandwidth up to about 30MHz.
- This SPICE model has been verified to work with OrCAD 9.2Lite Edition and OrCAD Capture CIS-Lite version 17.2.
- Due to the large number of terminals, pay attention to the pin assignment when creating a symbol file.
- It is not possible to simulate abnormal voltages and excessive currents that cause magnetic saturation of the core.
- Since this SPICE model is constructed from samples with standard characteristics, there may be discrepancies between simulations using this SPICE model and actual measurements due to variations in individual products.
Notes concerning the use of this document
- This document is reference data for the characteristics of the product and does not guarantee the characteristics of the product.
- To ensure correct and safe product use, do not rely on this document and, instead, make judgment after mounting the product and conducting tests.
- This document may be supplemented, revised, or modified without prior notice for improvement or other reasons.
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