ID = KI line
VD = IDR
In the formula, ID refers to the DC current required for energy braking.
VD represents the DC voltage needed for energy braking.
R is the resistance between any two of the three incoming wires of the motor.
K is a coefficient typically set between 3.5 and 4.
This coefficient accounts for the heating condition of the motor windings and ensures the motor has a satisfactory braking effect.
The value of K is often based on the multiple of the excitation current.
When the transmission coefficient is high, the K value tends to be larger.
It's also possible to cap the K value depending on design requirements.
When designing or selecting a rectified power transformer, a 10% tapped transformer can be used.
According to the above formula, if the motor's penetration isn't too large, the braking time usually doesn't exceed 2 seconds.
This information is crucial for engineers and technicians working with motor control systems and energy recovery mechanisms.
Understanding these parameters helps in optimizing performance and ensuring system safety during braking operations.
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