Editing Overvoltage and undervoltage faults
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Scenarios where returned energy is causing the rise of HV DC bus voltage: | Scenarios where returned energy is causing the rise of HV DC bus voltage: | ||
*Deceleration of motor speed when there is significant amount of energy stored in mechanical motion (rotating inertia or moving mass). This typically occurs with spindles and linear axes. | *Deceleration of motor speed when there is significant amount of energy stored in mechanical motion (rotating inertia or moving mass). This typically occurs with spindles and linear axes. | ||
− | *Sudden reversal of torque [[setpoint]]. This can generate voltage spike even when motor is standing still. This typically occurs in high bandwidth torque control applications (such as | + | *Sudden reversal of torque [[setpoint]]. This can generate voltage spike even when motor is standing still. This typically occurs in high bandwidth torque control applications (such as racing simulators). These spikes are very short and an added capacitor to HV DC bus and/or low resistance regenerative resistor might provide a solution. |
<gallery widths="330px" heights="500px"> | <gallery widths="330px" heights="500px"> | ||
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= See also = | = See also = | ||
* [[Configuring drive voltage limits FUV and FOV]] | * [[Configuring drive voltage limits FUV and FOV]] | ||
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