How to resist interference in alternators

Generator Set Alternator interference may have a certain impact on circuits and systems. The following are some common methods to deal with motor interference:

Shielding: Shielding, such as a metal casing or shielded wire, can be added around a circuit or system to prevent electromagnetic waves radiated by the alternator from entering the circuit or system.

Filtering: Add appropriate filters, such as low-pass filters or band-stop filters, to the circuit to remove high-frequency components caused by motor interference.

Grounding: Proper grounding can reduce the impact of motor interference on circuits and systems. For example, before grounding, you should determine the grounding point and avoid high impedance in the ground loop.

Cable routing: When routing cables, attention should be paid to the route and distance of the cables to reduce the impact of electromagnetic interference. You can use methods such as staying away from the motor, reducing the length of the cable, and avoiding parallel wiring as much as possible.

Protection: For high-precision circuits and systems, protective measures such as metal shielding boxes and shielding covers can be used to reduce the impact of motor interference.

Special devices: There are some special devices that can be used to resist motor interference, such as differential mode amplifiers, optocoupler isolators, etc.

These methods can be used individually or in combination, depending on the circumstances.

Voltage stabilization: Add voltage stabilizing devices, such as voltage stabilizing diodes, voltage stabilizing chips, etc., to the circuit to ensure the stability of the circuit power supply and reduce the impact of motor interference.

Feedback: Adding a feedback control loop to the system can adjust the motor control signal in real time according to the system output signal to reduce the impact of motor interference.

Isolation: Use isolation technology, such as photoelectric isolation, transformer isolation, etc., to isolate interference between circuits and systems and motors.

Design: Consider the impact of motor interference in circuit and system design, and adopt reasonable circuit and system design solutions, such as reducing the number of coils and motor current, to reduce the impact of motor interference.

It should be noted that the above method does not completely eliminate the impact of alternator interference, but only reduces the impact of alternator interference. In practical applications, multiple factors should be considered comprehensively and appropriate measures should be taken to reduce the impact of motor interference.

Additionally, there are some common methods for specific types of motor interference:

Stepper generator interference: Use higher power supply voltage, reduce generator current, reduce step angle, improve the design of stepper generator driver, etc. to reduce stepper motor interference.

Brushless DC alternator interference: Use higher quality capacitors, use three-stage winding, and strengthen control of the motor magnetic field to reduce brushless DC alternator interference.

AC alternator interference: Use better motor design and control algorithms, use efficient inverter control, increase alternator damping and other methods to reduce AC motor interference.

To sum up, reducing the impact of generator interference requires comprehensive consideration of multiple factors and taking appropriate measures. In practical applications, the corresponding method should be selected according to the specific situation, and optimized and adjusted based on actual experience.