How to ensure EMC under vibration and shock in a PCS (Power Concentration System) energy storage system?

PCS (Precast Concrete System) may be subjected to vibration and shock during transportation, installation, or operation, which can affect its long-term EMC performance reliability. Guarantee measures include:

1. Mechanical reinforcement: Securely mechanically fasten all EMC-related components. For example, use screws and anti-loosening washers to secure common-mode inductors and filter modules to prevent poor contact or detachment due to vibration.

2. Connection reliability: Ensure all grounding connections (grounding busbars, grounding terminals), shielding overlaps, and cable joints do not loosen under vibration. Using crimped, soldered, or locking connectors is superior to screw crimping alone.

3. PCB reinforcement: For PCBs containing large magnetic components or capacitors, add support points or use adhesives for reinforcement to prevent solder joints from cracking due to vibration fatigue.

4. Cable securing: Internal and external cables should be reliably secured using cable ties and clips to prevent insulation damage or noise generation due to vibration friction.

5. Material fatigue resistance: Select shielding padding materials with good elasticity and fatigue resistance. Vibration and shock testing should be conducted during the design phase to expose potential problems.