The proper earthing of the shielded layer of cable in HV substation plays an important part in reducing electromagnetic interference to the microcomputer-based secondary facilities.
高压变电所内屏蔽电缆屏蔽层的正确接地，对降低外部电磁场对微机型二次设备的干扰水平，起着重要作用。
2
The major interference sources are secondary electric power supply, electric spark and cable, And then some methods of interference suppression are given.
并详细给出二次电源电磁干扰的抑制方案，并简单介绍了发动机电火花和电缆的抗电磁干扰方案。
3
Among the factors that affect the spider communities of original secondary forest, people's interference is the strongest one.