1医院电磁兼容和电磁污染的现状近年来品种繁多的医疗电子设备进入各级医院，产生电磁污染等问题，直接影响诊断治疗效果。1．1医院供电现状（1）供电容量偏小。早期的医用建筑受当时客观条件限制，供电网络容量一般较小，在供电网络没扩容的情况下，由于医疗电子设备的大量 1 The status of hospital electromagnetic compatibility and electromagnetic pollution In recent years, a wide variety of medical electronic equipment has entered hospitals at all levels, resulting in electromagnetic pollution and other issues, directly affecting the diagnosis and treatment. 1.1 hospital power supply status (1) power supply capacity is too small. Early medical buildings were limited by the objective conditions at that time, and the power supply network capacity was generally small. In the absence of expansion of the power supply network, due to the large number of medical electronic devices