EVALUATION OF AC POWER QUALITY IN THE CLINICAL CENTER

医疗设备和临床化学设备的计算机化 由于空调质量不合格， 动力.临床中心的交流电源系统是在 20世纪60年代，计算机化设备出现之前。我们有 目睹了灭菌器和临床化学设备的故障 用于分析病人的血液和尿液样本。的故障 与电压骤降、浪涌和瞬变有关。在一些情况下 这些问题是由于电源调节设备选择不当， 浪涌抑制器和不间断电源。我们测试了一个 功率调节装置的数量，以及沿着制造商 解决了大量的电能质量问题。我们有 选择了几种能通过严格泄漏的浪涌抑制器 目前医院设备的需求。此外，我们还选择了 多个不间断电源和Transformer功率调节器 能够科普医院中经常遇到的电压骤降。 确保新的医疗设备在没有额外电源的情况下正常工作 我们参与临床试验的评估， 设备在购买前进行测试。

The computerization of medical equipment and clinical chemistry equipment has resulted in numerous malfunctions due to inadequate quality of AC power. The AC power system in the Clinical Center was designed in the 1960's before the advent of computerization of equipment. We have witnessed malfunctions of respirators and clinical chemistry equipment used to analyze blood and urine samples from patients. The malfunctions have been related to voltage sags, surges and transients. In some cases they were due to improper selection of power conditioning devices such as surge suppressors and uninterruptible power supplies. We have tested a number of power conditioning devices, and along with manufacturer recommendations, have solved numerous power quality problems. We have selected several surge suppressors which can pass the stringent leakage current requirement of hospital equipment. Additionally, we have selected several uninterruptible power supplies and transformer power conditioners able to cope with the frequent voltage sags encountered in the hospital. To assure new medical equipment can function properly without extra power conditioning we participate in evaluation of clinical trials where equipment is tested prior to purchase.