... Contactor：开关 Service Switch：检修开关 Battery Monitoring & Balancing：电池监视和容量平衡 ...
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研究了微机中具有代表性的半桥脉宽式开关电源的电路原理和特点，提出了简捷、合理的检修方法和步骤，以及关键测试点的经验数据和波形图。
The circuit principle and features of the typical half - bridge switching power source, the reasonable overhauling methods and steps and the key test data waveshapes in computer are discussed.
QF3为检修电源开关。
主电板地汇流排系统应配有隔离开关，这样，即使汇流排的任一区段发生故障时，我们可以检修，而不影响船舶的航行。
The busbar system of the main switchboard should be equipped with isolators. In this way, if any busbar section is in trouble, we may overhaul the board, which will not affect the ship's navigation.
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