Elements may be connected in parallel , series , or combination thereof . parallel connections are preferred 这些硅碳棒可以是并联的，串连的，或者是将串并联混联的。通常采用并联。
Be based on distribution automation , the probability and feasibility of the parallel connection of arc - extinction coils is analyzed 在配网自动化的基础上分析了消弧线圈并联运行的可能性和可行性。
When using outdoor , the module will be made waterproofed , and each module can be parallel connection or connect in series Led灯条用做户外产品时，相关产品需做防水处理！模条之间的连接方式为串并联！
Three phase parallel connection heating cables are suitable forthethermal insulation of pipes with big diameters , pipe lines in nets and tanks 三相并联带一般适用于大管径，管网系统管线和罐体的伴热保温。
In order to meet the request for power , four same types of silicon rectified direct current powers were used after series - parallel connection 为满足功率的要求，选用四台同型号的硅整流直流电源串并联使用。
Based on the above , parallel connection circuit including mutual inductance is studied to get the condition for realizing parallel - resonance 在此基础上，对包含互感元件的并联谐振电路进行研究，得到实现并联谐振的条件。
Same phase inverse parallel connection ' s three - phase bridge thyristor rectifier assembly was researched mainly the application in the chlorine - alkali industry 本论文主要研究了同相逆并联三相桥式晶闸管整流装置在氯碱工业中的应用。
Parallel connections are preferred because if the resistance of one or more elements increases , its portion of the load will be reduced and the group will remain in balance 通常采用并联电路，因为如果增加一个或者多个电阻阻值，部分负载可以减少并且可以保持平衡。
Earthquack is a serious natural disaster . sometimes , secondary disaster indirect disaster parallel connection disaster which is more serious than earthquack happens 地震是一种严重的自然灾害，而且有时伴生的次生灾害、间接灾害或并联灾害很可能比地震的直接灾害更为严重。
In this paper , the problem of the parallel connection of arc - extinction coils that is caused by the connection of substations in mv distribution systems is especially analyzed and studied 本文对配电网站与站之间的牵手运行所导致的消弧线圈并联运行问题进行深入的分析与研究。
