差动保护电流回路接线是否正确，可通过相量分析法和带负荷测六角图检验法进行判断。简要介绍这两种方法，并介绍了利用潮流方向验证六角图的方法。
The wiring correctness of differential protection current loop can be verified by using phasor analyzing method and on load test method. These two methods were described.
将管子弯头握住在位置上，图5，在压紧联轴节上六角顶部标注管道水平位置。
Hold tube bend in position, Fig. 5, and mark tube on level with top of hex on compression coupling. Cut off tube at this mark.
如果要调节阀门的设置，则利用六角扳手松开锁紧帽螺丝，参阅图3。
To adjust the setting of the valve, loosen locking cap screw with hex wrench, see Figure 3.
应用推荐