Y voltage 相电压
valley y voltage 谷值电压
y- reducing voltage start y△降压起动
y- reducing voltage starting y△降压起动
In most applications, the graph shows how signals change over time: the vertical (Y) axis represents voltage and the horizontal (x) axis represents time.
在大多数应用中，图形显示信号随时间而变化：垂直(y)轴表示电压和横向(x)轴代表时间。
The existence of two discharge modes named a and y mode were found under specific conditions, the holding voltage of two discharge modes are different in different gas pressure.
在一定的条件下，特别放电气压条件适当时，两种放电模式可以共存，其物理原因是两种放电模式的维持电压在不同气压下相对大小不同。
Y series three phase induction motor (380v IP23) is low voltage motor for normal use. The basic protection class are IP23, insulation class is b.
系列三相异步电动机(380 V IP23)是一般用途的低压三相笼型异步电动机，基本防护等级为IP23、绝缘等级为B级。
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