1) Secondary voltage drop of the potential transformer
PT二次回路电压降
2) PT secondary voltage drop
PT二次压降
1.
Design and research of PT secondary voltage drop monitoring system based on PLC and GPS;
一种新型测量模式的PT二次压降监测系统的设计
2.
The PT secondary voltage drop of electric energy meters has its adverse effect on the accuracy of electric energy measurements, and according to the survey conducted in Heilongjiang in 1997, only 12% of them were acceptable.
电能表PT二次压降影响电能计量的准确性 ,据调查 ,黑龙江省 1997年其合格率仅为 12 % ,为贯彻实施厂网分开、竞价上网的政策 ,改造迫在眉睫。
3.
In order to cancel abuses of traditional modes in PT secondary voltage drop measurement by manual routing,a PT secondary voltage drop monitoring device based on PLC techniques and the using of GPS timing is developed.
为了打破现有的人工拉线对PT二次压降进行测量的传统模式所存在的种种弊端,设计了一种基于低压电力线载波通信(PLC)技术和利用GPS授时作为同步时间源的PT二次压降监测装置。
3) PT secondary circuit
PT二次回路
1.
The effects of PT secondary circuit on relay protection and measurement were analyzed by an example and the improving measures were set forward.
引用实例分析了PT二次回路对继电保护和计量的影响,并提出了改进措施。
4) secondary circuit voltage drop
二次回路压降
1.
In order to solve the problem of low accuracy in the voltage transformer secondary circuit voltage drop indirect measurement,a new wireless measuring method was introduced.
针对电压互感器二次回路压降间接测量法误差大的问题,提出了一种新的无线测量方法。
补充资料：二次回路
在电气系统中由互感器的次级绕组、测量监视仪器、继电器、自动装置等通过控制电缆联成的电路。用以控制、保护、调节、测量和监视一次回路中各参数和各元件的工作状况。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条