Available for three phases , three lines series power supply equipments , designed for military use according to customers ' demand 适用于三相三线制供电设备。可根据用户需求定制军用级滤波器。
Note1 : 4896 9648 two model instrument , if input signal wiring is tri - phase three - wire , then it without alarm function 电流： 0 5a注1 ： 4896 9648两种型号的仪表，输入信号接线为三相三线制时不带报警功能。
This paper analyses the reason that neutral voltage is not zero when linear three - phase system load connects to three - phase three - wire system source in y connection . the resolution is also given 摘要分析了线性三相负载y联接在三相三线制电源时，中点电位不为零的原因，并通过计算进行了验证，给出了解决的方法。
Second is store circuit composed by single - chip microcomputer - at89c51 and eeprom - at93c66 . the third is sample circuit composed by three digital temperature sensor - ds1820 . the final is output circuit At93c66是三线制microwire串行总线的eeprom ，在控制系统中用于存储用户的各种设定值和当前的工作状态(车厢温度、比例系数k _ u等) 。
The new standpoint that ip - iq detecting method based on three - phase three - wire system can be directly used in three - phase four - wire system is presented and proved . generalized harmful currents compensation based on multilevel converter and multi - band hysteresis pulse width modulation with timer are presented 提出并证明了基于三相三线制系统的ip - iq检测法可直接用于不平衡三相四线制系统有害电流的检测，无需事先剔除零序电流的新观点。
