微机消谐装置特点
微机消谐装置特点
Characteristics of microcomputer harmonic elimination device
(1)数据采集、运算、逻辑判断、控制输出等速度快,精度高,抗干扰、自检及自恢复能力强; (2)综合国内各种先进技术,多年的现场运行经验,性能稳定,安全可靠;
(1) the speed of data acquisition, operation, logic judgment, control output and so on is fast, high precision, anti-interference, self inspection and self recovery ability; (2) comprehensive domestic advanced technology, years of field operation experience, stable performance, safe and reliable;
(3)采用液晶显示器(LCD),中文菜单,显示信息直观;
(3) use liquid crystal display (LCD), Chinese menu, and display information intuitively;
(4)实时显示PT开口三角电压4种频率(3分频/17Hz、2分频/25Hz、工频/50Hz、3倍频/150Hz)的电压分量;
(4) real-time display the voltage components of PT open delta voltage at 4 frequencies (3 frequency /17Hz, 2 frequency division /25Hz, power frequency /50Hz, 3 frequency doubling /150Hz).
(5)可以判别过电压、铁磁谐振以及单相接地,并对铁磁谐振迅速消除;对各种故障均可给出告警信号并显示、打印和保存有关信息;并可以及时打印输出故障报告(故障类型、故障时间及PT开口三角电压4种频率的电压分量);
(5) the overvoltage, ferromagnetic resonance and single-phase grounding can be discriminated, and ferromagnetic resonance can be eliminated quickly; alarm signals can be displayed, printed and stored for various faults, and the output fault report (fault type, fault time and voltage component of 4 frequencies of PT opening triangle voltage) can be printed in time.
(6)有记忆功能,可存储4次最近发生的故障信息,掉电后不丢失;
(6) with memory function, it can store 4 recent fault information and do not lose after power failure.
(7)采用大功率、无触点消谐元件,启动迅速;
(7) use high-power, contactless harmonic elimination elements to start quickly.
(8)调试和维护简单、方便;
(8) the debugging and maintenance are simple and convenient.
(9)适用于各种电压等级的PT;
(9) PT suitable for various voltage levels;
(10)可配置通信接口把各种故障信息传送至有关部门,适用于无人职守变电站
(10) the configuration of communication interface can transmit all kinds of fault information to relevant departments, which is suitable for unattended substation.
(11)使用固态继电器,动作可靠,不易损坏,解决了使用电阻在大电流时易损坏的缺点
(11) the use of solid state relay, reliable action, not easy to damage, to solve the use of resistance in large current, easy to damage shortcomings.