产品概述 Product description

PSTNsm系列大功率动态无功调节器由大功率反并联晶闸管模块、触发电路、保护电路、散热装置等组成。用于低压400V～800V系统容性负载的通断控制，无冲击涌流，无过压，运行时无噪音，允许频繁投切，安装、接线简单方便快捷，广泛用于快速频繁投切要求比较高的场所。

PSTNsm serial hi-power dynamic reactive regulator consists of hi-power reverse   parallel   thyrister   modular   touch   circuit,protection   circuit   and heat-radiator,which   are   used   to   control   low-voltage(400V-800V)system capacity   load,free   from   electric   surge,over-voltage,free   from    noise during operation,allowable for frequent switching run,convenient and fast installation and joint,so such products are widely used at such places that strictly require fast frequent switching.

功能特点 Function features

● 采用等电位过零投切技术，实现电压过零时导通、电流为零时切除，确保投入无冲击涌流、切除无过电压；

● 采用微处理芯片和智能软件，智能控制电容器开关投切；

● 选用优质大功率、高耐压（反向耐压1600V～4500V）可控硅模块，工作稳定可靠；

● 使用寿命长达10万小时，免维护，允许频繁投切，投切时间小于20ms；

● 具有过流，过热，缺相，超温闭锁保护功能；

● 结构设计紧凑；接线、安装方便，调试简单。

● Apply for equipotential zero switching technology enter into conductivity for zero voltage and switching off for zero current,assuring free electric surge at switching run,and free from over-voltage at switch-off run.

● Apply for microprocessor chip and intelligent software for intelligent control of capacitor switching works.

● Select   and   use    superior   and    hi-power   and   high-voltage resistant controllable silicone module,with stable and reliable works.

● Life of use for over 100,000h,free from maintenance,allowable for frequent switching,with switching of less than 20ms.

● Feature   as   over-current,over-heat,phase-short,high-temperature lockout protection functions.

● Compact design for structure:convenient connection and installation and simple commissioning.

详细参数 Teachnical data