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新莆京股份

CHINSC

节能环保 绿色科技 和谐发展 造福人类

19

2017

-

09

新莆京变频器EPS解决方案

作者:


  一、引言

  EPS(Emergency Power Supply)是应急电源的英文字头缩写。EPS广泛应用于工业与民用建筑等发生突然的断电事故会给正常的生产、生活造成重大的经济损失的重要供电负荷,是现代建筑安全保障设施的重要组成部分。EPS一般情况是作为消防或生产在紧急情况下使用的后备支持电源。例如在高层建筑、商场、医院、轨道交通、地下商场等地方人员多、出口少,带来的后果将不堪设想。同时消防队伍会因为缺少电源供应而无法施展灾害救助工作,如此更加重了灾害的程度。可见EPS对现代社会的安全发挥越来越重要的作用,是“城市生命线系统”的守护神。

  目前EPS采用的控制方式和控制手段不同,针对EPS所带的负载可以归纳三种:

  一是主要用于应急照明和事故照明的EPS;

  二是除了应急照明、事故照明之外,还有应用于空调、电梯、卷帘门、排气风机、水泵等混合负载的三相系列EPS;

  三是直接给电动机供电的变频系列EPS。本文介绍的是最全面的混合负载三相系列EPS供电。

  二、基于新莆京SVF-EV系列变频器的EPS系统中的应用

  新莆京EPS解决方案主要是利用变频器担当了消防系统风机水泵卷帘门的逆变交流电机驱动功能。新莆京EPS专用变频器能够真正的实现共直流母线的连接,从而不仅能够应用于EPS行业,也可以用于化纤、玻璃制造行业中。可以实现输入输出相位相同。从而满足了特殊场合的应用。针对EPS行业电机驱动的特殊性,SVF-EV系列变频器主要增加自动转矩补偿、转矩补偿限制、异常再启动等参数,来满足特殊行业需求。与变频器相配套的EPS充电模块为客户降低的成本,减少了沉重的变压器,降低了运输费用。

  2.1EPS专用机的整体概述

  新莆京EPS专用机的一个主要特点就是能够实现共直流母线,从而扩展了EPS专用机的应用区域。同时内部的接触器和散热风扇部分电路的直流化满足了EPS专用机的电池直接启动的需求。新莆京EPS专用变频器通过搭配适当低频率波器和变压器,能够构成可靠性很高的混合负载专用逆变器。并且保证逆变器的输出电压稳定性和波形平滑性。新莆京EPS应急电源专用变频器能满足EPS行业的绝大部分场合的应用,是EPS厂家首选的一款的专用性变频器。

  2.2新莆京EPS专用变频器的功能特色

  (1)变频器的控制电源、接触器都是采用了直流化,因此可以完全实现直接直流供电。

  (2)超强的硬件和软件保护功能,保证了变频器可靠性。

  (3)内含多种调制方式,从而能够适用多种变压器,从而保证了输出端电压波形更接近于正弦波。

  (4)新莆京EPS专用变频器有AC380V,AC220V两种规格,功率范围从0—220KW,可以满足客户不同场合的需求。

  2.3新莆京EPS专用变频器应用设计

  电路原理设计。交流直流双供电EPS原理。

  三、结束语

  新莆京EPS专用变频器真正实现了客制化服务,完全根据EPS行业的技术特点而开发,满足了EPS行业客户的需求。新莆京变频器以其严格品质管理和较高的性价比受到了用户的好评。通过新莆京的品质管理,优良的性能以及强大的技术支持能力真正实现了客制化服务。

这里是占位文字

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