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2、运行可靠:变频器恒压供水控制器系统实现了系统供水压力稳定,由变频器实现泵的软起动,使水泵实现由工频到变频的无冲击切换,防止管网冲击、避免管网压力超限,管道破裂。
3、卫生节水:根据实际用水情况设定管网压力,自动控制水泵出水量,减少了水的跑、漏现象;系统实行闭环供水后,用户的水全部由管道直接供给,取消了水塔、天面水池、气压罐等设施,避免了用水的“二次污染”,取消了水池定期清理的工作。
4、控制灵活:分段供水,定时供水,手动选择工作方式。
5、自我保护功能完善,变量模式运行:新型的小区变频器恒压供水系统具备了过流、过压、欠压、欠相、短路保护、瞬时停电保护、过载、失速保护、低液位保护、主泵定时轮换控制等功能,功能完善,全自动控制,自动运行,泵房不设岗位,只需派人定期检查、保养如某台泵出现故障,主动向上位机发出报警信息,同时启动备用泵,以维持供水平衡。万一自控系统出现故障,用户可以直接操作手动系统,以保护供水。
6、定量模式运行,延长设备寿命、保护电网稳定:使用恒压供水变频器后,机泵的转速不再是长期维持额定转速运行,减少了机械磨损,降低了机泵故障率,而且主泵定时轮换控制功能自动定时轮换主泵运行,保证各泵磨损均匀且不锈死,延长了机泵使用寿命。变频器的无级调速运行,实现了机泵软启动,避免了电机开停时的大电流对电机线圈和电网的冲击,消除了水泵的水锤效应。
变频器在恒压供水上的应用详情还可以参考变频恒压供水控制器接线原理图
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变频器选型(—表示无此功能, √ 表示支持该功能)
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德力西变频器主要先把工频交流电源通过整流器转换成直流电源,再把直流电源转换成频率、电压均可控制的交流电源以供给电机,德力西变频器厂家销售的这款设备广泛应用于运输仓储行业,民用行业,钢铁行业,纺织行业,建筑行业,化工等多个行业。德力西变频器具有三大优势:
1.性能优越
采用全新的矢量控制算法,启动转矩大、转矩响应快、控制精度高, 进一步提高电机的运行效率
2.功能强大使用成本低
内置大量的功能模块包括定时器、虚拟延时继电器、运算模块等,相当于附加了一个小型PLC。大大降低了客户的使用成本
3.使用方便
内置专用机功能,通过一个功能码,客户可以方便地实现普通机和专用机的转换。方便客户选型、灵活使用
![](https://img.alicdn.com/imgextra/i2/2161879068/TB2VyxdmXXXXXbvXpXXXXXXXXXX_!!2161879068.jpg)
德力西变频器E180系列型号参考:
![](http://www.delixidrive.com/uploads/allimg/160420/1-160420122G1B8.png)
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