When frequency converter and PLC is at fault, automatic switch to the original soft start work frequency power operation, ark to ensure the normal work of the compressor.
当变频器及PLC发生故障时，自动切换到原软启动柜工频电源运行，以保证压缩机的正常工作。
Automatic switch, and simple operation procedure, can reduce power consumption.
自动开关，以及简便的操作程序，能够减少电能的消耗。
The WATSN series automatic transferring switch of power supply (ATS) and its structure features as well as main specifications were introduced, especially the operating principle of the controller.
系统地介绍了施耐德万高公司生产的WATSN系列自动转换开关（ATS）的结构及特点、性能指标及主要技术参数等，并着重阐述了其控制器的工作原理。
It can not only realize conventional spare power source automatic switch-in, but also realize system automatic recovery.
不仅可实现常规备用电源自动投入的功能，还可实现系统的自动恢复。
This paper discussed the principle of an automatic switch for power source reserve with computer.
论述了微机式备用电源自动投切装置工作原理。
The operating principle, structure features and main specifications of SQ30Z series intelligent automatic transferring switch of power supply were introduced.
介绍了最新开发的SQ3 0 Z系列智能型自动转换开关的工作原理、结构、性能特点和主要技术参数。
Meanwhile the related issues of the use of spare power source automatic switch are discussed.
同时对备自投装置使用中存在的一些问题提出了参考意见。
A new standby power source automatic switch system lives up to design requirements and is a reference for.
改造后的备用电源自投系统效果达到了设计要求，为同类型问题的解决提供了参考。
In the end, this article does a further analysis to the principles of the switch Mode Power Supply, compared the manual and the automatic switch control and got their respective control diagram.
进一步对电源系统切换控制的原理进行了分析，比较了手动和自动切换控制，并给出了各自的控制框图。
In the scope of internal limits maximum rated current power, Electricity can transfer data bidirectional, Electricity is zero, automatic switch off.
在额定电流范围内能限制最大使用功率；电卡能双向传递数据；电量为零时，自动拉闸断电。
As the mechanical switch has no function of automatic locking and returning to zero in power failure, there exists some potential danger when used in places where safety is called for.
机械式电源开关不具备停电自锁和断电回零等功能，在一些特殊的安全要求较高的场所，使用这种开关也存在着一定的安全隐患。
The utility model discloses a fixed quantity power supply automatic safety switch device which is suitable for the fixed quantity power supply of a room.
本实用新型公开了一种定量供电自动保险开关装置。
We owns various advanced production facility and inspection equipment, such as wave crest solder, hot wind flow solder, ultrasonic and full-automatic switch power supply test instrument.
公司拥有各种先进的生产设备和检测设备，如进口波峰焊、全热风回流焊、超声波及全自动开关电源测试仪。
In this paper, we designed and developed a digital automatic switch device of standby power supply based on DSP and ARM.
本文设计和开发了一种基于DSP和ARM的数字式备用电源自动投入装置。
The automatic switch device of standby power supply is an effective method to solve this problem.
备用电源自投装置便是解决这一问题的有效手段。
The automatic switch device of standby power supply is an effective method to solve this problem.
备用电源自投装置便是解决这一问题的有效手段。
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