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FAQ

Can the HP laptop's power adapter be universal?

If the power adapter socket is the same as the output voltage can be common. But there are a few places to note, HP notebook power adapter output voltage there are many, the most common 19V and 18.5V, but even if the output voltage is the same, the output current may be different, that is, the output power is not the same , If your notebook needs a larger input power, then you have to use the match can be, the lower power may not make the battery normal use, and even harmful to the battery.

How does the spindle drive system of the inverter realize the positive and negative control of the main pole?

The general inverter has an external terminal control and communication control two modes optional, select one of them can be completed ah

What is the frequency converter used to do, why some motor with the inverter?

Speed control, there are speed requirements of the place are in the inverter

There is no inverter comes with simple PLC programming function

The PLC is programmed to handle digital and analog, the core of the entire control system. It can output the digital to the inverter, so that the inverter is reversing, you can output the analog to the inverter set speed, but also through the communication, direct control inverter

Lenovo laptop power adapter side of the feet which is positive

Very simple, look carefully on the power there is a symbol on the map (relatively small, carefully looking for all the regular power above the standard), as I shown below is the positive external, most of the power is like this , If the sign on the icon is anti, that is connected to the center of the black point is negative, that is negative inside the positive. This figure is also very intuitive.

What are the types of power adapter used in notebooks?

With the increasing popularity of notebook computers, the power requirements have increased. In addition, because the battery capacity (or density) increased, charging requirements also increased - so the laptop computer power requirements have doubled. However, larger and / or hoter power adapters are not an attractive option for millions of users who carry laptops around the world. Attractive is to have a compact, but instantly charged laptop adapter. Of course, it will not produce heat, and will not cost too much. In recent years, the development of electronic products has not increased the hope in this regard, and whether the future revolution can be achieved is still a pending issue. We also want to use a laptop adapter that can be used globally without the need for a 110/220 volt operating voltage selector switch - so the laptop adapter must be designed for truly universal line voltage operation. At the same time, regulators and OEM expectations also play a role.

Motor 2 pole and 4 pole in the inverter with what set to show

Motor parameters, there must be a parameter "motor pole" of the bar.

Is it possible to use a different laptop's power adapter?

It is recommended to use the original comes with the adapter, different adapter output voltage is not the same