7.5 Kw Solar Inverter

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FAQ

Is the speed of the motor controlled?

Slip motor is composed of ordinary squirrel cage asynchronous motor, electromagnetic slip clutch and electrical control device composed of three parts. Asynchronous motor, the stepper motor is used as the prime mover, and when it rotates, the armature of the clutch is rotated together. The electric control device is a device that provides the excitation current of the slip clutch excitation coil. Electromagnetic slip clutch, which includes armature, magnetic pole and excitation coil three parts.

Fuji inverter motor set the number of poles will not have any effect?

The number of motor poles corresponds to the speed of the motor, the number of poles is not set when the speed of the control error, in the high speed requirements of the transmission is not allowed.

Jd1a-40 motor speed controller and how to connect the motor

Third, cascade speed control method Cascade speed regulation refers to the winding motor in the rotor circuit in the adjustable additional potential to change the motor slip, to achieve the goal of speed. Most of the slip power is absorbed by the additional potential in series, and then an additional installation occurs, and the absorbed slip power is returned to the grid or converted to the energy. According to the slip power absorption application method, the cascade speed regulation can be divided into the motor cascade speed regulation, the mechanical cascade speed regulation and the thyristor cascade speed regulation situation, take the thyristor cascade speed regulation, Suitable for fans, pumps and rolling mills, mine hoists, extruders on the use. Fourth, winding motor rotor series resistance speed control method Fifth, the electromagnetic speed control motor speed method Six, hydraulic coupler speed control method This method is suitable for fan, pump speed.

My motor is a low frequency 8 pole motor, about 80W. I would like to choose a frequency converter

So small, with the domestic 400-watt, Shenzhen a lot

How to choose a power adapter

There are several principles for replacing the power adapter. 1. The voltage is the same or similar. Your computer's nominal input voltage is 16V, and the following adapter's rated output voltage is 20V, the difference is large, can not be replaced, may damage the computer. 2. The plug has the same polarity. Your notebook marked on the polarity of the mark is inside and outside the negative, that the adapter I really can not see what is the polarity of the label, you take a closer look if the symbols and notes on the notebook is not the same, it is absolutely not. 3. The rated output current of the power adapter can not be less than the rated input current of the computer. Your computer marked the maximum input current is 3.36A, then you buy the power adapter when you want to buy the output current greater than or equal to 3.36A, the bigger the better, but the greater the output current that the greater the rated power, too much Waste, and very cumbersome, generally slightly larger than on the line, leaving some margin.

Can the laptop 1.3a power adapter be used on a 1.5a device?

No, use a power adapter that is equal to or slightly larger than 1.5a.

Is the laptop power adapter high temperature normal? Is there anything else?

In the power to hit the radiator is very troublesome, it is recommended to place in a ventilated place, do not put on the paint above the table, it is best on the glass above, so much faster heat. Conditions permit, then in the air-conditioned room Internet access. Do the above two, you do not need to care whether it is hot

55 瓩 4 pole motor with a frequency of one hour can save much electricity

It depends on what type of equipment you use, the average energy-saving fan pumps, about 25-40 between; generic class is based on the frequency you use to decide, according to the frequency you use with 50 Hz Compared to energy saving.