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Drying method of DC geared motor after damp
04-04-2019
The DC geared motor is not used for a long time. When it is re-enabled, it will find that the insulation resistance of the geared motor winding is reduced. Especially in the rainy season, the air humidity is high, and it...
How to Select Specification Type of Negative Pressure Fan
04-04-2019
1. According to the material of the negative pressure fan, the negative pressure fan can be roughly divided into two kinds: galvanized sheet and FRP shell. Galvanized sheet is square belt type and FRP is trumpet type dir...
How to judge whether the motor is burnt out or not when it is overheated
03-04-2019
Common causes of overheating: 1. Motor overload, overload operation. 2. The motor has been running without phase. 3. The power supply voltage is too high or too low! Over the range of motor voltage allowed to chan...
Knowledge Points of Permanent Magnet Motor
03-04-2019
Note:Permanent magnet motor is not only a kind of permanent magnet synchronous motor, but also has three basic types: direct current permanent magnet, brushless direct current permanent magnet and permanent magnet synchr...
Several Connection Ways of Ventilation Pipeline
02-04-2019
With the rapid development of technology, the application of ventilation duct is more and more extensive. Here we introduce four connection modes of ventilation duct. 1. Hose Connection: Mainly used for connecting air du...
The Method of Judging Pole Number of Three phase Asynchronous Motor
02-04-2019
A simple method for judging the pole number of three-phase asynchronous motor. When the nameplate is lost and the pole number of the original asynchronous motor is unknown, the current mu-A of the multimeter can be used ...