1.Higher torque in low speed 2.More smooth & stable running no resonance 3.Low temperature rise, higher effeciency
BPT series frequency conversion speed regulator is your best choice for flux control air fan, water pump and compressor. This product can meet all kinds of demands, operation modes and complete protection functions.
Features: 1 Advanced space voltage vector control technology, much better than traditional wave control technology: 1.1 Higher torque in low speed; 1.2 More smooth & stable running, without resonance; 1.3 Low temperature rise, higher effeciency. 2. Perfect protection system design Special short protection technology can assure release when short and earth(ground) fault happened. 3. Long longevity The max. Temperature rise is 20º C that can prolong the service life.
Working condition Upper limit of ambient temperature is no more than +50º C; The relative humidity is no more than 85 percent. The height above sea level is no more than 2000m; It should be placed on an indoor place without obvious shake and impact, without fire and explosive dangers and the vertical gradient is no more than 5º ; There must be no conductive dust and corrosive gas.
Rated output current (A)
Motor power (kW)
Rted input voltage
Input power factor
0.96 with rated load
120% 1 min, 150% immediately
expanded according to requirement
<90% without condensation
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Q:With the inverter control fan 37Kw4 pole with what model inverter
If the speed is not very high requirements, all the general-purpose inverter can be.
A: The inverter output 4 ~ 20mA (0 ~ 20mA), the analog signal can be directly connected to the measuring instrument, the daily design, installation, application are so, as long as the selection is correct, there will be no problem.
Q:Can the inverter be used to control the speed of the DC motor?
The inverter can be used to control the speed of the DC motor.
Inverter control DC motor is to control the DC motor.
Inverter is the application of frequency conversion technology and microelectronics technology to change the AC power frequency and effective voltage power control equipment. The frequency converter is usually used to control the AC motor. Inverter at work can change the AC power frequency and effective voltage, another point of view, is the inverter in the control output (injected into the controlled device) AC frequency, but also control the output of the effective power.
A DC motor is a rotating electric machine that converts DC power into mechanical energy. DC motor coil in the current must be in accordance with certain changes (commutation) can be rotated, according to the principle of commutation DC motor can be divided into brush and brushless motor two categories.
Q:Can the laptop power adapter be generic?
Not necessarily, the laptop power adapter has two interfaces for input and output.
1. Input interface is connected to the power outlet, generally divided into two holes and three holes, as well as round mouth and flat mouth of the points;
2. Output interface is connected to the computer side, size, length, diameter, diameter, the pin may have differences, common are: diameter 2.5MM, ordinary mouth, mainstream interface; OD 1.7MM, small mouth; MM, big mouth with a needle, round mouth with a needle and so on.
3. Different voltage, different brands of laptop power adapter voltage is not the same
4. Current is different, different brands of notebook computer power adapter current is not the same
In summary, the laptop power adapter between the different types, basically not common
Q: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
Q:How to choose a power adapter
Your notebook power part of the compatibility is very good, in a certain voltage range of power can be used long, but still please note on the notebook subject.
Q:Taian inverter 3.7KW 380V with 4.0KW 2 pole motor 18000 to 300HZ can it?
Second, is the higher speed, parking, inertia, the motor into a generator, to the module reverse power supply, resulting in the module burned, this time, should consider adding braking resistor and braking unit.
Q:Does the teacher know the working principle of the inverter?
At present the main inverter is Mitsubishi you can go to their domestic sales site to find a specific inverter manual has a detailed explanation
Also popular said that the inverter is to change the operating frequency of some mechanical equipment control devices, such as motors, pumps, etc.
Q:What is the adapter?
Easy Alliance Electronics (China) Co., Ltd. (eNetwork) currently has a different series, different types of adapters, original authentic, and sold at competitive prices.
Q:Do not the laptop directly connected to the power adapter?
4, but you can use the external 14 ~ 20V battery, connected to the matching power plug for the notebook power supply, the effect and the use of the same power adapter.