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:East yuan 7200GS inverter start 11KW 4-pole motor and 2-pole motor need to modify what parameters?
motor to be slightly larger, the speed of 4 pole speed is 1450 r / min, 2 pole is 970 r / min The With the inverter control, you only need to modify the parameters of which the motor parameters, and then the motor parameters from the study on it, the most important is your use of inverter equipment and control methods, and then the above two factors Feature adjustment parameters. There is to pay attention to the use of the inverter environment, the inverter is an electronic product, the environment is relatively high, in the use of as much as possible to improve the use of the environment.
Q:Is the number of Amps of the notebook power adapter higher than the original number of security on the computer?
Sure answer, no! Rest assured with it, but be careful not to buy the cottage goods, this on the computer and security is not good. good luck!
Q:Is the laptop power adapter hot?
Third, the power of the nominal voltage than my books the battery voltage is much higher, not an accident, right? First of all, to know is that the power supply to the books and the battery power supply to the notebook is different. Battery-powered, the battery output is pure DC, very clean, the battery voltage is neither possible nor need to design a high, lithium battery chemical properties determine a cell output voltage can only be about 3.6V, so Many batteries are used in three cascade way, 10.8V also became a very popular battery voltage. Some batteries are slightly larger than the integer value of 3.6V, such as 3.7V or 11.2V, etc., in fact, to protect the battery. Power supply, the situation is more complex, first of all need to add voltage to further regulation filter to ensure that the power performance is not very good in the case of stable work, the voltage regulator after the two parts of the city, all the way to the work of the power supply , The other way to the battery charge to the part of the power supply to the battery when the same power supply, and the part of the battery charge through the battery charge control circuit can be added to the battery, the control circuit can be very complex, so the power The voltage must be greater than the cell voltage to have sufficient capacity to supply the charge control circuit to the units. Finally the voltage actually added to the cell will never be the nominal voltage of your power supply. Rest assured.
Q:ASUS notebook power adapter can be universal? is it?
ASUS notebook power adapter is not universal, depending on the model, the output voltage and current requirements are different, select the battery and consistent adapter.
Note: different brands of laptop batteries may be different, so do not use, through the laptop battery voltage and current comparison power adapter voltage and current to judge. If the voltage and current are roughly the same can be used.
Q:In the official website to buy ThinkPad notebook, to the power adapter?
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Q:The relationship between the power supply of the notebook and the battery
2, when the laptop turns on the power adapter, and the battery power is low, the charging circuit detects the battery power is lower than the set value, the power adapter will side of the host power supply, while the battery charge. After the charge is restored, it is restored to the power supply state directly from the adapter.
Therefore, the relationship between the power supply of the notebook and the battery is that the battery is charged by the power adapter when the battery level is below the set value.
Q:22kw.2 pole fan can use Fuji inverter?
according to the rated name of the fan brand and the inverter rated current control, select the current value match, or slightly larger The
Q:Notebook power adapter on how to look at power
It should be noted that there are many in Japan to buy a notebook or over there in the parallel imports, input only support 110V in China is not used, because the Chinese standard is 220V. Now the subject is 90W 20V. Output voltage and power will be identified, such as the target for the 90W 20V, that output power is 90W, the output voltage is 20V. If only the output voltage and output current are identified,
Q:What is the application of variable frequency speed control?
Frequency control speed ratio is relatively large, in other words, the speed is accurate, smooth speed.
Widely used, the basic works can be used
Q: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.