Frost frequency converter high-power series

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FST - 610 high-power series high-performance non-inductive vector frequency converter

(7.5 kw to 630 kw, 3 phase, 380 v)



Software features:

G/P and wide scope of application.

A variety of control mode: V/F control, non-inductive vector control and torque control.

High start torque: 180%, 0.5 Hz.

Multistage speed, simple PLC and PID control.

Programmable input/output terminals.

Instantaneous power lost, don't stop function.

Multiple frequency setting methods.

Speed tracking restart function.

Automatic output voltage adjustment function.

Frequency hopping control function.

Volatile inhibition function.

A variety of fault protection function.



Structure features:

Layout optimization of components, small volume, light weight, easy to transport, installation and maintenance.

Good heat dissipation design, low temperature, stable performance.


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Q:The notebook power adapter flashes
1: Check the socket with a multimeter is normal, the supply voltage is 220V. If the utility voltage is not normal, it is recommended to replace the use of environmental testing. 2: Check with the multimeter whether the output voltage and current of the power adapter match the label. If the gap is very large, and the mains voltage is normal, you can determine the power adapter failure, need to replace the laptop power adapter. 3: If the above check is normal, remove the laptop battery, do not external adapter. Press and hold the notebook power button 5 seconds to repeat 3 times. After releasing the notebook residual charge, insert the power adapter separately, power on the test. 4: If the fault persists, check the notebook's power connector, whether the exception. Such as loose or the appearance of damage and so on. 5: the above checks are normal, basically can be a preliminary judgment is the notebook motherboard failure. Recommended repair service station.
Q:6-pole motor, speed 8000 rpm, corresponding to the frequency converter output frequency is how much?
Such a high speed estimated motor can not reach, to increase the gearbox Specific algorithm: n = 60f / p P is the number of pole pairs, f is the frequency. The pole pair number of the 6 pole motor is 3. F = n * p / 60 = 8000 * 3/60 = 400 Hz.
Q:Variable frequency pump pressure in the very low flow instability, why?
. If you want to stabilize the pressure, you must adjust the pipeline characteristic curve is the work point to enhance, so that you can both stabilize the pressure and adjust the flow.
Q:Can the laptop's power adapter be used for years?
In the power adapter has a nameplate, marked above the power, input and output voltage and current and other indicators, with particular attention to the input voltage range, which is the so-called "travel power adapter", if the city voltage to only 110V country , This feature is very useful, and some parallel notebook computers are sold only in the origin, there is no such compatible voltage design, or even only a single 110V input voltage, in our 220V mains voltage will be burned to burn.
Q:I have a 11KW-4 pole inverter, now with the 4KW-4 pole motor, what impact?
11KW the following can be brought, the inverter rectifier module may be broken,
Q:A 4-pole AC motor into a 2-pole AC motor, the motor is controlled by the inverter, to make the maximum speed of the 2-pole motor and the original 4-pole
The upper limit frequency transferred to 25HZ, the number of poles changed to 2, try to run when the motor speed test
Q:I power adapter output current 3.25A for a 4.5A, can you use it
Can provide a large current that the rated power is higher than the original landlord that can be assured that the use of the best, but the original oh a lot of cottage performance instability do not burn the notebook
Q:The laptop power adapter is hot
Notebook power adapter in the power after the use of hot is a normal phenomenon, do not worry, no danger, it will not explode. The length of this time does not matter, in the use of one or two hours will become very hot, but will always keep this temperature. And the notebook's power adapter shell are high temperature, will not burn. Notebook power adapter in addition to hot, you may hear the sound, the sound is not, very small. This sound is not a big problem, it is the power adapter power after the power filter sound, so plug in the plug after. Any power adapter basically has a sound. You can listen carefully, the surrounding environment is particularly quiet when you can hear. Power adapter is a transformer, inside the transformer coil in the AC will produce Zizi sound. Some power adapter use a long time will have this sound, but no big problem, you can continue to use. As long as the sound is not high outrageous do not control. Laptop power adapter hot and sound basic are considered normal, unless the temperature is too high or even damage to the shell or the sound is very obvious, this is a problem. The general does not affect the use of the adapter bad to buy a can. Notebooks have to protect the isolation circuit, do not worry about damage to the notebook.
Q:Three motors, if coupled with the governor speed, is it necessary to add the inverter?
 Second, the variable speed: change the way the stator winding wiring to change the cage motor stator pole pairs to speed.
Q:On the laptop power adapter problem
Notebook power on the two specifications, one is 65W, one is 40W, 65W power supply is a discrete graphics notebook, 40W is integrated graphics notebook. Just connected to the use of power, then there is no problem. Just if you laptop battery with the light of the words, plug in the power can not be the same as with the 65W, immediately you can use the boot. Because the current is low, the charging speed is relatively slow. The other will not have any effect

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