Frost frequency converter good quality

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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:A water supply project, how to choose electrodes and frequency converters, such as giving a 7-storey water supply
2 pump power: If there is a tank, optional small pump, or should see how many households, fixed flow.
Q:What is the common COM point of the PLC and the inverter? Is it positive?
It depends on your PLC and inverter I / O is what type, the most simple can be divided into two kinds of NPN and PNP, NPN COM point is negative, PNP COM is positive.
Q:380V motor addition to the inverter, but also how to change its speed?
Use the star connection to reduce the speed by changing the torque
Q:What is the difference when using inverter frequency conversion ordinary motor and variable frequency inverter motor
2, the ordinary asynchronous motor is the cooling fan and motor spindle connection, the motor speed determines the cooling fan speed, low frequency when the motor rotation is slow, so the motor temperature rise is the principle.
Q:Octopus AC Servo motor can be driven with ordinary inverter?
If it is synchronous motor, it depends on whether you choose the inverter is compatible with the synchronization machine, most of the incompatible. As you said the situation, the motor 8 pole, may be synchronous motor. Specifically, you can compare the rated speed and rated frequency to see if there is a slip rate to determine whether it is synchronous or asynchronous motor.
Q:Whether the inverter can control the start and stop of the horizontal monopole centrifugal pump
Hi, the inverter control is no problem. You need to select the inverter by the load characteristics of the centrifugal pump, consider: Centrifugal pump rated working current, overload capacity, parking whether there is emergency stop request. I used the inverter to control the horizontal centrifuge some time ago.
Q:Does the teacher know the working principle of the inverter?
The AC power rectification of the grid input is changed to direct current, and then the direct current is changed from AC by the control circuit according to the user's setting. The frequency is determined by the user. The motor is operated at this frequency to reach the change frequency. the goal of.
Q:In the case of the inverter, why can not the normal operation after removing the gearbox? The motor is 4 pole.
If there is a load, it may be less than the torque. So it can not run.
Q:Laptop power adapter bad what is the phenomenon?
If you unplug the power adapter is good, then your adapter has a problem, you are the original adapter, I encountered the imitation of the adapter has this problem,
Q:What is the maximum speed adjustable for a 4-stage motor with a rated frequency of 50Hz / 60Hz?
Motor speed and frequency of the formula N = 60f / p In the above formula N - the speed of the motor (r / min); 60 - per minute (seconds); F - power frequency (Hirsch); P - pole pairs of motor rotating magnetic fields. China provides the standard power frequency f = 50 weeks / second, so the rotation of the magnetic field of the size of the theoretical diameter only with the magnetic pole. The number of pole pairs is large, and the rotational speed of the rotating magnetic field is low.

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