Frost frequency converter high-power series

Frost frequency converter high-power series

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The detailed content

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.

Q:With the inverter control fan 37Kw4 pole with what model inverter: Control the fan: select the fan pump with 37KW or 45KW inverter.

Q:The inverter is running independently: Principle of operation The main circuit is to provide asynchronous motor to the frequency conversion power supply part of the inverter, the main circuit of the inverter can be divided into two categories: voltage is the voltage source of the DC converter for the exchange of the inverter, DC circuit filter Is a capacitor. Current type is the current source of the DC into AC inverter, the DC loop filter is the inductance. It consists of three parts, the frequency power supply is converted to DC power "rectifier", absorbing in the converter and the inverter voltage ripple "smooth circuit." The basic composition of the rectifier unit: the fixed frequency of alternating current converted to direct current. High capacity capacitance: store converted energy. Inverter: high-power switching transistor array composed of electronic switches, the DC into different frequency, width, amplitude of the square wave. Controller: According to the set program work, control the amplitude of the output square wave and pulse width, so that superimposed as an approximate sine wave AC, drive AC motor.

Q:Motor a speed, the inverter will burn what is going on, the inverter is a large yuan: Inverters Have not heard of it! East yuan heard. The inverter is most likely to be damaged by the motor is running suddenly grounded, the possibility of frying the module more than eighty percent, since a little better brand will blow up! Overload, overcurrent, short circuit, lack of phase caused by damage to the inverter, then the quality of the inverter is so good, and indeed the basic functions of these inverter protection.

Q:Is the laptop power adapter AC and DC?: Most laptop power adapters can be used for 100 ~ 240V AC (50 / 60Hz). Basically, most of the notebook computers are external power supply, with a power cord and the host connection, which can reduce the size and weight of the host, only a very small number of models built in the host power.

Q:Laptop adapter: The interface of the second adapter is the same as the first one And although the two numbers are not the same but the number of V on the line is the same as the interface

Q:My motor is a low frequency 8 pole motor, about 80W. I would like to choose a frequency converter: VACON frequency converter (Finland wholly owned) Model: NXL 0006 2 C1N1 Parameters: Low overload Continuous current: 6.6A 110% Overload current: 7.2A 110% Overload power: 1.5kw (ambient 40 ℃) High Overload Continuous Current: 4.8A 150% Overload Current: 7.2A 150% Overload Power: 1.1kw (Ambient 50 ℃) Maximum current: 9.6A Weight: 2.0kg Mechanical specifications: 84 x 220 x 172 Please consult the pre-sale technical support department

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: First reduce the frequency of about one-third of the test, not the case, then appropriate adjustments!

Q:What is the difference between variable frequency motor and variable speed motor?: so the output torque will not change, that increase the current work is useless work. Variable frequency motors are generally used for deceleration, and in accordance with the law to adjust the voltage and frequency, that is, no matter how changes, the voltage divided by the frequency is a constant value.

Q:What are the AC motor speed control methods? What are the characteristics of each: Pressure control speed, limited speed range is limited use of variable pole speed, change the motor internal wiring speed, speed is a very speed according to the motor factory set to brand speed to speed control, change the motor input Frequency to speed, are stepless speed is now more popular

Q:Master Hello a machine requires 500 speed matching 6-pole motor frequency converter transferred to about 28HZ: The belt rotation is calculated by the speed ratio. The current transferred to the motor by the inverter is approximately equal to the rated current of the motor, ie the motor's power is maximized.

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