Frequency Inverter Single-phase 220V class 5.5KW

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1 pc

Supply Capability:: 100000 pc/month

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General

CNBM frequency inverter is a high-quality, multi-function,

low-noise variable frequency drive which is designed, developed and manufactured according to international standards.

It can meet different needs of industrial conditions.

The inverter applies advanced control technology of space voltage vector PWM, with functions of constant voltage control, power-off restart, dead zone compensation, automatic torque compensation, online modification parameter, high-speed impulse input, simple PLC and traverse.

Application

Textile: coarse spinner, spinning frame, wrap-knitting machine, loom, knitting machine, silk-spinning machine, etc.

Plastic: extruder, hauling machine, decorating machine, etc.

Pharmacy: mixer, roaster, etc.

Woodworking: engraving machine, sander, veneer peeling lathe, etc.

Papermaking: single type papermaking machine, etc.

Machine tool: non-core grinding machine, optical lens grinding machine, cutting mill, etc.

Printing: cloth-washing machine, dye vat, etc.

Cement: feeder, air blower, rotary furnace, mixer, crusher, etc

Fan and pump: kinds of fans, blowers and pumps

Specification

Item		Specification
Input	Input voltage	220/380V±15%
Input	Input frequency	47~63Hz
Output	Output voltage	0~input voltage
Output	Output frequency	0~600Hz
Peripheral interface characteristics	Programmable digital input	4 switch input, 1 high-speed impulse input
	Programmable analog input	AI1: 0~10V input AI2: 0~10V input or 0~20mA input,
	Programmable open collector output	2 Output (3.7kW and above: 1 Open collector output)
	Relay Output	1 Output (3.7kW and above: 2 Relay output)
	Analog output	2 Output, one is 0~10V, another is 0~20mA or 0~10V
	Keypad	Display:5-digit 8-section LED (Red), 2 indicators; parameter setting: 8 keys (including multi-function hot key ), 1 potentiometer
Technical performance characteristics	Control mode	All digital space voltage vector SVPWM algorism
	Overload capacity	G purpose: 150% rated current 60s P purpose: 120% rated current 60s
	Speed ratio	1: 100
	Carrier frequency	1.0~10.0kHz
	Torque compensation	Linear, multi-point, 1.3th power, 1.7^th power, 2.0^th power reduced torque; Compensation voltage range: automatic compensation and manual compensation 0.1~10%
	Automatic voltage adjustment	It can automatically maintain output voltage constant when grid voltage fluctuates.
	Automatic current adjustment	When the current is over current limit, under clocking automatically limits output current.
Function characteristics	Frequency setting mode	Keypad digital analog input, keypad potentiometer, impulse frequency, communication, multi-step speed and simple PLC, PID setting and so on, switch-over of setting modes.
	Simple PLC, multi-step speed control	16-step speed control
	Special function	Traverse control, length control, time control
	QUICK/JOG key	User-defined multi-function hot key
	Protection function	Over-current, Over voltage, under-voltage, over-heat, phase failure, over-load and motor over-load
Working condition	Installation site	Indoor, altitude of less than 1km, dust free, non-corrosive gases, no direct sunlight
	Application environment	-10°C~+40°C, 20~90%RH (no dew)
	Vibration	Less than 0.5g
	Storage temperature	-25°C~+65°C
	Installation type	Wall-mounted type, floor cabinet type
Cooling mode		Air-forced cooling

Q:What are the parameters of the frequency converter? Thank you: Some are called bias frequency or frequency offset settings. Its purpose is that when the frequency of external analog signals (voltage or current) to set, you can use this function to adjust the frequency setting signal, minimum output frequency, as shown in figure 1. Some of the inverter when the frequency setting signal is 0%, the error values in the range of 0 ~ Fmax, some converter (such as electricity forhomes Sanken) can also bias polarity settings. For example, in debugging, when the frequency setting signal is 0%, the output frequency of the inverter is not 0Hz, and xHz, then the bias frequency is set to negative xHz, so that the output frequency of the inverter is 0HzI

Q:What does the base frequency 60Hz represent in the inverter?: The schematic diagram of the basic frequency parameters of the converter is shown in figure.Below the fundamental frequency, the output voltage of the converter varies with the output frequency, and the V/F= constant is suitable for constant torque load characteristics.Above the fundamental frequency, the output voltage of the inverter maintains the same voltage rating of the power supply, which is suitable for constant power load characteristics.

Q:I am in control of the equipment: the same mechanical movement, this needs a motor drive, a frequency converter drive. Now it's due to the mechanical location: buy two units of the same motor. Can you use a converter in parallel to drive it? Please point out! Thank you (frequency converter: the power of Schneider is equal to the sum of two motors): I suggest you use SIEMENS's 6SE70 model converter (I used this to do a lot of track debugging, it's really easy to use and not easy to go wrong)Communication with the PLC, as long as the Profeibus link on the good, communication and control characters are very good setRemark: a multi motor controlled by a transducer must start and stop at the same time, and the control speed is the same

Q:How does the frequency converter change the voltage and change the speed of the motor?: N = 60f/PN is the turn speed, F is the frequency, and P is the magnetic pole logarithm of the engineBy the formula: frequency and speed is proportional to, so the inverter can change the speed of the motor

Q:What are the key points of frequency converter maintenance?: Frequency converter routine maintenance and repair workDo a good job of frequency converter routine maintenance and repair work, including:(1) regular (three months) of dust on the inverter, the focus is the electrical control cabinet, inverter inverter main base, terminal block, inverter air inlet and outlet is dust or because of too much dust and jam. Frequency converter because of its cooling requirements, ventilation volume, so after running a certain period of time, the surface dust is very serious, must be regularly cleaning dust.(2) to drive the front door open, carefully check the AC and DC bus has no deformation, corrosion, oxidation, busbar connection screws are loose, the fixed point solid screws are loose, fixed with insulating piece or insulation column aging or cracking deformation, such as a replacement, and when fastening, on bus has been deformed to be re installed after correction.

Q:Why does harmonic generator produce harmonic? What's his working principle?: Harmonic generation mechanism of converter outputIn the inverter output loop, the output current signal is a pulse waveform modulated by the PWM carrier signal. For GTR high-power inverter component, the carrier frequency of PWM is 2-3kHz, while the maximum carrier frequency of IGBT high-power inverter component is 15kHz, PWM. Similarly, the output loop current signal can also be decomposed into only the fundamental wave and other harmonics.

Q:What does the RUN key on the inverter mean? How do you use it?: According to the actual needs of the motor to provide the required power supply voltage, and then to achieve energy saving, speed control purposes, in addition, there are many inverter protection functions, such as over-current, overvoltage, overload protection, etc.. With the continuous improvement of the degree of industrial automation, inverter has also been widely used.

Q:Is the voltage low? The younger brother is bored to death, no problem with the wire drawing machine, the full load will jump off. Display frequency converter overload and acceleration operation overcurrent. Help me please.: When detecting the phase - lacking circuit, the phase - blank board is directly tested, and the PL signal on the drive board is normal. Normally, the PL is low, the phase is Fang Bo, and the power is high when the power is switched off. It is important to note that the PL signal output by the drive board or the phase blank panel is not sent to the CPU after the level switch has been passed on the main control board, and it should be noted that the fault is caused by the main board or the missing phase board during maintenance.

Q:Knowledge, principle and operation method of frequency converter.: Summary of the working principle of frequency converter:Before the work principle of frequency converter is understood, it may be possible to see why the inverter is sacred first Inverter is the frequency power supply (50Hz or 60Hz) converted to various frequency AC power supply, in order to realize the motor speed change operation of equipment. The control circuit controls the main circuit of the rectifier circuit will be converted into AC DC, DC intermediate circuit of the rectifier output smoothing filter, inverter circuit to DC and then reverse into alternating current (and core control circuit: AC - DC - AC the process). And the frequency conversion technology should be born with the need of AC motor stepless speed regulation. The working principle of formula to express the words is: n = 60 f (1 s) /p (1) - N - speed asynchronous motor; F -- asynchronous motor frequency; s - motor slip; P - pole motor. By formula (1), the speed n is proportional to the frequency f. As long as the frequency of F can be changed, the speed of the motor can be changed. When the frequency f changes within the range of 0 to 50Hz, the speed range of the motor is very wide. Frequency converter is to change the frequency of motor power to achieve speed regulation, is an ideal high efficiency, high performance speed control means.

Q:What is a frequency converter?: There are many classifications of inverter, the main circuit according to the classification, can be divided into voltage type inverter and current source inverter; switching mode in accordance with the classification, can be divided into PAM control inverter, PWM control frequency and high frequency PWM inverter control; in accordance with the principle of classification, can be divided into V/f control inverter, slip frequency control inverter and vector control inverter; according to use classification, can be divided into general inverter, high performance inverter, high frequency inverter, single-phase inverter and three-phase inverter.

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