Frequency Inverter Single-phase 380V class 215KW

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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's the use of switching frequency of converter?: By adjusting the switching frequency, system noise can be minimized, waveform smoothing is the best, and interference is minimal. Because the frequency converter mostly adopts the form of PWM modulation to carry out the frequency converter. That is, the output voltage of the inverter is actually a series of pulses, and the pulse widths and intervals are not equal. The size depends on the intersection point of modulation wave and carrier, that is, the switching frequency. The higher the switching frequency, the more the number of pulses in a cycle, the better the smoothness of the current waveform, but the interference to other devices is also greater. The lower the carrier frequency or the bad set, the motor will make unpleasant noise.

Q: First of all, I would like to achieve the frequency converter with motor static linear acceleration, high-speed linear deceleration stop processFirst question: I say kind of situation, three paragraph speed start, 0.1hz---> high 30hz-->0.1hzSecond problem: manual speed instruction 1, speed 2, speed 3 instruction instruction I want to use PLC to control three speed motor with three reverse contact dry. I understand speed instruction 1 is switched on (2, 3 connected) transmission section set the frequency with the frequency segment set 0HZ123 AssociationThird questions: manual section, speed command, main frequency and STEP1-STEP7 stage setting frequency, I use PLC analog to the frequency main frequency setting, plus and deceleration, STEP1-7 are set 0, can achieve what I wantInitial contact frequency converter, home pointing: Three speed motor static acceleration setting speed, then slow down to stop, in fact, frequency case should be motor frequency 30Hz set frequency converter 30Hz, and then to start and stop signal requirements (plus or minus speed, according to the scene set P-10 P-11)

Q: How can I learn the converter well?: Frequency converter training teacher suggested: Theory + practice combinedTheory: understand the frequency converter each parameter meaning, the frequency changer principle, the control way, the instruction manual, the approximate operation, knows how the matterPractice: combined with some special requirements of practice to do the debugging, this needs the accumulation of experience

Q: What's the function of this brake unit?: When the motor is fast stopping, the motor will feedback the energy to the converter, causing the DC bus voltage to rise or even damage the IGBT. Therefore, it is necessary to use the braking unit to save the part of the energy to protect the converter.Inverter braking a lot, can refer to:

Q: Where is the frequency converter used?: From the industry application: 1, chemical, petroleum, electric power, municipal, mining, cement, water treatment and other industries, the main use of 380V/690V/6-10kv inverter, these industries have a large fan pump power, the original AC operation, high energy consumption, the use of inverter speed regulation can be obtained after large energy saving, so it is the the main users of the main high power converter

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's the role of an electric car, the part of a traditional car?: Safe and reliable power on time sequence control.Motor controller, power, according to certain timing control, otherwise it will cause damage to the controller. When the driver presses the motor controller switch button, motor controller is connected to the vehicle controller switching command closed after the precharge contactor, the battery group through the precharge resistor to capacitor charging slow motor controller, when the motor controller detects the DC bus voltage reaches the rated input voltage of 90%, closed motor controller contactor, and cut off the precharge contactor at this time, the main electric motor controller completely to battery group, completed the main electrical power on the process.

Q: What is the difference between SIEMENS inverter and built-in filter?: There is no built-in filter converter in the price slightly lower, mainly used in the equipment efficiency (power factor) requirements are not high, anti-interference ability requirements are not strict place;The frequency difference with built-in filter is mainly to the requirements of different electrical parameters in specially designed, can improve equipment (power factor), has the good anti-interference ability, prevent the transient surge of inverter module impact, has a good protective effect.

Q: What does "frequency" in household appliances mean?: The air conditioner use frequency, enlarge the working range of the compressor, the compressor does not require intermittent running can be realized in cold and warm control, to reduce power consumption due to temperature changes, eliminate discomfort. In recent years, the new type of air conditioner has adopted brushless DC motor to realize variable frequency speed regulation, and its energy-saving effect is about 10% - 15% higher than that of AC asynchronous motor frequency conversion. In order to further improve the efficiency of the device,

Q: What are the basis of the frequency converter to choose?: 1, brand, mainly for cost control2, performance, overload, function, reliability,3, load characteristics, constant torque, square torque or special load (determine the length of the cable of the load motor)4, environmental aspects: temperature, humidity. Altitude.These are the needs of attention when type selection.The last point is the most important, when choosing type, remember that the motor power can not be selected, must be selected in accordance with the motor current.

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