AC Driver Variable Frequency Drive for 3 Phase

AC Driver Variable Frequency Drive for 3 Phase

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Loading Port:: Qingdao

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 3000 unit/month

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Introduction of SVF-G7 Series High-performance Vector General-purpose Frequency Inverter

1. Voltage class: 380V

2. Range of power: 0.4KW~450KW

3. Stable and reliable Control Mode

General

SVF-G7 series VFD communicate with PC, PLC etc upper machines, and they need the support of standard expansion cards SC-EXT1-IO. And the cards supply RS485 communication interface. Between the upper user machine and frequency inverter communicate through the international standard ModBus communication, and the upper user machine as host machine, and the frequency inverter as slave machine. The communication content could be finished as follows: send operating command to frequency inverter, setting operating frequency, changing function code parameters, reading frequency inverter operation situation, monitoring parameters, fault information, function code etc.

Technical Parameter

VFD Capacity	Input Voltage (V)	Power Capacity (KVA)	Input Current (A)	Output Current (A)	Adapter Motor(KW)
0.4T4B	3 Phase 380V Range:-15%~20%	1.0	2.4	3	0.4
0.75T4B		1.5	3.4	4	0.75
1.5T4B		3.0	5.0	5	1.5
2.2T4B		4.0	5.8	6	2.2

Model Size

VFD Model	W1	H1	W	D	H	Installation Aperture	Weight (Kg)
SVF-G7-G0.4T4B	96	190	105	154	200	Φ4	2.2
SVF-G7-G0.75T4B
SVF-G7-G1.5T4B
SVF-G7-G2.2T4B

Factory Overview

AC Driver Variable Frequency Drive for 3 Phase .JPG

Trade terms

a. Delivery term

We will delivery for you after you done the full payment within 3 to 15 working days.

b. Payment

For small order by air or by express, it is 100% T/T in advance.

For large order by ocean, 30% deposit of the order value should be paid, 70% of the balance payment should be done before delivery.

c. Packing

Unless otherwise stated in the offer, the prices include packing in accordance with CHINSC’S customary standard of packing.

AC Driver Variable Frequency Drive for 3 Phase

Q:Will the asynchronous motor pole change the number of speed control can also be combined with the frequency converter: As you said the asynchronous motor after a very logarithmic change can be achieved on the speed of the "coarse tune", and then use the inverter is equivalent to add a "fine tune" device, but it seems a bit expensive, but to To see what you are on the occasion of the worthless.

Q:Is the speed of the motor controlled?: Slip motor is composed of ordinary squirrel cage asynchronous motor, electromagnetic slip clutch and electrical control device composed of three parts. Asynchronous motor, the stepper motor is used as the prime mover, and when it rotates, the armature of the clutch is rotated together. The electric control device is a device that provides the excitation current of the slip clutch excitation coil. Electromagnetic slip clutch, which includes armature, magnetic pole and excitation coil three parts.

Q:What is the frequency converter used to do, why some motor with the inverter?: Therefore, the exchange frequency control has gradually replaced the traditional traditional slip speed, variable speed control, DC speed control system, more and more widely used in metallurgy, textile, printing and dyeing, smoke machine production lines and buildings, Water supply and other fields. The motor is equipped with the frequency converter.

Q:5.5 kW 4-pole motor with the fastest speed can exceed the rated speed?: Because the frequency converter can reach 60 Hz frequency, while the three-phase power supply is the standard 50 Hz. So the inverter can make the motor speed faster than the rated 1500 rpm. The fastest up to about 1800 turn.

Q:The inverter control power is also the same, the pole is not the same as the motor 6 or 4 pole can be used?: Can be used, their rated current is not the same, the need to use the inverter over-current overload protection and other parameters for the corresponding changes.

Q:Laptop power adapter leakage: Not a leakage of electricity, switching power supply design is the need for anti-interference caused by the leakage current, a lot of adapters have this phenomenon, but no harm to the human body is safe, you do not have to buy to replace, the original is good. If you have a protective ground at home, then you can not feel the leakage, because the leakage current from the protection of the ground to the earth, and really leak, then your home leakage protector on the trip.

Q:Computer frequency changer to do cd frequency changer how points positive and negative: This inverter is 380V of the bar, the capacitor series is to increase the pressure, and then parallel to increase the capacity of the capacity of the capacitor and the inverter is proportional to the power, the greater the capacity of the capacitor capacity requirements are greater.

Q:How can a variable speed multi - speed three - phase asynchronous motor be controlled by a frequency converter?: Yes, but it is not necessary, if it is old motor that is another matter, tell you that you can use, but can not be in the frequency conversion process for the pole, this will cause the inverter protection or failure

Q:Why the notebook power adapter can not be universal: Second, the voltage is different Different brands of laptop power adapter voltage is not the same, for example: under normal circumstances IBM is 16V, Dell is 20V, Hp is 18.5V, Sony is 19.5V and so on. Thus, even if the power adapter interface is the same, can not use different brands of laptop power adapter for power supply.

Q:How to make the motor speed (control speed), can not use frequency: In general, the torque generated by the motor is reduced with decreasing frequency (decrease in speed), and the reduced actual data is given in some frequency converter manuals. By using the flux vector control of the inverter, will improve the motor at low speed torque, even in the low speed area motor can also output enough torque. When the frequency converter to speed up to 60Hz frequency, the motor output torque will reduce the normal motor is designed to 50Hz (60Hz) voltage, the rated torque is given in this voltage range. So the rated frequency under the speed is called constant torque speed, the inverter output frequency is greater than 50Hz frequency, the motor torque to be inversely proportional to the frequency of the relationship between the decline. When the motor is running at a frequency greater than 60 Hz, the magnitude of the motor load must be taken into account to prevent the motor output torque from being insufficient. For example, when the torque generated by the motor at 100 Hz is about to be reduced to about 50 Hz, the torque is generated. So the rated frequency above the speed is called constant power speed.

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