chinsc performance vfd manufacturers for water pump

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Specifications

1.Brand name:CHINSC 
2.0.4kw VFD 
3.Three phase 380v 
4.Frequency: 0.1-600hz 
5.Short delivery time 

    china vfd manufacturers for pump 

 

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

 

 

(1) VF control: Multiple curve could been chosen, Linear V/F curve, 2.0 times power drop torque V/F curve, custom V/F percentage(can realize manual energy saving control), multipoint VF curve. This apply to the situation that one frequency inverter drives multiple motors, such as fan, water pump, engraving machine, injection molding machine etc.

 

 

(2) Open-loop vector control: Steady speed with high precision, wide range of speed governing, as the speed ratio is 1:200 and 180% rated torque could be output in 0.5Hz. Good dynamic performance.

 

Open-loop vector is suitable for high-Performance universal occasions such as machine tools, centrifuges, cranes and handling equipment, rolling mill and other loads.

 

 

(3) Torque control: Fast torque response,<20ms, precision torque: <5%, applied to winding, drawing and other occasions. 

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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.

 


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Q:What is the single axis of the inverter and multi-axis applications
Inverter is the application of frequency conversion technology and microelectronics technology, by changing the motor power supply frequency and amplitude of the way to control the AC motor power transmission components.
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 is the meaning of the bipolar polarity in the inverter ah There is a +10V signal input is a -10V What is the meaning of ah?
Bipolar input is positive and negative. Bipolar input is generally used to directly through the external reference or potentiometer to achieve the motor forward and reverse switching, without having to switch all the way to switch the signal (switch).
Q:What is the difference between AC and DC frequency converters?
Advantages and disadvantages: Advantages: inverter air conditioner with variable frequency power supply, inverter compressor, electronic expansion valve and microcomputer technology, the organic combination of air conditioning to further improve the performance, the use of room temperature fluctuations, better comfort, the better Power supply voltage fluctuation is not sensitive, the compressor starts, the general non-stop, cooling capacity in the range of 35% to 117% change, to avoid the frequent open air-conditioning, to extend the life of the compressor, while efficient, Features. Disadvantages: the price is more expensive, compared with ordinary air conditioning, about 1/3 to 1/4 of the price, at the same time, because the inverter air conditioner control system and frequency conversion system is more complex, higher requirements for components, compared to ordinary air conditioning , Inverter air conditioner failure rate is high, and, due to the use of frequency conversion technology, at the same time, will produce harmonic pollution. What is DC inverter air conditioner? DC inverter air conditioner is relative to the AC inverter air conditioner, in fact, its name is not correct, because the DC and no frequency, it is by changing the DC voltage to adjust the compressor speed, thus changing the air conditioning cooling capacity, It can only be said to be a DC variable speed air conditioning, not strictly in the sense of inverter air conditioner.
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:Laptop power adapter output voltage is not the same as the current? What's the effect?
I would like to elaborate on the basic principle of the large standard current power supply can replace the small standard current power supply. Some friends have misunderstood, that a large nominal current power will burn books, because the current big thing. In fact, how much current in the same voltage depends on the load, that is, the work of the books, when the books of high-load operation, the current larger, the books into the standby time, the current is smaller, in short, On the voltage divided by the equivalent resistance of the books. Large nominal current power supply has enough current margin, will not be replaced by a small standard current power supply after the overheating or output voltage is too low. On the contrary, with a small current power supply instead of high current power on the existence of the above risks. But some friends with 56w power supply instead of 72w with no problem, because the power adapter is usually designed to leave a certain margin, the load power should be less than the power supply,
Q:Can the notebook's power adapter be mixed?
At present, the market sales of notebook power is generally 90 watts and 65 watts two, using integrated graphics, or configure the low-end notebook, usually 65 watts. Using the independence was, the configuration of high-end, or the game audio and video of this, are generally 90 watts. If the laptop's power adapter is damaged can not be used, it is best to repair the department as soon as possible to repair. If it is for emergency, before using the two adapters to check the output power and current and voltage are conceded, as the adapter input current and voltage is not the same, should be the general household voltage is 220V, so almost all of the notebook power The adapter is 100-240V ~ 1.5A words, as long as the output current and voltage values, and wattage equal, and then one is the same interface, you can mix. In general, the voltage is stable, the output wattage is the same, the notebook is basically no harm.
Q:Lenovo laptop power adapter side of the feet which is positive
Power adapter is a small portable electronic equipment and electrical and electronic power supply conversion equipment, generally by the shell, power transformer and rectifier circuit, according to its output type can be divided into AC output and DC output type; by way of connection Divided into wall and desktop.
Q:Lenovo g450 laptop power adapter specifications is what?
Input: 100-240V ~ 1.5A 50-60Hz Output: 19V - 4.74A
Q:What is the maximum speed adjustable for a 4-stage motor with a rated frequency of 50Hz / 60Hz?
Asynchronous motor speed depends on the maximum speed of the bearing, theoretically look at what the choice of bearing, above the rated speed into the constant power area, with the increase in speed torque becomes smaller, but the motor constant power area is limited, usually ordinary asynchronous motor rated Voltage is 380v motor constant power area is the motor rated speed of 2.5 to 3 times, if you want to get a higher constant power area can be reduced by the way to reduce the rated voltage constant power area, if you do not consider the reasons for mechanical bearings, asynchronous motor Speed depends on what speed the motor torque can overcome the resistance to maintain the speed.

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