Medium Voltage Drive VFD 3000KW 3KV HIVERT-Y 3.3/660

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Medium Voltage Drive VFD 3000KW 3KV HIVERT-Y 3.3/660

Improved power quality

Almost sinusoidal input current eliminates the need for additional harmonic filters or active filters on the input side
∙ Compatible with older design of motors allowing retrofit to existing system designs.
∙ Minimal impact of voltage reflection, allowing longer cable length between motor and drive.
∙ Multi-level medium voltage drives minimise stress on motor windings, eliminating the need for additional sine
wave filters

 

 Energy saving

 

Fans, pumps and compressors have load characteristics whereby the power consumed increases as a cubic law with
speed.

 

The optimum way to save energy with this type of load is to control the motor speed with a VFD. This is far more effective as it avoids the waste of energy when fluid flow rate is controlled using a valve or damper.Process control is improved by the use of more accurate, prompt and flexible control of the motor speed.

 

The inherent soft starting ability of a VFD reduces the impact on the network (voltage dips) caused by high starting currents.

 

Substantially greater starting torques can be achieved with a VFD than with a soft starter and with much lower starting current, reducing stress on the motor windings and saving energy.The controlled start-up acceleration rate also reduces themechanical stress on the load equipment.


∙ The VFD operates at a higher input power factor than a directly connected asynchronous motor.


∙ The losses in the VFD converter are low, only 1.5% excluding the transformer.

 

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Q:30 kW 6 pole frequency motor torque is how much
Look at the motor sample or nameplate, above some Different manufacturers of the motor may be different I have a sample on hand, 90KW, six pole, frame number 315M1, rated current 168A, rated torque 859.4 And then look at your inverter performance and motor performance, and can generally be overloaded to the rated torque of 150%
Q:Delta VFD-A frequency converter motor number of poles set
Variable frequency Drive, VFD) is the application of frequency conversion technology and microelectronics technology, by changing the motor operating frequency mode to control the AC motor power control equipment. The inverter is mainly rectified (AC variable DC), filter Wave, inverter (DC variable AC), the braking unit, the drive unit, the detection unit micro-processing unit and so on. The inverter is used to adjust the voltage and frequency of the output power by breaking the internal IGBT.
Q:Ordinary 4-pole motor Under the control of the inverter, the higher the speed, the higher the power or the slower the power
The original you are the ordinary motor ah, this ordinary motor can not afford too high frequency. Often at high frequencies or low frequency work will burn the motor. The higher the speed, the current will increase, the lower the speed, the current will be reduced. Its power is not much change. You still with a special frequency control motor it. Frequency conversion motor is a special design, the use of frequency converter for the drive power, the motor and inverter electromechanical integrated frequency control system, so as to achieve low frequency constant torque operation and high frequency constant torque operation. This motor has good speed performance and significant energy saving effect
Q:Acer laptop power adapter
It might be bad, you have to determine whether the adapter or adapter adapter directly change.
Q:Laptop computer about electricity no electricity, is the power adapter problem?
"The adapter light is bright" is just a matter of line between the AC power supply and the power adapter, and the power adapter to the computer that line may be bad or the computer interface is not good. Practice shows that the adapter's computer interface where the line is most likely broken
Q:Is the inverter output current proportional to the output torque?
The output voltage of the inverter is proportional to the frequency, which is to keep the motor flux constant, T = KIφ so the motor output torque is proportional to the inverter current.
Q:Lenovo g450 laptop power adapter specifications is what?
Lenovo g450 laptop power adapter specifications is what? Wrqwgp520 | viewed 4426 times Recommended at 2016-05-26 08:52:41 Best answer Lenovo Lenovo 19V4.74A G450 G470 Laptop AC Adapter: 【Power supply technical parameters】 1. Input voltage: AC100-240V.50-60Hz.1.5A 2. Output voltage: 19V 3. Output current: 4.74A 4. Work efficiency:> 85% 5. Output power: 90W 6: Input interface: Plum triangular interface 7: Output interface: 5.5 * 2.5
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:Please recommend a high performance laptop power adapter?
See what model you notebook ah, according to your power adapter voltage, rated current to match.
Q:Is the number of Amps of the notebook power adapter higher than the original number of security on the computer?
Sure answer, no! Rest assured with it, but be careful not to buy the cottage goods, this on the computer and security is not good. good luck!

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