High Voltage 3KV Inverter Frequency

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General of High Voltage 3KV Inverter Frequency

CNBM high Voltage Variable Frequency Drives are designed to be highly reliable with high-performance, yet easy to use.It can satisfy users' need for changing the speed of fans or pumps,as well as improve the productivity.

The series are compatible with all types of three-phase medium voltage asynchronous motors.

Application Filed of High Voltage 3KV Inverter Frequency

CMAX- series of medium voltage VFD can usually be applied in these fields:

Power generation: induced draft fans, forced draft fans, condensate exhausting pump, boiler feed water pumps, primary fan, secondary fan, circulating pump, mill fan, slurry pump, mill .

Metals: dusting fans, slurry pump, feeding pump, furnace fans, compressor, mill

Cement: fan, discharge fan, waste gas fan, dust collecting fan, dust removing fan, mill.

Oil & Gas: water injection pump, oil transfer pumps, air compressor.

Mining: Fans, media pump, circulating pump, gas pump, oil separating pump, compressor, lift, mill, conveyer, hoisting machine.

Water: water supply pump, circulating pump.

System Principle Of High Voltage 3KV Inverter Frequency

Technology Data of High Voltage 3KV Inverter Frequency

Model	A03/050～A03/100	A03/100～A03/175	A03/175 ～A03/220	A03/220～A03/400	A03/220～A03/610
Capacity(kVA)	250～630	630～900	900～1150	1150～2000	2000～3125
Rated output current (A)	50～100	100～175	175～220	220～400	400～610
Motor power (kW)	200～400	400～710	710～900	900～1600	1600～2500
Input frequency	45Hz～55Hz
Rted input voltage	3000V±10%
Input power factor	0.95 (>20%load)
Efficiency	0.96 with rated load
Output frequency	0.5Hz～120Hz
Frequency resolution	0.01Hz
Overload capacity	120% 1 min, 150% immediately
Analogue input	0～10V/4～20mA
Analogue output	0～10V/4～20mA
Acceleration/deceleration time	0.1~3000s
Digital output/input	expanded according to requirement
Ambience temperature	0~40℃
Storage/transport temperature	-40~70℃
Cooling	air cooling
Ambience humidity	<90% without condensation
Altitude	<1000 m
IP class	IP20
Size(mm)(W×H×D)	3300×2480×1200 3900×2480×1200		4900×2480×1200 6000×2580×1200		6000×2580×1300
Weight (kg)	3000 ～5000		5000 ～7300		7300～9200

Q: 2 pole 0.75 kW motor can increase the speed through the inverter?: 2-pole motor speed of about 2900 r / min or so, 4-pole motor speed of about 1400 r / min or so, which are in the case of 50HZ,

Q: What is the single axis of the inverter and multi-axis applications: Inverter is mainly used for AC motor (asynchronous motor or synchronous motor) speed adjustment, is recognized as the AC motor the best and most promising speed control program, in addition to excellent speed performance, the inverter is also significant Energy-saving effect, is the enterprise technological transformation and product upgrading of the ideal speed control device. Since the introduction of China since the 80s of last century, the frequency converter as energy-saving applications and speed of process control more and more important automation equipment, has been rapid development and wide application.

Q: How to disassemble the notebook power adapter: HP laptop power adapter for the whole design of small sealed, you can follow the following steps to dismantle: 1, laptop power adapter for the injection molding package or with a strong adhesive glue, without any screws, so generally only with violence Cracked. However, as long as the method properly, after the dismantling of the power adapter can be restored to the original, do not carefully observe almost no traces of open.

Q: How to view your own laptop power adapter is how much tile?: 1, the power adapter has a logo, you can find their own look, close to the paper or direct letterpress printed with the voltage, current and power. If there is no write power, the direct voltage multiplied by the current is the maximum power. 2, if the power adapter only identifies the output voltage is 20V, the output current is 4.5A, then we formula W (power) = V (voltage) xI (current) to calculate. Calculate the formula with a power to know the output power is 20 × 4.5 = 90W.

Q: Why the number of motor poles increased, the inverter capacity will increase: The power of the three-phase motor is equal to the root number of 3 times the line current and the line voltage of the product again good with the power factor. Can also be 3 times the phase current and phase voltage of the good product and then good to power factor. The frequency converter should match the rated current of the motor, not the power of the motor.

Q: What are the AC motor speed control methods? What are the characteristics of each: 1, the frequency converter: smooth, according to the need to adjust the speed, is the future direction of the development of AC motor; (FM) 2, star, triangular connection conversion, generally in the larger motor start star start, triangular operation, Starting current. (Magnetic pole pairs) 3, there is a two-speed, three-speed motor, an increase of the winding, the main change in the stator winding connection to change the speed. (Change the number of pole pairs) The speed of change has two factors: magnetic pole logarithm, frequency

Q: Delta VFD-A frequency converter motor number of poles set: The frequency parameters of the inverter motor are not set, because the inverter will automatically detect the number of pole pairs of the motor during operation, and it will not need to be set.

Q: Who knows how the inverter is calculated?: The synchronous speed of the two-pole motor is 3000 rpm,

Q: The laptop's power adapter is too hot to do: The original adapter heat should be no problem, the fan mouth is very hot, the weather may be more and more hot it!

Q: What is the output voltage of the laptop power adapter?: 16V to 20V, different brands may be different, 19V, 20V more.

As the leader in the field of medium Voltage Variable Frequency Drive, we have been focusing on providing the integrated solutions of automatic control and energy-saving technology etc. for customers, and its skill levels and market impact of medium voltage VFD are in the world-leading positions. We have provided products and services across more than twenty countries in six continents around the world, taking up the first market share (China) in the past nine years.

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Location	Beijing,China
Year Established	1998
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