Medium Voltage Variable Frequency Drive Inverter

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Energy Saving Fields

Power Generation: Induced draft fan, forced draft fan, condensate pump, feed pump, primary air fan, secondary air fan, booster fan, circulating pump, mill fan, slurry pump etc
Cement: draft fan, high-temperature fan, air blower, dust collection fan, grinding machine etc.
Metallurgy: blast furnace blower, slurry pump, feed water pump, dust fan, compressor etc.
Petroleum&Chemical: Water injection pump, crude oil pump, Compressor, fan, circulation pump, etc
Urban water supply: Water delivery pump, water intake pump, water supply pump, sewage treatment industry, self-fractionating pump etc
Minerals & Mining: Mud pump, ventilation fan, belt conveyor, slurry pump etc
Others: Loads such as fan, pump and compressor in pharmaceutical, paper making and wind tunnel test.

Especially for: Fan and Pump

Specification

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°C
Storage/transport temperature	-40~70°C
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:Ordinary 4-pole motor Under the control of the inverter, the higher the speed, the higher the power or the slower the power: It is wrong; the higher the speed is not equal to the greater the power;

Q:The laptop's power adapter can be used on a desktop computer: Desktop machine is called DIY it ~ is the assembly machine inside the motherboard graphics card hard drive memory What is the need for power supply every power to have a different interface

Q:Do you need to rectify before switching?: Need to rectify. The inverter is actually an inverter, which first turns the alternating current into direct current, then switches the DC power with the electronic components, changes to alternating current, and the general-purpose inverter is equipped with a thyristor and an adjustable frequency The frequency is adjustable in a certain range, and it is used to control the number of revolutions of the motor, so that the number of revolutions can be adjusted within a certain range.The frequency converter is widely used in the speed regulation of AC motor. Technology development direction, with the development of power electronics technology, AC frequency conversion technology from theory to practice gradually mature. Inverter not only smooth speed, large range, high efficiency, start current is small, smooth operation, and energy saving effect is obvious. 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. Generally divided into rectifier circuit, flat wave circuit, control circuit, inverter circuit, and so on several major parts.

Q:4 pole 380V 4-5.5KW frequency conversion motor and inverter about how much money, such as the use of electromagnetic speed motor comparison: 5.5 inverter motor around 2000 it is almost so much money electromagnetic speed does not know that we do not produce, but now the basic are the frequency of the world

Q:400w 6-pole motor should be equipped with much of the inverter?: Under normal circumstances, the market are sold on the inverter are based on the common 4-pole motor matching, when to match the 6-pole motor, the inverter to a large power level, which is 400W of the first-class power 0.75KW, and so on

Q:Is the laptop power adapter high temperature normal? Is there anything else?: Normal, my power adapter is also very hot, generally ignore

Q:How can a variable speed multi - speed three - phase asynchronous motor be controlled by a frequency converter?: Although the waste, but can be used, we use the frequency band with two-speed motor when the output is connected to the fast three terminals, you can refer to the next

Q:Inverter principle eff23: According to the use of classification, can be divided into general-purpose inverter, high-performance dedicated inverter, high-frequency inverter, single-phase inverter and three-phase inverter. VVVF: change the voltage, change the frequency CVCF: constant voltage, constant frequency. The AC power supply used by each country, whether it is for home use or for the factory, has a voltage and frequency of 400V / 50Hz or 200V / 60Hz (50Hz), and so on. In general, a device in which an alternating current having a constant voltage and frequency is converted into a voltage or a variable frequency alternating current is referred to as a "inverter". In order to produce a variable voltage and frequency, the device first converts the alternating current of the power supply into direct current (DC). For the motor control of the inverter, both can change the voltage, but also can change the frequency. Inverter control mode

Q:Laptop power adapter output voltage is not the same as the current? What's the effect?: so this replacement is generally feasible in the general use , But the remaining power supply power margin is very small, once your books took a lot of peripherals, such as two usb hard drive, and then cpu full speed operation, and then a base, the above to drive a full speed to read the disk, plus While charging the battery, it is estimated that the danger, and at any time to touch your power is not already already boiled eggs. 72w more than the 56w adapter 16w is to cope with this situation. So it is best not to use a small current instead of high current power supply

Q:What is the maximum speed adjustable for a 4-stage motor with a rated frequency of 50Hz / 60Hz?: Can be transferred to the rated frequency of 2 times, but to filter the mechanical characteristics of the motor and motor running time, to filter into the motor fever.

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