Medium Voltage Variable Frequency Drive System 1

Medium Voltage Variable Frequency Drive

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Medium Voltage Variable Frequency Drive

High Voltage 6KV Frequency Inverter is 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 6KV Frequency Inverter

High Voltage 6KV Frequency Invertercan 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.

Technology Data of High Voltage 6KV Frequency Inverter

6KV series VFD

Model	A06/050	A06/050～ A06/080	A06/080～ A06/100	A06/100～ A06/170	A06/170～ A06/220	A06/220～ A06/400	A06/400～ A06/610
Capacity(kVA)	≤500	500～800	800～1000	1000～1750	1750～2250	2250～4000	4000～6250
Rated output current (A)	≤50	50～80	80～100	100～170	170～220	220～400	400～610
Motor power (kW)	≤400	400～630	630～800	800～1400	1400～1800	1800～3250	3250～5000
Input frequency	45Hz～55Hz
Rated input voltage	6000V±10%
Power factor	0.95(>20%load)
Efficiency	0.96with 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 input/output	expanded according to requirement
Ambience temperature	0~40℃
Storage/transport temperature	-40~70℃
Cooling	air cooling
Ambience humidity	<90%,without condensation
Altitude	<1000m
IP class	IP20
Size(mm)(W×H×D)	3600×2480×1200	3900×2480×1200	4200×2480×1200 5100×2480×1200		5200×2580×1200	6600×2580×1300 8700×2780×1400
Weight (kg)	3500～4000	4000～5000	5000～6000		6000～8000	8000～14000

10KV series VFD

Model	A10/080	A10/080～ A10/150	A10/150～ A10/210	A10/210～ A10/400
Capacity(kVA)	≤1250	1250～2500	2500～3500	3500～6250
Rated output current (A)	≤80Rated output current (A)	80～150	150～210	210～400
Motor power(kW)	≤1000	1000～2000	2000～2800	2800～5000
Input frequency	45Hz～55Hz
Rated input voltage	10000V±10%
Power factor	0.95(>20%load)
Efficiency	0.96with 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 input/output	expanded according to requirement
Ambience temperature	0~40℃
Storage/transport temperature	-40~70℃
Cooling	air cooling
Ambience humidity	<90%,without condensation
Altitude	<1000m
IP class	IP20
Size(mm)(W×H×D)	4500×2480×1200	5700×2480×1200	6800×2580×1300	10600×2580×1300
Weight(kg)	3500～6000	6000～8000	8000～15000	15000～19000

System Principle of High Voltage 6KV Frequency Inverter

High Voltage 6KV Frequency Inverter

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 current is not the same alternative?: so the output voltage, the same output polarity, the output current of the adapter can be used in smaller power notebook, and small power adapter can not be used to give Powerful notebooks,

Q: Three-phase asynchronous AC motor speed control method: First, variable pole alignment speed method This method is to change the way to change the stator winding red way to change the cage motor stator pole to achieve the purpose of speed, the characteristics are as follows: With a hard mechanical properties, good stability; No slip loss, high efficiency; Wiring is simple, easy to control, low prices; A level of speed, large difference, can not get smooth speed; Can be used with the regulator speed, electromagnetic slip clutch used to obtain a more efficient smooth speed control characteristics. This method is suitable for production machinery that does not need stepless speed regulation, such as metal cutting machine tools, lifts, lifting equipment, fans, pumps and so on.

Q: Laptop power adapter (no power supply, but indicator light): Notebook power adapter can not charge, but the indicator light does not light the common reasons are: 1, the power adapter is broken or the connector is broken. 2, the power adapter output problem, no output or output is too low, can not give the computer charge. 3, the notebook charging interface is broken, not into the electricity charge. 4, the notebook power management circuit out of the fault, resulting in can not charge.

Q: Yasukawa inverter reported bb code that is the reason why the base blockade?: This should be the meaning of the drive block, that is, the drive signal is locked, there is no drive signal, and start a frequency change but no voltage output, you find someone to repair the circuit board can be used normally, this is generally the circuit board Problem, the module is less likely to be bad

Q: Fuji inverter motor set the number of poles will not have any effect?: The number of poles is not the same as the speed is not the same mistake machine can not work or motor coil burned

Q: Do not the laptop directly connected to the power adapter?: 4, but you can use the external 14 ~ 20V battery, connected to the matching power plug for the notebook power supply, the effect and the use of the same power adapter.

Q: Does the inverter set the number of poles to match the number of poles of the motor?: Variable-frequency (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 composed of rectifier (AC variable DC), filter, inverter (DC variable AC), brake unit, drive unit, detection unit micro-processing unit and so on.

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.

Q: 380V 2 pole motor can use the inverter?: Of course, the stator winding can be connected with concentric While enameled wire to be better, preferably 180 degrees or 155, and even dedicated enameled wire

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.

1. Manufacturer Overview

Location	Beijing,China
Year Established	1998
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Nearest Port	TIANJIN
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Language Spoken:	ENGLISH,CHINESE
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