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AS450 Vector Drives

AS450 drive is a vector drive. AS450 drive not only has the typical V / F control technology, but also uses the speed sensor free vector control technology, closed-loop vector control and torque control technology. These technologies further strengthen the product reliability, environmental adaptability, customization and industrial design, which can well meet the application requirements of various heavy-duty applications.

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1. Open loop vector control and torque control technology;

2. Strong master-slave control function, suitable for flexible and rigid connection;

3. High speed lifting function, when light load or no load, the frequency converter can calculate the operation speed according to the size of the negative load, so as to improve the working efficiency.

AS 450 vector drive
Model	AS450 Vector Drives
Applicable motor (kW)	2.2-560
Overload class	150%, 60s
Output frequency	V / F control: 0.00-300.00Hz Vector control: 0.00-120.00 Hz
PG card power	5V, 12V, 300mA
PG card signal	Open collector, push-pull, differential, Resolver type
Applicable motor type	Induction motor
Control method	V / F control	Open loop Vector control	closed loop Vector control
Starting torque	2.50Hz 150%	0.5Hz 150%	0.00Hz 150%
Speed range	1:50	1: 200	1: 1000
Steady speed precision	± 2%	± 0.2%	± 0.02%
Torque accuracy	± 5% (closed loop control)
Torque control	Torque / speed control can be switched through terminals, with multiple torque setting modes
Zero servo control	Can achieve zero-speed position lock
Built-in brake unit	22kW and below
Built-in DC reactor	22kW and above
Applications	1.5 times overload for heavy load of light industry Expansion machinery: Food Extruder Air compressor: screw compressor, centrifugal compressor Building material machinery: woodworking carving machine, centrifugal industrial washing machine, heavy medium pump, roots blower

Power input	Input voltage	380-460V (-15% ~ + 10%), three-phase power
	Input Frequency	45-65Hz
	Allowable voltage fluctuation	Voltage unbalance <3%
	Instant-drop	Three-phase AC380-460V power supply, under voltage protection will work in 15ms if the input voltage is lower than AC300V
Power output	Voltage	0 V - input voltage
	Overload Class	Stable 40 ℃; heavy duty 150% , 1min
	Efficiency (full load)	≥0.94
	Output frequency accuracy	± 0.01% (digital command -10 ~ + 45 ℃) ; ± 0.1% (simulation instruction 25 ± 10 ℃)
Digital I / O	Opto-isolated input	7channels, 24V high active low can be set, input function can be defined
	Open collector output	2channels,Output functions can be defined
	Relay output	2channels, normally open contacts, contact capacity: inductive, 1.5A / 250VAC, Output functions can be defined 2channels, normally open, normally closed contacts bis Contact capacity: resistive,4.5A/250VAC or 4.5A/30VDC Sensibility: 0.4A / 250VAC or 0.4A / 30VDC Output function can be defined
Analog I / O	Analog Input Voltage	2channels,Accuracy 0.1%; Voltage:-10V~ + 10VDC Or Current: 0-20mA optional signal
Analog I / O	Analog voltage output	2channels,Accuracy 0.1%; Voltage:-10V~ + 10VDC Or Current: 0-20mA optional signal
Control characteristics	Carrier frequency	1.1-8 kHz; According to the load characteristics, the carrier frequency can be adjusted automatically
	Frequency setting resolution	0.01Hz (digital command),± 0.06Hz / 120Hz (11bit + unsigned analog instruction)
	Run command channel	Setting of operation panel, control terminal and communication
	Given channel frequency	Operation panel setting, digital / analog setting, communication setting, function setting
	Torque rise	Automatic torque rise, manual torque rise
	V / F curve	User defined V / F curve, linear V / F curve and three kinds of torque reduction characteristic curve
	Automatic voltage regulation (AVR)	According to the fluctuation of bus voltage, the duty cycle of output PWM signal can be adjusted automatically, so as to reduce the influence of grid voltage fluctuation on output voltage fluctuation
	Instantaneous stop non-stop processing	In case of instantaneous power failure, uninterrupted operation can be realized by bus voltage control
	DC braking capacity	Braking current:0.0~120.0% Of rated current
Special feature	Parameter copy	Standard operating panel can achieve parameter upload, download, copy-progress indicator
	Process PID	It can be used for closed-loop control of the process variable
	Common DC bus	Full range enabling more than one common DC bus power drive
Motor protection	Locked rotor
	Motor overload
	Speed limit
Drive protection	Output current limit
	Drive overload
	IGBT I²t overload
	Input voltage: Under voltage / Over voltage
	DC bus under-voltage / over voltage
	IGBT overheating
	Radiator overheating
	Power failure