China Vector Control Inverter Equipment Manufacturer and Machinery Provider - Vector Control Inverter Technology and Machine

Vector Control Inverter
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EM303BSeries open circuit inverter

The EM303B series inverter is a high performance vector controlled inverter which is introduced by the sine electric. This product adopts the international advanced speed sensorless vector control technology, not only the speed regulating performance of the asynchronous motor to achieve comparable to DC motor control performance and effect, can make the ordinary asynchronous motor reaches a torque motor, the motion control system requires fast response and accurate control of the stability of the system.

Specification
1.Speed sensorless SVC current vector control, Current control precision 5%, Steady speed control precision of + 7.5rpm;
2.Vectorization Based VVF control based on vector control method, the steady state performance is the same as that of standard vector control;
3.Wide range of speed, low frequency band, SVC/0.5Hz/150% load, VVF/1.0Hz/150% load
4.Automatically search motor speed, smooth without impact speed tracking
5.0.1s arbitrary plus and deceleration, automatic flow limiting, automatic voltage stabilization, to ensure motor no fault optimal control
6.Automatically restraining the impact load of the motor and ensuring the motor's failure to run continuously
7.Two modes of supporting linear acceleration and deceleration and S curve plus deceleration
8.The frequency converter automatically enters the corresponding optimal state of overvoltage and overcurrent stall, and can better control the current and voltage of the frequency converter.
9.The dual core CPU control has greatly improved the performance and stability of the single core CPU

Technology specification

item		specification
power	quota power voltage	Three phase 380V±20%, 50～60Hz±5%, voltage Unbalance rate
Output	Max output voltage	The maximum output voltage is the same as the input power supply voltage
	output quota current	100% continuous output of rated current
	Maximum overload current	10SecondsG type machine time is:150% quota current one minute, 180% quota current 10seconds 10SecondsP type machine time is:120% quota current one minute, 180% quota current 10seconds
Control function	drive mode	V/F Open loop control, no PG vector mode,
	input mode	Frequency (velocity) input and moment input
	start/stop	Keyboard, control terminal (second line control, three line control)RS485
	Frequency control range	0.00～600.00Hz
	Input frequency resolution	Digital input: 0.01Hz; analog input: 0.1%of max frequency.
	speed rate	1:50(Space vector), 1:100(no PG vector SVC)
	Speed control precision	Rated synchronous speed of + 0.2%
	Acceleration deceleration time	0.01sec～600.00sec/0.01min～600.00min 0.01sec～600.00sec/0.01min～600.00min
	Voltage / frequency characteristics	The rated output voltage is adjustable from 20% to 100%, and the basic frequency 20Hz to 600Hz can be adjusted
	Torque lifting	Automatic torque hoisting, fixed torque hoisting curve, custom V/F curve optional
	Starting torque	150%/1Hz(Space vector VF)、150%/0.5Hz(NO PG vector SVC)
	Torque control precision	±5%(no PG vector 1)quota torque
	Output voltage self adjustment	When the AVR function is effective, the input voltage changes and the output voltage remains unchanged.
	Automatic current limiting	Automatically limit the output current to avoid frequent overcurrent tripping
	DC brake	Braking frequency: 0.1~60Hz, Braking time: 0~30s Braking current: 0~150%quota current
	Signal input source	Communication, analog voltage, analog current, multi section speed, simple PLC and its combination
Special function control	Textile pendulum frequency	Realization of textile swing frequency function of swing frequency amplitude, swing frequency time and swing frequency jump
in/output function	reference power	10V/20mA
	terminal control power	24V/150mA
	digital input terminal	7 Loop digital programmable input terminal
	analog input terminal	4 loop analog input: 2loop voltage0~10V input 2loop current 0~20mA input
	Digital output terminal	2 road open collector output, 1 relay output, can be programmed The maximum output current of the collector output 50mA; the relay contact capacity 250VAC/3A or 30VDC/1A, operation: EA-EC close, EB-EC shut down.
	analog output terminal	2 way programmable analog output terminal, output 0~10V or 0~20mA
Keyboard display	LED display	Related information of digital tube display frequency converter
Keyboard display	Parameter copy	Code information that can be uploaded and downloaded to achieve fast parameter replication
protection	protection function	Short circuit, overcurrent, overload, overvoltage, undervoltage, lack of phase, overheating, external failure, etc.
condition	Installation location	Indoor, less than 1 kilometers above sea level, dust free, non corrosive gas, and no direct sunlight
	Applicable environment	-10℃～+40℃, 20%～90%RH(Non condensation)
	Vibration	less than 0.5g
	storage	-25℃～+65℃
	installation	Wall hanging type, ground control cabinet, wall type
protection grade		IP20
cooling		Air cooling

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FOSHAN POWTECH TECHNOLOGY COMPANY LIMITED.