General Vector Inverter

: http://liftcontrolsystem.com

AS500 general vector inverter is a newly developed frequency inverter designed to satisfy market demands. It is designed based on international advanced speed sensorless vector control technology, closed loop vector control and torque control technology. The vector inverter offers not only superior control performance as high end frequency inverters, but also improved reliability and environmental adaptability, as it is designed and manufactured to satisfy customers' varied application requirements and various industrial demands.

Designed based on advanced drive technologies, the vector inverter is able to control various types of electric motors such as an induction or asynchronous motor, permanent magnetic synchronous traction motor, permanent magnetic synchronous motor, permanent magnetic synchronous servo motor, and more. Due to this, the vector inverter has wide range of applications and is extensively used for control of escalators, water pumps, printing and dyeing equipment, textile machinery, chemical and plastic processing equipment, mining equipment, and oil field equipment, etc. To illustrate, it can be used for constant tension control, plastic injection machine energy saving control, and process PID control, and more.

Also, the general vector inverter features unique structure design. It has compact structure, wide input voltage range, independent air ducts, automatic detection function when powered on, and good resistance to water, dust and impact. Additionally, the vector inverter features complete protection functions including terminal protection, over-heat alarming, whole machine protection, and high precision current detection and protection, and more functions.

Under different control modes, our vector inverter allows electric motors to have different starting torque, speed range and speed stabilization precision, etc. Details are listed below:
1. V/F control mode
Starting torque: 0.50Hz, 180% rated torque
Speed regulation range: 1:100
Speed stabilization precision: ±0.5%

2. Open loop vector control mode
Starting torque: 0.20Hz, 180% rated torque
Speed regulation range: 1:200
Speed stabilization precision: ±0.2%

3. Closed loop vector control mode
Starting torque: 0.00Hz, 200% rated torque
Speed regulation range: 1:1000
Speed stabilization precision: ±0.02%

4. Torque control mode
The vector inverter supports online switch between torque control mode and speed control mode. The torque precision is ±5%, and response time is less than 10ms.

Technical Specifications of General Vector Inverter

Input	Rated voltage	380v~460v(-15%~ 10%), 3-phase power supply Optional 220v~240v, 3-phase power supply
	Rated frequency	50/60HZ
	Allowable voltage range	Voltage imbalance ≤3%; Allowable frequency fluctuation: ±5%
	Voltage dips	Under-voltage protection is available in 15ms, when there is 3-phase AC 380v~460v power supply, and the input voltage is less than AC300V
Output	Voltage(V)	Three-phase 0 to rated input voltage
	Frequency range	V/F control: 0.00~300.00HZ Vector control: 0.00~120hz
	Overload capacity	150%, 1 minute, 180%, 3s, 200%, 0.5s
	Efficiency (full load)	7.5kw and below ≧93%; 45kw and below ≧95%; 55kw and above ≧98%
Precision of output frequency	±0.01% (digital command, -10~45℃) ±0.01% (analog instruction, 25±10C)
Digital input/output	Digital input	8-channel. Input function can be user-defined
	Pulse frequency input	2-channel maximum input frequency: 0~50HZ
	Open collector output	2- channel Output function can be user-defined
	Relay output	4- channel, Normally open and close, Contact resistance: 5A 250VAC or 5A 30 VDC; output function can be user-defined
Pulse frequency output	1- channel, 0~50kHZ open collector pulse square signal output, programmable
Analog input/output	Analog voltage input	2- channel, -10~ 10 VDC or 0~ 10 VDC, precision 0.1%
	Analog current input	1- channel, 0~20mA, precision 0.1%
	Analog voltage output	2- channel, -10~ 10 VDC, precision 0.1%
	Potentiometer voltage	Provide 10 VDC power supply for setting speed of potentiometer (maximum 25mA)
Encoder input	PG power supply	5v, 12v, 300mA
	PG signal type	Open collector, push-pull, differential, SIN/COS, resolver, endat absolute type
	PG dividing frequency output	OA and OB orthogonal, dividing frequency coefficient 1~128
Control characteristics	Carrier frequency	2~16kHZ, carrier frequency may be adjusted automatically according to the load characteristic
	Preset frequency resolution	0.01hz (digital instruction) ±0.06hz/120hz (analog instruction 11bit unsigned)
	Operation command channel	Operation panel given, control terminal given, communication given
	Multiple Frequency Reference Modes	Operation panel, digital/analog terminals, communication mode, performance function
	Torque boost	Automatic torque boost; manual torque boost
	V/F curve	User-defined V/F curve, linear V/F curve and 5 kinds of torque-decreasing characteristic curves
	Automatic voltage regulation (AVR)	The duty ratio of output PWM signal is adjusted automatically according to the fluctuation of bus voltage, so as to reduce output voltage fluctuation caused by unstable power grid voltage
	Instantaneous power down disposal	At the time of instantaneous power down, bus voltage control is available so as to realize uninterrupted operation
	Dynamic braking capacity	Built-in braking unit for vector inverter of110kw and below class; Other inverters use external braking resistor
	DC braking capacity	Braking current: 0.0~150.0% rated current; DC braking time:0.0~30.0s
Unique functions	Parameter copy function	The standard operation panel can realize the parameter upload, download and display the copy progress. The user can select the upload forbidden function to avoid parameters be overwritten.
	Process PID	For closed-loop control of process variable
	Torque control	Switch between torque control and speed control can be achieved through terminals; diverse torque given methods
	Zero servo and position control functions	The vector inverter is able to achieve zero-speed position locking accurately
	Common DC bus	Multiple vector inverter can be powered by the common DC bus
	Power on self test	The vector inverter is able to realize the power-on auto-detection of internal and external circuits, including motor grounding, abnormal 10v power supply output, abnormal analog input, and disconnection
Motor protection	Rotor locking protection
	Motor overload protection
	Motor overheat(PTC) protection
	Speed limit protection
Torque limit protection
Vector inverter protection	Output current limit	Environmental condition		Location	Install the vector inverter vertically in a well ventilated electrical cabinet; horizontal or other installation method is not permitted. The cooling medium is air. Install the vector inverter in an environment without exposure to direct sunlight, dust, corrosive gas, inflammable gas, oil mist, steam and water drop.
	Torque limit			Ambient temp	-10~ 40℃
	Drive overload			Temperature derating	>40℃, for each 1℃ rise, rated output current reduces 1%, 50℃ at utmost
	IGBT's overload			Altitude	1000m
	Input power undervoltage /overvoltage			Height derating	>1000m, for each 100m increase in altitude, rated output current reduces 1%(3000m at utmost)
	DC bus undervoltage/overvoltage			Ambient humidity	5~95%,no condensation
	IGBT overheat			Vibration	3.5m/S2, 2~9HZ; 10m/s2, 9~120HZ
	Radiator overheat			Storage temp.	-40~ 70%
	Power failure			Degree of protection	IP20
	10v power output abnormity
	Analog input signal loss (loss of speed reference value)
	Abnormal communication
Others	Cooling type	Forced air cooling
	Installation method	In cabinet
	certification	CE
Rated input	Drive model	Rated output current(A)	Applicable motor(kw)	Overload 120%1min(A)
200~240V	AS500 2T01P5	6	1.5	9
	AS500 2T02P2	9	2.2	14
	AS500 2T03P7	14	3.7	22
380~460V	AS500 4T02P2	6	2.2	9
	AS500 4T0003	7	3	11
	AS500 4T0004	9	4	14
	AS500 4T05P5	13	5.5	20
	AS500 4T07P5	18	7.5	27
	AS500 4T0011	27	11	40
	AS500 4T0015	34	15	51
	AS160 4T18P5	41	18.5	62
	AS160 4T0022	48	22	72
	AS160 4T0030	65	30	98
	AS160 4T0037	80	37	120
	AS160 4T0045	97	45	146
	AS160 4T0055	128	55	192
	AS160 4T0075	165	75	248
	AS160 4T0090	195	90	292
	AS160 4T0110	240	110	360
	AS160 4T0132	270	132	405
	AS160 4T0160	302	160	453
	AS160 4T0185	352	185	528
	AS160 4T0200	390	200	585
	AS160 4T0220	426	220	639
	AS160 4T0280	520	280	780
	AS160 4T0315	585	315	877
	AS160 4T0335	650	355	975
	AS160 4T0400	740	400	1110

Note: As for vector inverters for 4-pole AC motor (1500r/min) with higher power and voltage class, please contact STEP Corporation. Be sure to check the motor nameplate to make sure selected vector inverter is compatible with the motor.

We are a professional general vector inverter manufacturer in China. At STEP we provide a variety of products including elevator inverter, integrated full serial VVVF control cabinet, calling board, elevator group control system, among others.