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V&T Technologies affordable servo drive supplier

V&T Technologies affordable servo drive supplier

V&T Technologies affordable servo drive supplier

Delivery Time
With 20 days after deposit
Port of loading
Shenzhen,Shanghai
Sample provide
yes
Sample free
yes
Sample freight payer
buyer
Term of payment
T/T,L/C
Price
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V&T Technologies affordable servo drive supplier-1

Product Overview

VA series is a high performance synchronous and asynchronous AC servo driver developed for permanent magnet synchronous AC motor and three-phase asynchronous motor. VA series support RS485 communication and EtherCAT bus, and combine with  the upper computer to have multiple servo drivers controlled with networking and field bus system.
Representative Industry:Grinder


Model Explanation


V&T Technologies affordable servo drive supplier-2


Product Catalogue


EVA−H−4TXXG


Power(kW)

3.7

5.5

7.5

11

15

18.5

22

30

37

45

55

75

90

110

132

160

Motor(kW)

3.7

5.5

7.5

11

15

18.5

22

30

37

45

55

75

90

110

132

160

Output

Voltage(V)

3 phase 0~Rated Voltage

Rated Current(A)

9

13

17

24

30

39

45

60

75

91

112

150

176

210

253

304

Max Current(A)

16

23

31

43

54

70

81

108

135

164

202

270

317

378

400

547

Overload capacity

150%  1 min,180%  10 second, 200%  0.5 second,interval: 10 minutes (inverse time lag feature)

Input

Voltage/ frequency

3 three phase 380V~480V;50Hz/60Hz

Allowable voltage range

323V~528V;Voltage imbalance :≤3% ;allowable frequency fluctuation:±5%

Rated Current(A)

10

15

19

26

33

43

50

66

83

100

123

165

160*

196*

232*

282*

Braking unit

Built-in as standard

Built-in as optional

IP

IP20

Cooling mode

Natural air cooling

Forced air cooling


Control Characteristics

Control mode

synchronous motor control without encoder  /asynchronous motor control without encoder

synchronous motor control with an encoder/asynchronous motor control with an encoder


Startup torque

0.2%  rated speed on motor,180%  rated torque

0 speed,180% rated torque


Range of speed regulation

1:200

1:1000


Precision of steady speed

± 0.5%

± 0.02%


Product Functions

Key functions

undervoltage regulation, speed tracking, torque limitation, multi-stage speed, motor self-learning, weak magnetic control, current limitation.


Designated speed mode

RS485, keyboard, terminal, analog quantity, multi-stage speed, simple PLC, PID, pulse frequency.



Braking capacity on Power Consumption

400V driver:brake unit voltage:650~750V。


Dual 485 communication ports

Dual 485 communication interface supports Modbus protocol(RTU);standard operation panel meet remote control , up to 500 meters.


Common DC bus

The whole series meet common DC bus power supply for multiple drives.


Independent air duct

The whole series uses independent air duct design,and support radiator cabinet with installed outdoors


Protecht Function

undervoltage, overcurrent protection, over-voltage protection, abnormal comparison level, self-learning to identify fault, protection of the module, radiator overheating protection, overload protection on driver, overload protection on motor, peripheral protection, current detection, the output of a short circuit, abnormal operation of the power,abnormal input power, EEPROM anomaly, relay and abnormal disconnection, analog input, temperature sampling disconnection, encoder, an abnormal motor overheating (PTC), communications, hardware, overload protection.

Efficiency

Rated power: 7.5kW and lower power grade≥93%;11kW to 15kW≥95%。

Environment

Operating site

The product should be mounted vertically in the electric control cabinet with good ventilation.Horizontal or other installation modes are not allowed.it is air cooling


Ambient temperature

-10 to +40℃, the product must be de-rated output current for the ambient temperature between 40℃ to 50℃, the rated output current must be de-rated for 1% per 1℃ temperature rise


Humidity

5~95%,no condensing


Altitude

0~2000m, the product must be de-rated rated output current for the altitude above 1000 meters, the rated output current must be de-rated for 1% per 100 meters rise


Vibration

3.5 m/s2,2~9Hz;10 m/s2,9~200Hz;15 m/s2,200~500Hz。


Storage temperature

−40~+70℃。




Installation Dimension


Driver appearance


V&T Technologies affordable servo drive supplier-3


VA−H−4T7.5G and lower power grade



V&T Technologies affordable servo drive supplier-4


VA−H−4T11G and higher power grade



Drive mounting dimensions and weight


Voltage

Model

Appearance, Installation Dimensions(mm)

weight(kg)

W

H

D

W1

H1

D1

T1

Hole d

400V

VA−H−4T3.7G

155

249

197.7

136

232

69

8

5.5

3.3

VA−H−4T5.5G

VA−H−4T7.5G

VA−H−4T11G

210

337

230

150

324

107.5

2.5

7

8.5

VA−H−4T15G

VA−H−4T18.5G

285

440

250

200

425

107.5

2.5

7

17

VA−H−4T22G

VA−H−4T30G

VA−H−4T37G

315

575

247

220

553

123.5

2.5

10

25

VA−H−4T45G

VA−H−4T55G

400

615

275

270

590

123.5

3.0

10

35

VA−H−4T75G

VA−H−4T90G

465

745

335

343

715

156

3.0

12

55

VA−H−4T110G

VA−H−4T132G

540

890

395

370

855

205.5

4.0

14

85

VA−H−4T160G

Digital Servo Processors

It can implement more complex control algorithms, and realize digitalization, networking and intelligence. Power devices generally use a drive circuit designed with the Intelligent Power Module (IPM) as the core. The drive circuit is integrated in the IPM, and it also has over-voltage, over-current, overload, under-voltage and other fault detection and protection circuits. Start-up circuit to impact the driver in series during the start-up process. The power drive unit first rectifies the input high-voltage power or mains power through a series full-bridge rectifier circuit to obtain the corresponding DC power. The permanent magnet synchronous AC servo motor is driven by rectifying the normal upstream power or the city power, and then by the inverter sinusoidal PWM voltage type inverter. The whole process of the power drive unit can be simply said as the process of AC-DC-AC. The main waveform circuit of the rectifier unit (AC-DC) is a series full-bridge uncontrolled rectifier circuit.

With the large-scale application of servo systems, the use of servo drives, servo drive debugging, and servo drive maintenance are all relatively important technologies of servo drives today. More and more industrial control technology service providers have conducted in-depth research on servo drives.

Servo driver is an important part of modern motion control. It is widely used in industrial robots and CNC machining centers and other automation equipment. Especially, the servo drive of variable speed control AC permanent magnet synchronous motor has become a research hotspot at home and abroad. In the design, current, speed and position 3 closed-loop control algorithms based on vector control are commonly used. Whether the speed closed-loop design in this algorithm is reasonable or not plays a key role in the entire servo control system, especially the speed control performance.



The production technology of V&T Technologies servo drive is advanced, which is in line with the industry standards. It is not easy to crack, peel or fade
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