Y900 VFD for Permanent Magnet Motor

voltage allowed

range of change

Three-phase  AC 380V ~ 480V

Single phase  AC 190V ~ 260V

Output

Voltage

0 ～ 480V

0 ～ 260V

frequency

Vector control: 0～500Hz

Overload capacity

G type machine: 150% rated current for 60s; 180% rated current for 3s.

P type machine: 120% rated current for 60s; 150% rated current for 3s.

Control method

V/F control, speed sensorless vector control (SVC)

Control characteristics

Frequency setting

resolution

Analog input

Maximum frequency×0.025%

Digital settings

0.01Hz

V/F control

V/F curve

Three methods: linear type; multi-point type; square curve

Torque boost

Manual setting: 0.0~30.0% of rated output

Automatic lifting: automatically determine the lifting torque according to the output current and combined with the motor parameters

Automatic current limiting and pressure limiting

Whether during acceleration, deceleration or stable operation, it can automatically detect the motor stator current and voltage, and suppress it within the allowable range based on a unique algorithm to minimize the possibility of system fault tripping.

Control characteristics

Inductive vector control

Voltage frequency characteristics

Automatically adjust the output voltage-to-frequency ratio based on motor parameters and unique algorithm

Torque characteristics

Starting torque:

150% rated torque at 3.0Hz (V/F control)

150% rated torque at 0.5Hz (vector control without speed sensor)

Operating speed steady-state accuracy: ≤±0.2% rated synchronous speed

Speed fluctuation: ≤±0.5% rated synchronous speed

Torque response: ≤20ms (vector control without speed sensor)

Self-determination of motor parameters

Without any restrictions, automatic parameter detection can be completed under both static and dynamic conditions of the motor to obtain the best control effect.

Current and voltage suppression

Full current closed-loop control, completely avoiding current impact, with complete overcurrent and overvoltage suppression functions

Undervoltage suppression during operation

Especially for users with low grid voltage and frequent fluctuations in grid voltage, even if the voltage is lower than the allowed voltage range, the system can maintain the longest possible operating time based on a unique algorithm and residual energy allocation strategy.

Typical functions

Multi-speed and swing frequency operation

16-segment programmable multi-segment speed control, multiple operating modes available. Swing frequency operation: preset frequency and center frequency are adjustable, state memory and recovery after power outage

PID control

RS485

communication

Built-in PID controller (frequency can be preset), standard configuration RS485 communication function

Frequency setting

Analog input

DC voltage 0~10V, DC current 0~20mA (upper and lower limits optional)

digital input

Operation panel setting, RS485 interface setting, UP/DOWN terminal control, and various combination settings with analog input

output signal

digital output

2 Y terminal open collector outputs and 2 programmable relay outputs (TA, TB, TC), up to 58 meaning options

Analog output

2 analog signal outputs, the output range can be flexibly set between 0~20mA or 0~10V, which can realize the output of physical quantities such as set frequency and output frequency.

Automatic voltage stabilization operation

You can choose dynamic voltage stabilization, static voltage stabilization, or unstabilized voltage according to your needs to obtain the most stable operating effect.

Acceleration and deceleration time setting

0.0s~6500.0s can be set continuously, S-shaped and linear modes are optional

brake

Energy consumption

brake

Energy consumption braking starting voltage, hysteresis voltage and energy consumption braking rate are continuously adjustable

DC

brake

Stop DC braking starting frequency: 0.00~[F00.10] maximum frequency

Braking time: 0.0~100.0s; Braking current: 0%~100% rated current

Low noise operation

The carrier frequency is continuously adjustable from 0.5KHz to 16.0KHz to minimize motor noise.

RPM tracking speed

restart function

Can realize smooth restart and instantaneous power failure restart function of the motor in operation

run function

Upper and lower limit frequency settings, frequency jump operation, reverse operation limit, slip frequency compensation, RS485 communication, frequency increase and decrease control, fault self-recovery operation, etc.

Alarm content

There are 8 operating parameter records including output frequency, set frequency, output current, output voltage, DC voltage, module temperature, power-on time, and running time when three faults trip.

Protective function

Overcurrent, overvoltage, undervoltage, module failure, electronic thermal relay, overheating, short circuit, input and output phase loss, abnormal motor parameter tuning, internal memory failure, etc.

Environment

ambient temperature

-10℃～+40℃ (environment temperature is between 40℃～50℃, please derate for use)

ambient humidity

5%～95%RH, no water droplets condensation

surroundings

Indoor (no direct sunlight, no corrosion, flammable gas, oil mist, dust, etc.)

altitude

Derating for use above 1000 meters, derate by 10% for every 1000 meters.

Structure

Protection level

IP20

cooling method

Air-cooled, with fan control

Installation method

Wall-mounted, cabinet type

Single phase

220V

0.75

4.5

0.75

1.5

7.0

1.5

2.2

10

2.2

Three phase

380V

0.75

2.5

0.75

1.5

3.7

1.5

2.2

5

2.2

4.0

9

4.0

5.5

13

5.5

7.5

17

7.5

11

25

11

15

32

15

18.5

37

18.5

22

45

22

30

60

30

37

75

37

45

90

45

55

110

55

75

150

75

93

176

93

110

210

110

132

253

132

160

300

160

200

380

200

220

420

220

250

470

250

280

520

280

315

600

315

355

640

355

400

750

400

450

840

450