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  • KE300F Open-loop Permanent Magnet Synchronous Drive

KE300F Open-loop Permanent Magnet Synchronous Drive

With the world-leading sensorless current vector control technology (SVC) for synchronous motor, KE300F can accurately identify the motor parameters, dynamically estimate the rotor speed and pole position, and can easily drive all types of permanent magnet synchronous motors (SPM & IPM). KE300F can be widely used for the synchronous motor driving applications where better speed control and low-frequency torque are required.

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Features of KE300F Open-loop Permanent Magnet Synchronous Drive

  • Leading synchronous motor sensorless vector control (SVC)

With the world-leading sensorless vector control technology (SVC) for synchronous motor, capable of easily driving all types of permanent magnet synchronous motors (SPM & IPM) with no need encoder feedback.

  • Enhanced over-excitation regulation

With enhanced over-excitation regulation, providing fast stop with no need for braking resistor.

  • Non-stop when instantaneous power off

With the capability of non-stop when instantaneous power off, ensuring the system continuously operate without tripping in case of instantaneous power off.

  • Ultra-high speed flux-weakening control

With ultra-high speed flux-weakening control, the max. frequency could be up to 500Hz (SVC), easy for the applications requiring high speed.

  • Excellent design and superb manufacturing process

With large design margin for key components and PCB;


Adopting industry-leading automatic spraying and strict automatic testing standards, making sure more stable and reliable products;

With optimized control algorithms and comprehensive protection functions, making more outstanding performance of the complete product.

Specification of KE300F Open-loop Permanent Magnet Synchronous Drive

Item

Technical Index

Specification

Input

Input voltage

1AC 220V±15%,3AC 220V±15%,3AC 380V±15%,3AC 660V±15%

Input frequency

47~63Hz

Output

Output voltage

0~rated input voltage

Output frequency

V/f control: 0~3000Hz

Sensorless vector control: 0~300Hz

Control

Features

Control mode

V/f control

Sensorless vector control

Torque control

Operation command

mode

Keypad control

Terminal control

Serial communication control

Frequency setting

mode

Digital setting, analog setting, pulse frequency setting, serial

communication setting, multi-step speed setting & simple PLC, PID

setting, etc. These frequency settings can be combined & switched in

various modes.

Overload capacity

G model: 150% 60s, 180% 10s, 200% 3s

Starting torque

0.5Hz/150% (SVC),1Hz/150% (V/f)

Speed adjustment range

1:100 (SVC),1:50(V/f)

Speed control precision

±0.5%(SVC)

Carrier frequency

1.0-16.0kHz,automatically adjusted according to temperature and

load characteristics

Frequency accuracy

Digital setting: 0.01Hz

Analog setting: maximum frequency * 0.05%

Torque boost

Automatically torque boost; manually torque boost: 0.1%~30.0%

V/f curve

Three types: linear, multiple point and square type (1.2 power, 1.4

power, 1.6 power, 1.8 power, square)

Acceleration/decele ration mode

Straight line/S curve; four kinds of acceleration/deceleration time,

range: 0.1s~3600.0s

DC braking

DC braking when starting and stopping

DC braking frequency: 0.0Hz~maximum frequency, braking time:

0.0s~100.0s

Jog operation

Jog operation frequency: 0.0Hz~maximum frequency

Jog acceleration/deceleration time: 0.1s~3600.0s

Simple PLC & multi-step speed operation

It can realize a maximum of 16 segments speed running via the built-in

PLC or control terminal.

Built-in PID

Built-in PID control to easily realize the close loop control of the

process parameters (such as pressure, temperature, flow, etc.)

Automatic voltage regulation

Keep output voltage constant automatically when input voltage

fluctuating

Control

Function

Common DC bus

Common DC bus for several inverters, energy balanced automatically

Torque control

Torque control without PG

Torque limit

“Rooter” characteristics, limit the torque automatically and prevent

frequent over-current tripping during the running process

Wobble frequency control

Multiple triangular-wave frequency control, special for textile

Timing/length/counting control

Timing/length/counting control function

Over-voltage & over-current stall control

Limit current & voltage automatically during the running process,

prevent frequent over-current & over-voltage tripping

Fault protection function

Up to 30 fault protections including over-current, over-voltage,

under-voltage, overheating, default phase, overload, shortcut, etc., can

record the detailed running status during failure & has fault automatic

reset function

Input/output

terminals

Input terminals

Programmable DI: 7 on-off inputs, 1 high-speed pulse input

2 programmable AI: AI1: 0~10V or 0/4~20mA

                                   A12: 0~10V or 0/4~20mA

Output terminals

1 programmable open collector output: 1 analog output (open collector

output or high-speed pulse output)

2 relay output

2 analog output: 0/4~20mA or 0~10V

Communication terminals

Offer RS485 communication interface, support MODBUS-RTU

communication protocol

Human machine interface

LED display

Display frequency setting, output frequency, output voltage, output

current, etc.

Multifunction key

QUICK/JOG key, can be used as multifunction key

Environment

Ambient temperature

-10℃~40℃, derated 4% when the temperature rise by every 1℃

(40℃~50℃).

Humidity

90%RH or less (non-condensing)

Altitude

≤1000M: output rated power, >1000M: output derated

Storage temperature

-20℃~60℃

Storage environment

Indoor, no direct sunlight, dust, corrosive gas, flammable gas, oil mist, steam, dripping water, salt, vibration


Inverter Model

Motor

Rated Input Current (A)

Rated Output Current (A)

KW

HP

1AC 220V/230V/240V -15%~15%

KE300F-0R4G-S2

0.4

0.5

5.4

2.3

KE300F-0R7G-S2

0.75

1.0

8.2

4.0

KE300F-1R5G-S2

1.5

2.0

14.0

7.0

KE300F-2R2G-S2

2.2

3.0

23.0

9.6

KE300F-004G-S2

4.0

5.2

25.0

15.0

KE300F-5R5G-S2

5.5

7.2

38.0

23.0

KE300F-7R5G-S2

7.5

10.0

50.0

32.0

3AC 220V/230V/240V -15%~15%

KE300F-2R2G-T2

2.2

3

10.5

9

KE300F-004G-T2

4.0

5

18

17

KE300F-5R5G-T2

5.5

7.5

26

25

KE300F-7R5G-T2

7.5

10

35

32

KE300F-011G-T2

11

15

46.5

45

KE300F-015G-T2

15

20

62.5

60

KE300F-018G-T2

18.5

25

76

75

KE300F-022G-T2

22

30

92

91

KE300F-030G-T2

30

40

113

112

KE300F-037G-T2

37

50

157

150

KE300F-045G-T2

45

60

180

176

KE300F-055G-T2

55

75

214

210

KE300F-075G-T2

75

100

307

304

3AC 380V/400V/415V -15%~15%

KE300F-0R7G-T4

0.75

1

3.4

2.1

KE300F-1R5G-T4

1.5

2

5.0

3.8

KE300F-2R2G-T4

2.2

3

6.8

6

KE300F-004G-T4

4.0

5

10

9

KE300F-5R5G-T4

5.5

7.5

15

13

KE300F-7R5G-T4

7.5

10

20

17

KE300F-011G-T4

11

15

26

25

KE300F-015G-T4

15

20

35

32

KE300F-018G-T4

18.5

25

38

37

KE300F-022G-T4

22

30

46

45

KE300F-030G-T4

30

40

62

60

KE300F-037G-T4

37

50

76

75

KE300F-045G-T4

45

60

92

90

KE300F-055G-T4

55

75

112

110

KE300F-075G-T4

75

100

157

150

KE300F-090G-T4

90

125

180

176

KE300F-110G-T4

110

150

214

210

KE300F-132G-T4

132

175

256

253

KE300F-160G-T4

160

210

307

304

KE300F-185G-T4

185

250

350

340

KE300F-200G-T4

200

260

385

377

KE300F-220G-T4

220

300

430

423

KE300F-250G-T4

250

330

468

465

KE300F-280G-T4

280

370

370

520

KE300F-315G-T4

315

420

420

585

KE300F-350G-T4

350

470

470

650

KE300F-400G-T4

400

530

530

720

KE300F-450G-T4

450

600

600

820

KE300F-500G-T4

500

660

660

900

KE300F-560G-T4

560

750

750

1000

KE300F-630G-T4

630

840

840

1100

3AC 660V/690V -15%~15%

KE300F-015G-T6

15

20

21

19

KE300F-018G-T6

18.5

25

28

22

KE300F-022G-T6

22

30

35

28

KE300F-030G-T6

30

40

40

35

KE300F-037G-T6

37

50

47

45

KE300F-045G-T6

45

60

55

52

KE300F-055G-T6

55

75

65

63

KE300F-075G-T6

75

100

90

86

KE300F-090G-T6

90

125

100

98

KE300F-110G-T6

110

150

130

121

KE300F-132G-T6

132

175

170

150

KE300F-160G-T6

160

210

200

175

KE300F-185G-T6

185

250

210

195

KE300F-200G-T6

200

260

235

215

KE300F-220G-T6

220

300

257

245

KE300F-250G-T6

250

330

265

260

KE300F-280G-T6

280

370

305

300

KE300F-315G-T6

315

420

350

330

KE300F-350G-T6

350

470

382

374

KE300F-400G-T6

400

530

435

410

KE300F-450G-T6

450

600

490

465

KE300F-500G-T6

500

660

595

550

KE300F-560G-T6

560

750

610

590

KE300F-630G-T6

630

840

710

680


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