• KE300A-XX-T12 (1140V) Medium Series Voltage Inverter

KE300A-XX-T12 (1140V) Medium Series Voltage Inverter

KE300A medium voltage series inverter is a special product designed for special voltage grade motor load in mining, petroleum and other industries;

Advanced tri-level hardware topology and AFE rectification technology for superior motor drive performance and affinity to the grid; The new modular design effectively adapts to the special needs of mine explosion-proof equipment and is widely used in mining equipment such as belt conveyors, hoists, winches, monkey cars, and emulsion pumps.

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Features of KE300A-XX-T12 (1140V) Medium Series Voltage Inverter


  • Leading three-level topology

  • Output waveform is more sinusoidal

  • Output voltage change rate is significantly reduced

Technical Specifications of KE300A-XX-T12 (1140V) Medium Series Voltage Inverter


Product type

KE300A-T6/12(690V/1140V)series

Function description

Specification

Input

Rated input voltage (V)

AC 3PH 970V~1310V

Rated input frequency

50Hz/60Hz, permissible range 47~63Hz

Rated input efficiency (%)

Above 98%

Rated input power factor (%)

Above 0.85

Output

Rated output voltage (V)

0~input voltage

Output frequency

0~400Hz

Operation control characteristics

Control mode

V/F(has V/F separation function), open-loop vector, closed-loop vector

Motor parameter autotuning

Support static motor autotuning and rotary autotuning

Speed regulation range

Closed-loop vector: 1:1000;  open-loop vector: 1:100

Speed control precision

Closed-loop vector: ±0.1% max speed; open-loop vector: ±0.5% max speed

Speed fluctuation

±0.3%(open loop vector control); ±0.1%(closed loop vector control)

Torque control precision

10%(open loop vector control); 5%(closed loop vector control)

Starting torque

0.5Hz 150% (open loop vector control); zero frequency  180% (closed loop vector control)

Overload capacity

60s for 150% of rated current, 10s for 180% of rated current, 1s for 200% of rated current

Important function

Master/slave control, multi-step speed running, simple PLC, multiple ACC/DEC time switching, S curve ACC/DEC, fan rotation control, energy-saving operation, PID adjustment, MODBUS communication, droop control, torque control, torque and speed control mode switching, etc.

Protection function

Motor overheat protection, overload protection, overvoltage protection, undervoltage protection, input phase loss protection, output phase loss protection, overcurrent protection, overheat protection, overvoltage stall protection, overcurrent stall protection, short circuit protection, etc.

Peripheral interface

AI

Two(AI1、AI2)0~10V/0~20mA, one(AI3)-10~10V

AO

Two(AO1、AO2)-10~10V /-20~20mA

DI

Six digital inputs are included in standard configuration

DO

One open collector output is included in standard configuration

Two relay outputs are included in standard configuration, contact capacity: 3A/AC250V,1A/DC30V

Communication mode

485 communication(MODBUS protocol) is included in standard configuration, optional CAN, optical fiber, Profibus-DP

Others

Keypad

LCD display is included in standard configuration, compatible with LED keypad

Ambient temp

10℃~+40℃, derate if the ambient temp is above 40℃

RH

5%~95%

Storage temp

-40℃~+70℃

Elevation

Below 1000m, derate if the elevation is above 1000m, derate by 1% for every additional 100m

Protection level

IP00、IP20、IP54


Model

Rated Input Voltage

Motor Power

Rated Output Amperage

(V)

(KW)

(A)

3AC 1140V

KE300A-018G-T12

3AC 1140V

18.5

13

KE300A-030G-T12

3AC 1140V

30

21

KE300A-037G-T12

3AC 1140V

37

26

KE300A-045G-T12

3AC 1140V

45

31

KE300A-055G-T12

3AC 1140V

55

42

KE300A-075G-T12

3AC 1140V

75

52

KE300A-090G-T12

3AC 1140V

90

58

KE300A-110G-T12

3AC 1140V

110

73

KE300A-132G-T12

3AC 1140V

132

86

KE300A-160G-T12

3AC 1140V

160

104

KE300A-185G-T12

3AC 1140V

185

115

KE300A-200G-T12

3AC 1140V

200

121

KE300A-220G-T12

3AC 1140V

220

132

KE300A-250G-T12

3AC 1140V

250

162

KE300A-280G-T12

3AC 1140V

280

188

KE300A-315G-T12

3AC 1140V

315

208

KE300A-355G-T12

3AC 1140V

355

221

KE300A-400G-T12

3AC 1140V

400

260

KE300A-450G-T12

3AC 1140V

450

292

KE300A-500G-T12

3AC 1140V

500

325

KE300A-560G-T12

3AC 1140V

560

355

KE300A-630G-T12

3AC 1140V

630

415

KE300A-680G-T12

3AC 1140V

680

450

KE300A-750G-T12

3AC 1140V

750

475

KE300A-800G-T12

3AC 1140V

800

500


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