Product orientation:

  • Based on the latest motion control theory and technological achievement.KET-1000P series is brand new sensor less vector control high performance frequency inverter series of KET Technology. It achieves perfect motor control via servo function, and offers comprehensive drive solution.

MODEL : KET-1000P2 & MODEL : KET-1000P4

KET-1000P4 INVERTER :

KET-1000P2 INVERTER :


Table of rated current for different specifications :

G/F/H/S/Z/T/M
Votage
220V
220V
(240V)
380V
(415V)
460V
(440V)
575V
660V
Power (kW)
Current (A)
Current (A)
Current (A)
Current (A)
Current (A)
Current (A)
0.4
2.5
2.5
-
-
-
-
0.75
4
4
2.5
2.5
-
-
1.5
7
7
3.7
3.7
-
-
2.2
10
10
5
5
-
-
4
16
16
8.5
8
-
-
5.5
-
20
13
11
-
-
7.5
-
30
16
15
-
-
11
-
42
25
22
17
15
15
-
55
32
27
22
18
18.5
-
70
38
34
26
22
22
-
80
45
40
33
28
30
-
110
60
55
41
35
37
-
130
75
65
52
45
45
-
160
90
80
62
52
55
-
200
110
100
76
63
75
-
260
150
130
104
86
93
-
320
170
147
117
98
110
-
380
210
180
145
121
132
-
420
250
216
173
150
160
-
550
300
259
207
175
187
-
600
340
300
230
198
200
-
660
380
328
263
218
220
-
720
415
358
287
240
250
-
-
470
400
325
270
280
-
-
520
449
360
330
315
-
-
600
516
415
345
355
-
-
640
570
430
370
400
-
-
690
650
520
430
500
-
-
860
800
650
540

Standard Specifications


Items
Specifications
Power Voltage and
frequency
Single-phase 200~240V, 50/60Hz
Three-phase 200~240V, 50/60Hz
Three-phase 380~415V, 50/60Hz
Three-phase 440~460V, 50/60Hz
Three-phase 575V, 50/60Hz
Three-phase 660V, 50/60Hz
Three-phase 1140V, 50/60H
Allowable Fluctuation range voltage: ±15% frequency: ±5%
Control Control system high performance vector control inverter based on 32 bit DSP
Output frequency G/F/Z/S/T/M type: 0.00~800.0Hz, maxmum frequency can be set between 10.00 and 800.0Hz
H type: 0.00~2000.0Hz, maxmum frequency can be set between 10.00 and 2000.0Hz
control method V/Fcontrol Sensorless vector control Sensor close loop vector control
Start torque 0.50Hz 180% 0.25Hz 180% 0.00Hz 180%
speed adjustable range 1: 100 1: 200 1: 2000
Speed stabilizing precision ±0.5% ±0.2% ±0.02%
waveform produce methods Asynchronous space vector PWM, N-class sub-synchronous space vector PWM, two-phase optimization of space vector PWM.
Auto torque boost function Achieve low frequency (1Hz) and high output torque control under V.F control mode.
Accelerate /decelerate control Sub-set S curve acceleration and deceleration mode, maximum acceleration and deceleration time is 3200 days
Long running time control 16 segments speed run, maximum running time is 3200 days
frequency setting accuracy Digit: 0.01Hz(below 300Hz), 0.1Hz(above 300Hz);
alalogue: 1% of maxmum frequency
frequency accuracy Speed control tolerance 0.01%(25℃±10℃).
V/F curve mode Linear, 1.2 times the power, 1.7 times the power, 2 times power, user-set 8 V / F Curve.
Over load capability G / S type: 150% rated current -1 minute, rated current 200% -0.1 second;
F: rated current 120% -1 minute 150% of rated current -0.1 second;
Z / M / T type: rated current 180% -1 minute 250% rated current -0.1 second;
H: rated current 250% -1 minute 300% rated current -0.1 second.
slip compensation V / F control can automatically compensate for deterioration.
Running Running method Keyboard/terminal/communication
Starting signal Forward, reverse, jog (parameter control direction), forward jog, and reverse jog.
Emergency stop Interrupt controller output.
fault reset When the protection function is active, you can automatically or manually reset the fault condition.
Running status Motor status display, stop, acceleration and deceleration, constant speed, the program running.
DC brake Built-in PID regulator brake current flow in the premise, however, to ensure adequate braking torque.
Protection Inverter protection Overvoltage protection, undervoltage protection, overcurrent protection, overload protection, over-temperature protection, over the loss of speed protection, over-voltage stall protection, phase protection (optional), external fault, communication error, PID feedback signal abnormalities, PG failure
IGBT temperature desplay Display current IGBT temperature
Inverter fan control The fan starting temperature can be set(optional)
Instant power-down re-start Less than 15 milliseconds: continuous operation.
Greater than 15 milliseconds: Automatic detection of motor speed, instantaneous power-down re-start.
Speed starting track method automatically track motor speed when inverter starts
Parameter protection function Protect inverter parameters by setting the password and decoding
IO 8 way switch input Can be customized into 47 kinds of functions, to achieve forward, reverse, forward jog, and reverse jog, emergency stop, reset, speed, acceleration speed, run-time switch, and pulse counting.
3 way analog inputs Can be defined as a switch input;
To allow for maximum input range-10V ~ +10V, 0 ~ 20mA
2 way anolog output Can achieve output range 0 ~ +10V, 0 ~ 20mA
Virtual terminal function Can be set to a virtual terminal, using communication or keyboard IO port, and with the IO port status display.
Keyboard Frequency set In 6 main ways + to 7 kinds of auxiliary to the way of the keyboard, three way analog input, pulse input, digital potentiometers.
Keyboard cable 8-core cable, in line with EIA T568A, EIA T568B standards.
Double keyboard port Supports dual-keyboard, synchronous control, independently of each other.
Double and multi function keys MF1, MF2 can be customized as addition and subtraction, forward, reverse, forward jog, and reverse jog, emergency stop, rise and fall, and other 9 kinds of ways.
4-parameter storages Control panel can be realized four groups of inverter parameters of upload, download, with manufacturer password to reset factory setting.
Running info At most display 3 monitoring parameters. Select by A00, A01, A02
Fault info Store 5 groups error messages at most, you can check the type of failure time when failure occurrs, set frequency, output frequency, output voltage, output current, running state, running time, IGBT temperature.
Commu-
nication
Double RS485 port Rs485 port and an optional keyboard completely isolated RS485 communication module.
CAN BUS Can select can-bus module.
Speed 16-segment speed At most 16 segments can be set (use multi-functional terminal to shift or program runs).
8-segment running time At most 8 segment running time can be set (multi-functional terminal can be used to shift)
8 segment acceleration speed At most 8 acceleration speed(can use the multi-functional terminal to switch).
Seven-Segment Speed Configuration At most 7 segment speed configuration can be set (multi-functional terminal can be used to switch).
PID PID feedback signal Six kinds of ways, keyboard, three way analog input, pulse input, digital potentiometers.
PID giving signal Six kinds of ways, keyboard, three wayl analog input, pulse input, digital potentiometers.
Motor 2 goups of motor parameters With the motor parameters, parameter can be selected, parameter identification automatic storage.
3 identification method Name plate calculation, static measurement, rotation measurements.
5 name plate parameters Rated frequency, rated current, rated voltage, the number of pole pairs, rated speed.
5 indentification parameters N-load current, stator resistance, rotor resistance, stator inductance, mutual inductance.
Environ-
ment
Environment temperature -10C ~ 40C, 40 ~ 50C derating between the use is increased by 1 C, rated output current decrease of 1%.
Store temperature -40C~+70C
Environment humidity 5~ 95 %, N condensation
Height·vibration 0 ~ 2000 meters, 1000 meters above derating use, increased by 100 m, rated input decreased%
Application location Mounted vertically inside the control cabinet with good ventilation, do not allow the level, or other installation method. The cooling medium is air. Installed in the absence of direct sunlight, N dust, N corrosive and explosive gas, N oil mist, N steam, N drip environment
Cooling method Forced air cooling and natural air cooling.

Technical feature::

  • Sensor less Vector control frequency inverter with high performance, excellent quality and low pollution
  • It achieves quick-response and precise control  by decoupling control of motor magnetic flux current and torque current, which makes the speed adjustment and torque control runs at a high degree of accuracy and wide range.
  • Brand new hardware platform, advanced processing technique and perfect testing equipment, which guarantees the applicable reliability
Function Introduction::

  • Central control module based on DSP, realizes high-speed and high performance control.
  • Integrate V/F control, V/F+PG control, vector control. Automatic recognize the parameter of the motor! Auto-adjust to the best control mode!
  • Dead zone compensate function and Automatic slip compensate, 180% torque output can come out below 0.5HZ frequency.
  • Eight switch inputs, three analog inputs, two analog output, 0-10V or 0-20mA from inside the scope of the definition signal!
  • Support feedback signal: 0-10v, 1-5v, 0-20mA, 4-20mA
  • Simple PLC Function, at most 15 segments speed control and 8 segments acceleration control can be realized.
  • Humanization display menu, highlighted Chinese OLED+LED, simultaneous display 3 groups of state parameters.
  • Keyboard is hot-pluggable and can restore or copy 4 groups of running parameter programs.
  • Powerful communication function which can support standard RS485 and Modbus and provide remote keyboard control .
  • Built-in PID self-adjusting
  • Rotate speed tracking start and power-off reset function
  • High effective function on default record and recheck, easy trouble -shooting.
  • Unique EMC design minimizes pollute to electricity resource.
  • Entire coating can work in various of severe environment.
  • Simplicity and fashionable design with industrialize features
  • Ratings:
  • Power rating : 0.4~630.kw
  • Frequency scope: 0.00~2000.00Hz
  • Voltage grade: 220V/380V/460V/575V/660V/1140V
Applications:

Mechanics, electronics, metallurgy, mining, petrochemical, transportation, building materials, municipal, metal processing, textile, printing and dyeing, paper making, Injection machine, central air conditioning, numerical control machine tool, air-compressor, fan and pump, blower, air conditioner for large buildings; wastewater treatment system; water supply system for large buildings; public water supply system and other industries and fields.

  • One key to Shuttle," keyboard, swirling free, two-way custom buttons, with the demand for expansion.
  • Low-frequency large torque, 0.3Hz with the 180% torque output
  • Intelligent design, simple PLC + program can copy and download, the Electrical motor parameters ie able to fulfill the smart identification
  • Powerful communication function, RS485/MODBUS standard interfaces.