KD200 (4~7.5kW) AC Frequency Inverter

Features

AC Frequency Inverter: Introduction
Economical series
General purpose ac frequency inverter
3AC 380~460V / 4~7.5kW
V/f, Sensorless Vector Control(SVC)
Infineon IGBT inside
Robust design
Widely applied in defferent applications
High start torque
Big overload capacity

KD200 (4~7.5kW) AC Frequency Inverter
Specifications
Features
Selection
AC Frequency Inverter: Specifications

Item

Technical Index

Specification

Input

Input voltage

  3AC, 380~460V±15%

Input frequency

  50/60Hz±5%

Output

Output voltage

  0~rated input voltage

Output frequency

  0~6000Hz

Control Features

Control mode

  V/f control
  Sensorless vector control
  Torque control

Operation command mode

  Keypad control
  Terminal control
  Serial communication control (Modbus)

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 combinated & switched in various modes.

Overload capacity

  150% / 60s, 180% / 10s, 200% / 1s.

Starting torque

  0.5Hz/150% (SVC); 1Hz/150% (V/f)

Speed control precision

  ±0.5% (SVC)

Carrier frequency

  0.5~16.0kHz, 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/deceleration mode

  Straight line/S curve; four kinds of acceleration/deceleration
  time, range: 0.0s~65000s

Braking unit

  0.4~18.5kW: build-in standard.
  >18.5kW, additional one should be connected if necessary.

DC braking

  DC braking when starting and stopping
  DC braking frequency: 0.0Hz~maximum frequency
  Braking time: 0.0s~25.0s

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 multi-step speeds 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

Over-voltage & over-current stall control

  Limit current & voltage automatically during the running
  process, prevent frequent over-current & over-voltage tripping

Fault protection function

  Comprehensive protections include 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 digital input: 5 multifunctional inputs
  2 programmable analog input:
  VI: 0~10V 
  CI: 4~20mA

Output terminals

  Relay output: 1 channel

  Open collector output: 2 channels

  Aanalog output: 1 channel (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.
  Two lines display.

Environment

Ambient temperature

  -10~50°C, without direct sunshine.

Humidity

  90%RH or less (non-condensing)

Altitude

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

Storage temperature

  -20~60°C

 

AC Frequency Inverter:  Features

No.
Items
KD200
1
Reliable hardware

Only first-class componens are built-in.
2
Rubust design

All the components are selected at higher size.
3
PCB aging test

100% test, 45°C, 12 hours.
4
Finished products aging test

100% test, 50°C, 24 hours.
5
Loading test

Two times, 100%:
1. After manufacturing.
2. After aging test.
6
Grouped pulse testing

Without failure under 4500V (better EMC performance).
7
Electrostatic testing

1. Noncontact conditions -- without failure under 10000V.
2. Under contact condition -- without failure under 5000V.
8
Unqualification during production

<0.03%
9
Total failure ratio at industrail sites

<0.5%
10
High overload capacity

150% / 60s, 180% / 10s, 200% /1s
11
Smart start / stop mode

Acceleration / Deceleration time can be set as 0.0s, the inverter start and stop the motor as fast as possible without failure.
12
S ccure Acceleration / Deceleration mode

Better start stop performance.
13
Big start torque

0.5Hz/150% (V/f), 1Hz/150% (SVC)
14
Better stop performance

1. Current is limited smoothly while stoping;
2. Stops smoothly in very short time for heavy load applications.
15
Better input voltage flexibility

-15%~+15% without failure.
16
Two lines display

Two lines parameters dispaly, convenient for commissioning operating.

AC Frequency Inverter: Selection

Inverter Model

Motor

Rated Input Current (A)

Rated Output Current (A)

kW

HP

 3AC 380~460V±15%

KD200-00400T4

4.0

5

11

9.5

KD200-00550T4

5.5

7.5

14.6

13

KD200-00750T4

7.5

10

20.5

17