LG%20Inverter

1
LG Inverter
iG5 , iS5 , iH , iV5 Series

• 2003. 3.

2
LG Inverter STARVERT Series
LG VFD
0.4kW 5.5 7.5 22 30
55 75 220 280 375kW

• O/L Inverter
• 1F 0.4kW 2.2 kW (200V)

iC5
200V
2 nd Qtr of 03
3 nd Qtr of 03

• space Vector (CT)
• 200 / 400 Volts
• 3F 0.4kW 3.7 kW

iG5
200V
2 nd Qtr of 04
400V
1 nd Qtr of 05

• O/L Vector (New)
• 200 / 400 Volts
• 3F 0.4 7.5 kW

iG5
200V
400V

• O/L, C/L Vector (CT)
• 200 / 400 Volts
• 3F 0.75 75 kW

iS5
200V
200V
400V
400V
iP5

• O/L Vector (VT)
• 200 / 400 Volts (New)
• 3F 5.5 - 75 kW

200V
200V
400V
400V
400V
iH

• Dual Ratings Inverter (CT/VT)
• 200 / 400 Volts
• 3F 30 - 375 kW

200V
400V
iV5

• Vector Inverter
• 200 / 400 Volts
• 3F 5.5 - 22 kW

200V
400V
3
iG5 Series
LG VFD
Main Feature 1

• General Inverter
• 0.75 - 3.7kW , 1 F / 3 F , 200 / 400 Voltage
• CE, UL, cUL Listed
• Digital MMI, Trip-less Operation
• Minimum/Optimum Acceleration , Deceleration
• 150 Torque at 0.5Hz
• IP00
• Small Size
• Cost Effective
• Various Functions and stable Operation

4
iG5 Series
LG VFD

• Digital MMI ( 4 7-segments display )
• Built in DB Transistor
• Built in RS485

Main Feature 2
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iG5 Series
LG VFD

• PID
• Parameter Copy
• 8 Step Speed and 8 Step Acc./Dec. Time
• Multi Function Input 3/Output 1 Terminal
• (Input 20 Functions, Output 16
  Functions)
• 3 Wire, Up-Down Operation
• Auto Torque Boost
• 1 10kHz Carrier Frequency

Main Feature 3
6
iG5 Series
LG VFD
Protective Functions

• Over Current, Over Voltage, Over Load
• Inverter Over Heat, ETH(Motor Thermal)
• Lower Voltage, Input Phase Loss, Output Phase
  Loss
• Fan Error, In/Out Wire Missing , DBTR Error
• Run Operation at Frequency command Loss
• Stall Prevention

7
iG5 Series
LG VFD
Options

• EMC filter Under-mounting type (Class B)
• DIN Rail installation plate
• Panel mounting plate and Remote cable 2, 3, and
  5 meters
• External Dynamic braking resistors
• Detachable keypad

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iG5 Series
LG VFD
Keypad
9
iG5 Series
LG VFD
EMC Filter Installation
10
iG5 Series
LG VFD
Remote Operation (Option)
? Loader ? Remote Cable
? Loader Holding Cover
11
iG5 Series
LG VFD
DIN Rail Installation (Option)
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iG5 Series
LG VFD
RS232/RS485 Communication
Multi-drop Link up to 32 Inverters
Max. Length 1.2km
Comm. Speed 1,200 19,200 bps
Windows Display
Parameter Set / Change
Graphic Scope Display
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iG5 Series
LG VFD
Dimension
kW Volts W H
D 0.75(F) 200/400 100mm 128mm
131mm 0.75 200/400 130mm 128mm
151mm 1.5 200/400 130mm 128mm
151mm 2.2 200/400 150mm 128mm
151mm 3.7 200/400 150mm 128mm
151mm
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iG5 Series
LG VFD
Optimum Acc/Dec
Trip
Traditional (Trip Occurred)
Optimum Acc/Dec (Tripless)
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iG5 Series
LG VFD
Power Block Diagram
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iG5 Series
LG VFD
Operation 1
DRV
MAK
FU1
Group
I/O
FU2
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iG5 Series
LG VFD
Operation 2
DRV Group

• Digital Frequency / Output Frequency
• Acc Time
• Dec Time
• Run Stop Mode, Frequency Mode
• Speed 1,2,3
• Output Current, RPM Display,DC Link Voltage
• Select User Define (Output Voltage/Output
  Power/Output Torque)
• Fault State

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iS5 Series
LG VFD
Main Feature 1

• General Inverter
• 0.75 - 22kW , 3F 200 / 400 Voltage Class
• Sensorless Vector Control
• 150 Torque at 0.5Hz
• CE, UL, cUL Listed
• Digital MMI (LED, LCD Keypad)
• Trip-less Operation
• IP20
• Option DeviceNet, F-Net Card
• Various Functions and stable Operation

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iS5 Series
LG VFD
Main Feature 2

• Easy to use
• LCD Keypad Alphanumeric LCD display (16
  x 2 ),
• 9 functional keys
• 7-segment Keypad 6 digit LED display,
• 4 keys and 1
  encoder
• Simple parameter setting and monitoring

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iS5 Series
LG VFD
Main Feature 3

• Sensorless Vector Control
• Auto Tuning
• Programmable Input/Output
• 8 Multi Step speed
• 8 Multi Step Acc/Dec Time
• 3 Wire , Up-Down Operation

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iS5 Series
LG VFD
Main Feature 4

• PID Control
• Auto Torque Boost
• Min/Optimum Acc/Dec
• Carrier Frequency 1kHz 15kHz
• Slip compensation
• Automatic retry
• Parameter lock ,copy

22
iS5 Series
LG VFD
Protective Functions

• Over Current, Over Voltage, Over Load
• Inverter Over Heat, ETH(Motor Thermal)
• Lower Voltage, Input Phase Loss, Output Phase
  Loss
• External Trip, Fuse Open, Option Error, Ground
  Fault
• Protection of short through
• Run Operation at Frequency command Loss
• Stall Prevention

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iS5 Series
LG VFD
Options

• RS485
• Modbus-RTU
• F-net
• Device-net
• Profibus-DP
• Digital Input 12 bit

• Sub-A,B,C
• DB Unit
• DB Resistor
• Remote Cable (2,3,5 m)
• LCD, 7-segment Keypad

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iS5 Series
LG VFD
F-Net (Option)

• F-net with LG PLC only
• Up to 64 nodes/Bus
• 256 byte Data Size
• Comm. Speed 1Mbps
• Max. Length 750m

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iS5 Series
LG VFD
Device-Net (Option)

• Open Protocol
• Maximum 64 Nodes
• 125 kpbs / 250 kbps / 500kbps
• 100m / 250m / 500m

LGIS is a member of
ODVA Open DeviceNet Venders Association
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iS5 Series
LG VFD
Sub Board (Option) (I/O Expansion)

• Sub - A
• 3 Multi Function Input, 3 Multi Function
  Output
• 1 Analog Input (V2), LM Output (010V)
• Sub - B
• Encoder Input (Sensored Vector,PG)
• Frequency Command by Pulse Train (0 100
  kHz)
• Sub-C (Isolation)
• 3 Multi Function Input, 1 Multi Function
  Output
• 1 Analog Input(V2) , 2 Analog
  Output(AM1,AM2)

Control PCB
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iS5 Series
LG VFD
Block Diagram
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iS5 Series
LG VFD
Block Diagram
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iS5 Series
LG VFD
Dimension
- 0.75 3.7kW (200 / 400Volts) W 150mm - H
284mm - D 157mm - 5.5 7.5kW (200 /
400Volts) W 200mm - H 355mm - D 183mm - 11
15kW (200 / 400Volts) W 250mm - H 385mm -
D 201mm - 18.5 22kW (200 / 400Volts) W
304mm - H 460mm - D 234mm
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iS5 Series
LG VFD
Torque - Speed Characteristic
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iS5 Series
LG VFD
PID Control

• Flow and Pressure Control
• Automatic Leveling Control
• Temperature Control
• Speed Control

iS5

Reference
Sensor
-
Feedback
Level signal 4 20mA or 0 10V
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iS5 Series
LG VFD
High Precision of Sensorless Vector Control
No Load Current at 0.5Hz
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iS5 Series
LG VFD
Parameter Auto Tuning

• Rs, Rr , Lsigma
• High Torque Performance at Low Speed
• Optimum operation at Overall Speed

Auto tuning
- Difficult to measure Motor Parameters - Low
Torque at Low Speed - Speed down at Load
Variation - Need Expert
- Easy to use - Measure Motor Parameter - High
Torque at Low Speed - Optimum Motor Control
Result
Traditional
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iS5 Series
LG VFD
Operation 1
DRV
FU1
MAK
FU2
APP
Group
I/O
COM
Option Board
EXT
Sub Board
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iH Series
LG VFD
Main Feature 1

• General Inverter
• 30 - 55kW (200 Volts) , 30 - 375kW (400
  Volts)
• Space Vector PWM
• Easy Operation (LCD Loader)
• Multi Function Input/Output
• Comm. Option RS485,F-net,DeviceNet etc.

36
iH Series
LG VFD
Main Feature 2

• Programmable Input/Output
• 8 Multi Speed
• 8 Multi Acc/Dec Time
• 3 Wire, Up-Down Operation
• PI Control
• Auto Torque Boost
• Restart after IPF
• Utility-Inverter Exchange Operation
• Carrier Frequency 2kHz 10kHz

37
iH Series
LG VFD
Protective Function

• Over Current, Over Voltage, Over Load
• Inverter Over Heat, ETH (Motor Thermal)
• Lower Voltage, Ground Fault
• External Trip, Fuse Open, Option Error,
• Protection of short through
• Stall Prevention

38
iH Series
LG VFD
Multi-Motor Control Application

• PI Control - Bypass
• Process Control
• Automatic Exchange Operation