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Inverter Products Line

LG Inverters

iG

iHiV

iS3

0.37 - 4 kW

2.2 - 22(220) kW 30 - 220 kW

2.2 - 22 kW

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Products Mix (in Quantity)

LG Inverters

iG

iHiV

iS31997

7% 1%

23% 69%

0.37 - 4 kW

2.2 - 22(220) kW

2.2 - 22 kW

30 - 220 kW

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Space Vector PWM Control

Low

TotalHarmonic

Distortion

Low

Current

Ripple

Low

Torque

Ripple

Better Efficiency

(Low Iron loss in Motor)

High Torque

Overall Speed Range

Stable & Smooth Operation(Better Quality Production)

High Voltage Utilization

(Approx. 15.9% Better)

Low Motor Heat

(Extended Motor Life)

Space Vector PWM

LG Inverters

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Space Vector PWM Control

LG Inverters

SIN - PWM Space Vector PWM

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Special Application Demand

LG Inverters

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Built-in PI ControlLG Inverters

PI

Command

Frequecny Setting

F 1

F 18

Analog Input

Mode

Selection

Analog Input Filter

Gain Selection

F 19

Analog Input

Gain

F 20

Analog Input

Bias

F 21

Feedback

Filter

Gain Selection

H 26

Feedback

Input Gain

H 27

Feedback

Input Bias

H 28

-1

Analog Input

Direction Setting

F 22

PI Reference

Scale Factor

H 23

I Gain

H 25

P Gain

H 24

Positive

LimitH 29

Negative

LimitH 30

PI Selection

H 22

Freqeuncy

Lo LimitF 24

Freqeuncy

Hi Limit

F 23

Key-Pad

V1 0~10V)

I 4~20mA)

012

To RampInput

iG s PI Control

H 1Multi-Input

Mode Selection

0 ~ 34

P1

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120V Interface Card

120 Volt Control

Interface Card

LG Inverters

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Drive ViewLG Inverters

Windows Display

Parameter Set / Change

Graphic Scope Display

Multi-drop Link up to 32 Inverters

Length : Maximum 0.72 mile

Baud Rate : 1,200 ~ 19,200 bps

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Available for LG PLC

Master-K, New MKS Series

Proprietary Protocol

Link Available up to 96 Inverters

1 Mbps, Maximum 750m

PLC Interface OptionLG Inverters

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LG InvertersPG(Pulse Generator)

Interface Option

Available For both Differential

and Open Collector Type

Encoders500 - 8,000 ppr

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OptionsLG Inverters

PG Interface

Available for Both Differential

and Open collector Type Encoders

500 - 8,000 ppr

PLC Interface

Available for LG PLCMaster-K

Proprietary Protocol

Link Available up to 96 Inverters

1 Mbps, Maximum 2.46 feet

Device Net

Open Protocol

Cost-effective Networking

Maximum 64 Nodes125 Kbps / 250 Kbps / 500 Kbps

328 feet / 820 feet / 1,640 feet

External Braking Resistor

Remote Control Cable &

Keypad Mounting Fixture

Built-in Braking IGBT

iG, iS3, iV : 15 - 30HP

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Quality CertificatesLG Inverters

iG

iHiV

iS3

1 & 3, 200/400V, 0.37 - 4 kW

3, 200/400V, 2.2 - 22 kW

3, 200/400V, 2.2 - 22(220) kW

ISO9001

ISO14001

3, 200/400V, 30 - 220 kWAvailable in 2000

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LG InvertersProduction Process & Inspections

Components

Incoming

Automatic

Assembly

Manual

Assembly

Test

Operation

Packing &

Shipping

: Inspection or Test

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LG InvertersTest Equipment & Facilities

Electrical

Test

Mechanical

Test

Environmental

Test

Accelerated

Life Test

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Rated Output RangeLG Inverters

iG

iHiV

iS3

General Purpose

200 / 400 Volts

1 phase 0.75 - 1.5 kW

3 Phase 0.37 - 4 kW

General Purpose200 / 400 Volts

3 phase 2.2 - 22 kW(CT)

3 Phase 3.7 - 30 kW(VT)

Vector Control

200 / 400 Volts

3 phase 2.2 - 22(220) kW

General Purpose

200 / 400 Volts

3 phase 30 - 220 kW

200V

400V

200V

400V

200V

400V

200V

400V

0.37kW 4kW 22kW 55kW 220kW

400V

200V

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1 0.75 - 1.5kW 200 Volts

3 0.37 - 7kW 200 Volts / 400 Volts

iG series

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Generals Features(1/2)

iG series Easy to Use

7-Segment Keypad with 5 functional Keys

Simple Parameter Setting and Monitoring

Parameter Read, Write with Keypad

Powerful Performance

High Starting Torque : 150%

Slip Compensation

Output Frequency up to 400Hz

Acceleration/Deceleration Time 0 ~ 999 second

Recovery from Instantaneous Power Failure

(Flying Start)

Built in Braking Chopper

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Generals Features(2/2)

iG series Flexible Control

Multi-Step Operation( up to 9 Steps)

2 Sets of Selectable Ramp Pattern

3 Programmable Input / 2 Programmable output

Adjustable Carrier Frequency 3 ~ 15 kHz

Built In Protective Function

Automatic Retry

Stall Prevention

Motor & Inverter i2t

Over-Current

Over-Voltage

Under-Voltage

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Stall Prevention

Rapid Acceleration & Deceleration without Load (Flywheel Only)

Acc. Time : 0.0 seconds

without Stall prevention

Acc. Time : 0.0 seconds

with Stall prevention

iG series

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Keypad & Menu

iG series

FUNC

FUNC

Menu Driven Type Setting

- Basic Group

- FU1 ( Function Group)

- FU2 ( Sequence Group)

Parameter Lock

Parameter Read, Write for Copy

Optional Remote Cable and

Panel Door Mounting Fixture

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3 2.2 - 22kW 200 Volts / 400 Volts

iS3 series

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Generals Features(1/3)

iS3 series Easy to Use

Keypad with 16 X 2 Alphanumeric LCD display

and 10 Functional Keys

Optional 6 digit 7-Segment Keypad

Parameter Read, Write for Copy and Lock with Keypad

Powerful Performance

High Starting Torque : 150%

Automatic Torque Boost

Various V/f Pattern

Slip Compensation

Recovery from Instantaneous Power Failure (Flying Start)

Built in Braking Chopper

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iS3 seriesFlexible Control

Output Frequency up to 400Hz

Acceleration/Deceleration Time 0 ~ 6,000 second

Multi-Step Operation( up to 9 Steps)

8 Sets of Selectable Ramp Pattern6 Programmable Input / 4 Programmable output

Adjustable Carrier Frequency 3 ~ 15 kHz

UP/DOWN Operation

3-wire Operation

Pre-Programmable Sequence Operation- Pulse Triggered

- Time Scheduled

Additional Parameter Set for Alternative motor

Generals Features(2/3)

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Keypad

iS3 series

MODE PROG ENTER

REV RESET FWD

STOP

Menu Driven Type Setting

- DRV (Main Group)

- FUN (Function Group)

- I / O (Sequence Group)- AUT (Auto Group)

Parameter Lock

Parameter Read, Write and Copy

Optional Remote Cable

Optional 7-Segment Keypad

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3 30 - 55 kW 200 Volts3 30 - 220 HP 400 Volts

iH series

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iH seriesGenerals Features(1/2)

Easy to Use

Keypad with 16 X 2 Alphanumeric LCD display

and 10 Functional Keys

Optional 6 digit 7-Segment Keypad

Parameter Read, Write for Copy and Lock with Keypad

Powerful Performance

High Starting Torque : 150%

Automatic Torque Boost

150% Overload Capacity for 1 minute

Various V/f Pattern

Slip Compensation

Recovery from Instantaneous Power Failure (Flying Start)

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Special PI Control forMulti-Motor Control

* iS3 customized S/W version

LG InvertersUp to 4 Motors

Automatic exchange

of Motor

PI - BypassSleep

Interlock

iS3

iH

RMain

Supply

Opt_Man

RUN

S

T

U

V

W

FX

P1

P2

P3

Q2

Q3

IFeedBack(4~20mA)

Reference P4

P6

AX1

Q1

V1

IM IM IM IM

PI

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3 2.2 - 22 kW 200 Volts / 400 Volts

iV series

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General Features

iV seriesClosed Loop Vector Control

True Field Oriented Control with Speed Feedback

(Rotor Flux Oriented Control)

Precise Control of Speed and Torque

Full 4 Quadrant Control

Full Torque at Low and ZERO Speed

High Performance

Speed Control Range of 1 : 1,000

0.01 % of Torque Control Accuracy

250 % of Instantaneous Torque Control Capability

3 % of Open Loop Torque Control Linearity

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iV seriesGeneral Features(2/2)

Flexible Functions

Programmable Analog Input(-10~10V) 2 channel

Analog Output(0~10V) 2 channel

Programmable Digital Input 7 channel

Digital Output 5 channel

2 Sets of Acceleration and Deceleration Ramp

with Linear or S-Shape Curves

Built - In Functions

Process PI for Draw, Tension, Winder and Unwinder Control

Droop Control for Load Balance or Iron Process Helper Roll

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Torque Characteristics

T-N Curve Torque ramp with zero speed

T

Speed[rpm]

0 1500 3600

50%

150%

75%

100%

0 rpm

150%

-150%

Time[0.5sec/div]

T Speed[rpm]

iV series

* Test Sample : 10HP, 220V

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iV seriesInterface Options

PLC Interface

120Volt Control

InterfaceRS232/485

Interface

CAN

Interface

Multi-function

Interface