LSI Variable Frequency Drives

Starvert series is one of leading variable frequency drive(AC drive). Basic function of AC drive is to transform DC to AC electronically and controls the speed of motor by changing voltage and frequency inputted from common power(AC220V/440V). Starvert series offers wide lineup to satisfy various industrial-needs. With LS Starvert series, you can be benefited from energy-effective and environment-friendly automation system.

Startvert iS5 Features

• Sensorless & sensored vector control inverter
• Sensorless & sensored vector controller iS5 (0.75~75kW) keeps your application in more stable, durable and precise condition. And iS5 maximizes user-convenience with Auto Tuning, PID control, etc.

kW/Voltage Ratings:

0.75 ~ 55kW, 3 phase, 200 ~ 230VAC
0.75 ~ 75kW, 3 phase, 380 ~ 480VAC

Selectable V/f, Sensorless vector, Sensored vector control (Optional)
Built-in process PID control
Optimum acceleration & deceleration for a maximum torque
APP parameter group for special operations;
Traverse, Multi Motor Control, DRAW
Multi-function I/O terminal:
Input: 27 functions / Output: 21 functions
Multi Motor Control (Up to 4 motors: Optional)
Motor parameter Auto-tuning
Parameter Read/Write function using a detachable LCD Keypad
8 Preset speeds
Extension I/O boards (Optional) : Sub-A, Sub-B,l Sub-C
Communication options:
Modbus RTU, Profibus-DP, DeviceNet, RS485(LS Bus), Fnet(LS PLC link)
Built-in Dynamic braking transistor (Up to 7.5kW [10HP])
Monitoring & commissioning PC based software tool (Drive View)

Startvert iH Features

Robust dual rated high power inverter Dual rated inverter iH fits for HVAC applications with Space Vector Control. (30~220 kW, CT & VT) Its perfect motor control and various protection functions provide clients stability and creditability.

• Inverter type: PWM with IGBT
• Control method: Volts/Hertz with Space vector PWM technology
• 30 ~ 55kW (200V class) , 30 ~ 375kW (400V class)
• Convenient handling (Keypad)
• CT-VT dual ratings
• RS485 Communication (Option)
• 3 Wire, UP-DOWN operation function
• Auto torque boost
• Restart function when instant power loss
• Multi-function, Stable operation
• Built- in PID control
• 6 Multifunctional Inputs, 5 Multifunctional Output (Input : 27 function, Output : 21 function)
• 8 preset speeds
• 2kHz to 10kHz carrier frequency

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Startvert IC5 Features

Dynamic & Micro single phase inverter

Small capacity and high performance LS inverter iC5 series.

• iC5 provides satisfies various customer needs with Modbus, PID control, Sensorless vector control, Auto Tuning, etc.
• Sensorless vector control The iC5 adopts sensorless vector control algorithm, and it improves not only the torque control characteristics, but the speed controlability in an uncertain condition caused by the load variation as well.
• Auto Tuning The auto tuning algorithm in the iC5 sets the motor factors automatically that brings the traditional commissioning difficulties mainly in low speed by the load variation and the low torque generation to a settlement.
• Highly efficient DSP chip The iC5 adopts highly efficient DSP(Digital Signal Processing) chip to improve processing speed, flexibility, stability and etc.
• PNP, NPN Dual Control Signal The iC5 provides PNP and NPN signals for outside controllers. It works with 24Vdc regardless of the type of PLC or control signals.
• Communication interface, Modbus-RTU The iC5 provides the most popular communication interface, ModBus-RTU for remote control by PLC or other devices.
• PID Control PID process control is used in iC5 to make speed corrections quickly with a minimal amount of overshoot and oscillation for the control of flow, temperature, pressure and etc.

Startvert iG5

User friendly compact inverter. Compact and economic LS inverter iG5 series has powerful and optimum performance. iG5 series satisfies various customer needs with built-in communication, PID control, space vector, PWM, etc.

• Space Vector PWM technology
• 0.75~1.5kW 1 Phase 200V Class
• 0.75~3.7kW , 3 Phase 200 / 400 Voltage Class
• Conformity to global Standard : CE, UL, cUL
• Digital MMI, Trip-free operation
• Optimal acceleration and deceleration
• 150% Torque at 0.5Hz
• Enclosure: IP00 - IP20
• Much smaller size compared to the previous model
• multi-function, stable operation
• Built-in RS485
• Built-in PID control
• Built-in ModBus-RTU
• DIN rail base for easy installation (Option)
• Cable for Remote Keypad Operation (Option)
• 8 preset speeds
• 3 Multifunctional Inputs, 1 Multifunctional Output
• Manual/Auto torque boost
• 1 to 10kHz carrier frequency

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Startvert iG5A

Powerful & compact sensorless vector control inverter

LS Starvert iG5A is very competitive in its price and its functional strength compared to iG5. User-friendly interface, extended inverter ranges up to 7.5kW, superb torque competence and small size of iG5A provides an optimized user environment.

• Selectable V/f, sensorless vector control
• Motor parameter Auto-tuning
• Powerful torque at overall speed range

0~ 400Hz frequency output

• -15% ~ +10% input voltage margin
• Fault history: Last 5 faults
• 0~10Vdc / -10 ~ +10Vdc analog input
• IP20 enclosure, UL Type 1 (Option)
• Selectable manual/automatic torque boost
• Selectable PNP/NPN input signal
• 2nd motor control and parameter setting
• Built-in Dynamic braking transistor as standard
• Enhanced process PID control
• Built-in RS485 (LS Bus / Modbus RTU) communication
• Cooling fan On/Off control & Easy change
• Remote control using external keypad * RJ45 cable(Optional)
• Upgraded functions: Sleep & Wake-up (Energy savings)

KEB(Kinetic Energy Buffering) protection

Low leakage PWM algorism

• Monitoring & commissioning PC based software tool (Drive View)

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Startvert iP5A

Fan & Pump exclusive use inverter

Starvert iP5A series adopt various functions as standard for operation of Fan and Pump. iP5A's optimum performance for Fan & Pump, you can optimize system stability in user-environment and reduce system construction cost.

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Startvert iV5

Vector invertor for high-torque precision control

LS Starvert iV5 series realizes the high precision vector control in entire operational area and its highly precise speed control guarantees superb control stability in the elevator controls.

• Auto tuning: In the application which requires a high torque at low speed, the electrical parameters of motor should be properly set for an optimal operation. Auto tuning function of iV5 make users to set the motor variable accurately.

• Various communication interface: iV5 provides various communication interface such as RS 485, DeviceNET, Profibus-DP and Modbus-RTU.

• Extended function card (ENC_DIV,DIAO and ELIO): Option card for the encoder pulse division (ENC_DIV) supports the encoder with open collector output and can divide the encoder pulse up to 1/128. Digital input and Analog signal output card (DIAO) can receive the binary speed command from PLC or other upper level controller and has 4 channels of analog signal output. ELIO card enables the lift application software to be available for an optimized lift operation.

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Startvert iE5

Smaller micro size

• Smaller micro size
  iE5 realizes 5% smaller size comparing to previous product.
• Easy operation and control
• The operation became easy by adopting the 6 keys and volume resistor types on the loader. Besides, convenience is guaranteed by limiting the total number of parameters as 100 parameters.
• V/f control
• Compact size: 68 x 128 x 85mm (2.7 x 5 x 3.3 inch)
• ~ 200Hz frequency output
• ~ 10kHz carrier frequency
• Fault history: Last 3 faults
• IP20 enclosure
• RS485 (LS Bus / Modbus RTU) communication (Built-in option)
• DC Injection braking
• Selectable manual/ automatic torque boost
• Selectable PNP/NPN input signal
• PI control
• Up-Down & 3-Wire operation
• Automatic restart after instantaneous power failure
• Built-in potentiometer
• Monitoring & commissioning PC based software tool (Drive View)
• Parameter copy unit

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Startvert iS7

Robust dual rated high power inverter

Inverter featuring on strong torque performance and accurate control for general use
iS7 generates more powerful performance in terms of V/F control, V/F PG, slip compensation, sensorless vector control, PMSM (Permanent Magnetic Synchronous Motor) and focuses on user-friendly interface and environment-friendly features including wide graphic LCD keypad, user & macro group support, electro-thermal functions for motor protection, protection for input/output phase Open.

1. Sensored vector control realizing precise speed/torque control
2. Ride Through (LV Trip Delay) for overcoming an instant power-off
3. Automatic Torque Balance Droop Control
4. Kinetic Energy Buffering (KEB) for stable system stop in case of electricpower related contingency including an instant power-off or black out
5. Easy Start assisting easy parameter setting
6. PM Senorless vector function for synchronous motor control
7. Power Brake and Flux Brake maximizing the capability of decelerating
8. Solutions for options with flexibility and expandability.

• Built-in RS485 & Modbus communication
• Profibus-DP, DeviceNet, LonWorks options
• Expandable I/O options: Max. input 11 points, Max. output 6 points
• PLC options: Max. input 14 points, Max. output 7 points for Master-K platform
• Encoder options
• IP54 enclosure options

1. PLC Card

• Master-K 120S platform
• Normal input 6 points (Sink/Source selectable), Max. input 14 points when expanded
• Normal output 4 points (N.O. Relay), Max. output 7 points when expanded
• RTC (Real Time Clock)
• KGL WIN operational system

10. Encoder Card

• Closed loop control
• Pulse train reference
• 5/12/15 V insulated power supply
• Line drive, open collector
• 200kHz Max. input frequency
• Signal check

11. Profibus-DP Card

• Profibus dedicated connector
• Max. 12Mbps communication speed
• Max. 32 stations per segment
• Bus topology
• Enhanced on-line diagnosis

12. Modbus-TCP Card (Coming soon)

• 100M BASE-TX, 10M BASE-T support
• Half duplex, full duplex support
• Auto negotiation
• Max. 100m transmission distance
• Star topology

13. LonWorks (Coming soon)

• 78kbps communication speed
• Free/bus topology
• &51333;&45800;Resistance built-in per topology
• Max. 2700m connection distance (bus topology)

14. DeviceNet Card

• 125kbps, 250kbps, 500kbps communication speed
• Bus topology
• Max. 64 node connection points
• Max. 500m transmission distance (25kbps

15. I/O Expansion Card

• Insulated I/O 3 points each
• Insulated I/O 3 analog voltage
• -10~10V, 0~20mA 2 points each

16. Synchronous Card (Coming soon)

• Master-follow position/speed synchronous control
• Original point compensation
• Rate driving
• Diverse encoder applications

17. Built-in RS485 & Modbus-RTU

• Multi drop link focused RS485, Modbus built-in
• Connecting to Max. 250 inverters
• Max. 1200m communication distance (valid distance: 700m)
• Protection algorithm under command lost
• Real time driving and monitoring through drive view software

18. EMC Filter (Conformity with EN61800-3) built-in for protection from excessiveelectronic waves

19. Widened graphic LCD keypad

20. Multi language support (5 languages)

21. Efficient architectures of 5 mode 15 parameter groups

22. User & Macro group support

23. Multi function key

24. Protective functions for contingencies

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Medium Voltage VFD

Features

• Compact Size
  • MV VFD has designed an optimum inner panel through heat analysis; it promotes to get the most out of space.
  • Energy Saving & High Efficiency
    • MV VFD realizes high efficiency and high power factor more than 95% without any compensation tools.
    • MV VFD realizes perfect energy saving VFD system without
      input/outputfilter.
    • Redundant Cell Power Factor Control
      • MV VFD has no extra charge for low power factor.
      • MV VFD's voltage regulation is advanced.
      • MV VFD keeps High power factor with standard induction motor in all of thespeed range. (More than 95%)
      • Built-in Cell Bypass
        • In case of cell failure during operation, the fault cell is bypassed and the neutral point is shifted 83% of the rated voltage can be output after the failure of one cell.
        • This function can be operated by automation and manual setting.

MV VFD's drag torque is constantly maintained when cell is bypassed.