VFD Trainig Slides

WELCOME TO THE TRAINING SEMINAR FOR VFD

PRODUCT OVERVIWE / VFD APPLICATIONS

Frequency converters Determine motor speed and

torque by controlling the frequency of the power supply

Soft startersControl start and stop of AC

motors to protect equipment and products

AccessoriesOptions that add functionality

to electronic motor controls or prevent disadvantages. Software, brake resistors, filters etc.

Danfoss Drives VLT® products are…

Dedicated since 1968

20031998199319881983197819731968

Complete product range up to 690 V, 0.18 kW to 1.2 MW

VLT® HVAC Drive VLT® AQUA Drive VLT® AutomationDrive VLT® 2800 VLT® MicroDrive VLT® Decentral drives VLT® Soft Starter Customized drives

FC 102

Mains Voltage Power range

3x200 – 240V 1.1 – 45kW

3x380 – 480V 1.1 – 1200kW

3x525 – 600V 1.1 – 90kW

3x525 – 690V 45 – 1200kW

VLT®HVAC Drive

Application area

Airport

Hospital

Cleanroom

Hotel

Office

District Heating

BASIC PRINCIPLE OF VFD

.

ControlV & F

SpeedReference

AC / DC Rectifier

Fixed 400V, 50Hz Input

IGBT Output Stage

Motor

DC Link Harmonic Filter

Variable voltage and frequency output

EMC Filter

HOW TO OPERATE VFD KEYPAD

CONTROL DRAWING

ALARMS / WARNINGS