MVD1000 Series

특징과 장점

Leading Technology

• Multi-pulse input rectification reduces input current harmonic distortion, meeting IEEE 519-1992

• Advanced drive concept provides multilevel output voltages and enhanced motor operation

• Advanced control functions enhance adaptability against instable grid

Enhanced Process & Quality Control

• Built-in proportional integral differential (PID) controller enhances control of process variables such as flow and pressure

• Ride through and flying start features ensure a more continuous process in spite of input voltage dips

• Friendly user interface provideeasy-to-use system integration

Lower cost of ownership

• System efficiency is more than 98.5% (without phase-shifted transformer)

• Optimized pump and fan operation ensure significant energy savings and short return on investment

• Integrated transformer enables a three-cable-in-three-cableout installation concept using considerably less engineering effort

• Reduced mechanical stresses eliminate hammer effect in pipelines and vent ducts, and lowers maintenance cost

• Multilevel voltages and motor soft start minimize stresses

Protection Features

• Over current

• Over load

• Transformer over temperature

• MVD over temperature

• Under voltage / over voltage

• Motor overload (external)

• Blower fault

• High voltage cabinet door open

• Cabinet air pressure abnormal

• Output short circuit

• Input / output phase loss

• Communication fault

• Output fault to ground

Control & Monitoring Features

• Frequency reference (Hz)

• Actual frequency (Hz)

• Input / output power / current / voltage

• Cumulative operating hours

• Drive status

• Status of system bypass switches and MCB

• Analog inputs / outputs monitoring

• Fault / Alert messages

• Fault diagnosis function

• Ride-through and flying start functions

어플리케이션

명세서

1. Delta MVD1000 is easy to operate and maintain, and offers special features for integration into a broad range of applications.