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GREAT PERFORMANCE
AND EXCELLENT COST EFFECTIVENESS

         
 

 

Main Characteristics

  • Power Range: up to 16,300 HP
  • Motor Voltage: 2.3 kV up to 13.8 kV
  • Output current: 125A, 180A, 250A, 300A, 360A, 400A, 500A and 600A (consult WEG for higher powers/currents)
  • Main input: fused switch + contactor or vacuum circuit breaker (depending on voltage & current)
  • Integrated bypass on all models suitable for DOL starting
  • Protection degree: NEMA 12, NEMA 3R, IP41, IP54 
  • Complete isolation between LV and MV compartments via fiber optic communication
  • Front access only (no need of back access)
  • Easy installation and suitable for retrofits
  • 310.000 hours MTBF, 8 hours MTTR
  • Ground Fault Protection by voltage or by current
  • Active protection for the motor in DOL mode
  • 6 start modes: torque control, pump control, current ramp, voltage ramp, current limit, direct start
  • Operating interface (HMI) with graphic LCD
  • Real-time clock (applicable for the alarm report list and also for the SoftPLC programming)
  • SoftPLC function (allows PLC functions to the SSW7000 control)
  • USB connection to PC
  • License-free software SuperDrive and WLP
  • Communication boards and accessories can be easily and quickly be installed using the Plug & Play concept
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Complete and Versatile Solution

The SSW7000 solid state soft-starter is a static starter that allows the starting, stopping, control and protection of medium voltage three-phase induction motors. The control of the voltage applied to the motor by means of phase angle control allows for controlled starting and stopping electric motors. Reduction of inrush current reduces impacts on the electrical network during starting (helps reduce voltage drop) and torque control limits mechanical stresses to the motor, couplings and driven equipment during acceleration.

Available Protections (Standard)

Under/overcurrent and current imbalance
Under/overvoltage and voltage imbalance
Under/overtorque and active overpower
Phase loss
Inverted phase sequence
Power arm overtemperature
Motor overload
Motor overtemperature (optional)
External fault
Ground fault by voltage or by current
Power arm faults
Power contactor faults
Control board faults
Communication fault of the HMI and between control boards
Communication network faults
Programming error (incompatibility in parameter settings)
For more details and more implemented functions, refer to the programming manual.

Advantages

6 starting modes via FTC - Flexible Torque Control.  Developed by WEG using principles applied to frequency converters, FTC uses the vector control to provide a user-adjustable linear speed ramp according to the load type applied to the motor.

  • User friendly configuration and operation
  • Oriented Startup function directs operators through the minimum parameters required to get running quickly
  • License-free programming software (SuperDrive) same as WEG’s LV products
  • Built-in Motor protection eliminates the need of extra protection relays
  • Ground Fault Protection is standard (not an expensive option)
  • Segregated input disconnect switch (up to 360A) complying with service entrance
  • Heavy duty design up to 50 °C ambient temperature
  • Reduction of power demand during the starting
  • Reduction of inrush current on the power supply during starting
  • Reduction of mechanical shocks during the starting
  • Reduction of mechanical stress the driven load and couplings
  • Increases operational life of the motor, driven equipment and electrical systems
 

Plug & Play Philosophy

The accessories are based on the Plug & Play philosophy, that is, they are automatically configured when connected to the SSW7000, ensuring a faster and easier installation.
 

Accessories

Flash memory module, network communication boards DeviceNet, Profibus-DP, Ethernet and Modbus, RS232 or RS485 interface, motor thermal protection - Pt-100 - 8 channels.

Human Machine Interface - HMI

Navigation is similar to the logic used in cell phones, with the option of sequential access the groups (Menu) by means of the function access keys on the display (soft keys). It is also possible to install a multi-language touch screen HMI.

Applications

Pumps, blowers, fans, compressors, exhausters, conveyors and choppers.