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Medium Voltage Soft-Starter - SSW7000 Series

Medium Voltage Soft-Starter - SSW7000 Series
Medium Voltage Soft-Starter - SSW7000 Series
Medium Voltage Soft-Starter - SSW7000 Series
Medium Voltage Soft-Starter - SSW7000 Series
Medium Voltage Soft-Starter - SSW7000 Series
Medium Voltage Soft-Starter - SSW7000 Series
Mã số : SSW7000
Tình trạng : Còn hàng
Liên hệ tư vấn :
1900 068 648

Soft-Starters are static starters that accelerate, decelerate and protect three-phase induction motors. The MV soft-starter WEG is available for power ratings from 550 kW up to 3400 kW. Voltage range: 2.3 kV - 6.9 kV.

Soft-Starters are static starters that accelerate, decelerate and protect three-phase induction motors. The control of the voltage applied to the motor by means of adjustments to the firing angle of thyristors allows the soft-starter to start and stop an electric motor smoothly.

The SSW7000 is suitable for medium voltage motors. It reduces the voltage applied to the motor at start. As a consequence, motor current and torque is reduced for a smooth start. This eliminates impacts of inrush current on the power supply and impacts of mechanical shocks on the load and the coupling. This helps in reducing maintenance of bearings, couplings, gear boxes, pulleys, belts and chains, in addition to protecting the motor.

 

Complete and Versatile Solution
Developed to ensure excellent performance, it prevents mechanical shocks from the load, protects the motor against related burnouts or current surges in the power supply and thus, offers prepackaged and engineered solutions for various applications including Marine & Mining.
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Main Features

  • Integrated bypass
  • Circuit breakers are not required because there is a line contactor
  • Motor protection built-in in the standard cabinet
  • Heavy duty design at 50 °C ambient temperature (above 40 °C with current derating)
  • User friendly configuration and operation
  • Fibre-optic firing
  • Complete isolation between MV and LV compartments

Features

  • Motor Voltage: 2.3 kV to 6.9 kV
  • Torque control - FTC - Flexible Torque Control, technology developed by WEG which uses the vector control and control of direct torque concepts, based on technologies developed for the vector frequency inverters CFW. The FTC is flexible to select the desired torque control according to the type of load applied to the motor (constant loads, quadratic loads, or loads with lower or higher starting torque), providing a smooth start with a linear speed ramp along the entire starting process
  • Accessories can be easily and quickly installed by using the Plug & Play concept
  • Protection degree: IP41 or NEMA 12
  • Operating interface (HMI) with graphic LCD
  • Real-time clock
  • Medium voltage fuses
  • Power and control insulated by fiber optics
  • Main and Bypass Vaccum Contactors able to perform DOL start
  • Flash memory module (accessory)
  • SoftPLC function
  • Licence-free software SuperDrive and WLP
  • USB connection to PC
  • Motor thermal protection - Pt-100 - 8 channels (optional accessory)
  • 5 start modes
  • Network communication boards (accessories):
  • - DeviceNet, Profibus-DP, Ethernet and Modbus, RS232 or RS485
  • Oriented Startup function presents minimum programming sequence to commence the operation
  • Active Protection offers complete motor protection in DOL mode and eliminated the need of extra protection relays
  • Ground Fault Protection – Standard
  • Easy installation and suitable for Retrofits
  • 40 years MTBF
  • No need of back access3
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Plug & Play Philosophy
The installation of the accessories is based on the Plug & Play philosophy, that is, they are automatically configured when connected to the SSW7000, ensuring a faster and easier process.

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

 

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Applications

Blowers, fans, compressors, exhausters, conveyors, pumps and choppers.
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