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NV Start 15kW-450kW
Soft Starts for AC Motors
Soft Start , Why Use Them
Soft start is the one method of motor starting. Reduce starting current, adjust starting torque for various load better over conventional motor starting circuit. :
* Reduce Coupling Failure
* Reduce Belt Slip
* Reduce Water Hammer
* Reduce Gear Breakage
* Reduce Product Damage
* Reduce Inrush Current
* Reduce Supply Voltage Dips
* Reduce Nuisance – Tripping
* Reduce Flickers In Lighting System
* Optimum Starting Current
* Reduced KVA Demand
* Energy Saving
* Save The Supply Capacity
* Save Cabling Costs
* Reduced Maintainance Cost
NOVEM NV Start Advantages
The NOVEM NV Start is an Intelligent Microprocessor – Based Control unit for starting AC Induction motor range from 15 – 45 kW. That provides a cost – effective solution for controlling AC induction motors in a unique compact design.
Advantage over other soft start:
- Limit Starting Current
- Minimum Starting Time
- Reduce Voltage When Stop
- Kick – Start for Static Friction Load
- True rms Current Reading
- No Hunting or Cogging
- Phase Loss Protect
Easy to use completed with digital programming and digital display of all operating parameters.
Monitor Indicates motor current, setting value, cause of trip, and other data.
Status Display Indicates operating status.
Run/Stop keys Used for normal run, decelerating stop, free – run stop (preceded by the function setting).
Up/Down keys Used for adjust parameter names and data values.
Program/Enter keys Switches the soft start control mode and set operation data.
NV Start Terminal Connections
Rated operational voltage 380 v. – 10% + 20%
Norminal input frequency 50 Hz
Motor output 15 – 450kW
Rated operational current 30 – 840 A.
Ambient temperature during operation 0 - + 400 C
Ambient temperature during storage - 10 - + 400 C
Degree of protection IP – 20
Acceleration time 0.5 – 60 Sec
Deceleration time 0 – 240 Sec
Starting voltage 10 – 60 %
Step down voltage 100 – 30 %
Current limit 200 – 500 %
Rated motor current 70 – 100 %
Signal relay rated operational voltage 240 V.A.C.
Signal relay rated operational current at AC 11 (240 V) 3 A.
Electronic overload protection Built – in
Contactor bypass Built – in