3.3KV 6KV 10KV MV Motor Water Pump 3 Phase Soft Starter

3.3KV 6KV 10KV MV Motor Water Pump 3 Phase Soft Starter

Product Details Medium voltage soft starter Medium voltage soft starter has complete comprehensive protection function for the motor running, which can ensure that electrical and mechanical rotating equipment operates safely and reliably at various circumstances. Compared with other types of...

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Product Details

Product Details

AMVS series, a digital microcomputerized soft starter with Chinese display for medium-voltage AC motor,
which uses advanced single chip microcomputer, PLC controller, colored man-machine interface
touch screen, high voltage semiconductor power electronic devices and modern control technology to
form a new type of solid state product to start and to protect the running of high voltage motor. In
addition to the excellent starting function.


This product also has complete comprehensive protection function for the motor running, which can
ensure that electrical and mechanical rotating equipment operates safely and reliably at various
circumstances. Compared with other types of high voltage motor soft starter (such as liquid resistance
type), soft starter costs less energy in the process of starting. Therefore it has obvious energy saving
effect, and can be started frequently. At the same time, since soft starter is a solid state device, it can
work for a long-term without maintenance, small in size, easy to move, having good vibration
resistance and other significant advantages. More than that, It has following unique features and
obvious advantages, and it is the ideal replacement for other traditional medium-voltage soft start
products.



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Complete motor running protection function, to ensure the equipment's safe operation, with its
protective functions as :

1. Starting modes

Soft start: 
This mode has the most general application. The motor is given an initial voltage setting, which is user-adjustable from 5% to 90% of the rated voltage. From the initial voltage level, the output voltage to the motor is steplessly increased during the acceleration ramp time. The acceleration ramp time is user-adjustable on touch screen 


Full voltage start: 
This starting mode is used for applications requiring across the line Starting. The output voltage to the motor will reach full voltage within 1/4 Second. 

2. Protection functions

Under-load: 
Utilizing the under-load protection of the OSSC Smart Soft Controller, motor operation can be halted with soft stop mode if the current that is sensed is lower than user-adjustable overload current setting value. The OSSC Smart Soft Controller provides a user-adjustable under-load value from 0 to 150A. 

Overload: 
Utilizing the overload protection of the OSSC Smart Soft Controller, motor operation can be halted with soft stop mode if the current that is sensed is higher than the user-adjustable overload current setting value. The OSSC Smart Soft Controller provides a user-adjustable under-load value from 0 to 225A. 

Protection of default phase: 
Whenever the default phase is detected, the motor will be stopped with coast-to-rest mode. 

Protection of current unbalance: 
Whenever the current unbalance is detected (degree of unbalance >= 10%), the motor will softly stop in 60s unless the current is recovered during this period. 

Protection of short circuit: 
Whenever the default phase is detected, the machine will stop. 

3. Parameters setting

Setup is easy by the touch screen. 

4. Communication

The AMVS series medium voltage Smart Soft starter provides a serial interface port (called RS485) as standard. 

5. Soft stop

This option can be used in application that requires an extended coast-to-rest. The voltage ramp down time is user-adjustable from 0 to 225 seconds and is adjusted independently from the starting time. The load will stop when the output voltage drops to a point where the load torque is greater than the developed motor torque. 

6. Coast-to-rest 

To deal with some emergency, it can use coast-to-rest stop mode. 

7. Parameters display by touch screen

8. Application range
Voltage range: 2.3kVAC,3.3kVAC,4.16kVAC,6.6kVAC,7.2kVAC,10kVAC,11kVAC
Current range: 40A~990A
Frequency: 50Hz 60Hz


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