Ecvv Trade
Worldwide Electric Stock Co., Ltd.

China Manufacturer with main products: Motor Soft Starter, Switchgear, Control Panel, Distribution Board, Electrical Distribution Box, Switch Cabinet, High Voltage Switch Cabinet,...

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AC wound rotor motor soft starter

FOB Price: 1,000.00 - 10,000.00 USD/Set
Supply Ability: 700 Set/Sets per Month
Shipping: 30 working days
Payment Terms: L/C, T/T, Western Union
In Stock
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Hubei in China
Packaging Details: woodencase

Specifications

AC wound rotor motor soft starter 
 
1)Main function:
1:smooth start, without shook to equipment, extend the using life,save equipment maintain cost
2:reduce the  temperature increasing of motor, largely extend  the long of motor,
3:save the electricity power
 
2)range of application:
suitable to heavy load soft starting of wound rotor asynchronous motor,
especially in industrial or mines with unstable or lower voltage
 
Successfully widely used by Three Georges project, national engineering designing institute, mining company, cement mill, stell mill,sugar factory,wood industry, chemical industry, city planning, and other place with big power motor and high electric consume place.
 
3)unique feature:
1:it start smoothly, no mechanic pulse on the machine and a longer working life to both equipment and motor
reduce motor starting temperature rise, effectively lengthen the motor's life
 
2:the cabinet and water tank adopt a full-closed structure, which can avoid evaporating of the electrolyte,lengthen the equipment working life and reduce the mantaining frequency.
 
3:it can start under a lower voltage, for example, start in 5.5KV when rated voltage 6KV
 
4:the equipment is also suitable to be long time used in climate of less than 200mm raning yearly
 
5:with a cycle pump, a unique automatic cycle colling system designed for this product, can release the leat in the tank in very short time
 
6: can started continuously for 5-10 times
 
7: adpts worm gear and worm lifter as the transformation tool, which is stable,reliable and noiseless
 low starting current: the starting current is<= 1.3Ie(A)
 
8: the equipment has reliable cabinet struction, which is wholly automatically operated and convenient to be installed and maintained.
 
4)operating principle:
For wound rotor asynchronous motor, when the grid voltage and frequency are invariant,
the connection of the starting resistor  to the rotor loop will reduce the starting current and get a larger starting torque.
  
putting special compound electrolyte into the rotor loop of the  controlled winding motor as the liquid resistance, when the stator receive the signal of the motor starting,  it will change the location of the electrolyte automatically, so as to reduce the resistance value gradually. when the resistance reached the minimum level, the sensor closed and motor rotor star connected directly, then the equipment start smoothly with a low current, large torque.
type
proper motor capacity KW
start time(S)
starting temperature range (C)
WYQ8-0.6
380-570
20
<=5
WYQ8-1
570-1000
20-25
<=8
WYQ8-2
1000-2500
20-30
<=10
WYQ8-3
2500-3500
25-35
<=10
WYQ8-4
3500-4500
35-50
<=15
WYQ8-6
5500--6500
45-75
<=15

Service Process

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