Worldwide Electric Group Co., Ltd.| Manufacturer
Worldwide Electric Group Co., Ltd.

China Manufacturer with main products: Motor Starter, Energy Saving, Power Distribution, Industrial Control

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Liquid Starter

FOB Price: 10000.00 - 15000.00 USD/Set
Supply Ability: 100 Set/Sets per Month
Shipping: 30 days
Payment Terms: L/C, T/T(Bank Transfer)
In Stock
Place of Origin: Hubei in China
Packaging Details: wooden type


WYQ series of liquid resistor starter
■ Range of application
It is applicable to the heavy load smooth soft starting of coiling ac asynchronous motor that is of three phase AC 50hz,rated operation voltage of 380V~10KV,rated power of 75KW~10000kw,especially in industrial and mining establishments with unstable or low voltage.
■ Operation principle
Special made electrolyte is put in the rotor loop of the controlled coil motor as the resistor ,and by adjusting the density of the electrolyte and the distance between the two plate electrodes to ensure that the input resistance can meet the requirements of the motor’s mechanic characteristics in the starting process, so as to make the motor rise speed equally with maximum starting torque and minimum starting current ,and make a smooth starting ,when starting is over ,the electric switch shorts the rotor loop.
■ Main performance and characteristics
* Soft starting ,small starting current: Iq ≤1.3Ie(A)
* reduces motor starting temperature rise, effectively lengthened the motor’s service life:
* smooth starting, no shock to the mechanical equipments:
* can make continuous starting for 5~10 times, starting performance is better than frequency sensitive starter;
* low requirement for the power grid, no harmonic wave to affect the power grid;
* structure is reliable, simple .convenient for installation and maintenance;
* good uniformity ,applicable to coiling motor soft starting under and load situation ,specially suitable for heavy load starting;
* has multiple protection function like starting overtime, over stroke and over temperature
* when used in cold areas of the north, the equipments is equipped the self-heating function.
■ Main technical parameters
 starting initial current :Iq≤1.3Ie(A)
 starting times:10-60s,presetting ,adjustable on site
 starting times: continuous starting 5~10 times
 normal operation temperature of electro hydraulic:
Shell protection grade: IP20, IP30
■ Standards of conformity
Low voltage whole set switch equipments and control equipments GB7521.1-1997IEC439-1:1992
 WYQ liquid resistor starter Q/XWZ2-2000
■ Environmental conditions for use
 environmental temperature:-40~50℃
relative humidity:≤90%
absolute altitude:≤2000m(when altitude is above2000m, it shall be specially designed according to the specific working conditions )
ground gradient shall not exceed 5°
installation places shall be free of the risks of fire, explosion ,chemical erosion and excessive vibration
 note: if there is any use condition, please state and negotiate with us when making orders.
Quick mode selection
Note:0.2~1 series is mainly designed for motors below 2000KW,with rotor current as mode selection reference, which is regards as starter’s adaptive motor maximum current ……………..
■ Notice for order
The following materials shall be provided when making orders
 motor type: rated power. rated rotor current. rotor voltage. rated rotation rate:
load characteristics pulled by the motor (operating condition statement)
cabinet surface color:
 if users have any special requirement. Please negotiate with us when making orders.
■ Reference dimensions for installation
External dimensions and installation dimensions of the WYQ series of liquid resistor starter see following table

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