Soft Starters for Large Motors

Soft Starters for Large Motors

LCD Display 3Phases AC Motor Soft Starter 380VAC 200kw (WSTR3200)
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Product Details

Model Of The Soft Starter

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Data-sheet

Soft starter
230V/400V/660V-50/60Hz

Rated motor power

Model
appearance

Soft Starter
Model

Working Max
Allowable current

220V

380V

660V

Please refer to
The following page

WSTR3090

160

45KW

90KW

132KW

R2

WSTR3115

200

55KW

115KW

160KW

WSTR3132

250

75KW

132KW

200KW

WSTR3160

300

90KW

160KW

250KW

WSTR3200

360

115KW

200KW

355KW


Basic Functions

Meet the standards

GB14048.6/IEC 60947-2-2:2002

Three phase power supply

AC 380V(optional 220V and 660V)

Frequency

50Hz/60Hz

Suitable motor

Squirrel cage three-phase asynchronous motor

Start-up frequency

When the motor is fully loaded, no more than 4 times per hour, no load or light load, no more than 10 times per hour.

Protection level

IP20

Anti shock

IEC68-2-27:15kg,11ms

Seismic capacity

At an altitude of 3000 below ground gas, the vibration stresses below 0.5G

Ambient temperature

working temperature

Storage temperature

-25

Ambient temperature

93% no condensation or drop

Maximum work

1000

Cooling mode

Natural cold wind

Relative to vertical

Vertical installation, angle range


External Dimensions

External dimensions of90kw-400kw

Please see the below table for the external and installation dimensions of WSTR3000 series 90kw-400kwsoft starter. 

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Model

Rated power (KW)

Rated current(A)

External dimensions

Installation dimensions

Net weight
(kg)

H1

W1

D

H2

W2

d

WSTR 3090

90

180

400

270

240

355

244

M8

18

WSTR 3115

115

230

400

270

240

355

244

M8

18

WSTR 3132

132

264

400

270

240

355

244

M8

18

WSTR 3160

160

320

400

270

240

355

244

M8

18

WSTR 3200

200

400

400

270

240

355

244

M8

18

WSTR 3250

250

500

455

300

265

395

265

M8

28

WSTR 3280

280

560

455

300

265

395

265

M8

28

WSTR 3320

320

640

455

300

265

395

265

M8

28

WSTR 3400

400

800

455

300

265

395

265

M8

28


Connection Diagram For Main Circuit Of WSTR 3000 Soft Starter

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Terminal Configuration Diagrams

Terminal diagram of the main circuit

1) WSTR3005-3075WSTR 3090-3400


2)Terminal diagram of the control circuit

3)Terminal connection of the control circuit


Why Choose Us

WSTR 3000 series soft starter possesses complete protection functions to protect the operation security of the soft starter and the motor. Here is Motor thermal protection tripping time curve based on IEC60947-4-2 standard is shown as follows:

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Starting Mode 

Current Limiting Starting Mode 

a)The soft starter will be under current starting mode when code F9 is set to O (current limiting). Figure shows the current change wave of the motor under the current limiting mode. 11 is the set starting current limiting value, when the motor starts, the output voltage will increase rapidly until the current of the motor reaches the set current limiting value 11, and the current of the motor will be kept under such value, then with the increasing of the output voltage, the motor will speed up gradually, and when the motor reaches the rated rotation speed, the bypass contact will close, the output current will drop rapidly to the rated current IE of the motor or less, and the whole starting process completes. 

b)When the load of the motor is relatively light or the set current limiting value is relatively high, it will be normal that the maximum current may not reach the set current limiting value. Generally, current limiting starting mode applies to the occasions where there're strict limiting requirements on starting current.

4


Voltage Ramp Starting

a)The soft starter will be under voltage starting mode when code F9 is set to I (voltage). Figure 12-2-1 shows the output voltage wave of the output ramp starting. UI is the starting voltage value at start, when the motor starts, if the current of the motor is within the range of the rated value 400%, the output voltage of the soft starter will increase to UI rapidly, then the starting parameter set according to the output voltage will rise gradually, and the motor will accelerate smoothly with the rising of the voltage and reach the rated rotation speed when the voltage reaches the rated voltage Ue, then the bypass contactor will close and the whole starting process completes.

b)Starting time: t is the control parameter calculated from the standard testing condition based on standard load. Taking this parameter as the criteria, thePRS 3000 series soft starter enables the motor accelerates smoothly through controlling the output voltage to complete the starting process. This parameter is not the mechanical control time t which has nothing to do with if the motor accelerates smoothly or not. Given this, when the load is relatively light, the starting time will be less than the set starting time, and it will be normal as long as the starting process completes smoothly. Generally, the voltage ramp starting mode applies to the occasions where high requirements are not placed in the starting current but in the starting smoothness. 

5


Kick Mode

a)The soft starter will be under kick starting mode when code F9 is set to 2(kick+ current limiting) or 3(kick + voltage). Figure 12-3-1 and 12-3-2 show the output change wave of the kick starting mode. In some occasions with heavy load, this starting mode can be used when the motor fails to be started due to effect of the mechanical static friction force. During start, apply a relatively high fixed voltage to the motor for a limited period to overcome the static friction force of the motor load to rotate the motor, then the motor will be started in the current limiting or fixed voltage ramp method.

b)Before using this mode, the motor shall be started through the non-kick mode, and this mode shall be only used when the motor fails to rotate due to high friction, otherwise, starting with this mode shall not be used to reduce the unnecessary shock caused by large current.

6


Current Ramp Starting Mode

a)The motor will be under current starting mode when code F9 is set to 4(current ramp). Figure 12-4-1 shows the output current wave of the current ramp starting mode, I 1 is the time value set by code F 1.

b)The current ramp starting mode possesses strong accelerating capacity, when used in bipolar motor, it can shorten the starting time to a certain extent.

7


Voltage And Current Limiting Double Closed-Loop Starting

a) The motor will be under double closed-loop starting mode when code F9 is set to S(double closed loop). The voltage and current limiting closed-loop starting mode which adopts the double closed-loop control of voltage ramp and current limiting is a comprehensive starting mode requires both smooth starting and strict current limiting. It employs the prediction algorithm which estimates the operation status of the motor 

b)Output voltage wave of this starting mode varies with the motors and loadings. 


About Us

● Established in 2010, Winston Electric Co.,LTD, is a professional manufacturer and exporter that is concerned with the design, development and production of Inverter ,Motor soft Starter, Speed Control, Transformer,Circult Breaker,etc. We are  located in Wenzhou City Zhejiang Province, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world.Our well-equipped facilities and excellent quality control throughout all stages of production enables us to guarantee total customer satisfaction.Besides, we have received ISO9001,TUV and CE. As are suit of our high quality products and outstanding customer service.

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● We have 3 senior engineers in our R&D dept, we design and produce all kinds of voltage transformers regulators, stabilizers rector on the basis of our customers’ specific requirements. 

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● Electronic products require a regular and appropriate maintenance schedule to operate reliably and economically over a long period of time. They need to have regular servicing and replacement of worn out parts. For all such maintenance we have a separate team which is specialized in scheduled and breakdown maintenance for our products. Our teamis passionate about its business which positively reflects in our assertive approach to sales and customer service.


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● We are an ISO9001:2000 certified company. We have obtained many certificates, such as CCC, CE, CB, GS and RoHS. Stability, expertise and technological innovation are the core stones of our business strategy. Aiming at reliable product quality and the highest customer satisfaction, we are consistently deepening enterprise inner reform and fully carry out a quality guarantee system.

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● The company's products have a wide range of applications.Including printing machinery, packaging machinery, winding machinery, film blowing machine, lathe, grinder, etc.Therefore, it is deeply loved by customers.

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FAQ

Q:How to be Winston dealer in our country?

A:Winston Electrical are looking for a reliable dealer who have professional knowledge and good contacts in local market. and we will check his annual sales. As you know .the after sale service are very important. It need professional technician to do service. Most time it not quality problem. It may be application problem. How to set the parameters according to actual application.

Q:Do you have the products in stock?

A:Depends on your request, We have standard models in stock. Some special products and big order will be newly produced according to your order quantity.

Q:How does your factory do the quality control?

A:Quality is priority, we always attach the importance to quality control from the beginning to the end of the production. every product will be fully assembled and carefully tested before packing and shipping.

Q:Tell me the standard of package?

A:For the small capacity, it use carton, but for big capacity, we should use strong wooden case for protection.

Q:Would you accept to use our logo ?

A:If you have good quantity,it absolute no problem to do OEM.


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