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AC Motor Soft Starter (GR1 Series)
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AC Motor Soft  Starter (GR1 Series)

GR1 Series AC Motor Soft Starter Introduction

Model of Starter

GR1 Series AC Motor Soft  Starter

① Enterprise code
② Soft starter
③ Design code
④ Classification:Jecononic type,G top grade type,P      basic type
⑤ Main feeder arrangement:(11:one control one),  (12 one control two)(23 two control three)
⑤ Control mode(n/a) general type, F fire fighing control, D single feeder water supply and drain, S two feeders water supply and drain
⑥ Capacity:7.5-7.5kW 11-11kW 400-400kW
⑦ G (panel type) FB exposion proof type

GR1 Main Circuit Diagram

GR1 Series AC Motor Soft  Starter

 

The GR1 series not only have the functions of normal starter which used domestic at preset,but also own their special functions:

1. High power inner bypass design is the main advantage of GR1 series ,this design avoid much problems which occur in the
design of outer bypass design, inner byass design makes the softer functions is more useful and the installation is more simply,Inner bypass makes the primary circuitry is more simply, it is very easy to install and won"t cause trouble ,Inner bypass makes the secondary circuitry also can be mastered easily. GR1 series soft starter is the first time in China using inner bypass design, its power range is 5.5-400kW, We applied the patent for GR1 sotf starter, The patent numbers ar
200630038542.4 and 200620044145.2

2. GR1 soft starter adopts the imported Germany square chip and advanced chip support pole, used DCB ware and copper integrating board, through the special processing method and welding skill, deep the welding layer without space, and keep the good heat conduct, Rhe head loop load is 10 times higher than GB standard.

3. GR1 series soft starter integrates the high power intelligent controlling thyistor module and strong anti-interfere functions, as well as the advantages of anti-earthquake anti-humidity, so it is the priority product used in the flammable and explosive environment.

4. Inner bypass installation is ab big system project which is developed at the base of adopting many advanced science and technical elements as well as modern science theory, The starter’s first control part adopting the advanced chip microprocessor as control center, With the high power non-arc and long lifetime contactor technique, so the starter integrating all the advantages As well known the difference of contactor and relay is that the contactor has arc eliminator, while relay without arc eliminator, The GR1 soft starter equipped and arc eliminator inside the inner installation, so it
can be connected with the high power load and high voltage load.

5. User friendly,easy setting and operation:GR1 adopting the LCD display ,it can display each start method, start time,primary voltage and soft stop time ,It is very easy to control for the user,The user can prgram the motor starter mode with the help of the instruction, The LCD display screen display all the data, such as work mode,curretn position and soon, in this case, it is very easy for the user to set and operate.

6. GR1 series have the strong protection funtion, it adopts CDR8 type motor compositive protector and related interface, so it supplies motor strong protection when the motor under the situation of phase failure, overload,over voltage jam swivel and short voltage,the starter also equipped the heat protector inside the body and protects itself,

7. GR1 series can be controlled from the LCD screen,it also can be control through the computer in the control room, GR1 series products own the excellent controlling ability; it can adjust the urgent stop,soft stop and soft start. 8.GR1 series products’inner bypass installation is non-power running mode, it is different from the out bypass installation starter, so it has the advantages of saving energy, no noise no electromagnetism pollution and protect environments

Application

Motor soft starter instead of conventional starter, to realize the smooth start Compressor:the soft starter limit the startup current,reduce the abrasion and mechanical impact, reduce the heat of motor, prolong the working life, save the maintenance cost. CrusherLthe block protection of soft starter prevent the motor being over burnt and hurt damaged come from mechanical fault and blockTransmission machine:soft startup and presetting slow movement realize smooth, gradual start, to avoid products movement and liquid overflow Pump:the control of soft starter reduce the water hammer result from liquid impact, saving maintenance cost for system Grinder:the soft starter reduce the abrasion of wheels, lighten the maintenance cost and time

Type Remark and Motor Rating Nameplate unit KW


Technical data of motor Technical data of soft starter
V1 V2 V3
380V 600V 1440V current nominal thermal current model of starter weight
kW kW kW A A GR1 Kg
5.5 9 17 11 12 GR1 1.35
7.5 12 24 15 17 GR1 1.35
11 18 35 22 24 GR1 1.35
18.5 31 59 37 41 GR1 1.35
22 37 70 44 48 GR1 1.35
 
30 50 95 60 66 GR1 2.00
37 62 117 74 81 GR1 2.00
 
45 75 142 90 99 GR1 5.50
55 91 174 110 121 GR1 8.50
75 125 237 150 165 GR1 8.50
90 150 284 180 198 GR1 9.00
110 183 348 220 242 GR1 9.00
132 219 417 264 290 GR1 9.00
 
160 266 505 320 352 GR1 30.00
200 333 632 400 440 GR1 30.00
250 416 790 500 550 GR1 30.00
320 530 1011 640 705 GR1 30.00
400 665 1264 800 880 GR1 30.00

Technical Index of Soft Starter

Applicable Standard GR1 electronic motor soft starter has passed the certificate of 3C, complied with national standard GB14048.6-1988
3phase power source voltage (U) 400+15% 660+15% 1140+15%
Frequency (Hz) 50
Rated Current (A ) 10A-800A total 18 specifications
Rated power( KW) 5.5-400kW
Rated voltage (V ) 380, 660, 1140
Current regulation The rate curretn IQ of motor, it can adjust under 0.5-3.5 times of rated startup current, limit the startup current below 5 times of peak start current
Startup Mode User should set by himself according to the connected load and instruction of manual
Shutdown Mode naturally shutdown & soft shutdown
Nos of shartup 12 times /hour,complied with GB14048.6,AC-53b
Display and Keyboard Under normal working it can display the status of motor, display the fault, the keyboard can be set and programmed
Output relay(2pcs) NO NC contact output of fault
Fan working status 1. ling term work 2. Run/stop and outer switch control
Protection

1.phase failure protection function:when any of three phases is broken, the protection time less than 10 min
2.three phases unbalance protection:when the unbalance rate K1 or K2 over 10% response time less than 1 min
3.block protection:when motor is blocked, the protector delay (5+1)s to make response,
4. Over voltage protection:when the power source voltage Ue more than 110% rating,response time less than 1s
5.Under-Voltage protection:when power source voltage drop within(65%-75%) Ue, response time less than 60s
6.Restore function:hand operating to instantaneously restore, automatically time delayed (120+5)s restore
7.Simple heat accumulation protection:when motor overload too much,the protector can prevent overheat accumulation
8.Heat protection,when the soft starter itself happen to over temperature rise, the soft starter will auto matically be closed off


                  


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