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500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet

Good quality Three Phase Voltage Stabilizer for sales
Good quality Three Phase Voltage Stabilizer for sales
Easy to talk with, very professional and fast service, the Energy Saver quality is very good.

—— Italy-Gorga Domenico

In our co-operation over past ten years' time, we achieved win-win. Thank you for your quality products and attentive service.

—— Tajikistan-Mukim Usmonov

Outstanding Customer Service by Modern, Outstanding Technical Performance.

—— Nepal-Mr. Abhimanyu Singh

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500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet

China 500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet supplier
500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet supplier 500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet supplier 500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet supplier 500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet supplier

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Product Details:

Place of Origin: China
Brand Name: Modern
Certification: CE,ISO9001
Model Number: SBW-F-500KVA

Payment & Shipping Terms:

Minimum Order Quantity: 1
Price: US $00/ Piece
Packaging Details: Wooden Box
Payment Terms: T/T
Supply Ability: 200 sets/month
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Detailed Product Description
Indicators: Input&output Current, Input & Output Voltage Regulation: Three Phase Independent Regulation With Roller Brush
Phase: Thr Phase Quantity Of Motors: Three Motors
Stable Voltage: Rated Voltage-30%+10%

500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet

Wenzhou Modern Group is a leading company in the manufacture of Power Quality and Energy Saving Products in China.


Milestones:

  • 1979: Founded as a manufacturer of transformer based power products
  • 1988: Constant voltage transformer introduced and UL certified
  • 1992: Became a strategic partner for GE Healthcare in China
  • 1995: Obtained ISO9001 quality system
  • 2003: Introduction of the patent variable transformer
  • 2005: Became a strategy partner of Emerson Network Power
  • 2010: Obtain CE for the voltage stabilizer
  • 2013: Obtain CE for voltage optimization unit  

Strict Quality Inspection:

               500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet             500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet              500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet           500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet


Features:

1. Silent design with moving Long life roller carbon brushes, High reliability and low maintenance
2. Unique compact dimension.
3. Digital control.

4. Rich protection functions. 
5. Efficiency up to 98%
6. Independent phase voltage regulation. Changeable through LCD touchscreen display
on site.

7. Manual bypass, Automatic bypass (Optional)
8. Remote monitoring by RS485 or RS232 or WIFI, GPRS.


Main components :

Buck/boost transformer                                                                      

 

500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinetOften referred to as 'booster' transformer, it is a standard dry-type transformer with the secondary winding connected in series to the mains and the primary winding supplied by the voltage regulator.

 

 

 

 

Voltage regulator                                                                                                   

Basically, it is an autotransformer with continuously variable transformer ratio. The voltage intake varies depending on the position of the rolling contacts; therefore the voltage supplied to the booster transformer primary winding also varies. Being the voltage across the regulator contacts (and consequently that on the secondary winding of the booster transformer) either in phase or in opposition to the supply voltage, it is then added or subtracted to the supply voltage, thus compensating its variations.

Auxiliary circuit with a microprocessor                                                                       

The DSP (Digital Signal Processor) microprocessor-based control circuit (specifically designed for
drives with the totally digitalized signal) compares the output voltage value to the reference one sampling it 2000 times per second.
When an anomaly is detected, the controller drives the voltage regulator gear motor. By doing so, the
regulator rollers change their position thus varying the voltage drawn and supplied to the buck/boost
transformer primary winding. The input voltage variation is therefore automatically compensated.
The control system operates so that the output accuracy is ±0.5%. The microprocessor is fitted with the
soft stop function enabling a precise positioning of the regulator rollers regulation to work smoothly
even in case of strong fluctuation of the input voltage.

        


Specifications:

 Input                                                                                                                       
Rated voltage                  380V/400V/415V/460V
Input stable voltage range    304V~456V
Working range 240V~500V
Frequency 50HZ/60HZ
Power Factor ≥0.99
Output                                                                                                                     
Output voltage 380V/400V/415V/460V
Max Current 750A
Accuracy 1%
Efficiency ≥0.98%
Wave deformation nil
Power Factor 0.8~1
Output protected Under voltage:Vn-20%(Can be reset), Overvoltage: Vn+10%, Over Current: In*0.9
Overload Capacity 

150%Over load 10seconds

120%Over Load 60seconds

110%Over Load 10minutes 
 General                                                                                                                  
Technology  Digital Signal Processing(DSP) And Voltage vector control Technology
Method of voltage regulation Three phase independent regulation with long life roller brush drive by three servo motors
Correction time Step up or step down 10% of rated voltage from the input voltage, The output will stable to rated voltage after 2 seconds 
Safe start  The AVR will start output after 6 seconds delay
Insulation class  H & C class(180℃ & 220℃)
Insulation resistance ≥5MΩ 
Cooling System Auto Forced Air
Wire system 3-phase-5-wire-system & 3-phase-4-wire-system without neutral 
Protection class  IP44(Outdoor)
                                                                                                                                                                 

 


HOW TO CHOOSE A VOLTAGE STABILIZER?


What's the difference between Roller carbon brush with the Flat carbon brush?

500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet


Comparative of the different of Voltage stabilizer:

  Servo with the roller brush and columnar transformer Servo with the flat  brush and columnar transformer Servo with the flat brush and Flat transformer

Induction AVR

with Oil cooling

Electric AVR Static AVR
Typical efficiency ≥98% ≥97% ≥95% 80%~90% 90% ≥98%
Power factor 0.99 0.99 0.85~0.95 0.8~0.9 0.85~0.9 0.8
Correction speed 1s 1s 1s Slow, 1 Min 0.05s 0.1s
Reliability High Middle Low High Middle Middle
Weight Middle Heavy small Very heavy small smaller
Dimension small Large Middle Huge smaller smallest
Noise

Silent with 

No Noise

Noise when

Voltage regulated

Noise when

Voltage regulated

Continuous Noise Cooling Fan's Noise Cooling Fan's Noise
Maintenance Clean the dust once per 6 months Clean the dust once per 6 months Clean the dust once per 6 months Complicated    due to Oil Clean the dust once per 6 months Clean the dust once per 6 months
Application All kinds load All kinds loads Family Industrial Residential Load

Residential Load

Install Anywhere Anywhere Anywhere Outdoor Only Anywhere Anywhere
Environmental  Clean Clean Clean Polluted Clean Clean

 
What's the difference of stable range and working range?
500KVA (O R T E A) Three motors Auto voltage stabilizer(AVS) with ourdoor IP44 cabinet

How to choose the capacity of the voltage stabilizer:

Principles

The voltage stabilizer and the voltage regulator are chosen according to the current:

1 Continuous working current is smaller than the rated current of the voltage stabilizer or voltage regulator, Better to have a design margin of 20%.

 

2 The loads start current is smaller than 5 times of rated current of the servo voltage stabilizer with the roller brush and columnar transformer. or 2.5 times the servo voltage stabilizer with a flat brush, 2 times the static voltage stabilizer. 


How to choose the capacity of the voltage stabilizer:

Loads Rated current:

Single phase:

Rated current In=Pn/(Vn*cosφ)

Three phase:

Rated current In= Pn/(1.732*Vn*cosφ

 

Note:

Pn — Load capacity(kW),

Vn — Rated voltage(V), Tt is Line to Line voltage in three phase system

Cosφ — Power factor. 


How to choose the capacity of the voltage stabilizer:

Loads surge current:

Three phase(Motors):

1 Direct start: I(tmax)= In total + In(max)*6

2 Autotransformer start: I(tmax)= In total + In(max)*3

3 Star-Delta start:  I(tmax)= In total + In(max)*3

4 Variable Frequency start:  I(tmax)= In total + In(max)*2

5 Soft start: I(tmax)= In total + In(max)*3

 

Note:

I(tmax)— The max start current.

In total — The total rated currents of the loads

In(max)— The max starting current of the motor.

 

 

Contact Details
Wenzhou Modern Group Co., Ltd. ( Wenzhou Modern Completed Electric-power Equipment Co., Ltd. )

Contact Person: Brian

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