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Wenzhou Modern Group Co., Ltd. ( Wenzhou Modern Completed Electric-power Equipment Co., Ltd. )
Wenzhou Modern Completed Electric-power Equipment Co., Ltd. Wenzhou Modern Group Co., Ltd.
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1300KVA (O R T E A) Optimizer Range Technology with Electricity Adjust digital

Wenzhou Modern Group Co., Ltd. ( Wenzhou Modern Completed Electric-power Equipment Co., Ltd. )
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1300KVA (O R T E A) Optimizer Range Technology with Electricity Adjust digital

Brand Name : Modern
Model Number : 1300KVA
Certification : CE,ISO9001
Place of Origin : China
MOQ : 1
Price : US $19600/ Piece
Payment Terms : T/T
Supply Ability : 20 sets/month
Packaging Details : Wooden Box
Color : RAL 7035
Indicators : Input&output current, Input & output voltage
Regulation : Three phase independent regulation
Phase : Thr phase
Quantity of motors : Three Motors
Stable voltage : Rated voltage-30%+10%
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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:


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.


Our Patent Structure:

  • Our patent carbon brush with high conductivity, small sparks, and long life
  • We use low speed, high start torque motor for stable operation
  • Patent three phase individual voltage regulator, which realizing the whole unit 2/3 smaller than traditional one.

Specifications:

Input
Rated voltage380V/400V/415V/460V
Input stable voltage range304V~456V
Working range240V~500V
Frequency50HZ/60HZ
Power Factor≥0.99
Output
Output voltage380V/400V/415V/460V
Accuracy1%
Efficiency≥0.98%
Wave deformationnil
Power Factor0.8~1
Output protectedUnder voltage:Vn-20%(Can be reset), Over voltage: Vn+10%, Over Current: In*0.9
Overload Capacity

150%Over load 10seconds

120%Over Load 60seconds

110%Over Load 10minutes
General
TechnologyDigital Signal Processing(DSP) And Voltage vector control Technology
Method of voltage regulationThree phase independent regulation with long life roller brush drive by three servo motors
Correction timeStep up or step down 10% of rated voltage from the input voltage, The output will stable to rated voltage after 2 seconds
Safe startThe AVR will start output after 6 seconds delay
Insulation classH & C class(180℃ & 220℃)
Insulation resistance≥5MΩ
Cooling SystemAuto Forced Air
Wire system3-phase-5-wire-system & 3-phase-4-wire-system without neutral
Protection classIP21(Indoor), IP54(Outdoor)


Dimensions



Remote Control:

  • Centralized management by computer
  • Install special background monitoring software in a computer terminal can realize the remote operation and control.

HOW TO CHOOSE A VOLTAGE STABILIZER?


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


Comparative of the different of Voltage stabilizer:

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

Induction AVR

with Oil cooling

Electric AVRStatic AVR
Typical efficiency≥98%≥97%≥95%80%~90%90%≥98%
Power factor0.990.990.85~0.950.8~0.90.85~0.90.8
Correction speed1s1s1sSlow, 1 Min0.05s0.1s
ReliabilityHighMiddleLowHighMiddleMiddle
WeightMiddleHeavysmallVery heavysmallsmaller
DimensionsmallLargeMiddleHugesmallersmallest
Noise

Silent with

No Noise

Noise when

Voltage regulated

Noise when

Voltage regulated

Continuous NoiseCooling Fan's NoiseCooling Fan's Noise
MaintenanceClean the dust once per 6 monthsClean the dust once per 6 monthsClean the dust once per 6 monthsComplicated due to OilClean the dust once per 6 monthsClean the dust once per 6 months
ApplicationAll kinds loadAll kinds loadsFamilyIndustrialResidential Load

Residential Load

InstallAnywhereAnywhereAnywhereOutdoor OnlyAnywhereAnywhere
EnvironmentalCleanCleanCleanPollutedCleanClean

What's the difference of stable range and working range?

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.



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