• Lvsc-Sag Series Voltage Stabilization Device
  • Lvsc-Sag Series Voltage Stabilization Device
  • Lvsc-Sag Series Voltage Stabilization Device
  • Lvsc-Sag Series Voltage Stabilization Device
  • Lvsc-Sag Series Voltage Stabilization Device
  • Lvsc-Sag Series Voltage Stabilization Device

Lvsc-Sag Series Voltage Stabilization Device

Current Type: AC
Phase: Three Phase
Frequency Characteristics: Power Frequency
Usage: Voltage Stabilization
Frequency: Industrial Frequency
Size: Medium
Customization:

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Basic Info.

Model NO.
LVSC
Power Source
Linear Regulated Power Supply
Application Range
Industrial and Mining Enterprises
Brand
Sanhe
Transport Package
Carton or Plywood Case
Origin
China
HS Code
854409999
Production Capacity
1000

Product Description

Introduction
LVSC series voltage stabilization device(namely Dynamic Voltage Distortion Compensator) adopts high-power power electronic technology and digital processing technology, and uses generalized second-order complex vector algorithm to quickly detect the transient process of power system voltage. While isolating the power supply of the transformer, the energy pre-stored in the super capacitor is fed back to the primary load to ensure the normal production.


The device adopts intelligent control mode, and flexibly sets the control logic according to the actual working conditions of the user. It is widely used in petrochemical, electronic, semiconductor, precision manufacturing, automobile, pharmaceutical, hospital, metallurgy, and machining industries that are sensitive to voltage. The best way to prevent "shake electricity".

According to incomplete statistics, more than 90% of the power quality problems in the modern precision manufacturing industry are caused by transient voltage fluctuations, and the impact and harm caused by such power quality problems to the precision manufacturing industry have become increasingly prominent.

Voltage Sag

IEEE standard and the national standard "Power Quality Voltage Sag and Short Interruption" (GB/T30137-2013) define: the RMS value of the power frequency voltage at a certain point in the power system is temporarily reduced to 10%-90% of the rated voltage (that is, the amplitude 0.1-0.9pu), and the phenomenon that it returns to normal after 10ms-1min is called voltage sag.
Lvsc-Sag Series Voltage Stabilization Device
Voltage Swell
The phenomenon that the RMS value of the power frequency voltage at a certain point in the power system temporarily rises to 1.1-1.8pu, and returns to normal after a short period of 10ms-1min is called voltage swell.
Lvsc-Sag Series Voltage Stabilization Device

short interruption

IEEE standard and national standard "Power Quality Voltage Sag and Short Interruption" (GB/T30137-2013) definition: The rms value of the power frequency voltage at a certain point in the power system suddenly drops below 0.1pu, and after a short duration of 10ms-1min The phenomenon of returning to normal is called short interruption of voltage.
Lvsc-Sag Series Voltage Stabilization Device
Specification Sheet

 
Item Parameter
Rated Capacity 150kVA(50-2000kVA)
Rated Voltage 400V (customized 690V/208V)
Frequency 50Hz± 5%
System structure 3P,TN
Correction Range ±20% uninterrupted 100% output
Three-phase symmetrical drop residual voltage 60%, 100% output for 20s
Three-phase symmetrical drop residual voltage 40%, ≥90% output for 5s
Asymmetric drop residual voltage 30%, ≥90% symmetrical output 5s
Main circuit overload capacity 110% In long run; 150% In 30s
Bypass Mode Overload Capability 20KA/150ms,40KA/10ms
Output Voltage Accuracy ±1%
Output accuracy during dip ± 3%
Response time 100us
full transition time < 10ms
Efficiency >99%
communication port & protocol type Ethernet(RJ45)/RS485
Display HMI/SD card
IP class IP2X ( IP4X(customized))
System structure
Lvsc-Sag Series Voltage Stabilization Device
working principle
Lvsc-Sag Series Voltage Stabilization Device

Lvsc-Sag Series Voltage Stabilization Device
Lvsc-Sag Series Voltage Stabilization Device





 

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