Gridstone Electric Co., Ltd.  

Product Name: Digital Control LCD Screen Servo Motor Voltage Sabilizer 200kVA Brand: Gridstone Application Range: Industry, Bank, Data Center, Hospital, etc Power Source: Linear Regulated Power Supply Iron Core Shape: E Size: Large Frequency: Industrial Frequency Usage: Voltage Stabilization Phase: Three Phase Current Type: AC Trademark: GridStone Transport Package: Carton / Wooden Box Specification: 10kVA to 3200kVA Origin: Shanghai, China Product Description Features1. Variable transformer with columnar design2. Digital control system. Intelligent sensing and protection.3.Efficiency upto 99%4.Independent or Dependent Three Phase Regulation subject to the order5.Rich protection functions6.Manual bypass7.EMI/RFI filter ( optional ) , Surge protection ( optional ), Remote control with 485 ( Optional )SpecificationInput VoltageSingle phase:220V or 230V or 240V, Three phase: 380V or 400V or 415VInput Voltage tolerance+/- 15%, +/-20%, +/-30%, +/-45%Frequency50HZ /60HZOutput Voltage Tolerance+/-2% typical ( +/-1% optional )Over load capability300% 1sec, 120% to 200% 20sec, 100% to 120% 15minResponse time <0.1sCorrection time <1sEfficiency >97% typical (modelsbelow 250kVA) ;>98% typical (models above 250kV)CoolingNature air convection for models below 150kVA;Air forces fan for 150kVA and above.ProtectionUnder/Over voltage, over load, over current, short circuit, manual bypass, surge arrester (optional), voltage stabilization before power output;Displayinput voltageof each phase, Output voltageof each phase, Currentofeach phase, Alarm of protectionOperating temperature-15 to 40 ºCHumidity90%HOW TO CHOOSE VOLTAGE STABILIZERSCompany Profile:Founded in 1983, GridStone Electric is a leading manufacturer of automatic voltage stabilizer and transformer. The products currently include digital static voltage stabilizer, digital servo voltage optimizer, power factor correction units, LV and MV transformers and reactors, UPS, Variable Frequency Power Source, Oil Immersed Induction Voltage Regulator. Thanks to over 30 years in the business and on going technical research, GridStone have become a competitive high-tech company, and meet the requirements of a constantly growing number of customers through design, production and service.Besides standard production, GridStone is flexible and strong at custom design and production according to the customers' specification. Expert training and technical support are available to serve the customers quickly and professionally.GridStone factories are ISO9001 and ISO14001 certified.