China Voltage Regulator Servo Voltage Stabilizer AVR

Features of GridStone Digital Control Servo Voltage Stabilizer
1. Variable transformer with columnar design
2. Digital control system. Intelligent sensing Crane and protection.
3.Efficiency upto 99%
4.Independent or Dependent Three Phase Regulation subject to the order
5.Rich protection functions
6.Manual bypass
7.EMI/RFI filter ( optional ) , Surge protection ( optional ), Remote control with 485 ( Optional )Input 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%
Successful Projects:TimeCustomerProductSolution for the problemFeb.2018SiemensAVR/Transformer 800kVARegulate the voltage for the product testing in Siemens factory of frequency converter.Feb. 2018GEAVR 200kVA;
Isolation transformer 150kVA, 100kVAProvide stable power For GE medical equipment in PhilippinesJan.2018SiemensCombined unit of AVR and Transformer 200kVA;
Isolation transformer 150kVA, 100kVAProvide stable power for Siemens medical equipment in Philippine2011 to nowElekta
(famous medical equipment company from Sweden)150kVA Digital Static AVR120pcs per year.Stabilize the voltage for their medical eqLinear Actuator uipment.Oct. 2017Borgwarner OptiV Plus voltage optimizer/ Environment Protection Device stabilizer
2500kVA, 2pcsTo provide stable voltage to the production line and save energy2013CRRCAir cooling Automatic voltage regulator 800kVARegulate and stabilize the voltage for production and testing for China High Speed TrainsDec.2014China National Chemical Engineering Co.Ltd.OptiV Plus voltage oWeighing & Measuring Apparatus ptimizer/ stabilizer
2500kVA, 2pcsThis is to provide safe and stable voltage for projects to destroy the Japanese chemical weapons left during World War II. Save the energy cost.June. 2014Shanghai YunyangOptiV MAX voltage stabilizer
1250kVA, 2pcsStabilize the power for the stadium.Save the energy cost. June 2014McQuay InternationalOptiV Plus voltage regulator/ optimizer
2500kVA , 1pcRegulate the voltages for the production of aAbrasive & Grinding ir conditioners. Drop the voltages to 380V, Save the energy cost.2013China ZSHDSmart Static AVR combined with Isolation Transformer.
OptiV MAX
200kVA, 300kVARegulate voltage for production of chemical products.June 2013OKUMA
(Japan)Air cooling AVR 100kVARegulate input voltage for OKUMA Numerical Control Machine2014Befficient (Australia)Smart control AVR 150kVA, 200kVA, 400kVAOptimize the voltages for the customers for energy saving.