SpecificParameters
PROJECT CONTENT
Voltagestabilizermodel TNS-30KVA
Quantity(Set) 1Set
Ratedcapacity(KVA) 30
Phase Threephase PrimaryRatedvoltage 380-440V SecondaryRatedvoltage 380V
LoadCurrent 45.58A Ratedfrequency 50/60Hz Shortcircuitimpedance(%) 4
Insulationclass B Controlmode
Fullautomaticvoltageregulation
No-loadcurrent(%) 250mA
Insulationlevel Phase-to-phaseandeachphase-to-ground,toironcorepressure:AC：3kV 1min Measurewitha1000Vmegohmmeter:thephaseofthewinding-ground ≥200MΩ; thecore-clampandtheground≥2MΩ(removethegrounding platewhenmeasuring) Noise(SoundPressureLevel:dB) ≤50(1mawayfromthebody)
Transformer body and output temperaturerise(K) 45K
Responsetime＜1S
Outputvoltagestabilizationaccuracy ±1.5%
Mainspowerfunction Convenientswitchingof three phaseproductmains/voltagestabilization (single-phasedoesnothavethisfunction) Waveformdistortion Noadditionalwaveformdistortion Startupmode Poweronautomaticstartormanualstart
Equipmentprotectionfunction Withovervoltage,overcurrent,phaseloss,phasesequenceprotection(no phase loss and phase sequence protection for single-phase and three-phaseunder150KVA)andmechanicalfault Coolingmethod AN/AF Outletrow
Terminal Size(lengthXwidthXheight;MM) 570*400*720 Weight(kg) 100 Factorytest Accordingtonationalstandardsandthistechnicalagreement Packaging English manual,export wooden box packaging (moisture-proof and rain-proofmeasuresshouldbetaken,andthetransformermustnotbe damagedduringtransportation) Applicablefrequency 50/60HZ Type Threephasevoltagestabilizer Windingstructureandnumberofgroups Cylindricalthreewindings Shapestructure Vertical Voltagechangerate ≤1.5% Workingefficiency ≥98% Overloadcapability Allows2hoursofworkover1.2timesratedload Insulationresistance ≥500MΩ Impedancevoltage% ≤4%