China GDHT-6D Fast Automatic CT PT Transformer Analyzer Calibration System

GDHT-6D Fast Automatic CT/PT Transformer Analyzer Calibration System
GDHT-6D Automatic Transformer Calibration System is used to test the technical performance of on-site or laboratory voltage PT and current CT.
Features
1. Easy operation, high automation.
2. Menu management, data input simple and convenient.
3. 320x240 LCD, background light, easy to use.
4. Can display dial indicator, ratio error and angular error.
5. Control modes: By PC, auto and manual.
6. Auto switching the load cases to reduce the human operation and reduce the error.
7. Auto judge the polarity and turns ratio error.
8. PC software can show the error curve.
9. PC software with function of virtual opening.
10. Solve S level measuring problem.
11. Switching measuring range automatically.
12. Solve unstablity problem of the Rc phase-shift circuit
13. light weight, convenient for outdoor operation.
Specifications

Power supplyAC220V±10% 50Hz±10%Working environmentTemperature 0~+40 degreeRelative humidity≤85%(25 degree)Regulator control output capacity 7kVA(250V 30A)(Extension by option)Regulator precisionBetter than 0.04VMeasuring rangeCophase component(%):0.0001~200.0 Resolution:0.0001Quadrature component:0.001~700.0Resolution:0.001Impedance(Ω):0.0001~20.0 Resolution:0.0001Admittance(ms):0.0001~20.0 Resolution:0.0001Basic errorCophase component:ΔX=±(Xx2%+Yx2%±Dx)Quadrature component:ΔY=±(Xx2%+Yx2%±Dy)"X""Y"__Value show on instrument"Dx,Dy"__Quantization error of instrumentDial indicator:1.5Output current and voltage:2Woking rangeCurrent(1%-149%)In (In =5A)(5%-149%)In (In =1A)Voltage(5%-149%)Un (Un =100V,150V,100V/)(5%-149%)Un (Un =100V/3)Working loadCurrent:TO-TX<0.12Ω cosΦ=1Voltage:a-x<0.25VA (100V)Polarity errorMore than 5% of rated working current(voltage),error over than 180%, such as polarity.Turns ratio errorMore than 5% of rated working current(voltage),error over than 30% but less than 180%, shall display turns ratio error.Insulation and HV testTerminal TX connect with( )Power sockets shell can withstand 1.5kV,1min HV