Power Line Frequency Test Transmission Line Test System

Power Line Frequency Test Transmission Line Test System
General InformationGDLP series Transmission Line Test System is a new generation power transmission line frequency parameter testing system. It integrated with frequency conversion testing power, precise measuring module and DSP high speed digital processing chip, which eliminate strong interference and ensure the safety of equipment, with convenient, fast and accurate measure.FeaturesQuickly and accurately test the positive sequence capacitance, the positive sequence impedance, zero sequence capacitance, zero sequence impedance,also can measure the mutual inductance and coupling capacitance between lines ;High Anti-interference ability,ensure high-precision, accurate and reliable measurement;Easy operation, equipped with full large LCD touch screen, shows every operation steps;Simple wiring,only connecting with tested down leads to finish all line parameters measurement;New generation ARM embedded system as inner core,solving the problem of system halted;High integration with testing power supply,instrument,computational model;DSP high speed digital signal processor as processing core, fast and Accurate testing process;Can save 100 groups testing data,data management and report generation through USB interface to PC;Light weight, 30kg lighter than similar product, no need to split;Suitable for occasions of power supplied by generator when the power is off;Two phase line measurement (including DC transmission lines and electrified railway traction lines).
Specifications
1Use condition-20ºC ~ 50ºCRH< 80%2Anti-interference principleFrequency conversion3Power supplyAC 220V±10%Generator permitted4Power outputMax.output voltageAC300VAccuracy1%Max.output current8AOutput frequency45Hz,55Hz5Measurement rangeCapacitance Cx < 50 nF0.1~30µF
Impedance Cx < 100 nF0.1~400Ω
Impedance angle
Cx < 200 nF-90°~ +90°
6Measurement resolutionCapacitance0.0001µFImpedance0.0001ΩImpedance angle0.0001°7Measurement accuracyCapacitance: ≥1µ, ±1%of the reading±0.01µF;
<1µF, ±2%of the reading±0.01µF;Resistor: ≥1Ω, ±1%of the reading±0.01Ω;
<1Ω, ±2%of the reading±0.01Ω;Impedance angle: ±0.2°(voltage>1.0V);
±0.3°(voltage:0.2V~1.0V);8Interference current40A9Dimension500(L)x400(W)x450(H)mm10Memory100 groups data support U disk data storage11Weight 45 Kg