what is current transformer of ZCT548? Zero phase current transformer with high quality Electrical Specification (Customized is available) Rated Current 30A DC Resistance at 25℃ 21±3Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo 13.2-17.8mV 1.When the current increases, the magnetic density of the core also increases proportionally. At this time, the magnetic permeability μ and the loss angle ψ also increase, the error…
ZCT528 PCB mount zero phase current transformer rated current of transformer Electrical Specification (Customized is available) Rated Current 30A DC Resistance at 25℃ 36±5Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo 7.5-12mV The error is proportional to the average magnetic path length.The error is inversely proportional to the cross section of the core. In some cases, an increase in the cross section of…
ZCT519 isolation current transformer maker Electrical Specification (Customized is available) Rated Current 50A DC Resistance at 25℃ 56±6Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo ≥17mV 5.The error is inversely proportional to the magnetic permeability of the core. Therefore to improve the magnetic properties of the core material is the main way to reduce the size of the current transformer for measurement, especially…
ZCT520 Pin type zero phase transformer current calculation Electrical Specification (Customized is available) Rated Current 50A DC Resistance at 25℃ 54±6Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo 20-24mV Working principle of zero sequence current transformer The basic principle of zero-sequence current protection is based on Kirchhoff’s current law: the algebraic sum of the complex current flowing into any node in the circuit…
ZCT516 Pin type zero phase current transformer use Electrical Specification (Customized is available) Rated Current 30A DC Resistance at 25℃ 46±5Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo 6.3-7.3mV The basic function of current transformers The current transformers can convert primary currents with larger values to secondary currents with lower values through a certain transformation ratio, which are used for protection and measurement…
ZCT515 Pin type zero phase current transformer for customized design Electrical Specification (Customized is available) Rated Current 30A DC Resistance at 25℃ 43.5±4Ω Dielectric Withstanding Voltage(Hi-pot) 2500Vrms Output Voltage Vo 3.2±0.2mV The function of zero sequence current transformer When an electric shock or leakage fault occurs in the circuit, the protection acts and the power supply is cut off. Conditions of use for zero…
