Hall effect principle based Current Transducer, specifically made to work in extreme atmosphere of traction application. Its measuring secondary circuit is galvanically isolated with primary circuit.
Technical Features
Very compact & light weight than conventional CT & Shunt
Can measure DC, AC and impulse/surge current
Measuring range of the current 0 to ±3000 Amp
Conversion ratio of primary and secondary is 1 : 5000
Conversion ratio of primary and test circuit is 1 : 1000
Measuring accuracy better than ±0.25 %
Linearity is better than ±0.1%
Zero offset current within ±0.75mA
Measurement response time is better than 1μs
Operating bandwidth 0 to 100Khz (-1db)
Dielectric Isolation of primary & secondary 9KVAC
Operating temperature -40ºC to +70ºC
Applications
To measure the current (DC, AC and pulsating upto 100Khz) accurately in high power circuit of 3Phase, 6000HP class of Locomotives for 25KVAC, 50Hz system. It measures the current of Hotel Load Supply.