Autometers Alliance Ltd is an ISO9001, ISO14001, ISO45001 certified Indian company manufacturing high technology products to international standards.

Contact Info

+91 120 6770100
support@autometers.com

C-63, Sector-57, Noida-201307, UP, India

PRIMARY CURRENT SENSOR

PRIMARY CURRENT SENSOR

for Electric Locomotives

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.

  • Very compact & light weight than conventional CT & Shunt.
  • Can measure DC, AC and impulse / surge curent.
  • Measuring range of the current 0 to ±1500 Amp.
  • Conversion ratio of primary and secondary is 1 : 5000.
  • Conversion ratio of primary and test circuit is 1 : 1000.
  • Measuring accuracy better than ±0.3%.
  • Linearity is better than ±0.1%.
  • Zero offset current within ±0.4mA.
  • Measurement response time is better than 1us.
  • Operating bandwidth 0 to 100Khz (-1db).
  • Dielectric Isolation of Primary & Secondary 6KVAC.
  • Operating temperature -30°C to 70°C.

 

PRIMARY CURRENT SENSOR

Technical Specifications

Nominal Primary current 1000A rms
Nominal out put current 200mA rms
Measuring range 0 to ±1500 Amp.
Conversion ratio of primary & secondary 1 : 5000.
Input Power supply  Voltage + 15VDC  to + 21VDC  and -15VDC  to -21VDC
Measurement accuracy ± 0.3% of Input current
Linearity in measurement Better than ± 0.1%
Zero Offset current Max. ± 0.4mA
Response time Better than 1us
Bandwidth 0 - 100Khz (-1db)
di/dt response Better than 50A / µs
Current consumption 25mA + out put current
Dielectric Isolation Primary & secondary 6.0 KV AC 50Hz
Operating temperature  -30ºC to 70ºC.
Test Winding Ratio 1: 1000
Approximate weight 1.0Kg
Compliance Standards and reference specification IEC 60571, IEC61373, IS 11731  Part I & II, CLW specification CLW/S/3/0084

Applications

To measure the current (DC, AC and pulsating upto 100Khz) accurately in high power circuit of 3Phase, 6000HP, WAG-9 class of Locomotives for 25KVAC, 50Hz system.

Our Clients