Description
This set up is designed to study the working principle and DMT / IDMT characteristics of Single phase Earth Fault- current relay (Digital type). This set up consists of
-
- Digital – E.F Over Current Relay –IDMT Type
- Relay test kit (Earth Fault simulator)
E.F. Current Relay
- Type :Digital Relay ( Microcontroller Based)
- Function :Single element Earth Fault current Relay
- CT Input :2A
- Current Setting:0-2A
- Time Setting :0.1 to 1s ( IDMT), 0-50s (DMT)
- Function :IDMT & DMT
- Output :NC&NO Contact@2A
- Auxiliary supply 230VAC
- Make :PLI /C&S/Prok-dvs
Earth Fault simulator set up (Motor set up)
- This simulator is designed to test the earth fault relay with DMT /IDMT characteristics. It consists of
- One number of 3 phase ac induction motor/0.5hp/3 phase/1440rpm-siemens Make is providedFor short circuit /earth fault creation
- One number of short circuit resistor is provided to limit short circuit /Earth current
- One number of digital AC Ammeter (0-5A) /3.5 digit / MECO Make is provided to measure the earth current input in amp
- One number of Automatic trip time measurement circuit (ATTM Circuit) is provided
- One number START push button is provided in ATTM Circuit
- One number STOP push button is provided in ATTM Circuit
- One number LCD – Digital stop Clock is provided in ATTM Circuit to measure relay trip time in S , S/10 , S/100
- One number reset switch is provided in front panel to restart the digital stop clock
- All are mounted on a nice cabinet with diagram stickered on front &230VAC@50Hz
- AC Input with power ON/OFF Switch
For More Details , Contact : shanmugam@powerlabinstruments.com
