Description
This set up is designed to study the working principle and IDMT characteristics of Earth Fault relay (electromechanical type). This set up consists of
- Electromechanical Type –Earth Fault Relay –IDMT Type
- Earth Fault simulator set up (Motor set up)
Earth Fault Relay
- Type Single Pole / element E/F Relay
- CT Input 1A
- PMS 50% -200% in steps of 25%
- TMS 0.1 to 1 in steps of 0.1s
- Function IDMT
- Features Self powered- Hand reset type-Mechanical Flag Indicator
- Make MEGAWIN /AREVA
Earth Fault simulator set up (Motor set up)
- This simulator is designed to test the earth fault relay with IDMT characteristics. It consists of
- One number of 3 phase ac induction motor/0.5hp/3 phase/1440rpm-siemens Make is provided for 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 (0-20A) /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 Panel, 230vac input
- AC Input with power ON/OFF Switch
For More Details , Contact : shanmugam@powerlabinstruments.com
