Description
This set up is designed to study the working principle and IDMT characteristics of Single phase IDMT Type over current relay (electromechanical type). This set up consists of
- Electromechanical Type – Directional Over Current Relay –DMT Type
- Relay test kit (Current Injection Unit)
Over Current Relay
- Type Directional Over Current Relay
- CT Input 2A
- PMS 0.5,0.75,1,1.25,1.5,1.75&2A
- TMS 0.1 to 1 in steps of 0.1s
- Function IDMT
- Curve IDMT curve of 3sec as per IEC-255
- Features Self powered /aux supply 48vdc- Hand reset type-Mechanical Flag Indicator
- Make AREVA (CDD21)
Over Current Relay test kit
- This relay test set up is designed to test the over current relay with IDMT characteristics. It consists of
- One number of variable AC current Source of 0-20A
- One number of Autotransformer is provided to adjust the current output continuously
- Provision to change the direction of current coil
- One number of digital AC Ammeter (0-30A) /3.5 digit / MECO Make is provided to measure the 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@50Hz AC Input with power ON/OFF Switch
For More Details , Contact : shanmugam@powerlabinstruments.com
