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 – Over Current Relay –IDMT Type
- Relay test set up (CURRENT INEJCTION Unit)
Over Current Relay
- Type;Single Pole /element Over Current Relay
- CT Input;5A
- PMS;50% -200% in steps of 25%
- TMS;0.1 to 1 in steps of 0.1s
- Function;IDMT
- Curve;IDMT curve of 3sec as per IEC-255
- Features;Self powered, Hand reset type-Mechanical Flag Indicator
OCR Test set up
- 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 0-25A
- One number of Autotransformer is provided to adjust the current output continuously
- 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
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- 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