Description
This set up is designed to study the working principle % biased single phase differential relay. This set up consists of
- Static type Percentage biased differential Relay
- Test set up for Differential protection of transformer
Percentage biased differential Relay
- 5A Ratings
- Static (Microcontroller) type
- IDMT or DMT Type (any one type)
- With bias setting key & digital display
- With One number of “NO” Contact of 5A ratings
- With One number of “NC” Contact of 5A ratings
- Make : POWER LAB /MEGAWIN / or any other available model
- The above relay is mounted on a M.S frame with current input terminations.
Test set up
- One number of single phase Fault simulating transformer for differential protection test set up
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- Primary : 0-6-12-24-48V @ 4A
- Secondary : 0-6-12-24-48V @ 4A
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- One number of 230/ 48v Step down transformer is provided for Fault simulating transformer input
- Two number of digital AC Ammeter (0-10A) is provided to measure the primary and secondary current of fault simulating transformer
- One number of 5A rheostat is provided as short circuit resistor
- 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 Digital stop Clock is provided in ATTM Circuit to measure relay trip time
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- All are mounted on a nice cabinet with diagram stickered front panel.
- 230VAC@50Hz AC Input with power ON/OFF Switch
For More Details , Contact : shanmugam@powerlabinstruments.com




