Description
This set up is designed to study the working principle and characteristics of Frequency relay (Digital OF & UF). This set up consists of
- Digital Frequency Relay (Over Frequency & Under Frequency) –DMT Type
- Variable frequency AC Source with test set up
Frequency Relay
- Type Digital Frequency Relay
- PT Input 110VAC
- Setting 40-60 HZ
- Function DMT
- Features Over frequency & Under frequency protection
- Make Prok Dv’s -Refer attached data sheet
- LCD indicator for set & actual frequency indication and trip status indication
- 4 numbers of Touch Keys for parameter setting & selection
- Connectors for PT input
- DMT Characteristics selection
- One number of “NC” & “NO” Contact @ 230VAC ,5A rating
Frequency Relay test kit
This relay test set up is designed to test the Frequency relay with DMT characteristics. It consists of
- One number of variable AC Frequency Source
- Type : AC Motor coupled with single phase alternator set up
- Prime mover ;1hp 3 Phase AC Motor (220VAC,1415RPM)
- Alternator : 0.5KVA Alternator ( single phase 110VAC, 200VDC For field-1500RPM)
- Features ;Variable frequency drive (VFD) is provided for prime mover speed adjustment for alternator frequency variation
- One number of digital Frequency meter /3.5 digit / MECO Make or Equivalent is provided to measure the Frequency of alternator
- 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
- MCB, Breakers with input indicators are provided
- 230VAC Input with On/off MCB and indicator
For More Details , Contact : shanmugam@powerlabinstruments.com




