Micro processor based (numeric) under / over – voltage relay
MICRO PROCESSOR BASED OVER/UNDER VOLTAGE RELAY (VPL-05)
- One no. of PIC-Micro Processor used as processor to read fault-voltage, & relay function.
- One no. of LCD to indicate Voltage & Time Constants.
- Five no’s of key used for set point adjustments.
- OV/UV selection.
- One no. of 230/9V PT used to sense fault voltage.
- One no. of 12v auxiliary relay used for contactor operation.
- One no .of LED provided to indicate the relay tripping condition
SPECIFICATION:
- Voltage Input: 0 – 23 0volt
- Number of contact: One number “NC” contact @ 220V, 5Amp rating, one
- of “NO” contact @ 220V, 5amp rating. Auxiliary Supply: 230V AC, 50Hz
- Power ON/OFF switch with indicator.
VOLTAGE INJUCTION SOURCE
- One no. of auto transformer used for voltage adjustment.
- Voltage output terminated in the banana-sockets
- Specification: Voltage range: 0-230V AC. (Continuously variables)
EXPERIMENTS:
- Study & Test DMT/IDMT type Over/Under-voltage relay with different voltage & time settings
- Study & Test of DMT/IDMT type Over/Under voltage relay with different voltage & time settings
Optional:
- PC Interface with the above Relay