Computer Interface Numerical Directional Over Current Relay Trainer, Model Name/Number: Ts-Nudoc-Pc

Numerical directional over current Relay Trainer with pc interface

The relay test bench having  

- Have sturdy enclosure with colorful overlays showing circuit diagrams and its connections for easy understanding of students

- Set of instruction working manual

- Stage Directional Overcurrent (67)

- Numerical, true RMS measurement

- Wide Current setting ranges

Control Panel –

The relay has 8 output contacts

- Trip/alarm for both elements 2 N/O

- Common starter for both elements 1 N/O

- Element 1operated 1 N/O

- Element 2 operated 1 N/O

- Protection Unhealthy 1 N/C

- Timer 1 N/O - Trip circuit fail 1 N/O

List of Experiments

- Study & testing of DMT type Directional current relay

- Study & testing of IDMT type Directional current relay

- Plotting of characteristics of Directional Overcurrent relay in PC

- How to program a numerical relay

 Technical specifications:

- Integrated Relay with cutout and terminals

- Type -Directional over Current Relay,

- CT Input 2A,

- Function IDMT/DMT Curve IDMT/DMT curve,

- Features Self powered / supply 48vdc,

- 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 source.,

- One number of digital AC Ammeter (0-30A) /3.5 digit / VERITEK Make to measure the current input in amp,

- One number of Automatic trip time measurement circuit (ATTM Circuit)

- One number START push button in ATTM Circuit,

- One number STOP push button in ATTM Circuit,

- One number LCD - Digital stop Clock in ATTM Circuit to measure relay trip time in S, S/10, S/100,

- One number reset switch in front panel to restart the digital stop clock

- Software to download Disturbance Records

- Disturbance Records (to be available to be plotted in a spreadsheet)

- Disturbance data for further analysis in any Power System analysis tool

- RS232 – USB Converter Included

Detailed manual with theory and practical guidance with tables and charts