AC transmission line analyser
- This set-up consists of four individual modules.
- Input AC Source
- Transmission Line model
- Transmission line parameter measurement module
- Load setup
INPUT AC SOURCE
- One no. of variable AC source at 1250 Hz. With two mode of variable voltage.
- 0-25V peak for short transmission line and 35V for medium and long line
- One no. of toggle switch to select 25/35V AC
- One no. of potentiometer used for Voltage variation.
- One no. of ON/OFF switch and Fuse provided for AC output
- Output terminated with banana socket
- One no of illuminated Rocker Switch provided for power ON / OFF
TRANSMISSION LINE MODEL
- Simulated value of R-L at 80 km length for short transmission line.
- Simulated value of R-L-C at 150 km length for MEDIUM LINE with PL & T network.
- Simulated value of R-L-C at 300 km LONG transmission line.
- All input and output terminals are terminated at front panel..
TRANSMISSION LINE PARAMETER MEASUREMENT MODEL
- One no. of PIC Micro controller used to measure all parameters.
- One no. of LCD display to indicate,
- Sending end voltage (Vs)
- Sending end current (Is)
- Receiving end voltage (Vr)
- Receiving end current (Ir)
- Phase angle between Vs/Vr
- Phase angle between Vs/Is
- Phase angle between Vs/Ir
- Phase angle between Vr/Ir
- One no. of PIC Microcontroller can be used to calculate the A, B, C, D values
- One number of LCD display to indicate A, B, C,D value of transmission line in rectangular form
- One no of illuminated Rocker Switch provided for power ON / OFF
- One no of TPST switch provided to select
- One no of DPST switch provided for Hold & the IS & IRCT calculate mode
LOAD SET-UP FOR TRANSMISSION LINE MODEL
- Three sets of R-L load for all three types of transmission line.
- 3 Toggle switches provided to select R, RL Load (All 3 sections)
- Rotary switch provided for load R, L value selection.
- Input & output are terminated at banana sockets.
EXPERIMENTS:
- Measurement of sending end, receiving end parameter of SHORT / MEDIUM / LONG transmission line.
- Calculation and checking of A, B, C, D constant of all three lines.
- Ferranti effect