POWER TRANSMISSION & DISTRIBUTION TRAINER (Model : XPO-SPS/TLD)

Table top control panel Rack &

under table Distri. X'mer, TL1 &

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RLC load panel

NOTE: This is part of XPO-SPS Training System.

SALIENT FEATURES  Emergency stop mushroom switch is provided with security
key lock on the profile rack.
 This setup is used for transmission line study for short as well
 Facilitates easy and safe wiring by students due to use of
as long line Pi model, ferranti effects, load regulation /
4mm sturdy Shrouded banana patch cords and shrouded
efficiency calculations, symmetric/asymmetric fault study. socket arrangements for high voltage circuits
This setup also covers protection of transmission line using
 Each panel has ABS molded plastic sturdy enclosure, and
multi function numeric distance protection relay and of colorful screwless overlays showing circuits diagrams & its
distribution transformer using multi function numeric connection tag numbers for easy understanding and
transformer protection relay. connection
 The protection relays are connected to RTU/SCADA over  Useful for Under Graduate Practicals, Post Graduate Projects
RS485 to display all fault records on SCADA screen. and Research Purpose.
 Set of Instructor Guide & Student Workbook.

Technical Specifications  Measure V. I., Hz, Pf, KVA, KW, KWH

XPO- SPS/TLD trainer can work in standalone mode as well as  Modbus RTU RS 485 for RTU/SCADA interface.
in conjunction with HMI, RTU SCADA software and consists of  VAR Compensation panel (dual panel) (EMT43) X 1 No.
following panels:  Consisting of VAR compensating capacitors of 2, 4, 6, 8, 10 &
 Input 3 phase DOL Starter panel (EMT1) X 1 No 15µF each of 3 nos with 3 pole 7 way switch for selection.
 4 pole MCB of 415 V/4A.  Differential Relay (Transformer protection) panel (EMT
 DOL 16A Contactor with 24DCV / 11VA COIL 47C) X 1 No.
 Bimetallic thermal O/L relay with range 2.5A - 6A  Protections: Differential, Over current, Under/Over voltage,
 RYB inputs indicators. Under/Over frequency, Reverse power, Earth fault.
 9 pin D (M) connector for RTU/SCADA interface.  9 pin D (M) connector to interface with RTU/SCADA for
 Manual start / stop with local trip contact
automation.
 Power ON LED indicator
 Modbus RTU RS 485 for RTU/SCADA interface.
 CT panel (EMT48) ) X 2 No.
Power Engineering

 FWD-OFF-REV, Switch Panel (EMT 4A) X 1 No.

 Consist of 5/5 Amp. CT 6 Nos.
 FWD/REV, 3 pole 3 way switch with center OFF, 6A/440V.
 Primary side of CTs are brought on 3 x 2 x 2 SBS-5 sockets.
 3 Phase Bidirectional Power cum Energy meter panel (EMT
34) X 3 Nos.  Secondary side of CTs are Star connected in group of 3 &
brought out on 4 x 2 SBS-5 sockets
 Bidirectional Multifunction
 Distance protection Relay panel (EMT 53) X 1 No.
 3 phase 3/4 wire, 415VAC, CT Input 5A
 Protections: Distance, Over current, Under/Over voltage, Earth
 LCD/LED display, Aux. supply 230V, 45-65Hz,5W
fault.
  Auto reclose function of relay Accessories:
 9 pin D (M) connector to interface with RTU/SCADA for a) Tables for Transmission & Distribution Setup : 1 no. consists of
automation. Pi type frame, under trolley.
 Modbus RTU RS 485 for RTU/SCADA interface. i) Frame: 45X45 aluminum profile (Heavy duty) Colour: anodized
 415/110VAC, 50VA PT panel (EMT 54) X 1 No. white.
 Consisting of potential transformer,
ii) Table top material/colour: The nova pan or Rubber wood with
white/Silver gray with smooth finish veneer finish table top (25
 Input 415VAC, star connected, Output 110VAC, star
mm thickness) with removable slot cover (900X500mm).
connected, 50VA.
iii) Under Trolley: Located under individual setup table to house
 37 pin D(M) to 9 pin D(F) converter panel (EMT 62) X 1 No.
respective load panel, transmission line panel variac panel,
 Consist of 37 pin D type male 1 no., 9 pin D type male 1 no.
transformer etc as applicable.
 9 pin D type female connectors 9 nos. iv) Dimension: Table: 1450 mm (L) X 750 mm (W) X 760 mm (H).
 Power ON LED. Under Trolley: 1200X700X185mm
 5 pin to shrouded socket converter panel (EMT 63) X 2 Nos. v) Caster wheels: Four sturdy castor wheels with locking
 Consist of 5 pin 3 phase, 5 wires industrial female socket to mechanism are provided so that table can be positioned
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connect 415VAC 3 phase supply. conveniently.

 Shrouded banana sockets 18 nos to extend the 3 phase supply b) Cables:
into individual setups. i) 9 pin D male to 9 pin D female with 9 core cable, length up to 4
 It's used as bidirectional 3 phase extension board between two meter - 4 nos.
setups. ii) 37 pin D male to 37 pin D female patch cable, length = 4 meters
Table top panels: -1 no.
iii) RS485 patch cable: 6 pin mini DIN male to 6 pin mini DIN male,
 Distribution transformer Panel (EMT54D) X 1 No.
length up to 4 meters - 5 nos.
 3 phase power transformer with connection group YY11,
c) Signal tower: 4 nos. of fixed function lamps and 1 Alarm sound
 Input 415VAC, Output 415VAC, 3KVA,
all mounted one above another in classic bayonet system by
 Secondary winding with tapping at ±2.5% and ±5%. means of a simple half rotation manual operation, mounted on
 Transmission line Panel (EMT38 & 42E) right vertical member of the TLD rack and are driven from 24V
Table Top Panel consisting of: DC output of PLC using 37 pin D converter panel. The signal
 Simulated model for transmission line (250kms) using R(10 tower is used to indicate following conditions-
ohm/600W), L(0.15H/5A) & C (2.2uF/630V) 6 No. each  Red lamp paralleled with sounder - When any Relay trips,

component. Red lamp will flash at 0.75Hz and the alarm is sounded until
 Simulated model for medium/long length transmission line for fault accept button is pressed.
pi model.  Orange lamp - When an Emergency stop button is pressed,

 Simulated model for medium/long length transmission line for T

the 3 Ph. supply of Grid and Generator is made OFF and Orange
model lamp will flash at 0.75Hz until fault accept button is pressed.
 Green lamp - When Default state is pressed Green lamp will
 Fault resistor 100ohm/600W.
ON for 1sec & OFF for 3sec which indicate all CB's and
 Multi pin heavy duty connector 32 pin & 24 pin to establish
isolators OFF. When any of the CB or isolator is switched ON
control from RTU/SCADA.
then green light will flash at 0.75Hz indicating SCADA in
 RLC load Panel (EMT42A/B/C) X 1 No.
operation.
 3 nos of 600W resistors with switch selectable 6 nos of taps at  Blue lamp - When Grid is AUTO synchronized with Generator
100, 112, 150, 175, 200 & 225 ohm. the Blue will flash at 0.75Hz.
 3 nos of inductor 1.5H/1A with switch selectable 6 nos of taps at List of experiments:
0.3, 0.6, 0.75, 0.9, 1.2 & 1.5H. i) Study of No load test and Ferranti effects on transmission line.
 Capacitors 440VAC rating (3 nos, one per phase) with switch ii) Load test and calculation of efficiency, regulation and power
selectable 7 nos of value of 2, 5, 10, 15, 20, 30 & 50µF. flow in pi model of TL.
 Multi pin heavy duty connector 32 pin & 24 pin to establish iii) Load test and calculation of efficiency, regulation and power
Power Engineering

control from RTU/SCADA. flow in short model of TL

 Mechanical Dimension (mm) / Wt. (Kg): iv) Study of symmetrical and asymmetrical faults on transmission
 Rack: 1170(L) x 300(W) x 990(H) / Net Wt.: 65, Gross Wt.: 73. line.
 TL1: 600(L) x 385(W) x 500(H) / Net Wt.: 103 v) Study of distance protection using distance relay.
 RLC Load panel: 600(L) x 275(W) x 500(H) / Net Wt.: 60
vi) Study of Auto reclose function of distance relay.
vii) Study of Distribution transformer protection for differential &
 Distri. X'mer: 770(L) x 275(W) x 435(H) / Net Wt.: 53
over current faults.