SCOPE OF LEARNING: 

• Study of No load test and Ferranti effects on transmission line.

• Load test and calculation of efficiency, regulation and power flow in pi model of TL.

• Load test and calculation of efficiency, regulation and power flow in short model of TL

• Study of symmetrical and asymmetrical faults on transmission line.

• Study of distance protection using distance relay.

• Studies of Auto reclose function of distance relay.

• Study of Distribution transformer protection for differential & over current faults.

Power Supplies:

• AC Power Supply 0-415V, 4A

• Operated on Mains power 415V, 50Hz +10%

SINGLE PHASE POWER SUPPLY MODULE

• MCB

• Red Indicator

• Digital Timer

• Reset Switch 

THREE PHASE POWER SUPPLY MODULE (415V,50Hz)

• MCB

• Emergency Stop

• R-Y-B Indicator

 MULTIFUCTION METER MODULE 2NOS.

• Digital Multi Function Meter. Measures V, I, PF (0.2 lag – unity 0.2 lead), Hz.

FORWARD/ REVERSE SWITCH MODULE 

? FWD/REV, 3 pole 3 way switch with center OFF, 6A/440V.

CAPACITOR SELECTION MODULE 

? Consisting of VAR compensating capacitors of 2, 4, 6, 8, 10 & 15µF each of 3nos with 3 pole 7 way switch for selection.

DIGITAL METER MODULE (FOR AC)

• Digital Voltmeter AC

• Digital Ammeter AC 

CURRENT TRANSFORMER MODULE

• Current Transformer (3Units) 

SOURCE LINE IN MODULE 

• Circuit Connection In

TRIPPING INDICATION MODULE

• Lamp Holder 230V (2Units)

POTENTIAL TRANSFORMER MODULE

• Potential Transformer (3Units)

TRANSMISSION LINE OUT MODULE 

• Connection Out For Transmission Line 

DIFFERENTIAL RELAY (TRANSFORMER PROTECTION) MODULE  1 NO.

• Protections: Differential, over current, Under/Over voltage, Under/Over frequency, Reverse power, Earth fault.

• 9 pin D (M) connector to interface with RTU/SCADA for automation.

• Modbus RTU RS 485 for RTU/SCADA interface.

DISTANCE PROTECTION RELAY MODULE

• Protections: Distance, Over current, Under/Over voltage, Earth fault.

• Auto reclose function of relay

• 9 pin D (M) connector to interface with RTU/SCADA for automation.

• Modbus RTU RS 485 for RTU/SCADA interface.

3PHASE CURRENT SOURCE MODULE

• CIRCUIT FOR DISTANCE RELAY

• 9PIN  JOHNSON CONNECTOR

• 9PIN  JOHNSON CONNECTOR 

1. TRANSMISSION LINE PANEL TABLE TOP PANEL CONSISTING OF:

? Simulate model for transmission line constructed using R(10ohm/600W), L(0.15H/5A) and C (2.2uF/630V) 6 No. each component.

? Can Simulate model for medium/long (125 km/250 km) length transmission line for ? model.

? Can Simulate model for medium/long (125 km/250 km) length transmission line for T model.

? Fan cooled table top setup for long life.

2. RLC LOAD CONSISTING OF:

? 3nos of 1KW resistors with switch selectable 1(off) + 6 nos. of taps at 100, 112, 150, 175, 200 & 225 ohm & SIL tap of 262 ohm.

? 3 nos. of inductor 1.5H/1A with switch selectable 1(off) + 6 nos. of taps at 0.3, 0.6, 0.75, 0.9, 1.2 & 1.5H.

? Capacitors 440VAC rating (3nos, one per phase) with switch selectable 7nos of value of 2, 5, 10, 15, 20, 30 & 50µF.

? Fan cooled table top setup.

3. 3 PHASE DIMMER PANEL TABLE TOP PANEL CONSISTING OF:

? 3 Phase dimmer I/P : 415VAC, 50Hz, O/P : 0 - 470 V AC, 6A, 3 phase.

4. DISTRIBUTION TRANSFORMER 1 NO.

• 3 Phase power transformer with connection group YY11,

• Input 415VAC, Output 415VAC, 3KVA,

• Secondary winding with tapping at +2.5% and +5%.

TRANSMISSION LINE PANEL: 

• Table Top Panel consisting of :

• Simulated model for short transmission line using R(10 ohm/600W), L(0.15H/5A) & C (2.2uF/630V) 6 No. each component.

• Simulated model for medium length 125kms & long lenth 250kms transmission line.

• Forced Air cooled using 2 fans.

SALIENT FEATURES:

• Front panel built with high class insulated Printed Circuit Breaker well printed circuits and symbols.

• Instruction manual.

• Patch Cords 4mm (Heavy Duty) 1Meter Length. 

• High Voltage Test Points are Provided With 4mm Safety Sockets

• The trainer is housed in Modular Based Rack Type Aluminum Extruded Metal cabinet. 

• Short Circuit protection with the MCB.

• Size of the trainer set 54”x24” 

OPTIONAL ACCESSORIES:

• No