Technical Specifications

Sci-tech Over – Under Voltage Protection Relays Trainer Model ELTR 004-01 has been designed particularly for average complexity educational training purpose for study of controlled protection relays for use in power distribution systems.

High quality instrument, offers 5 push buttons and 8 digit display for 4 modes of operation in order to set and measure the parameters: .

• MEASURE, to access one of four display areas
• DISPLAY, to visualize the parameters
• TEST, to test the unit

The unit is supplied with factory default parameter settings as listed in the manual.

Sci-tech Over – Under Voltage Protection Relays Trainer Model ELTR 004-01 helps you to get fully acquainted with the basic concepts and functioning of Protection of relay in transmission line Trainer.

Specification

 Trainer consists of control panels mountable in 40X40mm Aluminum profile rack with sturdy table top flat panel.

 4 no’s of ABS plastic panel mounted on the aluminum rack with mimic diagram

 All input & output are terminated in 4mm shrouded connector, It is 4mm banana cable for experiments.

 3phase DOL starter 4pole MCB, contractor & relay panel

– 4 pole MCB of 415 V/4A .

– DOL 9A Contactor with 230V / 50 Hz / 11VA COIL

 3 phase multifunction meter panel

– Bidirectional Multifunction

– 3 Phase ¾ wire, 415V, CT Input 5A

– LCD/LED display, Aux supply 230V, 45-65 Hz, 5W

– V, A, Hz, Pf, KVA, KW, KWH

– PC Communication: Modbus RTU RS485 (OPTIONAL)

 Over current & elapsed Time measurement panel

– Consists of AC ammeter of 20A

– Elapsed time counter range 999.001 sec, resolution 1msec

 Relay Panel

– All connection of relay are brought out on this panel

– 2 NO & 2 NC contacts

– Relay Coil Connector

 Table top 3 phase Dimmer.

– 3 phase dimmer input 230V, 50Hz

– Output 0-200V/ 3A

 Table Top Protection Relay

– Numerical/ Electromechanical type IDMT Over & Under Voltage type

Accessories:

 3 phase Variac 3 Amp.

 Input Voltage 415V AC, 50 Hz. Output 470V AC/3A

 Set of Manuals with Experiments.

 Demo CD showing Experiments

 Set of Shrouded Cables

Optional Accessories:

 Hand Held Tachometer….1 No

 Working Table….1 No

 Multimeter … 1 No

 Tool Kit… 1 No

Experiment Possibilities

 To Plot characteristics of under voltage relay.

 To Plot characteristics of over voltage relay.

 Negative phase sequence protection

 

Sci-tech Directional Over Current Relay Trainer Model ELTR 004-02 helps you to get fully acquainted with the basic concepts and functioning of a Transmission Line Trainer.

Specification

 Trainer consists of control panels mountable in 40X40mm Aluminum profile rack with sturdy table top flat panel.

 4 no’s of ABS plastic panel mounted on the aluminum rack with mimic diagram

 All input & output are terminated in 4mm shrouded connector, its provide 4mm banana cable for experiments.

 3phase DOL starter 4pole MCB, contractor & relay panel

– 4 pole MCB of 415 V/4A .

– DOL 9A Contactor with 230V / 50 Hz / 11VA COIL .

 3 phase multifunction meter panel

– Bidirectional Multifunction

– 3 Phase ¾ wire, 415V, CT Input 5A

– LCD/LED display, Aux supply 230V, 45-65 Hz, 5W

– V, A, Hz, Pf, KVA, KW, KWH

– PC Communication: Modbus RTU RS485 (OPTIONAL)

 Over current & elapsed Time measurement panel

– Consists of AC ammeter of 20A

– Elapsed time counter range 999.001 sec, resolution 1msec

 Relay Panel

– All connection of relay are brought out on this panel

– 2 NO & 2 NC contacts

– Current rating 5A

– Relay Coil Connector

 Table top 3 phase Dimmer.

– 3 phase dimmer input 230V, 50Hz

– Output 0-200V/ 3A

 Table Top Protection Relay

– Directional, IDMT, Definite Time Over current static Relay

 Table Top Resistive Load Panel

– 3 nos of 600W resistors with switch selectable for 100, 112, 125, 150, 175, 200 & 225 Ohm.

Accessories:

 Set of Shrouded Cables

 Set of Manuals with Experiments.

 Demo CD showing Experiments

Optional Accessories:

 Hand Held Tachometer….1 No

 Working Table….1 No

 Multimeter … 1 No

 Tool Kit… 1 No

Experiment Possibilities

 To plot Inverse Definite Minimum Time characteristics of over current relay.

 To perform experiment on definite / instantaneous mode setting of the relay.

 To perform experiment on Earth Fault mode setting of the relay.

 

Sci-tech Percentage Biased Differential Relay Trainer Model ELTR 004-03 helps you to get fully acquainted with the basic concepts and functioning of a Transmission Line Trainer.

Specifications

• Trainer consists of control panels mountable in 40X40mm Aluminum profile rack with sturdy tabletop flat panel.
• 8 nos of ABS plastic panel mounted on the aluminum rack with mimic diagram
• All input & output are terminated in 4mm shrouded connector, 4mm banana cable for experiments.
• 3phase DOL starter 4pole MCB, contractor & relay panel

– 4 pole MCB of 415 V/4A.

– DOL 9A Contactor with 230V / 50 Hz / 11VA COIL.

– Bimetallic thermal O/L relay with range 1.4A – 2.3A

• 3 phase multifunction meter panel (2nos)

– Bidirectional Multifunction

– 3 Phase ¾ wire, 415V, CT Input 5A

– LCD/LED display, Aux supply 230V, 45- 65 Hz, 5W

– V, A, Hz, Pf, KVA, KW, KWH

– PC Communication: Modbus RTU RS485 (OPTIONAL)

• 1 phase Supply, Voltmeter & Ammeter Panel.

– 1 ph. MCBs of 4A.

– 1 no. 0-300V Voltmeter & 0-2A Ammeter.

• 1 phase Dimmer Panel.

– 1 phase dimmer input 230V, 50Hz

– Output 0-200V/ 2

– Transformer with primary 230VAC/1A, secondary 0-2-8V/12A.

• Over current & elapsed Time measurement panel

– Consists of AC ammeter of 20A

– Elapsed time counter range 999.001 sec, resolution 1msec

• Differential Relay Panel

– All connection of relay are brought out on this panel

– 2 NO Trip contacts

– Aux. Supply 110VDC/230VAC

– Electromechanical / Numerical type-High speed biased differential relay.

– Current rating 1A, with biased setting of 15%, 30% and 45% by patch connectivity,

– Aux. supply 110VDC

• CT panel (EMT48)

– Consist of 5/5 Amp. CT

– Primary side of CTs are brought on 3 x 2 x 2 SBS sockets.

– Secondary side of CTs are Star connected in group of 3 & brought out on 4 x 2 S B S sockets

• Tabletop Star Delta Transformer Panel

– 1KVA 3 phase 415/230VAC Transformer

– Star/Delta transformer connection facility

• Tabletop Resistive Load panel.

– AC/DC Resistors 750E/ 600E/300E/ 212E / 162E/ 125E/112E/100E/400W

• Tabletop Resistive Load panel.

– 3 nos of 600W resistors with switch selectable for 100, 112, 125, 150, 175, 2 0 0 & 225 Ohm.

Accessories:

 Set of Shrouded Cables

 Set of Manuals with Experiments.

 Demo CD showing Experiments. 

Optional Accessories:

 Handheld Tachometer….1 No

 Working Table….1 No

 Multimeter … 1 No

 Tool Kit… 1 No

Experiment Possibilities

– To plot characteristics of % biased differential relay.

– Pick up test for differential relay.

– Transformer out zone or non-trip faults.

– Transformer protection for in zone trips faults.

 

Sci-tech Power Factor Control Relay Trainer Model ELTR 004-04 helps you to get fully acquainted with the basic concepts and functioning of Power Factor Relays in power transmission and distribution.

Specifications

• Trainer consists of control panels mountable in 40X40mm Aluminum profile rack with sturdy tabletop flat panel.
• 8 nos of ABS plastic control panels are mounted on the aluminum rack with mimic diagram
• All input & output are terminated in 4mm shrouded connector, 4mm banana cable for experiments.
• 3phase DOL starter 4pole MCB, contractor & relay panel

– 4 pole MCB of 415 V/4A.

– DOL 9A Contactor with 230V / 50 Hz / 11VA COIL

– Bimetallic thermal O/L relay with range 1.4A – 2.3A

– Display: Indicators for R-Y-B Input

• 3 phase multifunction meter panel (2nos)

– Bidirectional Multifunction

– 3 Phase ¾ wire, 415V, CT Input 5A

– LCD/LED display, Aux supply 230V, 45- 65 Hz, 5W

– V, A, Hz, Pf, KVA, KW, KWH

– PC Communication: Modbus RTU RS485 (OPTIONAL)

• Contactor Panel
• Rating: 9A, 230V / 50 Hz / 11VA COIL
• Contacts: Power Contacts 3 NO type; Logic Contact 2 NO, 2 NC
• Lamp Load Panel
• Lamp Load: 15W / 40W / 60W / 100W / 200W, 230V AC with indicators (3 No’s)
• Toggle Switch: ON/OFF for each bulb (3 No’s)
• Relay Panel
• Connector Relay Coil
• Connection: All connection of relay are brought out on this panel
• Resistive Load Panel
• Resistive Loads: 100E / 125E / 150E / 175E / 200E / 225E / OFF 600W / 7 steps (3Nos) + 262E SIL tap.
• Inductive Load Panel
• Inductive Loads: 0.3H / 0.6H / 0.75H / 0.9H/1.2H/1.5H1A (3Nos)
• VAR Compensation Panel
• Capacitive Loads: 1 μF / 2 μF / 4 μF / 5 μF/ 6 μF / 8 μF / 10 μF & 15μF; 415V (3Nos)
• Protection Relay Panel
• Voltage Rating: Built in PT, can be connected between remaining two phases
• Supply: 85-275V AC/DC
• Contacts: 2 NO & 2 NC
• Current Rating: 1A/5A

Accessories:

 Set of Shrouded Cables

 Set of Manuals with Experiments.

 Demo CD showing Experiments.

Optional Accessories:

 Handheld Tachometer….1 No

 Working Table….1 No

 Multimeter … 1 No

 Tool Kit… 1 No

Experiment Possibilities

• To control load power factor as per settings

 

Sci-tech Under Over Frequency Relay Trainer Model ELTR 004-05 helps you to get fully acquainted with the basic concepts and functioning of a Transmission Line Trainer.

Specification

 Trainer consists of control panels mountable in 40X40mm Aluminum profile rack with sturdy tabletop flat panel.

 8 nos of ABS plastic control panels are mounted on the aluminum rack with mimic diagram

 All input & output are terminated in 4mm shrouded connector, its provide 4mm banana cable for experiments.

 3phase DOL starter 4pole MCB, contractor & relay panel

– 4 pole MCB of 415 V/4A .

– DOL 9A Contactor with 230V / 50 Hz / 11VA COIL

 3 phase multifunction meter panel.

– Bidirectional Multifunction

– 3 Phase ¾ wire, 415V, CT Input 5A

– LCD/LED display, Aux supply 230V, 45-65 Hz, 5W

– V, A, Hz, Pf, KVA, KW, KWH

– PC Communication: Modbus RTU RS485 (OPTIONAL)

 Over current & elapsed Time measurement panel

– Consists of AC ammeter of 20A

– Elapsed time counter range 999.001 sec, resolution 1msec

 Relay Panel

– All connection of relays are brought out on this panel

– 2 NO & 2 NC contacts

– Current rating 5A

– Relay Coil Connector

 Tabletop Protection Relay

– Directional, IDMT, Definite Time Over current static Relay

 Tabletop Single Phase AC Generator (Optional).

– DC Shunt Motor Coupled 300VA, 1 phase AC Alternator

– AC Output 0-220V, 40-65 Hz Output

– SCR Drive Control panel for DC motor

Accessories:

 Set of Shrouded Cables

 Set of Manuals with Experiments.

 Demo CD showing Experiments.

Optional Accessories:

 Handheld Tachometer….1 No

 Working Table….1 No

 Multimeter … 1 No

 Tool Kit… 1 No

Experiment Possibilities 

 To Plot characteristics of Under Frequency relay.

 To Plot characteristics of Over Frequency relay.