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 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
- 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
- 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.
