Power Transmission Line And Distribution Trainer

Using the Power Transmission Line trainer set it will be possible to assemble an absolute power transmission system. From a transformer with tapping switch to the power circuit breaker and 415KV power transmission line model including line termination with surge impedance.
Various experiments are able to be carried out on this power transmission system, no load operation with natural load, symmetrical and unsymmetrical short circuit, parallel and series compensation of the transmission line as well as neutral-point connection.

GENERAL SPECIFICATIONS

• The equipment covers the learning objective via experiment such as:
• Symmetrical load and unsymmetrical load connection
• Voltage and frequency control by inverter unit
• Characteristic of transformer feeder
• RL circuits in transmission line
• RC circuits in transmission line
• RLC circuit in transmission line
• Earth fault compensation and its characteristics
• Excitation voltage controller with motor generator
• Characteristic of generator voltage
• Measuring power in each line

THREE PHASE POWER SUPPLY MODULE

• Power Input Requirement: Three Phase 240V/415V, 50Hz
• Connection: 3P+N+PE Output terminations using 4mm terminal socket
• Input fed with AC 5 pin plug 32A AC Plug and Socket
• Pilot lamps provided to indicate all live supplies
• With On/Off Switch
• Fuse Protection
• Fixed Single Phase AC Power Supply: 3 x 240V AC; 8A AC (Phase To Neutral: R-N, B-N, Y-N)
• Fixed Three Phase AC Power Supply: 3 x 450V AC; 8A AC (Phase To Phase: R-Y, Y-B, B-R)
• Adjustable Single Phase & Three Phase AC/DC Power Supply (Simultaneously):
• 3 x 0 ~ 450VAC; 8A AC (Phase To Phase)
• 3 x 0 ~ 240VAC; 8A AC (Phase To Neutral)
• 1 x 0 ~ 450VDC; 8A DC (DC Output)
• Three Phase 5 Pin AC Plug 32A with 1.5m length 5 core power cable
• Terminals: 4mm Safety Socket
• Unit Type: Bench Top B3

THREE PHASE TRANSFORMER TL 415KV

• Transformer for feeding the transmission line model 415V
• Scale factor 1:1000 for secondary current and voltage
• Nominal power: 800VA
• Primary: 3 x 415V winding with tapping at 240V, can be switched to star or delta
• Delta stabilizing winding can be connected
• Secondary: 3 x 415V winding with tapping at +5%, -5%, -10%, -15% in star connection
• Various star point connections possible
• Terminals: 4mm Safety Socket
• Unit Type: Panel H3

TRANSMISSION LINE MODEL 415KV

• Three phase model of a 415kV overhead transmission line
• Length: 360km, 216km, 144km
• Resistance: 13°, 8°, 5°
• Inductance: 290mH, 174mH, 116mH
• Capacitance: 5°F, 3°F, 2°F
• Scale factor 1/1000 for current and voltage
• Terminals: 4mm Safety Socket
• Unit Type: Panel H3

TRANSMISSION LINE CAPACITOR TL 415KV

• 3 phase in star connection
• Capacitance: 2.5°F x 3
• Terminals: 4mm Safety Socket
• Unit Type: Panel H1

POWER CIRCUITS BREAKER

• Three phase ON-OFF switch with auxiliary contact (N.C.)
• Manual and external control possible
• Contact load capacity: 415V AC, 12A
• Main connection: 240VAC, 50Hz
• Terminals: 4mm Safety Socket
• Unit Type: Panel H1

EARTH FAULT COMPENSATION

• Inductance for earth fault compensation (Petersen coil)
• Inductance: 0.005 ~ 2H
• Rated voltage: 240V
• Rated current: 0.5A
• Terminals: 4mm Safety Socket
• Unit Type: Panel H1

INVERTER MODULE

• Three phase asynchronous motor speed control by PWM
• Input Voltage: 415V
• Output voltage: 0~415V
• Output frequency: 1~500Hz
• Power: 2.2kW
• Terminals: 4mm Safety Socket
• Unit Type: Panel H2

EXCITATION VOLTAGE CONTROLLER

• DC power supply for excitation voltage
• Power Input: 240VAC, 50Hz
• Fixed AC Output: 240VAC
• Adjustable Outputs:
• 0250VAC, 015A
• 0250VDC, 015A
• Includes voltmeter and ammeter
• Protection: Fuse
• Terminals: 4mm Safety Socket
• Unit Type: Bench Top B2

RESISTIVE LOAD MODULE

• 3 phase resistive load
• Power: 1000W
• Voltage: 415/240V
• Star/Delta/Parallel configurations
• Protection: Fuse
• Terminals: 4mm Safety Socket
• Unit Type: Bench Top B1

INDUCTIVE LOAD MODULE

• 3 phase inductive load
• Power: 1000VAR
• Voltage: 415/240V
• Star/Delta configurations
• Protection: Fuse
• Terminals: 4mm Safety Socket
• Unit Type: Bench Top B1

CAPACITIVE LOAD MODULE

• 3 phase capacitive load
• Power: 1000VAR
• Voltage: 415/240V
• Star/Delta configurations
• Protection: Fuse
• Terminals: 4mm Safety Socket
• Unit Type: Bench Top B1

DIGITAL AC VOLTMETER

• Range: 0 ~ 600V
• Display: 3° digit LED
• Accuracy: °0.2%
• Resolution: 1V
• Input impedance: 1M°
• Power: 240VAC
• Protection: Fuse
• Terminals: 4mm Safety Socket
• Unit Type: Panel H1

DIGITAL AC AMMETER

• Range: 0 ~ 5A
• Display: 3° digit LED
• Accuracy: °0.3%
• Resolution: 0.01A
• Input impedance: <0.1°
• Power: 240VAC
• Terminals: 4mm Safety Socket
• Unit Type: Panel H1

THREE PHASE POWER QUALITY METER

• Display: HD LCD
• Measures voltage, current, power, THD, harmonics
• Communication: Ethernet, RS485, MODBUS
• Logging: 1–60 min
• Accuracy: °0.5%
• Power Supply: 240VAC
• Terminals: 4mm Safety Socket
• Unit Type: Panel H2

POWER MANAGEMENT SOFTWARE

• PC software with web interface
• True RMS measurement
• Harmonic analysis
• Data logging
• TOU tariffs
• Communication: Ethernet, RS485, MODBUS

THREE PHASE INDUCTION MOTOR

• Power: 370W
• Voltage: 240/415V
• Current: 1.5A
• Speed: 3000rpm
• Cooling: Self cooled
• Terminals: 4mm Safety Socket

THREE PHASE SYNCHRONOUS MACHINE

• Motor & Generator operation
• Power: 370W
• Voltage: 240/415V
• Excitation: 200VDC
• Speed: 3000rpm
• Cooling: Self cooled
• Terminals: 4mm Safety Socket

CONNECTING SAFETY TEST LEAD SET

• Multiple colored leads
• 15A safety plugs
• Lengths:
• 25cm x 15 units
• 50cm x 20 units
• 100cm x 15 units
• Bridging plugs: 10 + 10 units

EXPERIMENT PANEL FRAME

• DIN A4 with two shelves
• T-shape frame
• Dimensions:
• Length: 1450mm
• Width: 20mm
• Height: 300mm

EXPERIMENT WORKBENCH TABLE

• Length: 1500mm
• Width: 800mm
• Height: 850mm
• Optional drawer