Power Factor Correction Trainer – Basic RLC System

The unit is specially developed for use in electrical teaching laboratory for the purpose of demonstrating the basic concept and the operating principle of power factor correction system.

Input :

• 240/415VAC, 20A, 3 phase, 50Hz

Output :

• 240/415VAC, 20A, 3 phase, 50Hz to be connected to resistive, inductive and capacitive loading units

POWER ELECTRONICS TRAINER – COMPLETE DATA

GROUP OF DIODE MODULE

• Device : Fast Acting Silicon Diode
• Quantity : 6
• Voltage : 500V
• Current : 15A
• Protection : 5A Fuse With Fuse Holder
• Terminal Socket : 4mm Safety Type
• Unit Type : Panel H2

GROUP OF SCR MODULE (2 UNITS)

• Device : Silicon Control Rectifier
• Quantity : 6
• Voltage : 600V
• Current : 15A
• Protection : 5A Fuse With Fuse Holder
• Terminal Socket : 4mm Safety Type
• Unit Type : Panel H2

TRIAC MODULE

• Device : TRAIC
• Quantity : 1
• Voltage : 600V
• Current : 15A
• Protection : 5A Fuse With Fuse Holder
• Terminal Socket : 4mm Safety Type
• Unit Type : Panel H1

EXPERIMENT 1: POWER DIODE
Objectives:

• 1. Describe the principle of power diode
• 2. Determine characteristics
• 3. Determine voltage-current curve
• 4. Determine form factor

Experiments:

• 1. Experiment 1.1: Voltage and current characteristic
• 2. Experiment 1.2: Curve determination
• 3. Experiment 1.3: Form factor

EXPERIMENT 10: HALF-WAVE CONTROLLED RECTIFIER

Objectives:

• 1. Relation between delay angle and voltage
• 2. Analyze resistive load curve
• 3. Analyze RL load curve

Experiments:

• 1. Experiment 10.1: Delay angle relation
• 2. Experiment 10.2: Resistive curve
• 3. Experiment 10.3: RL curve

EXPERIMENT 20: STAR-CONNECTED THREE PHASE
Objectives:

• 1. Determine phase control (resistive load)
• 2. Determine phase control (induction motor)

EXPERIMENT 29: PWM INVERTER USING MOSFET
Objectives:

• 1. Study inverter principle
• 2. DC to AC conversion
• 3. Measure voltage/current

THREE PHASE POWER SUPPLY

• Power Input: 3 Phase 240/415V, 50Hz
• Indicators: Red, Yellow, Blue lamps
• Protection: MCB + ELCB

Output:

• 3 x 415V AC
• 3 x 240V AC

COMBINED OVERCURRENT & EARTH FAULT RELAY

• Supply: 240VAC
• Functions:
• Overcurrent protection
• Earth fault protection
• Thermal protection
• IEC 60255 compliant

EARTH FAULT RELAY

• Supply: 240VAC
• Functions:
• Earth fault detection
• IDMT timing
• RMS measurement

POWER CIRCUIT BREAKER

• Type: MCCB
• Capacity: 415V, 32A
• With shunt trip

RESISTIVE LOAD UNIT

• Power: 3 x 100W
• Configuration: Star / Delta
• Control: 7 step

INDUCTIVE LOAD UNIT

• Power: 3 x 100VAR
• Configuration: Star / Delta

DIGITAL AC AMMETER

• Range: 0–5A
• Accuracy: °0.3%
• Display: LED

POWER QUALITY METER

• Display: LCD
• Measures:
• Voltage, Current, Power, THD
• Communication: RS485, Ethernet

POWER MANAGEMENT SOFTWARE

Features:

• Data logging
• Harmonic analysis
• TOU tariffs
• Communication supported

4MM SAFETY STACKABLE TEST LEAD SET

• 25 leads
• Colors: Red, Yellow, Blue, Black, Green
• Ratings: 15A
• Lengths:
• 250mm x 7
• 500mm x 6
• 1000mm x 6
• 1500mm x 6

• All required components are systematically and didactically arranged on a sloping study panel with all internal components and circuit schematically represented by screen-printed mimic diagrams
• Actual industrial system but specially adapted for teaching and demonstration purposes
• Compact and self-contained unit available in a bench-top and mobile version
• Circuit construction is achieved by patching together the desired components
• All internal components and circuits are terminated as 4mm safety-type terminal sockets
• Internal circuits are fully protected against overload and short-circuit faults