OVERVIEW: The Electrical Energy Conversion Laboratory is an advanced, SCADA-supervised training system for teaching electrical energy conversion principles in engineering laboratories. It integrates AC & DC power supplies, a variety of motors and generators, programmable loads, and digital instrumentation with a real-time Data Acquisition System (DAS) and Advanced SCADA Software Suite (ASCDA). Developed in compliance with European Union Directives (CE, EMC, LVD, RoHS), the module allows students, instructors, and researchers to perform hands-on experiments with full data logging, monitoring, fault simulation, and analysis, mimicking industrial-grade.
KEY FEATURES:
• Real-time data acquisition of voltage, current, power, frequency, reactive power, power factor and rotational speed.
• Multiple AC and DC machines: 3-phase induction motors, synchronous motors/generators, DC motors/generators, universal motors, shaded pole, capacitor start/run motors.
• Switchable resistive, inductive, and capacitive loads, including dynamic (motor) loads.
• Advanced synchronization module with synchroscope for generator-to-grid studies.
• Emergency stop, interlocks, and visual/audio indicators for full lab safety compliance.
SYSTEM SPECIFICATIONS:
Power Unit
Key-lock controlled main switch, MCCB, RCCB, and emergency protection system
Fully integrated with SCADA-controlled power monitoring and trip indication
AC & DC Power Supply Unit
Input: 415V AC, 3-phase, 4-wire
Variable AC Output: 0–240/415V AC, 5A ±5%
Fixed AC Output: 415V AC, 10A ±5%
Variable DC Output: 0–240V DC, 5A ±5%
Fixed DC Output: 240V DC, 5A ±5%
Overcurrent, overvoltage, and short-circuit protection integrated with SCADA alarms
SCADA-enabled series/parallel power control with individual layer protection monitoring
Digital Meters & Data Acquisition
All electrical parameters are digitally monitored and logged through SCADA DAS:
DC Voltmeter/Ammeter: 0–600V / 0–50A.
AC Voltmeter/Ammeter: 0–600V / 0–50A.
Digital Wattmeter: 0–3000 W per phase.
Digital Tachometer: 0–6000 rpm.
Multi-function parameters via SCADA:
Line-to-Neutral Voltage (VL-N).
Line-to-Line Voltage (VL-L)
Phase Current (A) and Total Current (?A)
Active Power (W) per phase and Total (?W)
Reactive Power (var) per phase and Total (?var)
Apparent Power (VA) per phase and Total (?VA)
Power Factor (COS?)
Frequency (Hz)
Real-time energy consumption (Wh).
Motors & Generators:
The module includes a wide range of AC and DC machines, all fully integrated with the SCADA system for real-time monitoring and control.
3-Phase Squirrel Cage Induction Motor: Rated 1 HP, 1400 rpm, 415V, 1.5A. SCADA
monitors voltage, current, power, efficiency, and speed during starting and loaded.
Synchronous Motor/Generator: Rated 1 HP, 1400 rpm, 415V, 1.5A; Generator rating 622 VA, 1400 rpm, 0.17A. The motor supports synchronization studies with SCADA-based voltage, frequency, and phase angle monitoring.
DC Motor/Generator: Motor rated 175W, 1500 rpm, 240V, 1.1A; Generator rated 120W, 1500 rpm, 240V, 0.5A. SCADA tracks load performance, efficiency, and energy output.
3-Phase Wound Rotor Motor: Rated 175W, 1500 rpm, 415V, 0.48A. Rotor resistance start
and performance parameters are logged via SCADA.
Shaded Pole Motor: Rated 220–240V AC, 5A, 50Hz, 1400 rpm. SCADA captures voltage,
current, and power characteristics.
Capacitor Start Motor: Rated 175W, 1400 rpm, 220V, 50Hz. Starting performance, current
peaks, and power factor monitored in real-time.
Capacitor Run Motor: Rated 175W, 1415 rpm, 220V, 1.3A. SCADA monitors running
performance and efficiency.
AC/DC Universal Motor: Rated 175W, 8000 rpm, 240V, 1.5A. Speed, current, and power monitored with SCADA control.
Dynamometer:
A dedicated dynamometer is integrated with the system to measure torque, speed, and
mechanical power output of motors. Dynamometer readings are directly interfaced with SCADA, allowing real-time performance analysis, efficiency calculation, and load testing.
Transformer Module:
Type: Three-Phase Transformer, Dry Type Rating: 1 kVA.
Primary: 415 V AC, 50 Hz.
Secondary: 220 V / 110 V / 48 V (Tapped) Cooling: Air-cooled.
Resistive, Inductive & Capacitive Loads:
Resistive Load: 252 W / 240V / 50Hz.
Inductive Load: 252 VAR / 240V / 50Hz.
Capacitive Load: 252 VAR / 240V / 50Hz.
All loads monitored and controlled via SCADA software, with real-time power, current, and PF visualization.
Switching & Control Devices:
Direct Online (DOL) Starter Unit, Circuit Breaker Unit, Push & Selector Switch Units.
AC 220V Indicator Lamps connected to SCADA for visual status monitoring.
SCADA logs all switching operations with time-stamped event records.
Connectors & Accessories:
Male/Female Main Power Connectors.
Connecting Probes with SCADA test point integration.
Neon Tester.
Fuses: 5A, 10A, 15A.
Comprehensive English experimental manual with SCADA step-by-step instructions.
PC & SCADA Configuration
Dedicated SCADA Workstation for DAS & Control:
Processor: Intel Core i5 11th gen or later.
RAM: 16 GB DDR4-3200 (expandable to 64 GB).
Storage: 512 NVMe SSD.
Software: (OS, SCADA software, database, logs).
Monitor: 22? Full HD IPS.
UPS: 1 kVA, 20–30 min backup for safe SCADA shutdown.
SCADA Integration (ASCDA Software Suite):
Single-Line Diagram (SLD) interface with live motor, generator, and load status.
Fault Simulation: Line, load, motor, generator faults; duration programmable via SCADA.
Trending & Analysis: Real-time graphs of active/reactive/apparent power, PF, THD.
User Roles: Instructor mode (full control), Student mode (restricted), Admin mode.
Exportable Data: CSV, Excel, or SQL database for research & lab reports.
Experiments (SCADA-Enhanced):
• AC/DC Power Supply Test & Calibration.
• Three-Phase Motor Starting using DOL Starter.
• 3-Phase Squirrel Cage Induction Motor: Performance Analysis & Logging.
• DC Shunt Motor: Performance & Efficiency Analysis.
• Capacitor Start Motor: Starting Performance Analysis.
• Capacitor Run Motor: Performance Monitoring.
• Synchronous Motor: Synchronization & Stability Studies.
• AC/DC Universal Motor Performance Analysis.
• Shaded Pole Motor: Voltage, Current & Power Analysis.
• 3-Phase Wound Rotor Motor: Rotor Resistance Control & Load Testing.
• Synchronous Motor/Generator Power Generation & Synchronization.
• DC Motor/Generator Power Generation Analysis.
• Three-Phase Transformer Voltage Transformation & Ratio Verification
• Three-Phase Transformer Load Test (Resistive, Inductive & Capacitive Loads)
• Three-Phase Transformer Voltage Regulation & Efficiency Test
• Three-Phase Transformer as Auxiliary Supply for Motor & Control Circuits
• Load Testing & Efficiency Analysis of Motors.
• Fault Simulation and Event Recording.
• Power Factor, THD, and Harmonics Analysis.
Standard Features:
Modular, compact, and mobile console design.
Emergency stop, interlocks, and audible alarms.
Full European compliance: CE, EMC, LVD, RoHS.
Comprehensive SCADA-based experimental manual.
Integrated digital meters, DAS, and SCADA logging for modern laboratory training.
Manuals: This unit should supply with the following manuals: Required services, Assembly and Installation, Starting-up, Safety, Maintenance & Practices manuals.
