1. System Overview
A comprehensive training solution designed for hands-on instruction in AC machines and associated power, control, and measurement technologies. The system enables safe, accurate, and curriculum-aligned experimentation aligned with industrial standards.
The setup includes hardware, safety systems, measurement instruments, software, digital learning platform, and experimental literature for both instructor and student levels.
2. Key Features

• Test machine stator windings equipped with temperature sensors for overheat protection.
• Automatic shutdown in case of overheating or unsafe conditions.
• Educational terminal board with printed winding configurations; all winding ends accessible via 4 mm safety sockets.
• Computer-supported measurement acquisition for accurate and meaningful experimental results.
• Full experimental guide delivered in both printed form and integrated into an interactive digital education platform (teacher & student modes).
• Software includes guided tasks, auto-evaluations, and interactive applications.
• No PDF-only software accepted: full interactive platform required.

3. Topics & Experiments Covered

• Connection & operation of AC machines
• Reversing direction of rotation
• Efficiency measurement
• Motor characteristic curves
• Load characteristics
• Motor starting and control techniques
• Transformer behaviour & inrush phenomena
• Analysis of motors as both generators and loads 
• Frequency converter experiments
• Servo drives (AC & DC)
• Star-delta start, soft starters, slip-ring rotor studies
• Remote and standalone operation of the machine test system

4. System Components
4.1 Motors
Universal Motor 0.3 kW 
AC Supply Ratings :

• Power : 0.2 kW
• Voltage : 230 V
• Current : 2.5 A
• Frequency : 50 Hz
• Speed : 3000 rpm

DC Supply Ratings :

• Power : 0.2 kW
• Voltage : 140 V
• Current : 3 A
• Speed : 3000 rpm

Thermal protection required.

Capacitor Motor R 0.3 kW
Single-phase AC motor with starting relay, starting/operating capacitors (Ca = 50–63 µF, Cb = 20 µF).

Ratings :

• Power : 0.37 kW
• Voltage : 230 V
• Current : 2.6 A
• Frequency : 50 Hz
• Power Factor : 0.93
• Design : 4-pole
• Speed : 1400 rpm

Thermal protection required.

Capacitor Motor F 0.3 kW
Single-phase AC motor with centrifugal switch. Capacitors : Ca = 40 µF, Cb = 8 µF.
Ratings :

• Power : 0.25 kW
• Voltage : 230 V
• Current : 2.2 A
• Frequency : 50 Hz
• Power Factor : 0.85
• Design : 4-pole
• Speed : 1420 rpm

Thermal protection required.

4.2 Protection & Switching Devices
Motor Protection Switches

• 1.0–1.6 A
• 1.6–2.4 A

Three-pole design, overload and short-circuit trip, bimetal tripping, single-phasing sensitivity.

Three-Pole ON/OFF Switch

• Load : 20 A / 500 V AC
• Switch positions : 0 – 1

Power Circuit Breaker Module

• 3-phase ON/OFF control
• Auxiliary NC contact
• Manual / external control (TTL or 24 V DC)
• LED indication and TTL output states
• Contact rating : 400 V AC, 3 A
• Mains : 115/230 V, 50 Hz

4.3 Machine Test System with 4-Channel Data Acquisition
A fully integrated machine testing platform enabling efficiency class testing (IE1–IE4), automated load simulations, standalone operation, and PC-based measurement analysis.

Functions

• Full DIN/ISO 60034-2-1 efficiency testing
• Transformer inrush and ratio testing
• Motor/generator characteristics
• Load simulations (flywheel, fan, winding drive, constant torque, custom Mi–ni curves) 
• Star-delta start, soft-start drivers
• Remote & standalone control via colour display

Safety Features

• Dynamometer temperature monitoring
• Voltage & current limit supervision
• Shaft cover & machine base safety loop
• Overspeed & over-torque shutdown
• EMC-compliant design
• Lockable mechanical mounting system
• Transparent shaft cover for visual monitoring

4.4 Measurement Ranges

• Speed : ±2000…±5000 rpm
• Torque : ±10 Nm
• Angular Acceleration : up to 40,000 °/s²
• Mechanical Power : ±1200 W
• Electrical Power : ±1800 W
• Voltage : DC ±700 V / AC 490 V
• Current : up to 24 A
• Power Factor, Frequency, Efficiency, Slip

4.5 Integrated Display & Interfaces

• 3.5" QVGA colour display
• Display up to 24 parameters simultaneously
• Vector diagrams, charts, tables
• WLAN (AP/Client), HTTP & VNC server, USB-C
• 10,000-value internal data logging
• CAT III 300 V rated
• FPGA real-time processing

4.6 PC Software (4-Channel Interface)

• Auto-recognition of connected hardware
• Analog/digital instruments, tables & diagrams
• Manual/automatic recording (trigger, interval, time)
• Functions : fitting, integrals, Fourier transform, formula creation
• XML experiment format
• Logbook documentation
• 150+ experiment examples included
• Free updates

5. Measurement Instruments
Digital Multimeter (TRMS)

• Auto socket-blocking
• Auto/manual range
• TRMS AC & AC+DC
• DC/AC Voltage : 100 mV–1000 V
• DC/AC Current : 1–10 A
• Resistance : 100 Ω–40 MΩ
• Frequency : 100 Hz–30 kHz
• Temperature : –250 °C to +1372 °C
• Overload : 1000 V / 10 A

Power Factor Meter

• cosφ :  0…1…0
• Phase angle : –90° to +90°
• Voltage : 3–1000 V
• Current : 0.1–30 A
• Frequency : 20 Hz–2 kHz
• Class : 2.5

Adjustable Transformer (0–260 V, 4 A)

• Output: 260 V / 4 A continuous, 5 A short-term
• Integrated 5 A safety switch

RMS Meter (AC+DC)

• Voltage ranges: 3–1000 V
• Current: 0.1–30 A
• Moving-coil, Class 2.5

Moving Iron Meters

• Ammeter: 0–2.5 A
• Voltmeter: 0–100 / 0–400 V
• Front frame: 144 × 144 mm

6. Safety & Wiring Accessories

• Safety bridging plugs (black, yellow/green)
• Bridging plugs with taps
• Safety connecting leads (10 cm–100 cm), 32 A rated
• Yellow/green earth leads set

7. Mechanical Components

• Mobile experiment stand
• Additional equipment tray
• Coupling 0.1/0.3
• Shaft end guard
• Transparent coupling guard