Educational Experiments

This trainer enables practical study of:

• Transmission line characteristics
• Voltage regulation
• Power losses
• Power factor correction
• Transformer connections
• Fault analysis
• Earth fault compensation
• Reactive power compensation
• SCADA monitoring
• Load behavior analysis
• Circuit breaker operation
• Three-phase system analysis

Training Modules Included

• Power Transmission Line Model (DL 7901TT)
  • Three-phase overhead transmission line model
  • Simulates 360 km transmission line
  • Voltage: 380 kV
  • Current: 1000 A
  • Scale factor: 1:1000
  • Line parameters:
    • Resistance RL = 13 Ω
    • Inductance LL = 290 mH
    • Mutual Capacitance CL = 0.5 µF
    • Earth Capacitance CE = 1 µF
    • Earth Resistance RE = 11 Ω
    • Earth Inductance LE = 250 mH
• Three Phase Power Supply Unit (DL 2108TAL-SW)
  • 4-pole cam mains switch
  • 25 A earth leakage circuit breaker
  • 30 mA sensitivity
  • Triple-pole motor protection switch: 6.3–10 A
  • Three-phase indicator lamps
  • Output terminals: L1, L2, L3, N, PE
• Three-Phase Transformer (DL 1080TT)
  • Primary: 3 × 380 V with 220 V tap
  • Star/Delta connection
  • Secondary: 3 × 220 V
  • Tap settings: +5%, -5%, -10%, -15%
  • Tertiary winding: 3 × 220 V Delta
  • Rated Power: 1000 VA
• Power Circuit Breaker (DL 2108T02)
  • Three-phase circuit breaker
  • Normally closed auxiliary contact
  • Contact capacity: 400 Vac, 3 A

Load Modules

• Resistive Load (DL 1017R)
  • Three resistances
  • Star/Delta/Parallel connection
  • Seven-step switches
  • Max Power: 1200 W
  • Rated Voltage: 380/220 V
• Inductive Load (DL 1017L)
  • Three inductances
  • Star/Delta/Parallel connection
  • Seven-step control
  • Max Reactive Power: 900 VAr
• Capacitive Load (DL 1017C)
  • Capacitor bank
  • Star/Delta/Parallel connection
  • Seven-step switching
  • Max Reactive Power: 825 VAr

Compensation & Fault Modules

• Line Capacitor (DL 2108T03)
  • Three-phase capacitor bank
  • Capacitance: 3 × 2.5 µF
  • Voltage: 450 Vac
• Petersen Coil (DL 2108T04)
  • Earth fault compensation
  • 20 taps
  • Inductance: 0.005–2 H
  • Rated Voltage: 220 V
  • Rated Current: 0.5 A

Communication & Control

• Modbus Communication HUB and Load Controller (DL HUBRS485F)
  • RS485 communication
  • 4-wire & 2-wire bus
  • 2 analog outputs (0–10V)
  • 12 relay outputs
  • Modbus RTU compatible
  • Power: 100–240 Vac, 50/60 Hz
• SCADA Software (DL SCADA-WEB)
  • Monitoring and control software
  • Data acquisition
  • Network-based remote visualization
  • Multi-device compatibility

Accessories Included

• Connecting Leads (TL GTU102.T)
  • Cable set for module connections
• Three Level Frame (DL A120-3M-LED)
  • Metal frame for module assembly