20 KV VOLTAGE DISTRIBUTION AND GRID CONTROL SYSTEM TRAINER

Overview:

A comprehensive training system for understanding real-world medium-voltage power distribution, metering, switching, protection, and customer-side load management. Designed to simulate 20 kV grid operations, transformer-based step-down systems, and distribution to residential/commercial units with full electrical safety compliance

Key Educational Objectives:

• Study of 20 kV to LV distribution methodology.
• Understanding Current Transformer (CT) metering and wiring.
• Load balancing, measurement, and energy accounting via KWh meters.
• Polarity testing and wiring safety compliance.
• Analysis of switching, fault isolation, and protective relay integration.
• Hands-on experiments with live load modules like motors, heaters, and lighting circuits.

System Includes the Following Modules:

1. Current Transformer Metering Connection Board

General Specifications:

• 1× Digital KWH Meter (3-Phase)
• 1× Metering Test Block
• 1× Bridging Link
• 3× Current Transformers (CTs)
• 3× Protection Fuses
• 1× Main Circuit Breaker (Switch Type)
• 1× Lockable Isolation Compartment
  • Made from heavy-duty steel
  • Epoxy powder-coated finish
  • Engraved and silk screen legends for component identification

2. Multi-Customer Metering Arrangement Board

General Specifications:

• 3× Non-Fused Breakers (NFBs)
• 1× Fuse Switch Disconnector
• 15× Main Circuit Breakers:
  • MCB 1P, 32A – for high-load customers
  • MCB 1P, 20A – for standard connections
• 1× Current Limiter
• Sealable Active Links:
  • 1× 7-Hole
  • 1× 5-Hole
• 12× Protection Fuses
• Energy Meters:
  • 3× Single-Phase Digital KWH Meters
  • 9× Single-Phase Analog/Digital KWH Meters
• Heavy-gauge steel compartment with printed legend, for metering and fuse management

3. Application & Load Module Pack

Includes industrial-grade plug-and-play load simulation units:

• Lighting Module
• Outlet Socket Module
• Single-Phase AC Motor Module
• Heater Module

Each module enables connection with the main board for real-time current flow, voltage drop, and power monitoring exercises.

4. Distribution Board Trainer with Polarity Test Panel

General Specifications:

• 2× Emergency Isolators (for safety disconnection)
• 3× Indicator Lamps
• 3× Protection Fuses
• 1× Three-Phase Contactor
• 1× Mechanical Interlock System
• 1× Smart Meter (3-Phase energy and load data monitoring)
• Protection Devices:
  • RCD (Residual Current Device)
  • MCBs (1P and 3P configurations)
• Wiring Infrastructure:
  • Main Box + MCB Box
  • Earth Electrode for practical earthing study
  • GPO (General Power Outlet) with single power point
• Load Fixtures:
  • Lamps + Lamp Holders
  • Switch (1-Way)
  • Cover Boxes, Selector Switches
  • Insulated Busbars
• Protection & Automation:
  • Relay with Socket Base for logic protection/controls

All components are housed in heavy-gauge, epoxy powder-coated steel enclosures with front-access legends and safety features for student operation.

Power & Safety Specifications:

• System designed for 20 kV incoming simulation (with scaled-down safe voltage interface for labs)
• All high-voltage circuits are internally simulated via controlled power electronics
• All modules include short-circuit and overload protection
• Compliant with IEC/IS safety standards
• Fully enclosed compartments with padlock provision

Software & Control Integration:

• Optional SCADA or Remote-Control Interface available
• Data logging for current, voltage, power factor, and energy
• Real-time graphical monitoring on PC (optional)
• Report generation support for classroom evaluations

Additional Accessories:

• Frequency Meter
• Power Factor Meter
• Distribution Transformer (for step-down simulation)
• Control Desk Table + Operator Station

Documentation and Certification:

Supplied with:

• Trainer and Student Manuals (Hard + Soft Copy)
• Circuit Diagrams and Wiring Layouts
• Component Technical Sheets
• Worked Experiments and Exercises
• OEM Certificate of Conformity
• Global Trainee Certification (where applicable)