Schneider Demand Controller

Description

A Schneider Demand Controller is an advanced digital device designed to monitor, record, and control electrical demand in industrial and commercial systems. It helps industries avoid peak demand penalties, optimize energy usage, and integrate with PLC/SCADA/EMS for smarter power management.

Specifications

• Measured Parameters: Voltage, Current, kW, kVA, kVAr, Power Factor, Demand, Energy (kWh)

• Accuracy: Class 0.5S / Class 1 (IEC standards)

• Display: LCD/LED with backlight, multi-line data display

• Inputs: Current Transformers (CTs), Potential Transformers (PTs)

• Outputs: Relay outputs for load control / shedding

• Communication: RS485 Modbus RTU / Ethernet (in advanced models)

• Logging: Demand recording, event logging, trend storage

• Mounting: Panel Mount / DIN Rail

• Power Supply: 24 VDC / 110–230 VAC

• Integration: PLC, SCADA, EMS, BMS

Key Features

✅ Monitors and controls power demand in real-time
✅ Load shedding and alarm functions to prevent penalties
✅ High accuracy with demand prediction algorithms
✅ Modbus/Ethernet connectivity for automation systems
✅ User-configurable set points and time intervals
✅ Event logging and historical data analysis

Applications

   Industrial Plants (to avoid exceeding sanctioned demand)

• Commercial Buildings & Malls (energy optimization)

• Utilities & Substations (load balancing)

• Renewable Energy Plants (solar, wind demand management)

• Process Automation Industries (continuous monitoring & control)

• Smart Energy Management Systems

Advantages

✔ Reduces electricity bills by preventing demand penalties
✔ Improves energy efficiency and load management
✔ Seamless integration with PLC/SCADA/EMS
✔ Provides predictive demand control
✔ Enhances reliability of power usage

Disadvantages

✖ Higher cost compared to basic meters
✖ Requires CT/PT installation and setup
✖ Needs trained personnel for configuration
✖ Advanced logging features may need software support