Built to Automate

Built to Automate
Built to Automate
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  • More
    • Home
    • About us
    • System Solutions
      • Power SCADA
      • Substation Automation SAS
      • Protection Systems
      • Digital Control Systems
      • Data Telemetry Systems
      • Industry Power Systems
    • Products
      • Protection Relays
      • Annunciators
      • Diode Modules
      • Interface Boards
      • Transducers
    • Services
    • Contact us
    • Downloads
    • Project Updates
  • Home
  • About us
  • System Solutions
    • Power SCADA
    • Substation Automation SAS
    • Protection Systems
    • Digital Control Systems
    • Data Telemetry Systems
    • Industry Power Systems
  • Products
    • Protection Relays
    • Annunciators
    • Diode Modules
    • Interface Boards
    • Transducers
  • Services
  • Contact us
  • Downloads
  • Project Updates

Digital Control Systems

Static Excitation Control System

  Nelumbo has developed Digital Static Excitation Control System (SECS). The features are as below:

  • Redundant Hot Standby Controllers for Dual Channel
  • Stand alone controller for non-Redundant / Single Channel
  • Redundant Thyristor Modules
  • 10”/15” HMI, Capacitive Touch
  • Temperature Monitoring
  • Generator Winding & Bearings temperature monitoring
  • Rotor EF Protection Relay 
  • Field Flashing & Discharge Circuits
  • 3rd party/Remote com port, Modbus TCP/IP

Auto Sequencing Control System

Nelumbo has developed & delivered multiple Auto Sequencing Systems (ASS). These are intelligent control systems designed to automate and optimize the sequence of operations in various industrial processes and power plants. By automating repetitive 

tasks and ensuring that operations occur in the correct order, ASS can significantly improve efficiency, productivity, and quality. 

 They offer features like sequence programming, real-time monitoring, automatic adjustments, data logging

, and  integration with other systems. ASS are used in power plants, manufacturing, process industries, utilities, and water treatment plants for better outputs

Digital Governing Control System

Nelumbo has developed microprocessor based Digital Governing Controller for Hydro Turbines. Controller has clocked 5 years+ of successful performance. 


Digital governing controllers are crucial for regulating turbine performance. They use advanced algorithms to monitor and adjust turbine speed, load, and other parameters. By precisely controlling these factors, digital governors ensure efficient operation and enhance overall system stability.

Brushless Excitation Control System

Nelumbo provides wide range of Brushless Excitation Control Systems using latest microprocessor based AVR modules of different makes i.e. ABB, Basler, Nidec & Deif.


Both redundant & non-redundant configurations shall be supplied as per system/project requirements.

Unit Control Boards / PLC based Control Panels

Nelumbo manufacture PLC based Unit Control Boards (UCBs) for Turbines, Engine Control System, MIV Control Panels, Dam Gate Control Panels, Common Control Panels etc for Manual as well as Auto operation of TG/DG sets


Nelumbo has delivered UCBs for 100+ machines in last one decade with stand alone as well as Redundant processor based control systems in India and abroad.

Synchronizing Control System

Synchronizing is one of the key control system for connecting two Synchronous Generators or a Synchronous Generator with Grid.  Nelumbo provide both Manual, Semi Auto & Automatic Sychronizing Control Systems for all type of power plants using Deif make controllers.


Nelumbo has delivered synchronization systems upto 500MW rated Synchronous Generators.

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