Paralleling Gen-set Controllers

Mains parallel operation, or multiple sets in island parallel? We have reliable and easy-to-use control solutions for any type of paralleling application – starting from simple paralleling systems with predefined scenarios which are ready to go, right up to demanding paralleling solutions with sophisticated control scenarios, controller and/or communication redundancy and extensive monitoring possibilities.

more about paralleling gen-set controllers

InteliGen

InteliSys

InteliCompact

InteliGen

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InteliGen 1000

InteliGen 1000 is the most advanced ComAp gen-set controller for multiple gen-sets with paralleling operations, with or without connection to the mains or other source. Intended primarily for switchgear applications, this high-end controller will help you control and monitor demanding projects with critical infrastructures such as datacentres, hospitals and banks.

InteliGen 1000 SC

The InteliGen 1000 SC is a state-of-the-art paralleling controller for synchronising as well as load/var control. This controller is intended for applications where system control is driven either from panel switches or from an upper- level device such as a system PLC. In addition, this controller can communicate with an engine ECU to read engine specific values and providing generator protections if required. The Inteligen 1000 SC is simple to configure and operate which will reduce engineering and commissioning times.

InteliGen 500 G2

InteliGen 500 G2 is a paralleling controller with 5" colour display for advanced and more complex diesel gen-set applications, supporting both single and multiple gen-sets running in grid-tied or island operations.

InteliGen4 200

InteliGen4 200 is a diesel gen-set control unit for common paralleling applications supporting both single and multiple gen-sets running in grid-tied or island operations.

InteliGen NT

InteliGen NT GC is a controller for single or multiple diesel gen-sets operating in stand-by or parallel mode. This controller will help you control, monitor and ensure the back-up power for medium sized sites, as well as rental applications. The InteliGen NT GC is an earlier generation controller of our InteliGen 500 G2.

InteliGen NTC

InteliGen NTC GC is a controller with a broad range of communication capabilities for single or multiple diesel gen-sets operating in stand-by or parallel mode. This product will help you ensure the back-up power for medium sized sites, as well as rental applications. The InteliGen NTC GC is an earlier generation of our InteliGen 500 G2 controller.

InteliGen NT BaseBox

InteliGen NT BaseBox is a controller for single or multiple diesel gen-sets operating in stand-by or parallel mode. Intended primarily for switchgear applications, this controller will ensure secure remote monitoring of your critical infrastructure installations such as datacentres, hospitals or banks. The InteliGen NT BaseBox is an earlier generation controller of our advanced InteliGen 1000.

InteliGen NTC BaseBox

InteliGen NTC BaseBox is a controller with a broad range of communication capabilities for single or multiple diesel gen-sets operating in stand-by or parallel mode. Intended primarily for switchgear applications, this controller will ensure secure on-site and remote monitoring of your critical infrastructure installations such as datacentres, hospitals or banks. The InteliGen NTC BaseBox is one of the earlier versions of our advanced controller InteliGen 1000.

InteliSys

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InteliSys 2000

InteliSys 2000 sets an industry standard for advanced power generation control units. Tailored for various power generation applications, including gas gensets and cogeneration heat-power setups, it ensures cutting-edge performance with unrivalled PLC resources, modular expandability, and control algorithm flexibility. The InteliSys 2000 is developed in line with the latest market trends, grid code standards, and security protocols and comes with extensive communication capabilities.

InteliSys NTC BaseBox

InteliSys NTC BaseBox is a controller with a broad range of communication and PLC capabilities for single or multiple gen-sets operating in stand-by or parallel mode. Intended primarily for CHP and switchgear applications, it will help you with secure on-site and remote monitoring of various installations such micro CHP, datacentres, hospitals or banks.

InteliSys Gas

InteliSys Gas is designed to control, monitor and protect the operation of any type of gas engine and/or CHP (combined heat and power) unit. The control unit has broad communication capabilities, numerous specialised predefined functions for gas/CHP/generators; and it offers complete preprogramed control of the generating set, helping you save time with the configuration, commissioning and management of your project.

Marine Controllers

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InteliGen 1000 Marine

The InteliGen 1000 Marine is an advanced marine controller for managing and optimising onboard AC and DC power management systems. Setting a new standard in the marine industry, the InteliGen 1000 Marine can control and monitor different power sources in real time and manage their cooperation based on different requirements. The controller has pre-programmed applications and compatibility with Modbus devices, which ensures quick integration and easy commissioning of marine projects.

InteliMains 1010 Marine

The InteliMains 1010 Marine is a marine breaker controller for managing and optimising onboard AC and DC power management systems. Setting a new standard in the marine industry, the InteliMains 1010 Marine can control and monitor different application breakers in real time and manage their cooperation with energy sources controllers based on different requirements. The controller has pre-programmed applications and compatibility with Modbus devices, which ensures quick integration and easy commissioning of marine projects.

InteliGen NT

InteliGen NT GC is a controller for single or multiple diesel gen-sets operating in stand-by or parallel mode. This controller will help you control, monitor and ensure the back-up power for medium sized sites, as well as rental applications. The InteliGen NT GC is an earlier generation controller of our InteliGen 500 G2.

InteliGen NTC

InteliGen NTC GC is a controller with a broad range of communication capabilities for single or multiple diesel gen-sets operating in stand-by or parallel mode. This product will help you ensure the back-up power for medium sized sites, as well as rental applications. The InteliGen NTC GC is an earlier generation of our InteliGen 500 G2 controller.

InteliGen NT BaseBox

InteliGen NT BaseBox is a controller for single or multiple diesel gen-sets operating in stand-by or parallel mode. Intended primarily for switchgear applications, this controller will ensure secure remote monitoring of your critical infrastructure installations such as datacentres, hospitals or banks. The InteliGen NT BaseBox is an earlier generation controller of our advanced InteliGen 1000.

InteliGen NTC BaseBox

InteliGen NTC BaseBox is a controller with a broad range of communication capabilities for single or multiple diesel gen-sets operating in stand-by or parallel mode. Intended primarily for switchgear applications, this controller will ensure secure on-site and remote monitoring of your critical infrastructure installations such as datacentres, hospitals or banks. The InteliGen NTC BaseBox is one of the earlier versions of our advanced controller InteliGen 1000.

InteliSys NTC BaseBox

InteliSys NTC BaseBox is a controller with a broad range of communication and PLC capabilities for single or multiple gen-sets operating in stand-by or parallel mode. Intended primarily for CHP and switchgear applications, it will help you with secure on-site and remote monitoring of various installations such micro CHP, datacentres, hospitals or banks.

What Is a Paralleling Gen-set Controller?

A paralleling gen-set controller synchronises multiple generators so they operate as one reliable power source. By managing voltage, frequency and phase, the controller enables safe connection to other gen-sets or the utility grid. Once connected, it ensures balanced load sharing, smooth transitions and continuous power — even in demanding or mission-critical applications.

Why Paralleling Matters

Scalability – Add or remove gen-sets to match real-time demand
Redundancy – Maintain power supply even if one unit fails
Fuel efficiency – Run only the necessary machines
Operational optimisation – Improve system stability and lifespan

Key Features of ComAp Paralleling Controllers

ComAp’s paralleling controllers combine advanced control logic with intuitive operation to ensure dependable power generation. Key capabilities include:

Automatic synchronisation
with grid or gen-sets

kW and kVAr load sharing
for stable, balanced operation

Seamless island-to-parallel transitions

Demand-based start/stop logic
to improve fuel efficiency

Support for complex topologies,
including multi-master systems

Comprehensive protection
for generators, breakers and electrical infrastructure

Remote control and monitoring with WebSupervisor
ComAp's cloud-based online management service

Benefits of Paralleling Gen-set Controllers

Paralleling gen-set controllers bring flexibility, reliability and efficiency to power generation systems of any size. By simplifying complex power management tasks, they help operators maintain stable, efficient and safe power in demanding environments. The main benefits include:

Reliable Power Supply

Paralleling ensures continuity. If one gen-set goes offline, the others immediately take over and maintain stable power for mission-critical operations.

Balanced Load Sharing

Controllers distribute load evenly across all running units, improving performance, protecting equipment and extending engine life.

Flexible System Expansion

Additional gen-sets can be added with minimal effort, allowing the power system to grow in line with operational needs.

Lower Fuel Use and Operating Costs

Intelligent sequencing ensures only the required number of gen-sets run at any time. This reduces fuel consumption and lowers overall operating costs.

Seamless Integration with Hybrid and Renewable Sources

Modern paralleling controllers integrate easily with solar, battery energy storage and other distributed energy resources, supporting cleaner and more efficient power solutions.

Centralised Control and Monitoring

Operators gain clear visibility and simplified control of the entire system, improving operational efficiency, safety and decision making.

Frequently Asked Questions about Paralleling Gen-set Controllers

1. What is a paralleling gen-set controller?

A paralleling gen-set controller is a control device that manages and synchronises multiple generators so they can operate together as one power system. It ensures stable power, balanced load sharing and safe operation across all connected units.

2. How does generator synchronisation work?

The controller matches the voltage, frequency and phase of each gen-set before connecting it to a common busbar. Once synchronised, the generators operate in parallel and share load according to the system configuration.

3. Why is paralleling important for power systems?

Paralleling improves reliability, flexibility and efficiency. If one generator stops, the remaining units continue supplying power. It also allows operators to adjust capacity by starting or stopping gen-sets based on demand.

4. What are the main benefits of paralleling gen-set controllers?

Key benefits include improved power reliability, balanced load sharing, lower fuel consumption, easier system expansion, centralised control and seamless integration with hybrid and renewable energy sources.

5. Can paralleling gen-set controllers support renewable or hybrid power systems?

Yes. Modern controllers integrate easily with solar, battery energy storage and other distributed energy resources. This helps create cleaner and more efficient power solutions with stable performance.

6. Do I need identical generators to run in parallel?

No. Generators with different ratings or from different manufacturers can run in parallel as long as the controller is configured correctly and the system is designed to support mixed units.

7. How do paralleling controllers improve fuel efficiency?

The controller automatically starts or stops generators based on real-time load. Only the required number of units run at any given moment, which significantly reduces fuel use and operating costs.

8. Can I monitor and control the system remotely?

Yes. Many paralleling controllers support remote monitoring and remote control through secure communication interfaces. Operators can track performance, adjust settings and respond to alerts from anywhere.

9. Is a paralleling system difficult to install?

Installation depends on the size and complexity of the power system. However, modern controllers are designed to simplify commissioning with built-in synchronisation features, clear configuration tools and flexible communication options.

10. When should I consider upgrading my gen-set controller?

You should consider an upgrade if you need better reliability, improved load sharing, integration with renewable energy, enhanced monitoring or more flexible expansion options. Upgrading often leads to better performance and reduced operating costs.