Comsys – Perfecting Power

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Stable power for Data Centers

Data centers are the core of today’s most popular commodity: information. With that, protecting this commodity becomes of prime importance.

Managing stable conditions and other common issues

When it comes to managing data center operations, common concerns include:

  • Power supply redundancy
  • Cost
  • Equipment provider requirements
  • Back-up and transfer system of electricity
  • Cooling
  • Humidity and temperature control
  • Earthquake preparedness
  • CCTV
  • Fire protection
  • 99.9% uptime

Four advantages for you

1. Actively compensate voltage disturbances

Actively compensate voltage disturbanceVoltage disturbances are related to issues such as:

  • Short circuits
  • Overloads
  • Electric motor start-ups
  • Drop in a heavy load in a power system

In these situations, having a strong, active power quality solution to protect electronics and other sensitive equipment is a necessity. ADF Power Tuning is an active dynamic solution that monitors the power supply and compensates electrical imperfections thousands of times per second in order to reduce voltage disturbances and stabilize the grid. With such powerful compensation, you can expect significantly reduced system and component failures, as well as a stop to a failing power supply. ADF technology gives you the reliability you need to run your data center efficiently.

2. Reliability through redundancy

The worst scenario for a data center is the loss of data. This makes having a stable power supply a priority. But no power supply or piece of equipment is invincible. For cases when something does go wrong, having a redundant power quality solution should give you peace of mind.

Securing redundancy is made simple and efficient with ADF technology because the filters connect in parallel to the bus-bar and the modular design makes it easy to expand the solution to fit your operation as it grows.

Harmonic Compensation

3. Remote monitoring and support

As an international business, you likely operate data centers around the world. With ADF Power Tuning software, you can monitor the power quality of each and every one of your data centers—in real time, all around the globe.

And when dealing with advanced electronics and sensitive equipment, it’s beneficial to have monitoring and quickly available service support. With our remote monitoring software, we can help you spot issues and identify opportunities to optimize your settings, make corrections, and avoid errors—no matter where you are in the world.

4. Dual cooling capabilities

We can provide both air-cooling and liquid-cooling capabilities built into the ADF technology itself. By offering the two options (between liquid- and air-cooling), you are able to choose what fits best into the overall data center cooling concept.

Power compensation that works for you

From particle accelerators, automotive production plants, or food & beverage operations, ADF Power Tuning solutions are adaptable and dynamic enough for any application.

General industrial power compensation issues

Heavy machinery, energy-intensive starts and stops, switching events (such as turning on a transformer), and advanced equipment. Any of these elements can lead to poor quality, energy inefficiency, equipment wear, and even unplanned stops.

Ellevio wind farm, Sweden.
Ellevio wind farm, Sweden.

Industrial power compensation advantages for you

With our low harmonic, active compensation solution, you experience:

  • Improved power quality
  • Redundancy
  • Regulatory compliance
  • Energy efficiency
  • Prolonged equipment lifetime
  • Easier monitoring
  • And more!

Support renewable energy operations

ADF technology is a proven solution in the renewable energy segment. With typical problems including harmonics, voltage, and flicker, ADF Power tuning is the one solution that can mitigate all of these problems. And as a bonus, it supports a more energy efficient operation.

DanTysk installation
Read the DanTysk case now

Seamlessly meet standards

ADF technology can meet the power quality standards of any industry. And it goes beyond that, allowing you to secure equipment warranties. At the same time, it is the most compact solution on the market.


Conserve energy, improve running cost

This low harmonic solution compensates imperfect power waves, enabling optimal equipment performance with fewer energy losses in the facility’s grid so you can decrease your overall energy cost. With a reduced electric bill and improved operation, many customers find they have a quick return on investment.

Extend your equipment lifetime

With ADF Power Tuning, you lower the risk for wear, expensive shutdowns, and spare parts replacement.

South Korea Data Center
The ADF team visits an installation at a data center, South Korea


VSD Compensation for the Water Treatment industry

Water and wastewater treatment involves the use of highly energy intensive processes that must be controlled with precision in order to maintain a safe and sanitary water supply.

Water Treatment

VSD compensation and other common issues

One of the biggest challenges for the water and wastewater treatment industry is to save energy. Globally, water management accounts for 4% of all electricity consumption (International Energy Agency, 2014). The use of VSDs (variable speed drives) support water treatment plants in drastically reducing energy consumption, but they come with a cost. Although they help control the plant’s demanding processes, their use on fans, pumps, and other drives contribute to harmonics. When left uncompensated, harmonics have proven to cause problems such as overheating transformers, nuisance tripping, reducing equipment lifetime, etc.

Chertsey water treatment

Three advantages for you

1. Save space

Water treatment plants often do not have the luxury of building from scratch. Rather, they must often upgrade with retrofits. When working with an existing physical infrastructure, it’s important to have a solution with a minimal space requirement. ADF Power Tuning products provide powerful compensation in a compact form. In other words, you can do more with less.

2. Achieve redundancy

A chief concern in water treatment is the risk of contamination. These plants provide a critical function for societies around the world. And while this reliance is invisible when processes are working well, society definitely takes notice when something goes wrong. ADF Power Tuning helps prevent drastic problems such as equipment malfunction, unexplained interruptions, and unplanned stops.

3. Enable energy savings

VSDs are crucial for running a water treatment plant, as well as reducing a plant’s energy consumption. ADF Power Tuning enables the plant to run on VSDs without problems by essentially removing the problems that would hinder the VSDs from working their best.

And due to the ability to be installed in-parallel, ADF technology enables lower energy losses than conventional compensation technology.

To learn more about ADF Power Tuning for your water treatment operation, contact us.

Power quality in energy intensive processes

Process industries, such as food processing and foundries, require an uninterrupted flow of production for successful operation. This continuous mode of operation requires significant power, which places a heavy load on the energy grid.

Specific applications may include food processing, packaging, plastic fabrication, pulp and paper production, metal processing, manufacturing, foundries, refineries and automotive production.


Power quality and common issues

The highly-advanced machinery and equipment used in process operations represents a significant capital investment. The sensitive nature of such machines makes them vulnerable to power disturbances and other related problems, including trips, unplanned stops, equipment failure, reduced equipment lifetime, and flicker.

Also, while energy consumption, and therefore cost, is a main concern for those in process industries, safety and sanitation is the highest priority. This is why it is crucial to have a reliable power quality solution to strengthen the electrical system overall and avoid unplanned stops—which is the scenario most likely to contribute to a safety or sanitation risk.

Consult an expert today
To discuss your specific needs with an expert, contact us now.

Five advantages for you

ADF Power Tuning can monitor and compensate electrical disturbances at very high speeds. It improves the plant’s overall energy network, minimizes stoppages, protects sensitive electronics as well as non-electronic equipment parts, and lowers electricity costs.

1. Optimize your network

ADF Power Tuning makes it possible to compensate all power available in the grid. This enables secured network stability, even with demands from lighting, computers, etc.

Harmonic Compensation

2. Prevent surges and transients with improved power quality

ADF Power Tuning monitors and compensates imperfect power in the grid at lightning speed to prevent power surges and transients that can damage monitoring or control systems in automated plants. Thanks to this active and dynamic monitoring, production can continue smoothly.

Equipment malfunction

3. Eliminate facility “ghost” problems

Have you ever experienced a mechanical or operational problem that seemed to have no apparent cause? Poor power quality is often the cause. ADF technology eliminates and prevents “ghost” problems that are really due to unseen electrical problems in the grid (improving power quality).

4. Achieve compliance

This low harmonic solution minimizes the effect that the facility’s heavy energy load will have on the grid—thereby helping you avoid fines or other legal repercussions due to non-compliance with electrical standards, such as IEEE.


5. Decrease power consumption

Sustained high power quality means more efficient, problem-free production. Due to its ability to reduce losses (heat energy) in the transformer, ADF Power Tuning helps you simultaneously conserve energy and lower your energy costs.

Harmonic Compensation for the Oil and Gas Industry

Reliable and stable power quality is crucial for efficient operations and safety when it comes to land rigs, offshore drilling rigs, drill ships, and other oil and gas installations.

Oil and Gas

Harmonic compensation and other common issues

Offshore oil rigs require specialized energy-intensive equipment. This advanced machinery comes at a high capital investment and has high energy demands.

Minimizing oil and gas recovery costs while maintaining the highest standards of worker safety are two of the industry’s greatest challenges.

Similar to the shipping industry, offshore installations, land rigs, and Mobile Offshore Drilling Units (MODUs), etc. are mandated to meet requirements for total harmonic distortion (THD).

Six advantages for you

1. Achieve compliance

The ADF product range is certified according to most oil and gas standards, such as DNV GL, ABS, and BV.

Additionally, these governing bodies require THD (total harmonic distortion) limits for offshore oil and gas operations. Although it comes in a small, modular package, ADF Power Tuning is strong enough to ensure you’ll meet the required standards for harmonic compensation.


Read our customer success cases to find out how →

2. Save limited space

With limited space available onboard an offshore operation, you need to optimize the space you have. With its compact size and flexible installation options, ADF Power Tuning will work with your existing infrastructure.

3. Avoiding nuisance tripping

The changing intensity onboard machines can lead to power surges, harmonics, or other problems that can trip alarms. The capabilities of ADF technology practically eliminate unnecessary trip alarms, so there is no need to waste time assessing false alarms typically triggered by poor power quality.

Oil rig installation


4. Extend your equipment lifetime with excellent harmonic mitigation

This reliable compensation solution ensures that unstable power is mitigated. This protects sensitive equipment and reduces the risk of equipment wear, expensive shutdowns, and replacement.

Oil rig equipment
Onboard Arkticheskaya, Baltic Sea

5. #UptimeAllTheTime

With high power quality, your equipment experiences extended lifetime.

With improved energy efficiency, you also optimize equipment functionality, minimize downtime, and reduce unplanned maintenance.

6. Stabilize your electricity supply

Power for rigs is often produced by generators, which creates a weak, unstable electrical network. ADF technology works by actively compensating for these electrical disturbances, thereby improving the power quality and reliability of live and operational systems.

Harmonic Compensation

To learn more about ADF Power Tuning for your oil and gas operation, contact us now.

Low harmonic drive technology

Low harmonic drive = A standard 6-pulse drive + filter technology

The future of low harmonic drives

If you have a high number of drives (variable-speed motor drives) on site, you are generating electrical disturbances.

The conventional low harmonic solution to disturbances from drives has been to use active front end drives (AFE drives). There is now a modern solution that offers an advantage over this conventional method. With active filter technology, you get a more compact solution that enables fewer losses and less total harmonic distortion.

Our active dynamic filtering technology is part of the most flexible system on the market.

ADF Power Tuning can be combined with 6-pulse drives and placed in parallel, in shunt, with the load. The parallel placement of ADF Power Tuning ensures system redundancy, which is a major advantage in critical applications, such as medical care or the marine industry.

Ocean rig

Meet low harmonic drive requirements

Since the requirements for maintaining low harmonics (such as IEEE 519, G5/4, and EN61000-2-2) are getting tougher, low harmonic solutions have become a hot topic within many industries.

Make sure your operation is compliant. Contact us now for a free consultation.

Ideal for system integrators and OEMs

Because ADF Power Tuning components can be combined with a drive to create the ideal low harmonic solution, ADF technology is the best choice for system integrators or OEMs. We can supply you with the components you need to succeed in any application.

Learn more about how we support system integrators here.

System Integration

From Installation to Service – all you need to know

Getting started is easy. We have extensive experience with everything from optimization of single loads to projects for complete factories and utilities.

Every project begins with the following steps:

  1. Power Quality Analysis

    The first step toward improving energy efficiency is an energy analysis. This step includes site measurements, an assessment of your current energy conditions, and analysis of how you would benefit from ADF Power Tuning.

    For support contact your local ADF representative →

  2. Sizing

    The findings in the energy analysis serve as the foundation for calculating potential cost savings and technical benefits. Together with you, we put together a detailed savings sheet with annual savings, payback time and other business ratios. This serves as an economical decision-making tool for you.

  3. Installation

    System installation is easy and can be undertaken either by your own trained personnel or an expert from our organization. We offer turnkey solutions, including installation on request.

  4. Commissioning

    Commissioning is undertaken by an ADF expert to ensure optimal system performance and to get you up and running smoothly.

  5. Maintenance and Service: 

    Annual system inspections are always recommended to guarantee system performance and lengthen equipment lifetime. Your representative can help you identify the most helpful service agreement for your operation. For emergency support, you can access our 24/7 support line here.

Get started on Step 1 today. Get in touch with an expert now →

Customer Benefits and Services

After commissioning, you may soon notice a reduced electric bill, better functioning equipment, and overall improved energy efficiency.

Maintenance Service

To ensure lasting performance and long life span of your system, we suggest a yearly service inspection. We offer a range of service agreements to match your requirements on service level and guaranteed service time. Contact us now for a customized maintenance agreement.

And when spare parts are needed on short notice, you can take advantage of our Quick Stock selection to get you what you need, when you need it.

Technical Support

A service agreement will keep your operation in good shape with planned maintenance check-ups, but for emergency scenarios, we offer remote support. We can also send a technician your way as soon as possible. And don’t forget, our product documentation provides you with operation instructions, service guidelines, and relevant safety information.

When additional support is needed, you are always welcome to contact our service center for help.

Service in Angola
Service technician on-site in Angola


Partner Benefits and Services

For qualified partners that join the ADF Partner Network, we provide additional support to maximize your ability to serve your customers locally.

Training and Education

We offer a variety of training sessions through the ADF Academy. Topics include:

  • Sales
  • Technology / Product Overview
  • Power Quality
  • Sizing
  • Installation
  • Commissioning
  • Service
  • Troubleshooting

To inquire about a training session, contact us today →

ADF Academy Trianing in Australia
ADF Academy training session on-site in Australia

Sales and Marketing Support

As a qualified member of the ADF Partner Network, your services will be promoted via the Partner Directory, you gain access to valuable marketing materials, you can use our promotional events as your own, and you’ll be invited to our annual partner conference where we discuss industry trends and share best practices to sharpen our skills and deepen our shared expertise.

ADF Conf visit to Man Trucks and Bus
Group tour of the MAN Truck and Bus site in Germany, ADF Partner Conference 2015

ADF Active Filter Partner Offering

Our Partner Offering for Power Conditioning

Comsys works closely together with consultants and selected partners. Being a Comsys partner allows you to profit from the state-of-the-art ADF Active Filter technology.

Comsys ADF Active Filter allows your customers to manage all energy management needs with one unit. Our products and solutions are capable of meeting the unique power quality needs of manufacturing companies, data centers, office buildings, utilities, and more. Become a member of our ADF community and benefit from our competence and unique ADF Active Filter.

Interested in joining the global ADF Partner Network?


Companies often turn to consulting engineers for retrofitting and construction of new facilities. ADF Active Filter is the unique tool for consultants to solve all power quality related issues with one unit. Comsys' support makes it easy for you to help your clients to benefit from optimized energy consumption.

ADF Community

Comsys enters partnerships with selected companies within the fields of power distribution, industry automation and energy management. Our ADF community is established to supply our products and solutions for existing and new customers globally. It is important for Comsys that the customers deal with local known companies with local presence. To become a partner please contact us.

Become a partner

Benefits include:

  • Special service agreements
  • Free access to our online resource portal
  • Free sales and marketing material
  • Free participation in our ADF Academy courses
  • An annual invitation to our yearly partner conference

If you’re interested in joining the global ADF Partner Network, click here.

Comsys Services Support (CSS)

Service & Support

Benny oil Field AngolaWe’re here to help you with whatever service needs you may have, and can even support through remote monitoring.
Have an issue?
Want our advice?
Reach us through the information below.

Comsys Service Support (CSS) is available for all our ADF customers Monday to Friday 08.00 - 17.00 (UTC +1) via phone +46 10 2096800 (select option 2 in the voice menu) and email . The service support will guide you to adjust all of our ADF products and solutions.

Comsys Service Support can provide on site support globally through our Worldwide network of certified partners.