Energy efficiency

Making your power plant energy efficient

ABB energy efficiency solutions have a proven and well-documented ability to improve the energy efficiency of power plants. They can improve power output to the grid without increasing fuel consumption.

Why ABB?

Generate more energy from less fuel by lowering the plant’s fuel consumption
Extend the operating life of the plant by optimizing asset performance
Improve operational flexibility by maximizing process efficiency

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Energy efficiency plant audits

Energy efficiency drives applications

Energy efficiency optimization solutions

Energy efficiency actuator retrofits

ABB’s energy efficiency experts run an on-site assessment to identify potential savings for energy consumption. Based on this audit representatives of management and engineering from the customer and ABB review the energy efficiency potential and define a priority plan for implementing the measures.

Why ABB?

Main focus is on a short pay-back period
Saving potential per plant usually lies between 5 to 20% of the current energy consumption, which means up to 8% of overall plant efficiency

Pumps and Fans are the main consumers of electrical energy in power plants. A small reduction in speed can make a big reduction in the energy consumption. A pump or a fan running at half speed may consume as little as one eighth of the energy compared to one running at full speed.

By employing variable speed drives on centrifugal pumps, instead of throttling or damping, the energy bill can be reduced by as much as 50 percent. Consequently, electric variable speed drives also help to reduce NOx and CO₂ emissions.

Why ABB?

Reducing the overall energy consumption
Reducing NOx and CO₂ emissions

The fluctuating power generation by renewables requires increasing flexibility of fossil fired power plants. The amount of start-ups and load changes is increasing, thus consuming life time of the equipment.

Increased pressure on electricity generation prices forces power plant operators to manage their processes with less fuel.

Optimax optimizes processes such as start-up, combustion and soot blowing. Virtual power plants can be formed through suitable pooling of conventional and renewable generation units. The optimized operation of a power plant can be achieved by performance monitoring.

Optimax is a comprehensive set of software tools that can run with most types of control systems.

Why ABB?

Optimize operation of a power plant by performance monitoring
Optimax is a comprehensive set of optimization tools that can run with most types of control systems

A variety of factors is pressuring power utilities to improve the efficiency of fossil fuel power stations. These include strict environmental specifications, climate protection goals, changing fuels or fuel energy values and frequent load changes resulting from the growing use of regenerative power sources.

Solutions to these challenges incorporate precise, continuous positioning of final control elements in specific areas of the plant.

With Contrac ABB offers world class actuators that can optimize parameters across the process of thermal power generation. Typical applications are for instance super heater spray and preheater drain control valves in the water steam cycle and burner air control valve and classifier positioner in the combustion process.

Why ABB?

Retrofitting a power plant with Contrac Actuators along with adjustments in the control quality increases the overall plant efficiency and can reduce fuel costs by 0.5 to 1%
Considering an average of 100 MUSD annual fuel costs for a mid-size CCPP such investment usually pays off in a couple of months

Why ABB?

Main focus is on a short pay-back period
Saving potential per plant usually lies between 5 to 20% of the current energy consumption, which means up to 8% of overall plant efficiency

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