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Power Generation


Fluid handling technology is integral to power generation processing, managing the movement and control of fluids like water and steam. These systems ensure proper circulation, pressure, and temperature control, optimizing efficiency and safety. From pumps to valves, they regulate fluid flow to turbines and boilers, vital for converting energy sources into electricity.

All power plants are created with one particular goal: to produce electric power as efficiently as possible. There are several types of power plants depending mainly on the sources of energy that are used. The introduction of more sustainable forms of energy has caused an increase in the improvement and creation of particular power plants.

Thermal power plants

Thermal power plants are split into two different categories; those that create electricity by burning fuel and those that generate electricity via prime mover:

  • Fossil fuel power plants: Generates electric power by burning fossil fuels like coal, natural gas, or diesel.
  • Nuclear power plants: The controlled nuclear reaction is maintained to generate electricity.
Hydroelectric power plants

Hydroelectric power plants use energy from falling water in rivers and reservoirs to spin a generator and create electricity. This energy source tends to be more reliable (dispatchable) than other renewable resources, especially when the facility runs off of a reservoir.

Solar power plants

Solar power plants convert sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power (CSP). Concentrated solar power systems use lenses, mirrors, and tracking systems to focus a large area of sunlight into a small beam.

Wind power plants

Wind power plants / Wind turbines convert the kinetic energy from the wind into mechanical power. This mechanical power can be used for specific tasks (such as grinding grain or pumping water), or a generator can convert this mechanical power into electricity.

How do power plants work?

Steam Turbine

Electrical power starts at the power plant. In most cases, a power plant consists of an electric generator. Something has to spin that generator — it might be a water wheel in a hydroelectric dam, a large diesel engine, or a gas turbine. But in most cases, the object spinning the generator is a steam turbine. The steam might be created by burning coal, oil, or natural gas. Or the smoke may come from a nuclear reactor.

Electricity is a secondary energy source, which means that electricity is obtained from converting other primary sources of energy, such as coal, natural gas, nuclear, solar, or wind energy. The power plant is the location in which the energy conversions take place.

Electricity generation generates electricity from primary energy sources, such as coal, natural gas, nuclear, solar, or wind energy.

Example of a Power Station

The power plant generator is a device that converts mechanical energy obtained from an external source into electrical energy as the output—understanding that a generator does not actually ‘create’ electrical power. It uses the mechanical energy supplied to it to force the movement of electric charges present in the wire of its windings through an external electric circuit.

The power generation industry can be split into three areas: power generation, transmission and distribution networks, and metering and sales. Large energy companies tend to operate in all three areas, which is more cost-effective, but smaller companies often only work in one of these areas.


In each plant, whether nuclear or fossil-fueled, the following essential power generation equipment is present:

  • Heat source: Provides heat to generate steam. The heat source in a nuclear power plant is the nuclear reactor, often referred to as the reactor core.
  • Turbine/generator: Uses the energy of the steam to turn a turbine/generator that produces electricity.
  • Condenser: Condenses the steam back to the water to be returned to the heat source to be heated again.
  • Pump: Provides the force to circulate the water through the system.

Pump in a Power Station

Each electric power station’s technology has advantages and disadvantages. For example, nuclear power plants provide large quantities of reliable power with low levels of greenhouse gas emissions. Fossil fuel power plants deliver on-demand, consistent and reliable energy when the resources are available. Hydro, solar, and wind power plants generate renewable electricity, producing emissions-free electricity.

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Articles about Power Generation

Experts for Power Generation

A pump is more than just rotary equipment. It is the promise to solve a pumping task safely and reliably. In his function as a product and application manager at HERMETIC-Pumpen GmbH, Dominik Hegen takes care of transparently presenting the knowledge about pump technology and the selection of the pump to the customer. After an apprenticeship as a mold mechanic for high injection tools, Dominik graduated as an industrial engineer and specialized in the field of product management and has 9 years of professional experience in this field in different positions. At HERMETIC – Pumpen GmbH he is responsible for standardized canned motor pumps which are used in chemistry, Petrochemistry and oil and gas applications. With numerous webinars and user-friendly brochures, he supports customers and interested parties in the selection of suitable pumps and works as an interface between sales and technology. Should you want to know more about one of the most safe, cost efficient and reliable pump technologies do not hesitate to contact Dominik Hegen.
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