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Energy and Utilities

Energy and Utilities

IMPROVING AVAILABILITY AND PRODUCTIVITY FOR ENERGY PRODUCTION. ON LAND AND AT SEA.

The energy sector is a complex and inter-related network of companies, directly and indirectly, involved in the production and sale of energy, including fuel extraction, manufacturing, refining and distribution.

The industry faces the challenge of a trend towards higher energy costs and unscheduled standstill, or downtime is extremely expensive. Therefore, maximum power must be generated at the lowest possible operating costs while maintaining a high degree of flexibility and environmental protection.

We can provide you with a diverse portfolio of turn-key control and safety systems as well as global service, maintenance, and project planning service options. The aim is to ultimately improve your availability.

WE MOVE.

Continuous Directional Valves

Continuous Directional Valves

To have the capability of actuating the adjustment devices in a turbine via control and regulation systems is a fundamental requirement for achieving high availability and reliability. A wide variety of continuous directional valves, with and without integrated valve electronics, is available for hydraulic control and regulation systems. Customers can also choose from digital continuous directional valves for suitable applications as an alternative to this classic valve technology with analog command value input.

Fast-acting control systems

Fast-acting control systems

Fast-acting control systems are installed when an actuator in the normal operating state (closed, open, or control position) must immediately assume a defined safety position following signal output. This fast-acting control system is specially designed for actuators in turbine control systems.

Hydraulic actuators

Hydraulic actuators

Gas or steam valves that are actuated by hydraulic actuators for example, are installed in turbines to regulate and control process procedures. A steam turbine, unlike a gas turbine, can use the valves to control the entire thermal energy of the turbine; in a gas turbine, only the quantity of fuel supplied is regulated as it is reflected by the dimensions of these actuators. The hydraulic actuators are offered in different versions for turbine power ranges of 25 to 1,600 MW for steam turbines and 25 to 375 MW for gas turbines, depending on the customer's needs.

Electromechanical actuators

Electromechanical actuators

The new electromechanical actuator with hydrostatic gear and spring-assisted emergency fast-acting function is fitted in a compact housing and operates independently with no additional oil-supply unit and piping necessary. Very easy to handle, the actuator considerably reduces commissioning and maintenance costs.

Hydraulic turning gear

Hydraulic turning gear

To realize the hydraulic turning gear, Rexroth offers the necessary system components (hydraulic motor, control block and in case of need engagement cylinder) that meet the requirements of turbine manufacturers. The design of the hydraulic turning gear can also be modified, depending on the capacity of the turbine.

Oil supplies for hydraulic energy

Oil supplies for hydraulic energy

A turbine plant contains two hydraulic worlds: Cooling and lubrication circuits are characterized by low system pressures and large supply flows, while hydraulic oil supply systems are used to transfer hydraulic energy and operate under medium to high pressures with small supply flows. Rexroth has proved to be a competent partner in designing both systems and offers separate supply units as well as both systems connected to a single reservoir.

Large electric drives

Large electric drives

The IndraDrive ML extends the IndraDrive series into the upper power range: individually up to 500 kW, connected in parallel up to 8 devices and up to 4 MW. These space-saving, modular inverters are real all-rounders – they can be used as a mains power inverter or as a motor inverter. This minimizes the variants, simplifies handling and reduces your storage costs. And you save energy at the same time.

YOU WIN.

Quality

Quality

The search for high availability and low maintenance costs is directly linked to a long-term quality assurance program that is used in the manufacture of components and subsystems. By acquiring certification in accordance with standards such as ISO 14001:2004, BSOHSAS 18001:2007, and ISO 9001:2008, Rexroth has proved that being consistently dedicated to providing the best quality and meeting the most demanding requirements leads to long-term customer satisfaction.

Control and safety

Control and safety

Rexroth's global presence ensures that our customers around the world have access to technical know-how, spare parts, and development services at any time – a well-founded prerequisite for operating gas and steam turbine plants at a high level of availability. Bosch energy control and Bosch safety solutions complement our global service.

Decades of Industry Experience

Decades of Industry Experience

The sophisticated plants, with their high operating temperatures and pressures as well as comprehensive safety systems, require custom-tailored systems. Rexroth has gained unique and market-specific application know-how throughout the years. Numerous innovations and certifications confirm this.

CASE STUDIES.

Da Teng Xia civil engineering project

Flood control storage for 1.5 billion cubic meters of water

For this gigantic project we’ve delivered the world’s largest radial gate hydraulic hoist, a project worth in excess of 40 million yuan. Rexroth’s extensive experience, advanced design schemes and innovative piston rod ceramic coating processes has helped the team overcome many of the challenges and technical difficulties facing the Da Teng Xia civil engineering project. As the key component of the hydraulic hoist, a special ceramic coating meets the anti-corrosion requirements of the piston rod for this project.

The radial gate enables a full force up to 2×6300 kN, a new global record. The previous record of 2x5000 kN was provided by Bosch Rexroth as well.

SERVICE

Spare parts

Spare parts

Bosch Rexroth offers a comprehensive spectrum of service to repair, maintain and modernize heterogenous machines.

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Repairs

Repairs

Fast and reliable repair instead of expensive replacement – thanks to a fast repair the machine and production can continue to run.

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Field service

Field service

Do you need on-site help? Our Bosch Rexroth field service supports you during operations.

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Modernization

Modernization

We turn old into new and new into even newer! Because of our expertise we can significantly extend the service life of your product line with full productivity with retrofit solutions.

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