A gas turbine is a type of internal combustion engine that uses a continuous combustion system to convert the energy in fuel into mechanical energy. It consists of three main parts: a compressor, a combustion chamber, and a turbine. The compressor compresses air and mixes it with fuel, which is then ignited in the combustion chamber. The hot, expanding gases drive the turbine, which generates electricity. It is widely used in power generation, aviation and marine propulsion. It has a high thermal efficiency, and power-to-weight ratio and can be used as a prime mover in power plants or as a jet engine in aircrafts. It is also highly adaptable to different power requirements and can be quickly started and stopped.

A steam turbine is a mechanical device that converts the thermal energy of steam into mechanical energy to generate electricity. It consists of a rotor with blades attached to it, which rotates when steam is passed through it. Steam is directed onto the blades of the turbine rotor, causing it to rotate. This rotation is then used to generate electricity via a generator that is connected to the turbine. Steam turbines are commonly used in power plants to generate electricity. They are highly efficient and can operate at high temperatures and pressures. They are also versatile and can be used in various industries such as oil and gas, chemical, and manufacturing.

A wind turbine is a device that converts the kinetic energy of wind into mechanical energy to generate electricity. It consists of a rotor with blades attached to it, which rotates when wind is blowing. The rotor is connected to a generator, which converts the mechanical energy into electricity. Wind turbines can be either horizontal or vertical axis, the most common being horizontal axis turbine, which have blades that rotate around a horizontal axis. They can be found in both onshore and offshore locations, and are becoming a popular source of renewable energy. Wind turbines are highly efficient and can operate at high wind speeds, they can also be connected to the grid to supply electricity to homes and businesses.

A Heat Recovery Steam Generator (HRSG) is a key component in combined cycle power plants, capturing exhaust heat from gas turbines to produce steam. This steam drives a steam turbine, generating additional electricity, thereby enhancing overall plant efficiency. An HRSG consists of a series of heat exchangers, including economizers, evaporators, and superheaters, arranged to maximize heat transfer. Water flows through these exchangers, absorbing heat and converting to steam. HRSGs can operate at multiple pressure levels and often include supplementary firing to increase steam production. They are essential for improving the thermal efficiency of power plants by utilizing waste heat, reducing fuel consumption, and lowering emissions, making them vital for sustainable energy generation.

Smart process instruments are devices that are used to measure, monitor and control various process parameters such as pressure, temperature, flow and level. They use advanced technologies such as microprocessors and sensors to provide high-accuracy measurements and to perform advanced control and monitoring functions. They also have the ability to communicate with other devices, such as PLCs or SCADA systems, through digital communication protocols, such as Modbus, Profibus or Ethernet. Smart process instruments can help improve process efficiency and productivity, reduce downtime, and enhance safety. They are widely used in various industries such as oil and gas, chemical, food and beverage, and pharmaceuticals.

A Distributed Control System (DCS) is a type of control system that uses decentralized elements or subsystems to control a process. It consists of a network of controllers, input/output (I/O) devices, and field devices that are distributed throughout a process or facility. The controllers are connected to the field devices through a communication network and are used to monitor and control various process parameters such as temperature, pressure, flow and level. The DCS also includes a human-machine interface (HMI) that allows operators to monitor and control the process from a central location. DCS is widely used in various industrial processes such as oil and gas, chemical, power generation, and manufacturing. It can provide a high degree of automation, flexibility, and scalability compared to traditional centralized control systems.