Power Systems

Power systems are the power source for a machinery or system and there would be a power transfer unit installed in between to transmit the power supply to the mechanical usages or actions. Power systems are also known as the power supply, such as the one used in the pump industry. As the industry protocol progresses, the power generated by compressed air is usually a linear actuated system wherein a pneumatic cylinder drives the compression piston directly, often in a common housing, which is separated by a seal unit set. 

Furthermore, a high pressure pneumatic drive arrangement may use the identical pressure as the output pressure to drive the piston, and a low pressure drive will use a larger diameter piston for multiplying the applied force. As for its utilization, they are often adopted for the pressurization of water heater, high-rise low water pressure, sauna, bathing and other pressurization, insufficient pressure at the top of the apartment, solar automatic pressure increase, reverse osmosis water purifier pressure increase, and many other commercial applications. 

Power Systems for Pumps

Generally speaking, the centrifugal pump is initiated upon filling liquids into the booster pump. Then, the impeller rotates rapidly so that they impeller blades can drive the liquid for rotation. Afterwards, the liquid flows to the outer edge of the impeller by inertia based on normal physical effects. As for the impeller, the liquids flow through the blades, and the liquid acts on the blades as it flows. The blades then act on the liquid with a force equivalent to the lifting force, and then in the opposite direction. This is a basic explanation. 

Based on the well organized power systems, the force does work on the liquid and makes the liquid obtain whenever the energy flows out of the impeller.  The kinetic and pressure energy of the liquid increase during the process and are considered normal results. The working principle of a gas-liquid booster pump is similar to that of a pressure booster. It applies a very low pressure to a large-diameter, air-driven piston first. A high pressure is generated when the pressure acts on a small area of the piston. The booster pump can achieve continuous operation as projected through a two-poiston, five-way and air-controlled reversing valve. The high-pressure plunger controlled by the check valve continuously discharges the liquid, and the pressure at the outlet of the booster pump is related to the air driving pressure values. 

Power Systems for Motors

For the application of power sources in the motor designs, an AC motor is an electric based power motor which is driven by an alternating current, AC, as its power source. The AC motor typically consists of two basic components, which are essentially an  outside stator which have coils supplied with alternating current to produce a rotating magnetic field, and the other is an inside rotor attached to the output shaft, which produces a second rotating magnetic field. In regard to the rotor magnetic field, it may be produced by permanent magnets, reluctance saliency, or DC or AC electrical windings, depending on the suppliers’ design and usage considerations made by the professional engineers. 

To be precise, AC motors are very common motor types today which are used and adopted in all kinds of industrial and domestic fields, supporting a wide variety of power supplying movements to the corresponding loading units that are connected. However, AC linear motors are less common, though they also operate on the similar principles but have their own stationary and moving parts which are arranged in a straight line configuration. 

There are two primary kinds of AC motors in the market, which are the induction motors and synchronous motors. The former are also called asynchronous motors and often rely on a small difference in speed between the stator rotating magnetic field, and the rotor shaft speed is called slip in order to induce the rotor current in the rotor AC winding. 

Therefore, the induction motor is not able to produce torque at synchronous speed in which induction is irrelevant, or may cease to exist. Contrary to this situation, the synchronous motors do not rely on slip induction mechanism for operation, as they use either permanent magnets, salient poles, or an independently excited rotor winding instead. With this manner, the synchronous motor produces its rated torque at the exactly synchronous speed which is appropriate to the real time working conditions. 

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