Tag: difference between

A switch is an essential component of a UPS system that converts the system to a stable power source in the event that the current power source is turned off. This can be done with one of two different options. One is an automatic transfer switch and the other is a static transfer switch. Depending on how they work, they are ideal for two different purposes. Choosing the right switch for the job ensures your business is always on.

Ball valve and butterfly valve are the two most commonly used valves. Compared with other valves, the two are simpler and easier to operate, and they play a role in the control of cut-off and cut-off of the medium fluid in the pipeline. The ball valve is a control valve in which the opening and closing parts (balls) are driven by the valve stem and rotate around the axis of the ball valve. Butterfly valve, also known as flap valve, is a kind of regulating valve with a simple structure. Butterfly valve can be used for on-off control of low-pressure pipeline medium means that the closing member (disc or butterfly plate) is a disc, which rotates around the valve shaft to achieve opening and closing.

The motor can be turned on "in reverse" and is called an induction motor, also known as an "asynchronous motor". This means that the rotor of the motor is placed in a rotating magnetic field, and under the effect of the rotating field, rotating torque is obtained, and thus the rotor of the motor rotates. The motor rotor is a rotatable electrical conductor, generally mostly in the form of a squirrel cage. The motor stator is the non-rotating part of the motor with the specific task of creating a rotating magnetic field. The rotating magnetic field is not accomplished by mechanical means. It is simply a cyclic transformation of the magnetic poles by passing alternating current through several pairs of electromagnets so that it is equivalent to a rotating magnetic field. Such motors do not have brushes or collector rings like DC motors, and there are single-phase motors and three-phase motors according to the type of AC power commonly used.

Isolators and Circuit Breakers both are electrical devices used to isolate a section of power system. But what are the differences between them? In this video we are gonna make clear the differences between Isolators and Circuit Breakers which are to be explained considering factors such as type of device and their action, operation of both appliances, their functions, withstand capability and applications, etc.

Both air circuit breaker (ACB) and molded case circuit breaker (MCCB) are used for the safe switching on and off of electrical systems. In principle, both serve the same purpose. The ACB is usually found on the upstream side of the circuit, while the MCCB is found on the load-side control (usually, the load-side switch operates more frequently than the upstream). These three protection devices are selected according to the required operating voltage and protection level (fault level) of the system. As technology continues to advance, the ratings and breaking capacities of MCCBs are increasing, so the applications of ACBs and MCCBs may overlap.

Autotransformers and isolation transformers are two different forms of transformers that work on the same principle. Both use an energy conversion between the alternating magnetic field and the alternating current in the coil to convert the voltage. So what's the difference between them? The following article lists six major differences between autotransformers and isolation transformers.

When it comes to motors, the first thing that comes to mind is electric motors. But if you're looking for a motor with torque and energy efficiency, check out an air motor. Choosing the right motor type depends on your application and surrounding environment. Electric motors are useful for small items; air motors are great for factories, manufacturing facilities, etc. This article introduces something differernt between air motor and elecrical motor.

Windmills and wind turbines are two of the most prominent technologies for harnessing wind energy and putting it into practice. Since the early days, sailors have used the wind to sail sailboats on rivers and lakes. Wind power technology has been transformed many times in human history and over time has become one of the leading mechanically based renewable energy sources. Wind turbines remain a reliable and cost-effective technology for generating electricity without even producing harmful gases. In this article, you can know the differences between wind turbine and windmill.

With the growing market demand for fans, it has also been applied in various occasions and industries, although now DC fans and AC fans are everywhere in life, but many people are not very clear about these fans will be, so the following to introduce the difference between the two cooling fans. This article explains the differences between DC and AC cooling fans from five aspects.

Endoscope, also known as borescope or endoscope camera, is a multidisciplinary universal tool. Its function is to explore the depths of curved pipes, observe the parts that cannot be directly seen, observe the internal space structure and state in a sealed cavity, and realize long distance observation and operation. Endoscopes are mainly divided into optical endoscope and electronic endoscope.

Rigid couplings are divided into flange couplings, radial key flange couplings, sleeve couplings, jacket couplings and parallel shaft couplings Flange couplings: use bolts to connect the two halves The flange of the shaft coupling realizes the coupling of the two shafts. Radial key flange coupling: the coupling of the two halves of the coupling is connected by radial keys and ordinary bolts. Sleeve Coupling: using a common sleeve Couplings that connect two shafts in a certain way Couplings: Couplings that are clamped in some way to achieve two-shaft coupling using two axially split collets. Parallel shaft couplings: use Coupling in which the intermediate disc passes through the pin to realize the connection of two parallel shafts.

Pure sine wave inverters have strict requirements for function and parameters. It is more expensive and can be used in electronic circuits that require higher waveform parameters. The ordinary inverter is a hybrid waveform of a sine wave, square wave, clutter and other components, which can be used for general electrical appliances, and the price is low.

No matter where you are, you can be affected by a power outage, especially in winter. Likewise, there are many industries that must have a reliable backup method to safely generate electricity when needed. For backup power systems, there are many types of generators that can be used to generate electricity in times of emergency. For now, there are two main types of generators, namely diesel generators and gas generators. However, what is the specific functions of these generators? Let’s learn about some differences between diesel and gas generators so that we can choose the most suitable backup power system.

The diaphragm coupling consists of at least one diaphragm and two shaft sleeves. The difference between the single-diaphragm coupling and the double-diaphragm coupling is the ability to handle various deviations, which requires the diaphragm to bend, so the single-diaphragm coupling is not suitable for eccentricity. The double-diaphragm coupling can be bent in different directions at the same time to compensate for eccentricity.

Static electricity is an electric charge at rest. In the dry and windy days, people often come across this phenomenon in their daily life. Static eliminator plays a very important role in this situation. In the following, we will introduce the differences between active static eliminator and passive static eliminator.

KWe often hear shunt capacitors and series capacitors in circuit devices. So what is the difference between them? Today, we will introduce the differences between series capacitors and shunt capacitors.

A series capacitor is a reactive power compensation device. Usually series capacitors are used in EHV lines of 330kV and above. Its main function is to improve the system voltage from the perspective of compensating reactance, so as to reduce the power loss and improve the stability of the system. Capacitors must be able to withstand external forces due to short circuits, wind, snow and earthquakes. These mechanical forces are calculated through precise component analysis.

One piece ball valve is a relatively new type of ball valve. It has some advantages unique to its own structure, such as no friction on the switch, not easy to wear the seal, and small opening and closing torque. This reduces the size of the fitted actuator. Equipped with a multi-turn electric actuator, the medium can be adjusted and tightly shut off. It is widely used in petrochemical urban water supply and drainage and other working conditions that require strict cut-off.

An induction motor is similar to a poly-phase transformer whose secondary is short circuited. Thus, at normal supply voltage, like in transformers, the initial current taken by the primary is very large for a short while. Unlike in DC motors, large current at starting is due to the absence of back emf. If an induction motor is directly switched on from the supply, it takes 5 to 7 times its full load current and develops a torque which is only 1.5 to 2.5 times the full load torque. This large starting current produces a large voltage drop in the line, which may affect the operation of other devices connected to the same line. Hence, it is not advisable to start induction motors of higher ratings (generally above 25kW) directly from the mains supply.

We all know vertical centrifugal pumps and horizontal centrifugal pumps, both of which are centrifugal pumps. It can be used in everyone's daily life. So what is the difference between these two pumps? And what are the differences? For this issue, ATO.com will give you a brief explanation so that you can have a more detailed understanding of these two pumps.

Soldering stations and soldering irons are common tools in soldering operations. In fact, the soldering station is also a kind of electric soldering iron. Many people call the soldering station an electric soldering iron. The soldering station is just a new welding tool that appears in the electronic welding process due to the development requirements of welding technology. Now the soldering station has developed a lot.