From Switches to Outdoor Current Transformers: All You Need to Know For Your Electrical Substation

transformers

The demand for electrical power is increasing. This need can only be fulfilled by power generating substations. There are many different types of electrical substations, including atomic, thermal, and hydro-electric.

Based on the availability of different resources, electric substations are built at a whole series of locations, which may not be close to load centers. That’s why it’s essential to transmit power from the substation to the load center locations. Here’s why you need specific equipment, which we will describe here below.

Insulators

An electrical insulator separates a conductor from the component or the surface to which it is attached. It has a high electrical resistance, which prevents the unintentional flow of current between the conductor and other objects all around it. In this way, it’s possible to reduce the risk of power damage and energy waste.

Once we eliminate all direct physical contact among electrical components, standoff insulators help us to prevent those situations in which it may short out.

Insulators are made with a variety of materials. These materials influence their effectiveness and how they perform. On the market, you can find insulators made from quartz, clay, or other materials like rubber or fiberglass. Each type can accept different amounts of corrosion, voltage, and deformation.

Switches

With the word “switch”, we are referring to an electrical component that makes or breaks an electric circuit.

The most common type of switch is a device that is operated manually with one or more sets of contacts. These contacts are connected to external circuits. Once the contacts are closed, the circuit will be complete, and electricity will be able to flow between them. This will open the connections and separate them. In this way, the current will be interrupted. This mechanism is used to turn lights, equipment, and machinery both on and off.

You can choose from a wide variety of switches. Some of them have different methods of actuation and mechanisms. Switches can be separated into maintained (such us rockers and toggles) or momentary (like pushbuttons). Switches can also be operated by different variables, including flow, temperature, voltage, current, and more. Switches can also have different contact variations, such us double-pole, single-pole, double-throw, and so on.

Outdoor Current Transformers

An outdoor current transformer is a transformer that is designed specifically to measure alternating current. It scales a sizeable current value into a smaller current value. In this way, it’s easier to handle instruments and relays. The instrument circuit is isolated from the primary power circuit. This mechanism protects equipment and improves overall performance.

Like any other transformer, outdoor current transformers are built with primary and secondary windings as well as a core. The current passes through the primary winding. It’s proportionally transformed through induction into a secondary winding. This step is completed before it supplies the instrument circuit. We can summarize by saying that the secondary current value is more useful for low-voltage applications.

Conclusions

No matter the size of your project, the key here is to get only the best equipment. In this way, you will be able to save tons of money and time. We highly recommend Guangdong Sihui Instrument Transformer Works as one of the most reliable suppliers of switches, insulators, and outdoor current transformers. Go on and visit their official website to learn more about this incredible company!

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