Uncategorized Archives - Electrical Blog

The difference between active and passive filters

Any electronic system has its own frequency bandwidth (limit to the highest frequency of the signal), and the frequency characteristics reflect the essential characteristics of the electronic system. The filter is an engineering application circuit designed according to circuit parameters’ influence on the circuit’s frequency bandwidth. Everyone knows that there are many filters, and the easiest way …

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Microgrid: The Key Concept

With the rapid development of the national economy, electricity demand has also increased rapidly, and the power grid structure has become increasingly complex. The traditional power grid structure of centralized power generation and long-distance transmission of large power grids is also facing more and more challenges. The cost is high, the operation is complex, and …

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A new EV battery from China can travel 1,000 miles on a single charge.

A Chinese company showed off a record-breaking electric vehicle (EV) battery on Thursday. It has a volume utilization efficiency of 72 percent, an energy density of up to 255 watt-hour/kilogram (Wh/kg), the world’s highest integration level, and can go more than 1,000 kilometers on a single charge. The battery, called Qilin, after a legendary creature …

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Current Transformer: All You Need To Know

What is Current Transformer? A current transformer is an instrument transformer also known as CT, used to step down the line current of an electrical circuit so that it can be used in the revenue meters and in the protection relay. As we know typically the line currents are high enough. So to safely use …

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How to Put Out an Electrical Fire

An electrical fire can be a scary and dangerous situation. It is important to know what you should do in the event of one so that you are prepared for any emergency. This blog post will give you some tips on how to put out an electrical fire, as well as prevention methods that will …

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7 ways to prep a substation for winter

Winter is coming, and it’s time to prepare your substation for the months ahead. With a little bit of work now, you can avoid many potential problems later. Here are 5 tips that will help you prep! Ensure the substation is clean and free of any debris: This includes snow, ice, dirt, leaves, and other …

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Vehicle To Home: All You Need To Know

Vehicle To Home (V2H) Vehicle to Home or V2H is an electric vehicle (EV) charging technology that allows you to charge your vehicle from the comfort of your home. Basically, it turns your vehicle into a mobile power pack. For this to work, a vehicle has to be connected via its onboard charger with a …

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Circuit Breaker And Fuse: What’s the difference and when should you use them?

Circuit breaker and fuse are both used to protect your home from electrical fires. Fuses and circuit breakers do a similar job, but there is one major difference between the two that you should know about before deciding which one to use in your home. Fuses work by melting when they reach their limit of …

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Brief Idea on Internet of Things (IoT): Technology, Applications, and Future Trends

The Internet of Things (IoT) refers to objects in the physical world equipped with an IP address allowing devices to communicate wirelessly to collect and exchange data. The Internet of Things has become an integral part of our lives as we can connect with the Internet even if we’re away from home or office. However, …

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Why is both RTD temperature and thermal overload protection needed?

Although both methods give protection against overload and thermal rise, both have their own pros and cons. Especially with the important objects, both methods are used because they complement each other. RTD basics We know metal has the property of varying resistivity with respect to temperature. This relationship is linear for some metals, over wide temperature …

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