Introduction of Electrical Earthing System

Electrical Earthing is one of the most essential parts in electrical engineering. You may deal will different types of electrical equipment and if there is no earthing system then you are at high risk. But having a earthing system is not enough. You have to calculate your overall load and individual earthing for each electrical equipment and machine. In my factory we calculate all earthing system according to our government guideline from our outdoor substation to individual machine. But you Read More …

Induction Motor Troubleshooting and Inspection Chart

I work in a Spinning Mills. We use to produce 100% export quality of yarn from cotton. In a spinning factory you will find different types of machine like Ring Frame, Simplex Roving Frame, Carding Machine, Drawing Framer and many more. But most important thing is that the entire machine has at list one motor. If I include humidity plant or AC Plant then it will be huge number of motor you can find in spinning mills. So it’s important Read More …

What is IP or Ingress Protection

When you are handling with motor, inverter or any others electrical component then you may notice the word ‘IP’ on its name plate. Ok leave that. I think you have a smart phone and its water proof. Now what does it means to you. Your phone will stay active any kind of weather if there is lot of dust or full of water. And it also means that dust and water cannot penetrate to your device which has IP level Read More …

How to Select a Perfect AC Motor?

Electric Motor is one of the most common electrical components. You may already found various types, shapes of AC motor in your service life. Form my side it’s a daily work to inspect at list two motor in my work. But when I was new engineer it was little bit complicated to select a perfect motor for my work. Maybe I am not so advance about electric motors but at list I can tell you what you need to follow Read More …

Protection for a Power Transformer

Power Transformer is an essential electrical component. Engineer like me, who only depend on transformer then it’s really important to keep the transformer active for 24/7. If there is any problem with transformer then all machinery inside of the factory floor will be silent and zero production will come. When you are having problem with your transformer then it may take long time to repair it. So it’s better to protect power transformer at first place. In this post I Read More …

Transformer Installation, Inspection and Commissioning

I already posted couple of article about power transformer. In this post I will discuss about the indoor transformer installation, inspection and commissioning. Transformer Indoor Installation: There is some specification if you want to install a power transformer inside a room. But you can do it when you get the permeation from the government. In my country if we are making a substation and our supply voltage is 11 KV then we can install our transformer inside a room. But Read More …

Transformer Schedule and Overhaul Maintenance

In this post I will discuss about the schedule and overhaul maintenance for a power transformer. So you just need to follow this procedure for a power transformer. For batter and smooth operation, this two type of transformer maintenance should perform.  Schedule Preventive Maintenance For Power Transformer: First of all visual inspection. Inspect the transformer very carefully. You may detect some fittings problem on transformer body and eliminate the problem. Drainage of transformer sludge, etc,. Form the conservator. Adding the Read More …

Power Transformer Troubleshooting

If you are an electrical engineer then you will responsible for taking care of a power transformer in your work place. Like me, I am responsible for taking care of two power transformer. This is a new factory and I joined this company from very beginning. Every construction work done in front of me like making a substation, install all new machine even the civil construction work. Now my factory is running pretty well. We already provided the power to Read More …

Power Transformer Oil Testing

Transformer oil testing is one of the important parts for a power transformer. This test will performed when your power transformer cooling system is oil type. Transformer oil in not any ordinary oil. Its use to call transformer oil and it little bit pricey. In this post I will explain everything about this experiment and I will also provide you a live video link that you can understand it very well. So let’s go. First of all you have to Read More …

Power Transformer Working Principle, Construction and Types

Transformer is a common word for an electrical engineer and engineering student. In this post I will discuss about what is transformer, its working principle, transformer construction, types of transformer and transformer testing. I am going to post a series of article about transformer with video. So let’s go. What is Power Transformer? By one sentence we can say, a transformer is a static piece of electrical equipment which can transform AC electric power form one circuit to another by Read More …