Indepth Electrical engineering

Why You Must Know Room Area Before Selecting an Air Conditioner When it comes to buying an air conditioner, one of the most common questions in every customer’s mind is: 👉 “What size of AC is right for my room?” Most people rely on sellers, friends, or other customers’ experiences. But here’s the truth: an incorrectly sized air conditioner will either waste electricity or fail to cool your room properly. That’s why understanding the room area and cooling requirements is crucial before you make your purchase. Why AC Sizing Matters If AC capacity is higher than required: Excessive power consumption Cooling cycle stops early → humidity not removed → damp and clammy feeling Lower efficiency and shorter equipment life If AC capacity is lower than required: Room will never reach comfortable cooling AC runs continuously → higher electricity bills Equipment wears out faster Thus, the right-sized AC ensures effective cooling, proper dehumidification, and ...

ISEER Rating you often spotted on Commercial advertisements for air conditioners and every company is claiming that they are giving highest ISEER rating and rating is also mentioned for the same. They also even claim that their product consumes very low electricity. Now it becomes very important to know about what is ISEER rating? How it is very important parameter before buying a product. In this article we will study about ISEER rating. With everyday new inventions in air conditioning it becomes important for BEE to introduce methodology for measuring efficiency of air conditioners. With invention of inverter air conditioners, it was thought that it may not be successful but inverter air conditioners become very successful. But they were introduced without any star label which becomes very important factor while buying any electrical/ electronic product. So people want star rating of inverter air conditioners. To overcome this problem ISEER was introduced.   Earlier for m...

Why Aluminum Conductors Are Used in Transmission Instead of Copper Conductors Key Requirements for Transmission Line Conductors The materials selected for overhead transmission lines must satisfy the following essential properties: Low cost of construction Low electrical resistivity High electrical conductivity Low temperature coefficient of resistance High current-carrying capacity Adequate mechanical strength Good weather resistance and corrosion resistance Sufficient elasticity for mechanical stability Among available metals, copper, aluminum, and steel are widely considered. In practice, these are often used individually or in composite forms (e.g., ACSR – Aluminum Conductor Steel Reinforced). Copper vs. Aluminum – A Technical Comparison Conductivity: Copper has the highest conductivity among common conductor materials. Aluminum offers about 61% of copper’s conductivity . Weight: For the same resistance, aluminum weighs nearly half that of...

In every domestic, industrial and commercial establishment there is need of electricity and for measuring power consumption energy meters are installed in all establishments. For domestic connections usually direct meters are used means power supply wires are directly connected at input and output is withdrawn from its output and for large and commercial establishments CT operated energy meters are used as direct meters are not feasible to install as size of these energy meters will be very high. It is usually recommended to install CT operated meters if load requirements from energy meters are more than 15 KW. CT operated meter is most preferable meters in all establishments as they are easy to install and operation is very simple. In this article we study about installation of energy meters both Houses and as well as commercial and industrial establishments:- In Domestic connections both single phase and three phase energy meters are used:- For single phase meters...

Phase preventer are used in industries are having following advantages:- 1.        They uses to protect the motors and electrical systems in case of one/ two phase failure in three phase power system i.e. they can protect the system from single phasing. 2.        They protect the system in case phase sequence gets changed and phase sequence protects the system so that motors could not start operating in reverse direction. 3.        They also protect the system when voltage level falls below a particular level. Phase preventer is also named as single phase preventer. Installation of Phase preventer in electrical systems:- Phase preventer consists of following:- 1.        Terminals for Three phase supply 2.        Terminals for auxiliary supply 3.        NO/ NC contact for interlocking ...

Energy savings with efficient motors — why it matters  Motors power virtually every industry and commercial facility. Because motors typically account for the majority of industrial electricity use, improving motor efficiency is one of the fastest ways to cut energy bills, reduce carbon emissions and improve profitability. Key facts: In many industries, motors account for ~70% of total electrical consumption . Over a motor’s lifetime, ~88% of total lifecycle cost is energy cost (purchase, maintenance and downtime account for the rest). → This makes efficiency improvements extremely cost-effective. How premium/high-efficiency motors reduce losses Extra-premium / high-efficiency motors achieve lower losses by: Reducing stator copper losses — more active copper/optimized winding designs. Reducing core (iron) losses — higher-grade silicon steel and better lamination. Reducing friction & windage losses — improved fan and bearing design. Better thermal ...

Extension board as the name implies it is used for extending the circuit means providing the power supply at the desired place. Extension boards are part of every house ,every commercial establishment and even every industrial establishment. Extension boards are readily available in the market and these can be designed as per requirements. There is very simple circuit diagram of an extension board. You can design extension board from one switch socket to as many as you required. It is easy to design the extension board at home very easily and it is very cheap method of constructing the extension board instead of buying the same as it is very costly affair. Extension board consists of following:- 1. Switches 2. Sockets 3. Extension cord 4. Box on which switch sockets mounted Below is the method for making an extension board. Circuit diagram for the same is as shown below:- Phase is circulated in sockets through switches and neutral and earth are connected at every soc...

Inverter Air Conditioners Explained: Benefits, Drawbacks, and Payback Period Air conditioners (ACs) have become a necessity in modern households and offices. Traditionally, air conditioners used fixed-speed compressors , which run continuously at full load until the set temperature is reached and then shut down completely. This cycle of frequent starting and stopping not only increases power consumption but also reduces the life of the equipment. With the introduction of Inverter technology , the way air conditioners consume power has changed dramatically. Inverter ACs are more efficient, quieter, and better suited for varying room conditions. How Inverter Air Conditioners Work Inverter ACs are equipped with an inverter circuit that controls the compressor’s motor speed . Unlike traditional ACs that run at full speed, inverter ACs adjust compressor speed based on the cooling demand. When the room is hot, the compressor runs at higher speed. Once the desired temperature is...