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Temperature plays a very important role in industrial processes. Every process is designed for particular temperature range. Out of the specified temperature range , can make the output defective. Which will increase the losses in the system. There are multiple types of temperature sensors are available. Such as “Thermocouple “and “RTD “(resistance temperature detector). Some process requires…

Energy meter reflecting KWH reading Whenever you see symbols like “KW“, “KVA“, “KWH “& “KVAH“. It feels like; these all are linked with Electricals even when you do not belongs to Electrical field. All these four terms are inter-related. Many people get confused between kW, kVA, KWH, and KVAH. However, each term has a different meaning and application in Electrical systems. In these post, We…

Electricity bills are rising every month — but most people don’t actually know where their money is going. What if you could: Identify power-hungry appliances Calculate your exact consumption Identify the losses Reduce your bill by 20–40% This guide shows practical methods + real calculations — not just theory. Before we proceed, We should learn how this electricity Bill is calculated…

Steps for calculation of electricity bill

Most people think electricity billing is simple: Units × Rate = Total Bill

But if you’ve ever looked closely at your bill, you already know… it’s not that simple.

🔍 What Actually Goes Into Your Electricity Bill?

Your electricity consumption is calculated as:

Units (kWh) = Current Meter Reading – Previous Reading

Sounds easy, right? But this is just the beginning.

Your final bill includes multiple components like:

✔️ Slab-based tariff rates (cost increases with usage) ✔️ Fixed charges based on your connection load ✔️ Fuel & power adjustment charges ✔️ Electricity duty and taxes ✔️ Additional charges (meter rent, etc.)

📊 Why Your Bill Feels “Too High”

Even a small increase in usage can push you into a higher slab. And that’s where your cost starts rising faster than expected.

👉 It’s not just about how much electricity you use 👉 It’s about how efficiently you use it

💡 What You’ll Learn in This Guide

• Step-by-step electricity bill calculation • Simple formula explanation • Real-life examples • How slab rates actually work • Practical tips to reduce your bill

🔗 Read the Full Article

⚡ Final Thought

Choosing the correct Miniature Circuit Breaker (MCB) is essential for any electrical system. A wrong selection can lead to frequent tripping, overheating, or even serious safety hazards.

But the good news? You can select the right MCB easily—if you follow the correct method.

⚡ Step 1: Calculate Total Load

Start by adding the power (in watts) of all connected devices.

Example: Fan + Lights + Appliances = Total Load (W)

🔌 Step 2: Convert Load into Current

Use this simple formula:

👉 Current (A) = Power (W) ÷ Voltage (V)

This gives you the actual current your circuit will draw.

🛑 Step 3: Choose the Right MCB

Select an MCB rating slightly higher than the calculated current.

This helps to: ✔ Prevent unnecessary tripping ✔ Ensure proper protection ✔ Handle small load variations

🔒 Why It Matters

Undersized MCB → Frequent tripping

Oversized MCB → Unsafe protection

Correct sizing = Safe + Reliable electrical system

📘 Learn Complete Step-by-Step Guide

I’ve explained everything in detail here: 👉 https://bijliwala.co.in/circuit-breaker/how-to-calculate-load-choose-the-correct-mcb/

💡 Final Thought

🌙 Ever wondered how engineers measure high voltage without getting anywhere near danger?

Meet the Potential Transformer (PT) ⚡

In power systems, voltages can go insanely high—far beyond what instruments can handle safely. That’s where PT comes in. It quietly steps down high voltage into a safe, measurable value… without losing accuracy.

🔍 What makes PT important?

Converts high voltage to standard low voltage

Ensures safe measurement & protection

Widely used in substations and panels

⚙️ It’s not just a transformer—it’s a precision tool that helps engineers see what’s happening inside a power system.

If you’ve ever looked at a control panel and wondered how readings stay accurate despite huge voltages… this is the answer.

👉 Read the full breakdown (working, ratio, specs & real use): https://bijliwala.co.in/transformer/potential-transformer-an-instrumental-transformer/

Electrical Load Electrical Load is actually a ‘power rating of electrical machine’. Electrical load is been represented with the term Wattage, in short “Watt“. There are 2 types of power to operated an Electrical load. That is; AC(Alternating current) and DC(Direct current). While AC power is further classified as “single phase” & “multiphase“ .DC power = Voltage * Current Single phase power…

Electrical wiring is the backbone of every home, but even small mistakes can lead to serious safety hazards. From electric shocks to fire risks, improper wiring is one of the most common cause of household electrical accidents. In this guide, We will discuss 10 common electrical wiring mistakes in homes. How to identify them, and what you can do to fix or avoid them. Whether you are a homeowner…

MCB tripping again and again? Or not tripping at all?Before replacing it, you should test whether the MCB is actually faulty. MCB is a type of protection device. MCB is used to be connected at the back end; before the electrical load. MCB stands for “Miniature circuit breaker“. MCB is a type of “switch cum circuit breaker“. MCB provides protection form “overload “& “short circuit”…

Identifications & markings are very important specially in Electrical. Otherwise; Every Electrical panel seems a puzzle. In this world, Where every second is important. We can not waste even a single second in finding the wires or locating the electrical components. Best electrical panel is the one which has the following characteristics : Every single component uniquely tagged & easily…

This post covers the following topics : What is an Induction Motor ? Working Principle of Induction MotorHow does an Induction Motor Work ?Power flow diagram of Induction motor Efficiency calculation of Induction motor Why Rotor Never Reaches Synchronous Speed?Slip of Induction motor Applications of Induction MotorAdvantages of Induction MotorWorking Principle of Induction Motor –…

Have you ever opened your electricity bill and felt shocked — even though your usage hasn’t changed much? You’re not alone. A sudden or steadily increasing electricity bill is a common problem in homes, shops, and small industries. In many cases, the reason is not the tariff, but hidden electrical issues inside your system. Let’s break down the 9 most common electrical reasons. These reasons…

📌 Introduction Electrical motors are designed to operate within a specific temperature range. When the temperature exceeds that limit, motor winding, bearings, insulation, and lifetime are affected. Overheating not only reduces efficiency but can also lead to breakdowns and unexpected shutdowns. In industries, overheating is one of the most common reasons for motor failures. This post further…

Introduction Both contactors and relays are switching devices used to control electrical circuits. They look similar in construction and working principle, but their applications, ratings, and functionalities are different. Understanding these differences is essential for designing motor control circuits, automation panels, and household control systems. Both relays & contactors contains an…

Introduction Electric power supply is mainly classified into single phase and three phase systems.Choosing the correct power supply is very important for homes, shops, and industries. In this article, we will explain single phase vs three phase power, their differences, advantages, disadvantages, and help you decide which is better and why. This post includes : Introduction What Is Single…

Ever seen an Electric motor from inside ? There is very minor air gap in between stator & rotor. Power transfers from stator to rotor takes place through air. Even due to air gap, rotor rotates with so much power. The Principle behind that transformation is known as “Faraday law of Electromagnetic Induction“. Which means Electrical power can transferred through an air in a form of…

In Electrical, There are two things ‘ON’ & ‘OFF’. Things seems pretty much simple. But Electricity is also dangerous if not handled in an appropriate way. It is the safety of human & safety of machines which makes the an Electrical system complex. In Electrical safety, MCB is the most basic tool. MCB Array of 8 single pole MCB; rated C6 MCB stands for “miniature circuit breaker”. This…