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Showing posts from September, 2025

Ac line detector circuit

शारदीय नवरात्रि की समस्त प्रदेशवासियों को हार्दिक शुभकामनाएं एवं माता के नौ स्वरूपों में प्रथम स्वरूप "मां शैलपुत्री" के चरणों में कोटि-कोटि वंदन।

शारदीय नवरात्रि की समस्त प्रदेशवासियों को हार्दिक शुभकामनाएं एवं माता के नौ स्वरूपों में प्रथम स्वरूप "मां शैलपुत्री" के चरणों में कोटि-कोटि वंदन।  मां की कृपा से सभी के जीवन में सुख, समृद्धि एवं मंगल का आगमन हो, यही प्रार्थना है।  ।। ॐ शं शैलपुत्री दैव्ये नमः ।। #मां_शैलपुत्री #नवरात्रि

नवरात्रि का यह दिवस माँ दुर्गा के दूसरे स्वरुप माँ ब्रह्मचारिणी का है जो सदैव अपने भक्तों पर कृपादृष्टि रखते हुए उनके सभी कष्टों का हरण करती हैं। मेरी प्रार्थना है कि माँ सभी का कल्याण करें।

ब्रह्मचारयितुम शीलम यस्या सा ब्रह्मचारिणी। सच्चिदानंद सुशीला च विश्वरूपा नमोस्तुते। नवरात्रि का यह दिवस माँ दुर्गा के दूसरे स्वरुप माँ ब्रह्मचारिणी का है जो सदैव अपने भक्तों पर कृपादृष्टि रखते हुए उनके सभी कष्टों का हरण करती हैं। मेरी प्रार्थना है कि माँ सभी का कल्याण करें। #Navratri #DurgaPuja2025

Three-phase motor power circuit.

Solar Power System Connection Diagram

"Solar Power System Connection Diagram" Brief Explanation:  The diagram shows how to connect a solar panel system with its main components. The solar panel generates electricity and sends it to the solar charge controller, which regulates the charging of a 12V battery. The stored energy in the battery is then connected to a power inverter, which converts DC power to AC for household devices. Additional components like fuses, terminals, and connectors ensure safe and efficient operation. The system can also power devices such as MP3/USB/BT players directly.

JIT makes companies lean and efficient by keeping only what’s needed when it’s needed. But it comes with risks if the supply chain isn’t reliable.

JIT makes companies lean and efficient by keeping only what’s needed when it’s needed. But it comes with risks if the supply chain isn’t reliable.

CT vs PT

●If unreliable → false tripping or no protection → major system failure. (2) Safety ●Provides electrical isolation between HV/HC circuits and measuring instruments. ●Prevents electric shock, fire hazards, and equipment damage. ●Protects operators and sensitive meters/relays. ●(3) Durability ●Made with high-quality insulation, epoxy/oil filling, robust cores. ●Withstand heat, voltage surges, mechanical vibration, and harsh weather. ●Long life with minimal maintenance, even in outdoor substations. (4) Efficiency ●CT/PT consume very little power (low burden). ●Do not affect the efficiency of the main circuit. ●Enable efficient system monitoring and control without adding load. (5) Accuracy ●Designed with specific accuracy classes (e.g., 0.2, 0.5, 1.0 for metering; 5P, 10P for protection). ●Accuracy is vital for:        ☆Correct billing (energy meters).         ☆Precise fault detection (relays). ☆Stable system operati...

Benefits of Kiwi

Benefits of Kiwi 1. Rich in Vitamin C Kiwi contains more vitamin C than oranges. Vitamin C boosts the immune system, helps in collagen production, and accelerates wound healing. It also acts as a strong antioxidant, protecting cells from free radical damage. 2. High Fiber Content Kiwi is rich in dietary fiber. Fiber aids bowel regularity, prevents constipation, and improves gut health. It also helps regulate blood sugar levels and lowers cholesterol. 3. Rich in Antioxidants Kiwi contains vitamin C, vitamin E, and polyphenols that act as antioxidants. These reduce oxidative stress, delay aging signs, and lower the risk of chronic diseases such as heart disease and cancer. 4. Contributes to Skin Health Vitamin C promotes collagen synthesis, keeping skin firm and youthful. Antioxidants help fight wrinkles, ache, and sun damage. The hydration and nutrients improve overall skin glow. 5. Supports Eye Health Kiwi is rich in lutein and zeaxanthin, which protect the eyes from harmfu...

AUTOMATIC CHANGEOVER SWITCH CONNECTION

This is a contactor holding circuit wiring diagram.

This is a contactor holding circuit wiring diagram, commonly used for motor control or any application where a circuit needs to remain energized after a momentary pushbutton is released. Here's a breakdown of how this works: 👇 Components Involved: Contactor (CJX2 5011) – Controls the main circuit. Start Button (Green) – Normally Open (NO). Stop Button (Red) – Normally Closed (NC). Control Power Supply (MCB) – Provides control voltage (e.g., 230V AC). Auxiliary Contact (NO) – On the contactor, used for holding. Wiring Explanation: Power Supply: Phase (P) and Neutral 👎 are coming from the MCB. Phase goes through the STOP button (NC), then to the START button (NO), and to the A2 coil terminal of the contactor. Neutral is directly connected to A1. Operation: Pressing the START button completes the circuit momentarily. This energizes the contactor coil, pulling in the contacts. One of the NO auxiliary contacts of the contactor is wired in parallel with the START button – t...

Active vs Passive electronic components

metal detector circuit

Metal Detector Circuit Using BC547 Transistors This simple electronic circuit is a basic metal detector built using three BC547 NPN transistors, an LED, a buzzer, a resistor (330Ω), a copper wire coil, and a 12V battery. The copper coil acts as a sensor: when it detects the presence of metal, it changes the magnetic field, triggering the transistors. This activates the LED and buzzer, providing both visual and audio alerts. It is a beginner-friendly project for understanding how transistors can be used in detection circuits.

What is Transformer // 20 questions and answers about Transformers

20 questions and answers about Transformers 1- What is Transforme Answer: A transformer is a type of stationary electrical device that changes the voltage of electricity but keeps the frequency unchanged. 2- What is the main function of a transformer? Answer: Step-up or step-down voltage. 3- On what principle does a transformer work? Answer: On the principle of electromagnetic induction. 4- How many coils does a transformer have? Answer: Mainly two – primary coil and secondary coil. 5- Why don't transformers work on DC? Answer: Because the flux does not change in DC, electromagnetic induction does not occur. 6- Where are power transformers used? Answer: In substations and power transmission systems. 7- What is the function of a distribution transformer? Answer: Providing electricity at a voltage suitable for the consumer. 8- What material is the core of a transformer made of? Answer: With silicon steel lamination. 9- Why is oil used in transforme...

Electric motor control panel wiring diagram, with the following main components

Electric motor control panel wiring diagram, with the following main components:  Power Circuit: Uses a 220V-3-60Hz source connected to a circuit breaker (DJG), contactor (K1), and thermal overload relay (RS) to control the motor (M).  Control Circuit: Involves emergency buttons (B01, B02) and a start button (BL) to activate the contactor (K1).  Additional Components: There is also a DC power supply (FC) that produces 24V for the control circuit, as well as several terminal blocks for connection.  Function: This diagram shows how the motor is started, stopped, and protected from overload using a combination of power and control components.

Control Valve Calibration Using 4-20 mA Signal

Control Valve Calibration Using 4-20 mA Signal #fbpost2025シ #busbarsystem #132kvsubstation #SingleLineDiagram #ElectricalProtection #cables #motor #asiacup2025 #AsiaCupLive  #ControlValve   #ValveCalibration   #Instrumentation   #ProcessControl   #420mASignal   #PneumaticValve   #Calibrator   #StrokeTest   #AutomationEngineering

Multi-channel CCTV installation diagram with recorder, switch, camera and monitor.

Multi-channel CCTV installation diagram with recorder, switch, camera and monitor.

220V speed/power control circuit

देशवासियों को नवरात्र की शुभकामना देते हुए प्रधानमंत्री नरेन्द्र मोदी ने सोमवार को जीएसटी दरों में सुधार को आत्मनिर्भर भारत अभियान की दिशा में बड़ा कदम बताया है।

देशवासियों को नवरात्र की शुभकामना देते हुए प्रधानमंत्री नरेन्द्र मोदी ने सोमवार को जीएसटी दरों में सुधार को आत्मनिर्भर भारत अभियान की दिशा में बड़ा कदम बताया है। उन्होंने कहा कि इससे विकसित भारत का सपना तेजी से पूरा होगा। छोटे उद्योगों एवं कारोबारियों की सुविधाएं बढ़ेंगी। साथ ही देशवासियों की प्रतिवर्ष लगभग 2.5 लाख करोड़ रुपये तक की बचत होगी। पीएम ने इन बदलावों को 'जीएसटी बचत उत्सव' बताया।   जीएसटी की नई दर लागू होने से एक दिन पहले ही प्रधानमंत्री ने देश के नाम संबोधन किया था। सोमवार को जब यह लागू हो गया तो जनता के नाम अपने पत्र में प्रधानमंत्री ने कहा कि यह देखकर बहुत अच्छा लगा कि कई दुकानदारों ने यह तख्ती भी लटकाई की किसी वस्तु की पहले क्या दर थी और अब क्या है।   उन्होंने कहा कि नए जीएसटी सुधारों से किसान, महिला, युवा, गरीब, मध्यमवर्गीय परिवार, व्यापारी और छोटे उद्योग सभी को सीधा लाभ होगा। सबसे बड़ी राहत यह है कि अब जीएसटी स्लैब को सरल कर दिया गया है। सिर्फ दो दरें ही प्रमुख रूप से लागू होंगी। खाने-पीने की वस्तुएं, दवाइयां, साबुन, टूथपेस्ट सहित रोजमर्रा...

What is Melanoma Tumor

What is Melanoma Tumor Melanoma tumors ek tarah ka skin cancer hai jo melanocytes se shuru hota hai, ye cells melanin produce karte hain jo skin ko rang deta hai. Melanoma sabse khatarnak skin cancer mana jata hai kyunki ye tezi se badh sakta hai aur agar jaldi pakda na jaye to dusre angon tak fail sakta hai (metastasize) aur treatment mushkil ho jata hai. Melanoma kya hai? Melanoma ek cancer hai jo tab hota hai jab melanocytes aniyantrit tareeke se badhne lagte hain, jisse tumor banta hai. Zyada tar melanoma skin mein hota hai, lekin ye aankhon (uveal melanoma), muh, ya kabhi-kabhi doosre organs mein bhi ho sakta hai. Melanoma ke prakar Kuch important prakar hain: Superficial spreading melanoma: Sabse common, skin ke upar failta hai. Nodular melanoma: Ubhra hua, tezi se skin ke gehre hisse mein badhta hai. Lentigo maligna melanoma: Zyada tar buzurgon mein, sun-damaged skin par dheere badhta hai. Acral lentiginous melanoma: Haathon ke talon, paon ya naakhun ke neeche hota hai, adhik ta...

Electrical Distribution Panel with Changeover Switch

Electrical Distribution Panel with Changeover Switch Explanation: The image shows an electrical distribution panel equipped with miniature circuit breakers (MCBs), a digital voltage meter, and a 125A changeover switch (CSS). The panel is designed to control, protect, and switch between two power sources (Normal "N" and Reserve "R") to ensure continuous electricity supply.

Generator to Home Connection

Control and power circuit for a star-delta starter (Triangular star starter). The following are the main components and their functions: Guardamotor 3P (Motor Protection Circuit Breaker 3P): Protects three-phase motors from overloads and short circuits. Magnetothermic 2P (Miniature Circuit Breaker 2P): A two-pole circuit breaker to protect the control circuit. Timer TOP 36 (Timer TOP 36): A timer that controls the transition from star to delta connection of the motor. Stop Push Button Red (Red): Emergency or normal stop button to stop motor operation. Start Push Button Green (Green): Button to start motor operation. Main Contactor K1 (Main Contactor K1): The main contactor that connects the motor to the power source. K2 Triangulo Contactor (Delta Contactor K2): A contactor that connects motor windings in a delta configuration. K3 Estrella Contactor (Star Contactor K3): A contactor that connects motor windings in a star configuration. 3P Motor: A three-phase electric motor controlled by this circuit.

Capacitor Wiring Diagram for Motor Description: This shows wiring connections of a capacitor, live (L), neutral (N) wires, and motor terminals (C, R, S) for proper motor startup and operation.

Simple 12V Battery LEVEL Indicator Circuit Diagram .

Learn how to build a simple 12V battery level indicator circuit with our easy-to-follow diagram. This circuit is perfect for monitoring the voltage of your 12V battery and alerting you when it's time to recharge. With this circuit, you'll be able to keep track of your battery's voltage level and avoid over-discharging or over-charging. Our circuit diagram is simple and easy to understand, making it perfect for beginners and experienced electronics enthusiasts alike. Whether you're working on a DIY project or just want to keep an eye on your battery's health, this 12V battery level indicator circuit is a great solution.  Welcome back, everyone! Today, we're diving into a simple yet effective project—a 12V battery level indicator circuit diagram. In this video, we'll guide you through creating a circuit that helps you monitor your battery's voltage levels easily. This is essential for anyone who uses 12V batteries for projects, vehicles, or renewable energ...