https://github.com/arkadip2007/power-supply-2.0

Power Supply Gen 2 for 400 W
https://github.com/arkadip2007/power-supply-2.0

powersupply project

Last synced: 4 months ago
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Power Supply Gen 2 for 400 W

Host: GitHub
URL: https://github.com/arkadip2007/power-supply-2.0
Owner: Arkadip2007
Created: 2025-04-17T08:42:17.000Z (about 1 year ago)
Default Branch: main
Last Pushed: 2025-04-17T16:57:13.000Z (about 1 year ago)
Last Synced: 2025-09-09T15:01:56.139Z (10 months ago)
Topics: powersupply, project
Language: HTML
Homepage: https://arkadip2007.github.io/Power-Supply-2.0/
Size: 11.6 MB
Stars: 0
Watchers: 1
Forks: 0
Open Issues: 0
Metadata Files:
- Readme: README.md

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README

# Power-Supply-2.0
Power Supply Gen 2 for 400 W

> This above image is Gen 2.o model. with 20 amp DC to DC

---

# ⚙️ Old Model (Gen 01) : 🔬 Github [link](https://github.com/akashdip2001/college-final-year-project/blob/main/README.md) & 🕸️ WebSite [link](https://akashdip2001.github.io/college-final-year-project/6%20sem%20powerSupply/index.html) ⚙️

https://github.com/user-attachments/assets/46dd8667-5b26-4def-98d9-c782ca856aed

---

**Input Power:**
1. The circuit starts with an AC mains input of **230V at 50Hz (Indian frequency)**.
2. The input is connected to a **transformer** (rated for 230V to the desired secondary voltage and 1.5A capacity).
- This step-down transformer reduces the voltage to a manageable level (as per your circuit design).

---

https://github.com/user-attachments/assets/54c876d5-d65f-4f25-b2e3-50d7e8fe2ed1

**Rectification Stage:**
3. The reduced AC voltage from the transformer is fed into a **full-wave rectifier circuit**, which is built using four **6A4 diodes** in a bridge configuration.
- The rectifier converts AC to pulsating DC.

---

**Smoothing Stage:**
4. A **470μF capacitor (35V)** is connected after the rectifier to smoothen the pulsating DC into a stable DC output.
- This capacitor filters out most of the ripples.

---

**Voltage Regulation Stage:**
5. The rectified and filtered DC is fed into **voltage regulator ICs (7815 and 7805)** for precise voltage outputs of **+15V** and **+5V**, respectively.
- These ICs ensure stable voltage outputs for different components in the circuit.

---

**Cooling Mechanism:**
6. To prevent overheating of the components, a **heat sink** is attached to the voltage regulators. Additionally, a **cooling fan** is integrated to dissipate heat efficiently.

---

**Output Stage:**
7. The circuit includes a **300W 10A 30V Buck Converter**, which adjusts the output voltage and current to meet the load's requirements.
- This component handles high power efficiently but is limited by the **5-8A current range**, as exceeding this will cause the circuit to overheat or fail.

---

**Control and Switching System:**
8. **Potentiometers (10kΩ)** are included for fine-tuning voltage and current levels.
9. **LED indicators** are used for status indication.
10. **Display module** shows the output voltage and current for monitoring purposes.

### ✅ **Control and Switching System**

[ pi poco w ]()

1. **Potentiometers (10kΩ)**:
- **Purpose**: To regulate voltage and current for the electroplating process.
- **Connections**:
- One potentiometer controls the **voltage** output from the buck converter.
- The other potentiometer controls the **current** flowing to the output probes (alligator clips connected to the cathode and anode).

2. **Black Switch**:
- **Purpose**: Master switch to turn the entire power supply system ON or OFF.
- **Connection**: Connected to the **primary side of the transformer**. Switching it ON energizes the entire system.

3. **Red Switch**:
- **Purpose**: Controls the output probes (cathode and anode). It allows you to start or stop the electroplating process without turning off the whole system.
- **Connection**: Placed on the output side after the buck converter, controlling power to the **alligator clips**.

### ⚠️ `Try to controll Wirelessly in Local Area Network (LAN) using Raspberry pi`

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### **Display System**

[](https://github.com/akashdip2001/college-project-6th-sem-Electroplating)

4. **Digital Display (Voltmeter + Ammeter)**:
- **Purpose**: Tracks the real-time voltage and current supplied to the electrolyte solution during the electroplating process.
- **Connections**:
- Voltage input is taken from the **buck converter output**.
- Current is measured using a **shunt resistor** in series with the output probes.

---

### **LED Indicators**
5. **Red LED (Process Indicator)**:
- **Purpose**: Indicates that the electroplating process has started, i.e., current is flowing through the electrolyte.
- **Connection**:
- Connected in **series** with the electrolyte and the alligator clips.
- It lights up only when the circuit is complete, and current flows through the electrolyte solution.

6. **Other LEDs (Status Indicators)**:
- There are **two additional LEDs** for general status indication (e.g., power ON/OFF).
- Connections:
- One LED is connected to the output of the **black switch** to indicate the system is ON.
- The second LED may indicate the buck converter is powered.

---
---

### Circuit Precautions:
- The system is designed to handle up to **5-8A current**; exceeding this limit can burn out the components (e.g., wires, capacitors).
- Ensure proper insulation and cooling to avoid electrical hazards.
- Use high-quality **soldering wire and connections** to maintain circuit integrity.

---

📌 Gen 01 Update

### Total Cost Breakdown:
As per your shared list, the total cost of the project is **₹3245** (Gen 01), including components and repair expenses. [Learn more](https://college-final-year-project.netlify.app/)

# Update `Gen 01` with Resistors (limit 9V 4amp) - March 2025