Generating Stations and Types
Aaj hum baat karenge power plants ke baare mein – yaani “Generating Stations.” Ye bade hi interesting topic hai, especially electrical engineering ke students aur energy enthusiasts ke liye. Power plants hoti hain electrical energy generate karne ke liye, jisse humare ghar, offices aur industries chalti hain. Aaj ke iss post mein hum cover karenge:
- Power Plant kya hoti hai?
- Classification of Power Plants
- Types of Power Plants (Thermal, Hydro, Nuclear, etc.)
- Short Tricks & Examples (fun & easy yaad rehne ke liye)
1. Power Plant Kya Hai?
Power plant ko hum simple Hindi mein bole to “Generating Station” kehte hain. Ye ek aisi facility hai jahan par kisi bhi energy source (jaise coal, water, nuclear fuel, etc.) ko convert karke electrical energy banai jaati hai. Trick yaad rakhne ke liye: “Plant = Energy ka Factory”.
2. Classification of Power Plants
Power plants ko do main categories mein baanta ja sakta hai:
- Based on Fuel Used: Thermal, Hydro, Nuclear, Gas, Diesel
- Based on Load: Base Load, Peak Load, Load Following
Base load wo power hai jo constant demand hoti hai (jaise residential), aur peak load hoti hai jab high demand period (jaise evening time) hota hai.
3. Types of Power Plants
3.1 Thermal Power Plants
Ye sabse common type hai. Yahan par coal, gas ya oil burn karke boiler mein steam banai jaati hai, jo turbine ko ghumati hai. Phir generator se electricity nikalti hai.
Short Trick: “Tea-M” – Tea for Thermal, M for Mechanical (turbine) → Electricity.
Example: NTPC power stations in India jaise Vindhyachal, Singrauli, etc.
3.2 Hydro Power Plants
Yahan water potential energy se electricity banate hain. Dam bana ke pani ko upar store karte hain, jab pani niche girta hai to turbine ghumta hai.
Short Trick: “H₂O → H₂GlO” – H₂O (water) se Hydro power.
Example: Bhakra Nangal, Tehri Dam.
3.3 Nuclear Power Plants
Yahan nuclear fission se heat generate hoti hai, jisse steam ban kar turbine ghumti hai. Carbon footprint bahut kam hota hai, par safety challenges hote hain.
Short Trick: “Nuke = No CO₂, But Big safety issues.”
Example: Tarapur, Kudankulam.
3.4 Gas Turbine Power Plants
Ye open cycle ya combined cycle mein hote hain. Natural gas burn karke turbine direct chalate hain.
Short Trick: “GT = Gas Turbo → Go Turbo fast.”
3.5 Diesel Power Plants
Emergency backup ke liye hota hai. Diesel engine chalta hai, small capacity ke liye sahi.
Short Trick: “Diesel se Diesel” – Emergency jaldi se start.
4. Load-Based Classification
Apart from fuel type, plants ko load ke hisaab se bhi divide karte hain:
- Base Load Plants: Continuous chalte rehte hain (e.g., Thermal, Nuclear).
- Peak Load Plants: High demand time pe chalte hain (e.g., Diesel).
- Load Following: Demand ke hisaab se ramp up/down karte hain (e.g., Hydro).
5. Why Ye Classifications Important?
- Cost Efficiency: Thermal & Nuclear base load ke liye sasta, Diesel expensive but fast start.
- Flexibility: Hydro & Gas plants quick response.
- Environmental Impact: Coal se pollution, Nuclear minimal CO₂ but radioactive waste.
6. Familiar Examples & Daily Life Connection
- Jab light ghar mein jati hai, majority Thermal plant se supply aati hai.
- Monsoon season mein Hydro power zyada chalti hai (water availability).
- Peak evening load mein Diesel plants standby hote hain.
7. Future Trends
Renewable sources jaise Solar, Wind hybrid plants bhi design ho rahe hain. Solar-thermal combined cycle power plants research mein hain.
Download DIGI NOTES PDF
