Generator Size Calculator

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Generator Size Calculator

Appliances aur motors ke running load, starting surge, phase, power factor, altitude, temperature aur future margin se recommended generator kVA, fuel use aur operating cost estimate karein.

Generator Load Schedule

EquipmentQtyRun WStart x
Electrical aur Site Conditions
Fuel aur Operating Cost
Please running watts, starting multiplier, phase, voltage aur site/fuel fields mein valid values bharein.

Recommended Generator

Standard Generator Rating12.5 kVASingle Phase Diesel Generator
RUNNING LOAD2.64 kW
STARTING PEAK5.24 kW
OUTPUT CURRENT67.9 A
MONTHLY FUEL59 L
Total Connected Running Load2.64 kW
Diverse Running / Starting Peak2.24 / 5.24 kW
Altitude / Temperature Derating0.0% / 0.0%
Calculated Minimum Rating7.86 kVA
Generator Loading at Run26.4%
Suggested ATS / Main Breaker80 A / 80 A
Fuel Use per Hour0.63 L/hour
Tank Runtime39.7 Hours
Monthly Fuel / Operating Cost50.2 L / ₹4,768
Generated Energy Cost₹26.60/kWh
Annual CO2 Emission1.61 Tonnes
Largest Starting LoadAir Conditioner - 4.50 kW
Starting GuidanceStagger Motor Starts

Mobile aur desktop par direct single-page A4 PDF download hoti hai.

Generator Size Calculator ke features

Dynamic Equipment
Motor Starting Surge
Single/Three Phase
Altitude Derating
Temperature Derating
Standard kVA Size
Fuel & Tank Runtime
Cost & CO2

Equipment rows add ya delete karke home, shop, office, farm aur small worksite ka generator load schedule banayein. Motor, compressor, pump aur AC ke starting multipliers size par important impact dalte hain. Ghar ke kaun se heavy appliances generator par sabse zyada load daalte hain, yeh janne ke liye hamara guide Ghar Mein Sabse Zyada Bijli Khane Wale Appliances padhein.

Generator kVA ka formula

Diverse running load mein sabse bada additional starting surge add hota hai. Future margin aur site derating apply karke power factor se kVA nikali jati hai, phir next common standard size select hota hai. Pure ghar ka bijli kharcha aur load manage karne ke liye Ghar Ka Bijli Bill Kam Karne Ke Tarike guide zaroor dekhein.

Generator Size Calculator FAQs

Starting multiplier kya hai?

Motor ya compressor start hote waqt running watts se kai guna temporary power le sakta hai. Soft starter ya VFD se surge kam ho sakta hai; manufacturer data use karein.

Altitude aur temperature derating kyon hoti hai?

High altitude par air density kam aur high temperature par cooling weak hoti hai, jisse engine-generator output reduce ho sakta hai.

Fuel use exact hoga?

Nahi. Specific fuel consumption editable estimate hai. Actual fuel use generator model, loading, maintenance, fuel quality aur ambient condition par depend karta hai.

Single ya three phase kaise choose karein?

Load type, available distribution, motor phase aur balancing check karein. Three-phase generator par single-phase loads ko phases mein balance karna zaroori hai.

Kya mobile PDF chalegi?

Haan. Button Android print service open nahi karta; direct BijliBee branded single-page A4 PDF download karta hai.

Disclaimer: Yeh preliminary generator estimate hai, final engineering selection nahi. Generator datasheet, motor locked-rotor current, nonlinear UPS loads, harmonics, phase imbalance, altitude/temperature curve, earthing, neutral, ATS, breaker coordination, exhaust, ventilation, noise aur fire safety qualified engineer se verify karein.
Satyam Kumar Yadav, Founder and Creator of BijliBee
WRITTEN & REVIEWED BY

Satyam Kumar Yadav

Founder and Creator of BijliBee. Satyam electricity calculations, practical energy-saving tools aur simple Hinglish guides ko aam users ke liye aasan banane par kaam karte hain.