If you’re looking for a 30kVA generator, you need accurate specs, real pricing, fuel consumption data, and a clear ROI analysis before making a purchase decision. This guide provides all of that — plus industry-specific Scenariji primjene, zahtjevi usklađenosti, and a 10-question FAQ to address the most common concerns.
As a manufacturer with 20+ years of experience exporting Generatori do 80+ zemljama, HuaQuan Power has compiled this reference based on real project data and customer feedback. Whether you’re powering a hospital, podatkovni centar, or manufacturing plant, this guide will help you choose the right configuration.
30kVA Generator Specifications
Below are the standard specifications for a 30kVA diesel generator. Engine and alternator options vary by configuration — see the engine comparison table for details.
| Parametar | Vrijednost |
|---|---|
| Glavna moć | 24 kW / 30kVA |
| Napajanje u stanju pripravnosti | 26 kW / 33kVA |
| Rated Voltage | 400V/230V (50Hz) or 480V/277V (60Hz) |
| Faktor snage | 0.8 oklijevanje |
| Faza | 3-Faza / 4-Wire |
| Engine Options | Cummins A-Series (A2.3/A3.3/A4.5) |
| Alternator Options | Stamford / Leroy-Somer / Maraton |
| Upravljačka ploča | Deep Sea DSE6120 / ComAp InteliLite |
| Base Fuel Tank | 50L (8h runtime at 75% opterećenje) |
| Starting System | 24V DC electric start |
| Alternator Protection | IP23 standard, IP44 optional |
| Težina (Open Type) | 740 kg (cca) |
| Težina (Tihi tip) | 1,000 kg (cca) |
Engine Options Comparison
The 30kVA generator is available with multiple engine brands. Each has distinct advantages depending on your priorities — fuel efficiency, dostupnost dijelova, emissions compliance, or budget.
| Marka motora | Model | Ključna prednost | Emisije |
|---|---|---|---|
| Cummins A-Series | A2.3/A3.3/A4.5 | Učinkovitost goriva & global parts | Razina EPA 4 Konačna / Stage V |
| Perkins 400 Niz | 403/404 | Kompaktan dizajn & niska buka | Razina EPA 4 Konačna / Stage V |
30kVA Fuel Consumption
Fuel consumption is one of the most important operating costs. Below are estimated diesel consumption rates at different load levels. Actual rates may vary by engine brand, temperatura okoline, and altitude.
| Razina opterećenja | Consumption (L/h) | Consumption (gal/h) | Dnevni trošak (8h, $1.20/L) |
|---|---|---|---|
| 25% Opterećenje | 2.5 | 0.7 | $24 |
| 50% Opterećenje | 4.5 | 1.2 | $43 |
| 75% Opterećenje | 6.8 | 1.8 | $65 |
| 100% Opterećenje | 9.0 | 2.4 | $86 |
Fuel Tank Sizing Calculator
To determine the minimum fuel tank size for your required runtime:
Formula: Tank Size (L) = Fuel Consumption at 75% Opterećenje (L/h) x Required Runtime (h) x 1.1 (10% sigurnosna granica)
- 8-sat izvođenja: 59L minimum
- 24-sat izvođenja: 178L minimum
- 48-sat izvođenja: 356L minimum
For extended runtime, consider an external day tank with automatic fuel transfer, or a dual-fuel (dizel + prirodni plin) konfiguracija. See our Generator Fuel Consumption Guide for detailed calculations.
30kVA Generator Price
Pricing varies significantly based on enclosure type, engine brand, and optional features. Below are indicative FOB prices from a China-based manufacturer.
| Konfiguracija | Price Range (USD) | Lead Time |
|---|---|---|
| Open Type (Skid-Mounted) | $6,000 – $8,400 | 15-25 dana |
| Tihi tip (Soundproof Canopy) | $7,800 – $10,800 | 20-30 dana |
| Kontejneriran (20stopa/40 stopa) | $9,600 – $13,200 | 30-45 dana |
| Trailer-Mounted (Mobilni) | $10,800 – $15,000 | 25-35 dana |
Ukupni trošak vlasništva (5-Year TCO)
The purchase price is only part of the cost. Nad 5 godina, fuel and maintenance dominate TCO:
| Troškovna komponenta | Estimated 5-Year Cost |
|---|---|
| Kupiti (Tihi tip) | $9,300 |
| Montaža & Commissioning | $1,800 |
| Gorivo (2000h/year at 75% opterećenje) | $81,000 |
| Održavanje (Ulje, Filteri, Servis) | $450 |
| Total 5-Year TCO | $92,550 |
Applications by Industry
The 30kVA generator serves different roles depending on the industry. Below are the most common applications with specific requirements and compliance standards.
Bolnica & Healthcare
Hospitals require NFPA 110 compliance for emergency power systems. The generator must achieve rated frequency and voltage within 10 seconds of utility failure (Tip 10 sustav). For 30kVA units, this typically serves operating rooms, ICU wards, and life support equipment.
- Automatski prijenosni prekidač (ATS) required — transfer time <10 sekundi
- Redundant fuel supply (on-site tank + emergency fuel delivery contract)
- Weekly no-load test + monthly load bank test (NFPA 110 Odjeljak 8.4)
- Sound level: canopy type recommended (hospital zones typically require <65dB at 7m)
Podatkovni centar
Data centers classified as Tier III or Tier IV require N+1 or 2N generator redundancy. A 30kVA unit can support approximately 21kVA of IT load after accounting for cooling and PDU losses.
- Paralleling capability required for N+1 redundancy
- 48-72 hour on-site fuel storage minimum
- Ultra-fast ATS (transfer time <150ms for mission-critical Tier IV)
- Compatible with UPS systems for ride-through power
Manufacturing Plant
Manufacturing downtime costs range from $5,000 do $50,000+ per hour depending on the product line. A 30kVA generator can support production lines, compressed air systems, and process cooling for facilities up to 240 sqm.
- Motor starting capacity: verify locked-rotor kVA for large motors (typically 6x FLA for across-the-line starting)
- Consider soft starters or VFDs to reduce inrush current
- Process-critical loads should be on UPS-backed circuits
Construction Site
Temporary power for construction sites demands rugged, portable solutions. A 30kVA trailer-mounted unit provides power for tower cranes, concrete batch plants, welding equipment, and site offices.
- Trailer-mounted or skid-mounted with lifting eyes
- Nadstrešnica otporna na vremenske uvjete (IP55 for dust and rain protection)
- Fuel consumption monitoring to prevent run-dry shutdowns
- Multiple power outlets (400V 3-phase + 230V 1-phase distribution boards)
Mining Operations
Mining environments require generators rated for high altitude, ekstremna prašina, and continuous heavy-load operation. A 30kVA unit typically powers ventilation fans, submersible pumps, and ore processing equipment in underground or open-pit mines.
- Deratizacija: power reduces ~3% per 500m above 1000m altitude
- Heavy-duty air filtration (pre-cleaner + glavni filter)
- Explosion-proof options for hazardous gas zones (ATEX Zone 1/2)
Poljoprivreda & Farming
Agricultural applications include irrigation pumping, grain drying, cold storage, and livestock facility climate control. A 30kVA generator provides reliable power where grid connections are unstable or unavailable.
- Irrigation pump starting: verify motor starting kVA (submersible pumps require high starting torque)
- Automatic mains failure (AMF) panel for unattended operation
- Biogas or dual-fuel options available for farms with biogas digesters
ROI Analysis
The return on investment for a 30kVA generator depends on your industry’s cost of downtime. Below are three scenarios:
| Metrički | Bolnica | Podatkovni centar | Tvornica |
|---|---|---|---|
| Downtime Cost/hour | $15,000 | $50,000 | $10,000 |
| Generator Investment | $9,300 | $13,200 | $7,800 |
| Payback (1 outage event, 4h) | 0.2 događanja | 0.07 događanja | 0.2 događanja |
| Annual Savings (2 outages/year) | $120,000 | $400,000 | $80,000 |
Key Insight: Even a single 4-hour outage event justifies the investment for most commercial and industrial applications. Za podatkovne centre, the generator pays for itself after less than one outage event.
FAQ
1. How do I size a 30kVA generator for my facility?
Add up the running kW of all loads, then apply a 1.25x diversity factor for non-simultaneous loads. Add motor starting kVA (typically 6x FLA for DOL starting). Ensure the generator’s standby rating exceeds your total demand. See our Generator Sizing Guide for step-by-step calculations.
2. What is the difference between prime and standby power?
Prime power means the generator can run continuously at variable loads with no limit on hours per year. Standby power is the maximum output available for emergency use only (tipično <200 sati/godina). The 30kVA rating is prime power; standby rating is approximately 33kVA.
3. Can I run a 30kVA generator in parallel with another unit?
Da. With a synchronizing panel and appropriate control modules (npr., Deep Sea DSE8610 or ComAp InteliGen), do 10 generators can be paralleled for increased capacity or N+1 redundancy. Paralleling requires matched voltage, frekvencija, and phase angle.
4. What maintenance schedule does a 30kVA generator need?
Oil and filter change every 250 radno vrijeme ili 6 mjeseca (što prije dođe). Air filter replacement every 500 hours or annually. Coolant replacement every 2 godina. Load bank test monthly for standby units. Full service inspection annually.
5. How long can a 30kVA generator run continuously?
With the base fuel tank (50L), približno 4 sati u 75% opterećenje. With an external day tank, 24-48 hours is standard. For continuous prime power applications, weekly shutdown for oil checks is recommended.
6. Does a 30kVA generator meet emissions regulations?
Models with Cummins A-Series engines meet EPA Tier 4 Konačna (SAD) and EU Stage V standards. For regions with less stringent requirements, Razina 2 or Tier 3 options are available at lower cost. Always verify local emissions requirements before purchasing.
7. What is the expected lifespan of a 30kVA generator?
A well-maintained diesel generator typically lasts 20,000-30,000 running hours before major overhaul. For standby applications (200 sati/godina), that translates to 50-100 godina. For prime power applications (6,000 sati/godina), expect 3-5 years before overhaul.
8. What is the noise level of a 30kVA silent generator?
Open type: 95-105 dB(A) i 1m. Tihi tip (soundproof canopy): 65-75 dB(A) i 7m, suitable for residential areas and hospital zones. Super-silent options can achieve <60 dB(A) at 7m with residential-grade exhaust silencers.
9. Can I convert a 30kVA diesel generator to run on natural gas?
Dual-fuel conversion kits are available (tipično 70% dizel + 30% gas or full gas conversion). Gas derating is approximately 15-20% reduction in output. Biogas options are also available for agricultural applications with methane capture.
10. What warranty does HuaQuan Power offer?
Standard warranty: 12 months from delivery or 1000 radni sati (što prije dođe). Extended warranty options up to 5 years are available. Warranty covers engine, alternator, and control system manufacturing defects.
Related Power Ratings
Learn More
Need a quote for a 30kVA generator? Kontaktirajte HuaQuan Power for factory-direct pricing with detailed technical proposals.
⚡ Istražite srodna rješenja
- 🏭 500kW Diesel Generator
- 🏭 1000kW Diesel Generator
- 🏭 500kW YC dizel generator
- 🔧 KMS (Cummins/Doosan) Niz
- 🔧 SC (SDEC) Niz
- 🏥 Data Center Generator Solutions
- 🏥 Rješenja bolničkih generatora
💡 Trebate prilagođeno rješenje? Kontaktirajte naš inženjerski tim za preporuke specifične za projekt.
