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500 kVA Generator Price: 2025 Cost Breakdown

If you are looking for a 500 kVA diesel generator, you need reliable technical data to make the right decision. This guide provides complete specifications, fuel consumption data, pricing, and selection advice for 500 kVA generator sets used in industrial, 商业的, and standby applications.

Quick Specifications: 500 kVA Diesel Generator

范围规格
额定功率500 千伏安
额定功率 (千伏安)500
燃料类型柴油机
Fuel Consumption @ 100% 加载105 升/小时
Fuel Consumption @ 75% 加载83 升/小时
Fuel Consumption @ 50% 加载61 升/小时
Open Set Noise Level110 分贝(一个)
Silent Enclosure Noise75 分贝(一个)
Dimensions (长×宽×高, 米)3.8×1.5×2.1
重量 (千克)5,500
Price Range (FOB)$40,000 – $75,000

Need a precise quote for your specific configuration? 联系我们 for a free customized proposal.

What Applications Use a 500 千伏安发电机?

一个 500 kVA diesel generator is a versatile power solution that serves multiple industries and applications:

  • 制造工厂: Provides backup power for production lines, ensuring zero downtime during grid outages. A single 500 kVA unit can support a mid-size factory with critical loads.
  • Commercial Buildings: Powers HVAC systems, 电梯, 灯光, and IT infrastructure in office buildings, shopping centers, 和酒店.
  • Healthcare Facilities: Serves as emergency backup for hospitals and clinics where power interruption is not an option. Must comply with NFPA 110 requirements for 10-second start. See our hospital generator 解决方案.
  • 数据中心: Provides Tier III/IV backup power for server rooms and network operations centers. Explore our data center generator options for mission-critical facilities.
  • 建筑工地: Powers heavy equipment, 灯光, and temporary facilities on remote job sites.
  • 采矿作业: Supplies continuous power for extraction equipment, 通风, and camp facilities in remote mining locations.

Fuel Consumption Details

Understanding fuel consumption is critical for calculating operating costs. 这 500 kVA diesel generator consumption varies significantly with load:

负载水平燃油消耗 (升/小时)每日费用 (24h @ $1.2/L)
100% (支持)105$3,024
75% (典型的)83$2,390
50% (Low load)61$1,757

重要的: Running a generator below 30% load for extended periods causes “湿堆放” — unburned fuel accumulates in the exhaust, reducing engine life. Always size your generator so the typical load is between 50-80% 额定容量.

Price Breakdown: What Affects the Cost?

The price of a 500 kVA diesel generator ranges from $40,000 到 $75,000 (FOB), depending on several factors:

1. 发动机品牌

The engine is 60-70% of the total cost. Premium brands cost more but offer better reliability and resale value:

  • 康明斯: Most popular globally, excellent parts availability, 5-10% 优质的
  • 帕金斯: British engineering, widely used in Europe and Middle East
  • : German engineering, best for high-performance applications, 15-20% 优质的
  • 潍柴 / 玉柴: Chinese engine brands, competitive pricing, growing global acceptance

2. 外壳类型

  • 开集: Lowest cost, requires dedicated generator room
  • 静音发电机: +15-25% 成本, reduces noise to 75 分贝(一个)
  • containerized generator: +25-35% 成本, weatherproof, 移动的, quick deployment

3. Alternator Brand

  • 斯坦福德 / 利莱森玛: 优质的, best for non-linear loads
  • 马拉松 / Mecc Alte: Good quality, competitive pricing
  • Chinese brands (没有, ETC。): Budget-friendly, adequate for standard applications

4. 控制器

  • 深海 (经济发展局): 行业标准, 可靠的, easy to program
  • 康普: Advanced features, 远程监控, multi-unit sync
  • SmartGen: Cost-effective Chinese brand, growing market share

How to Choose the Right 500 千伏安发电机

步 1: Determine Your Power Requirement

List all the equipment you need to power simultaneously. 添加 20% headroom for motor starting surges and future expansion. 一个 500 kVA generator is typically suitable for loads between 250-400 千伏安.

步 2: Choose Standby vs. 主电源

  • 支持: 仅紧急备份, runs less than 200 小时/年. The generator can output 100% 额定功率.
  • 主要的: 连续运转, 运行 8,000+ 小时/年. De-rate by 10% (output is 90% 额定功率).

步 3: Select the Enclosure

If noise is a concern (residential area, 医院, 办公楼), choose a 静音发电机. If you need mobility or quick deployment, choose a containerized generator.

步 4: 验证燃油供应

一个 500 kVA diesel generator at 75% load consumes approximately 83 升/小时. For 24-hour operation, you need a base tank of at least 1,992 升. Plan for daily fuel delivery or install an external day tank.

安装要求

通风

The generator room must provide adequate airflow for combustion and cooling. 一个 500 kVA unit requires approximately 2,500 立方米/小时 of ventilation air. Install intake louvers on the low wall and exhaust louvers on the high wall opposite the radiator.

Foundation

The foundation must support the static weight of 5,500 千克 plus dynamic loads during operation. A reinforced concrete pad of at least 200mm thickness is recommended, with anti-vibration mounts between the generator and the pad.

Electrical Connection

Use an 自动转换开关 (苯丙胺类兴奋剂) to switch between grid and generator power. The ATS should be rated for the full load current and include time-delay features to prevent unnecessary starts during momentary outages.

维护计划

Regular maintenance extends engine life and ensures reliable starting when you need it most:

间隔任务
日常的检查油位, 冷却液液位, 燃油位, 电池电压
每周Run under load for 30 分钟, 检查是否有泄漏
每月Clean air filter, check belt tension, test safety shutdowns
每一个 250 小时Change oil and oil filter, check valve clearance
每一个 500 小时更换燃油滤清器, clean fuel tank, check injector nozzles
每一个 1,000 小时Adjust valve clearance, test alternator insulation, check control system
每一个 2,000 小时Overhaul cylinder head, replace coolant, test alternator winding resistance

For a detailed checklist, see our diesel generator maintenance schedule guide.

经常问的问题

How much does a 500 kVA diesel generator cost?

一个 500 kVA diesel generator costs between $40,000 和 $75,000 (FOB), depending on engine brand, 外壳类型, and alternator selection. 联系我们 for a detailed quotation based on your specific requirements.

What is the fuel consumption of a 500 千伏安发电机?

在 75% 加载, 一个 500 kVA diesel generator consumes approximately 83 升/小时. 满载时, consumption rises to 105 升/小时.

How long can a 500 kVA generator run continuously?

With proper fuel supply and maintenance, a prime-rated 500 kVA generator can run continuously for 24-48 hours before needing an oil check. For extended operation, schedule brief shutdowns every 500 hours for oil and filter changes.

What size room do I need for a 500 千伏安发电机?

The generator dimensions are approximately 3.8×1.5×2.1 meters. 至少允许 1 meter clearance on all sides for maintenance access, plus space for the radiator airflow and exhaust system.

可以一个 500 kVA generator power a hospital?

是的, 一个 500 kVA generator is commonly used for hospital backup power. It must meet NFPA 110 requirements including 10-second start capability. See our hospital generator page for compliance details.


Need a 500 kVA Generator for Your Project?

我们是 Huaquan Power, 专业发电机制造商 15+ 多年经验. 我们的 500 kVA diesel 发电机 are built for reliability, 效率, and long service life.

  • Free technical consultation and generator selection
  • Customized solutions with full technical specifications
  • 完成交付, 安装和售后支持
  • 具有 CE 认证的全球运输, ISO认证

联系我们的两种方式:

  1. 电子邮件: huaquan@huaquanpower.com (我们在之内回复 24 小时)
  2. WhatsApp: +86 159 0536 0672

Special Offer: Tell us your power requirement + application scenario, and we will send you a free Generator Selection Report with recommended models, technical specs, and reference pricing.

Click here to request your free quote →