50HZ Cummins VTA28-G5 516kW/645kVA Diesel Generator Set

50HZ Cummins VTA28-G5 516kW/645kVA Diesel Generator Set

50HZ Cummins  516kW/645kVA Diesel Generator Set

1. Technical Parameter

Parameter Item

Technical Specification

Generator Set Model

Cummins VTA28-G5 Diesel Generator Set

Rated Frequency

50Hz

Prime Power (kW/kVA)

516kW / 645kVA

Standby Power (kW/kVA)

560kW / 700kVA

100% Full Load Fuel Consumption

140L/H

Engine Brand

Genuine Cummins G-Drive Industrial Engine

Engine Model

VTA28-G5

Engine Structure

Inline 12-cylinder, 4-stroke, turbocharged & aftercooled

Total Displacement

28.0L

Cylinder Bore × Stroke

140mm × 152mm

Fuel System

Cummins PT mechanical fuel injection system

Rated Speed

1500rpm

Cooling Mode

Closed-circuit water cooling with intelligent thermostat

Lubrication Mode

Full pressure circulating lubrication

Starting System

24V DC electric starting system

Rated Voltage

400V/230V, 3-phase 4-wire

Power Factor

0.8 lagging

Alternator Excitation Type

Brushless, self-excited

Insulation Grade

H Grade

Protection Grade

IP23

Voltage Regulation Mode

Automatic AVR intelligent voltage regulation

Filter Configuration

Genuine Cummins Fleetguard high-precision filter set

Applicable Temperature Range

-20℃ ~ +45℃

Emission Standard

Non-road Stage IIIA Compliant

2. Product Features

The Cummins VTA28-G5 516kW/645kVA diesel generator set is a high-power heavy-duty power generation unit from Cummins classic VTA28 series, widely recognized as a reliable 645kVA Cummins diesel generator for industrial and large-scale engineering power supply projects. Tailored for long-term high-load operation and complex harsh working conditions, this model adopts a 12-cylinder inline heavy-duty engine structure paired with professional turbocharging and aftercooling technology. It delivers stable prime power output, sufficient emergency power reserve and excellent environmental adaptability. After long-term field verification in mining, chemical industry and infrastructure construction, this unit features low failure rate, strong durability and balanced fuel economy, becoming a mainstream high-power power supply solution for medium and large industrial power guarantee scenarios.

2.1 28.0L Large Displacement, Abundant Power Reserve

Powered by genuine Cummins VTA28-G5 G-Drive dedicated engine, the unit adopts 12-cylinder inline four-stroke structure with 28.0L large displacement and optimized bore-stroke ratio design. The matched turbocharging and aftercooling system significantly improves air intake efficiency and fuel combustion adequacy, ensuring stable 516kW long-term continuous prime power output. It supports 560kW/700kVA emergency standby power supply, forming a safe power buffer for instantaneous load surge. Compared with conventional same-power diesel generators, this unit has stronger overload resistance, maintaining stable voltage and frequency operation during 24-hour full-load continuous work without power attenuation or automatic shutdown protection, perfectly adapting to long-duration high-load power consumption needs of heavy industrial equipment.

2.2 Mature PT Mechanical Fuel System, Ultra-Stable Operation

Equipped with Cummins mature PT mechanical fuel injection system, the VTA28-G5 generator set realizes precise fuel metering and sensitive mechanical speed regulation. Different from electronic control generators that are susceptible to dust, humidity and voltage fluctuation interference, the pure mechanical control structure has fewer vulnerable electronic components and stronger environmental anti-interference ability. It can operate stably for a long time in dusty mining workshops, humid field construction sites and unstable power grid environments. The mechanical regulation response is accurate and stable, effectively avoiding voltage flicker and frequency drift during frequent load switching, providing high-quality pure sine wave power supply for precision industrial instruments and automated production lines.

2.3 Heavy-Duty Reinforced Structure, Excellent Durability

The engine body adopts high-strength alloy cast iron cylinder block and integral forged steel crankshaft, with integral structural rigidity optimized for heavy-duty working conditions. The 12-cylinder symmetrical layout effectively reduces unit vibration and operating noise during high-load operation, lowering mechanical fatigue loss. Wear-resistant cylinder liners and reinforced transmission components extend the service life of core parts, while the integrated pipeline design reduces external connecting joints, minimizing oil leakage and air leakage risks. Equipped with original Cummins Fleetguard high-precision filters, it effectively intercepts fuel and oil impurities, protects internal precision moving parts, and greatly improves the overall durability and continuous operation stability of the generator set.

2.4 High-Grade Protection Configuration, All-Weather Adaptability

The supporting brushless self-excited alternator completely eliminates traditional carbon brush vulnerable parts, solving common faults such as carbon brush ablation, poor contact and sudden power failure of traditional excitation generators. It adopts H-grade ultra-high temperature resistant insulation material, which can maintain stable insulation performance and avoid aging breakdown after long-term high-temperature and high-load continuous operation. The IP23 professional dustproof and waterproof protection grade can effectively block external dust, debris and splashing water, adapting to open-air engineering sites, semi-outdoor equipment rooms, dusty mining workshops and humid coastal working environments. Whether in low-temperature cold seasons or high-temperature hot summers, the unit can achieve reliable startup and stable continuous operation, realizing all-weather power supply guarantee.

2.5 Low Maintenance & High Comprehensive Cost Performance

As a mature classic model of Cummins VTA28 series, the VTA28-G5 generator set has high market maturity and complete nationwide after-sales service system. Spare parts are highly universal and adequately supplied, with low daily replacement and maintenance costs. The brushless alternator design saves regular carbon brush replacement and circuit debugging work, reducing daily operation and maintenance workload. The simple and reliable mechanical structure does not require complex professional debugging, facilitating daily inspection and fault troubleshooting for on-site personnel. With ultra-low failure rate and long service cycle, it effectively reduces later equipment downtime loss and comprehensive operating costs, with outstanding long-term use value for industrial and engineering projects.

3. Application Scenarios

Relying on its 645kVA high-power stable output, 700kVA emergency power reserve and strong harsh environment adaptability, the Cummins VTA28-G5 516kW diesel generator set covers multiple high-standard power supply fields such as heavy industrial production, large-scale infrastructure engineering, mining development, urban public facilities and emergency disaster relief. It can flexibly switch between off-grid long-term main power supply and grid-connected emergency standby power modes, meeting diversified high-load power demand of various medium and large-scale projects.

3.1 Heavy Industrial Manufacturing Standby Power Supply

It is the preferred emergency backup power equipment for large chemical industrial parks, metallurgical smelting bases, cement building material factories, heavy machinery manufacturing plants and new energy industrial bases. Modern heavy industrial production relies on uninterrupted operation of high-power assembly lines, smelting equipment and automatic control systems. Sudden grid power outage, seasonal peak power restriction or grid voltage fluctuation will directly cause production shutdown and huge economic losses. This high-reserve Cummins generator set can start quickly and complete automatic power switching in a short time, providing continuous and stable power guarantee for core production equipment, workshop safety monitoring systems and fire protection linkage facilities, ensuring zero interruption of industrial production.

3.2 Large-Scale Mining & Field Engineering Main Power

Widely used as long-term main power supply for open-pit mining, tunnel excavation engineering, water conservancy hub projects, long-distance highway and railway construction and field geological exploration operations. Most remote mining areas and large field engineering sites lack stable municipal grid coverage, featuring harsh operating environment, long construction cycle and continuous high-load power consumption. The 516kW stable prime power of the unit can support 24-hour uninterrupted power supply for large drilling machinery, hoisting equipment, concrete mixing systems and on-site living and office facilities. Its excellent dust resistance, vibration resistance and high-temperature resistance fully adapt to extreme field working conditions.

3.3 Urban Core Public & Transportation Facility Emergency Power

Applicable to tertiary comprehensive hospitals, large airport hubs, railway transit centers, urban subway operation stations, super high-rise business districts and government key public institutions. These personnel-intensive core scenarios have extremely strict requirements for power supply safety and continuity, and any power interruption will trigger public safety risks and social service paralysis. In case of sudden power outage, grid line failure and routine power grid maintenance, the 560kW/700kVA standby power reserve can be quickly put into operation to ensure the normal operation of medical rescue equipment, traffic dispatching systems, elevator linkage systems and emergency lighting, guaranteeing stable operation of urban core functional facilities.

3.4 Emergency Rescue & Off-Grid Key Project Power Guarantee

The unit is also commonly configured for flood control and drought relief emergency power supply, post-disaster reconstruction temporary power consumption, remote island development, large-scale pastoral breeding bases and communication base station cluster standby power. It features fast startup, stable operation and flexible mobile deployment, solving the problem of independent power consumption in off-grid, remote and emergency scenarios. It provides reliable high-power power support for emergency rescue work, remote area production and living needs, and outdoor key equipment operation.

4. Core Purposes

The Cummins VTA28-G5 516kW/645kVA diesel generator set is positioned as a heavy-duty high-power power generation equipment for long-term high-load and high-reliability power guarantee scenarios. It focuses on solving the industry pain points of insufficient power reserve, poor continuous load resistance and unstable operation of conventional medium and high-power generators, providing all-weather low-failure and high-stability power support for large industrial production and key engineering construction projects.

4.1 Grid-Connected High-Reliability Emergency Standby Power Guarantee

This is the most mainstream core usage of the unit. For grid-connected large industrial enterprises, urban core public service facilities and key transportation hubs with zero power interruption requirements, it acts as a professional high-standard emergency backup power source. When encountering sudden grid power failure, seasonal peak power rationing, line aging faults and grid voltage instability, the generator set can realize rapid startup and automatic switching, effectively avoiding production shutdown, public service suspension and safety accidents caused by power interruption, and ensuring continuous and stable operation of core equipment and key businesses.

4.2 Off-Grid Long-Term High-Load Independent Main Power Supply

In remote mining areas, large field engineering bases, unconnected islands and water conservancy project sites without municipal grid coverage, the 516kW stable prime power of the unit serves as long-term main power supply. Relying on 28.0L large-displacement power advantage and mature PT mechanical fuel supply technology, it can support 24-hour uninterrupted full-load power generation all year round, adapt to complex and harsh extreme working environments, and fully meet the long-term high-load power demand of off-grid key construction projects and remote production bases.

4.3 Power Grid Peak Shaving & Industrial Load Supplement

In industrial-intensive regions with tight seasonal power supply and severe power shortage, the unit can be used as professional grid peak shaving power equipment. It can be quickly started during industrial peak power consumption periods to share municipal grid load pressure, make up for grid power supply gaps, effectively solve the problem of enterprise production restriction and equipment shutdown caused by power shortage, and ensure the smooth progress of peak production tasks of large industrial enterprises.

 


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