50HZ Cummins QSK50-G7 1320kW/1650kVA Diesel Generator Set

50HZ Cummins QSK50-G7 1320kW/1650kVA Diesel Generator Set

50HZ Cummins  1320kW/1650kVA Diesel Generator Set

1. Technical Parameter

Parameter Category

Detailed Item

Technical Data

Unit Power Performance

Rated Frequency

50Hz

Prime Power (kW/kVA)

1320kW / 1650kVA

Standby Power (kW/kVA)

1460kW / 1825kVA

100% Full Load Fuel Consumption

349L/H

Engine Core Parameters (QSK50-G7)

Engine Brand & Model

Cummins QSK50-G7 G-Drive Special Engine

Engine Structure

16-Cylinder 60° V-type, 4-Stroke, Turbocharged & Aftercooled

Fuel System

Modular Common Rail Fuel System (MCRS), High-pressure Direct Injection

Control System

Cummins Full Authority Electronic ECM Control

Bore × Stroke

159mm × 159mm

Total Displacement

50.3L

Rated Speed

1500RPM

Cooling System

Heavy-duty Integrated Water Circulation Cooling Package

Lubrication Mode

Full Pressure Circulating Lubrication System

Starting System

24V DC Negative Ground Electric Starting

Air Intake System

High-efficiency Turbocharger & Dual-stage Air Filtration

Fuel Filter Configuration

Spin-on Fuel Filter with Water Separator

Lube Filter Type

Spin-on Full-flow Lube Filter

Emission Standard

EPA Tier 2 Compliant

Alternator Configuration

Excitation Type

Brushless, Self-excited

Insulation Grade

H Grade

Protection Grade

IP23

Steady-State Voltage Regulation Accuracy

≤±1%

Frequency Stability

≤0.5%

General Operating Parameters

Rated Voltage

400V/230V, 3 Phase 4 Wire

Power Factor

0.8 Lagging

Continuous Operation Capacity

24-hour Non-stop Full-load Prime Operation

Short-term Overload Capacity

110% Rated Load Overload Operation

2. Core Product Features

The Cummins QSK50-G7 1320kW/1650kVA diesel generator set is a high-end electronically controlled heavy-duty power generation unit optimized for ultra-high load continuous operation and high-standard emergency power guarantee scenarios. As a premium 1650kVA prime power diesel generator in the QSK50 series, this model adopts Cummins mature modular common rail fuel system and full electronic control technology. It outperforms traditional mechanical generator sets in load response speed, operational stability and emission control, making it a reliable power solution for super industrial production and large-scale key infrastructure projects worldwide.

In terms of power performance and load adaptability, this 1650kVA industrial diesel generator set features a 16-cylinder 60° V-type layout and 50.3L large displacement design. Equipped with a high-efficiency turbocharger and professional aftercooling system, the engine achieves sufficient air intake and refined fuel combustion efficiency. The 1320kW high-rated prime power supports round-the-clock full-load continuous industrial operation, fully meeting the long-term high-intensity power consumption demand of heavy mechanical equipment and continuous production lines. Meanwhile, the 1460kW/1825kVA ultra-high standby power reserve provides abundant safety margin, which can instantly offset sudden load surges and large equipment startup impact. The unit maintains ultra-stable voltage and frequency output during load switching, adapting to complex variable-load working conditions in modern industrial scenarios.

In terms of fuel control and operational reliability, the QSK50-G7 engine is equipped with an advanced MCRS modular common rail fuel injection system. Different from traditional mechanical fuel supply structures, the high-pressure electronic fuel injection design eliminates mechanical adjustment errors, realizing precise quantitative fuel supply and ultra-fine atomization. With a full-load fuel consumption of 349L/H, the unit delivers powerful high-power output while maintaining stable combustion efficiency, effectively reducing carbon deposition and fuel waste during long-term operation. The matched spin-on fuel filter with water separator and full-flow lube filter ensure clean fuel and lubricating oil circulation, avoiding component abrasion and failure caused by impurity blockage, and greatly improving the unit’s continuous operation stability.

In terms of intelligent control and durability, the whole machine adopts Cummins full-authority ECM electronic control system, supporting real-time monitoring of engine speed, oil pressure, water temperature, load rate and other core operating data. It integrates intelligent fault self-diagnosis, early warning and predictive maintenance functions, which helps users timely grasp equipment operation status and avoid sudden shutdown failures. The reinforced cast iron cylinder block and optimized internal transmission structure enhance mechanical rigidity and vibration resistance, adapting to long-term high-intensity heavy-duty operation. The professional full-pressure circulating lubrication and integrated water cooling system ensure stable lubrication and heat dissipation of the whole machine, effectively extending the service life of the heavy-duty generator set.

In terms of power generation safety and environmental adaptability, the supporting brushless self-excited alternator cancels traditional carbon brush and slip ring vulnerable parts, realizing long-term maintenance-free excitation operation and reducing daily maintenance workload and operating costs. Adopting H-grade ultra-high temperature resistant insulation materials, the alternator can resist insulation aging and electrical breakdown caused by long-term high-temperature and heavy-load operation. The IP23 industrial protection grade effectively blocks outdoor dust, floating debris and splashing rainwater, enabling stable operation in open-air construction sites, dusty mining workshops and outdoor fixed equipment rooms. Complying with EPA Tier 2 emission standards, the unit features low exhaust pollution, meeting the green environmental protection assessment requirements of modern industrial parks and key engineering projects.

In terms of scenario scalability, this electronic controlled Cummins heavy-duty generator supports multi-unit parallel operation to expand overall system power supply capacity, meeting the cluster power demand of super-large industrial bases and large-scale data center parks. Users can configure silent canopy, mobile trailer, ATS automatic transfer switch and remote cloud monitoring system according to actual project needs, realizing unattended automatic grid switching, silent power generation and mobile emergency power supply, flexibly adapting to diversified high-power power supply scenarios.

3. Main Application Scenarios

With its full electronic control precision, ultra-heavy load resistance, low-emission environmental performance and 24-hour stable continuous operation capability, the Cummins QSK50-G7 1320kW diesel generator set is widely used in super-heavy industrial continuous production, national key super engineering construction, large IDC data center clusters, urban core lifeline infrastructure and remote off-grid high-power power supply fields, covering all high-standard power guarantee scenarios with strict stability and environmental protection requirements.

Super Heavy Industrial Continuous Power Supply: It serves as the core main power supply equipment for large mining groups, metallurgical smelting bases, ultra-large chemical industrial parks, cement manufacturing enterprises and heavy machinery processing bases. These heavy industrial scenarios require long-term uninterrupted power supply and have zero tolerance for power interruption. The 1320kW stable prime power can replace municipal grid power supply for long-term off-grid operation, ensuring continuous operation of automated production lines and large heavy-duty equipment, and avoiding massive economic losses caused by grid failure and sudden production shutdown.

National Key Super Engineering Construction: This 1650kVA Cummins diesel generator set is the preferred power guarantee equipment for cross-sea infrastructure, large-scale water conservancy and hydropower hubs, oil and gas field exploitation, high-speed railway hub projects and remote field exploration projects. Most remote super projects lack stable municipal grid coverage and have strict on-site environmental protection assessment standards. The unit’s EPA Tier 2 low-emission performance and excellent harsh environment adaptability can provide stable and reliable high-power power support for large construction machinery and on-site integrated supporting facilities.

Large IDC Data Center & Communication Core Hub Emergency Standby: It acts as the critical emergency standby power source for ultra-large cloud data center clusters, 5G communication core hubs and network operation base stations. Data center power supply has top-level requirements for stability and continuity. The 1825kVA high standby power margin and fast electronic load response capability can complete seamless power switching instantly after grid power failure, ensuring uninterrupted operation of server clusters, data storage systems and communication transmission equipment, effectively avoiding data loss and network system paralysis accidents.

Urban Core Public Infrastructure Power Guarantee: The unit is widely applied in tertiary comprehensive hospitals, urban rail transit systems, large commercial complexes and government key command centers. As an indispensable emergency power backup for urban lifeline facilities, it can quickly take over power supply during grid trip, sudden failure or routine maintenance power outage, ensuring the normal operation of medical rescue equipment, fire linkage systems and public service facilities, and safeguarding the safe and stable operation of urban core public facilities.

Off-grid Power Supply and Grid Peak Shaving: It is suitable for long-term independent high-power power supply in remote islands, plateau mining areas and field operation bases without grid coverage. During peak power consumption periods of regional grid tension and power shortage, it can be used as a high-power grid peak-shaving power supply to make up for grid power supply gap, relieve municipal power supply pressure, solve enterprise production restriction problems caused by power limit, and ensure the continuity of industrial production tasks.

4. Core Product Purpose

The core purpose of the Cummins QSK50-G7 1320kW/1650kVA diesel generator set is to provide high-precision, low-emission and ultra-reliable continuous main power supply and high-standard emergency standby power guarantee for super-large industrial projects and high-reliability key facilities, solving the industry pain points of low control accuracy, poor variable-load adaptability and high comprehensive failure rate of traditional mechanical high-power generator sets.

As a modular common rail electronic controlled prime power generation equipment, this Cummins QSK50-G7 industrial generator set relies on 1320kW long-term stable output and 16-cylinder large-displacement power reserve to provide 24-hour uninterrupted main power support for off-grid super industrial bases and large factories with insufficient grid capacity. The high-pressure common rail fuel system and full-authority electronic control system ensure efficient and stable operation under long-term high-temperature and variable-load conditions, fully meeting the green and high-efficiency production standards of modern heavy industry.

As a low-emission high-power emergency standby power device, the 1460kW/1825kVA super standby power margin fully meets the emergency power demand of key scenarios such as large data centers, medical facilities and urban rail transit with strict power supply safety and environmental protection requirements. It can respond and start rapidly during municipal grid failures, effectively avoiding data loss, medical treatment interruption and large-scale production shutdown losses caused by sudden power outages, greatly improving the emergency risk resistance capability of enterprises and public institutions.

As an intelligent grid peak-shaving power supply unit, it can accurately compensate for large power shortages during grid peak periods. With real-time fault diagnosis, predictive maintenance and adaptive load adjustment capabilities, it realizes unattended intelligent operation, relieves municipal grid power supply pressure, helps heavy industrial enterprises get rid of peak power restriction constraints, and maximizes project operational safety, environmental benefits and long-term economic benefits.

5. Common FAQ

Q1: What are the key advantages of QSK50-G7 compared with other QSK50 series generator engines?

The QSK50-G7 is an upgraded electronically controlled model tailored for high-load continuous prime power operation. Compared with ordinary QSK50 series models, it adopts optimized MCRS common rail fuel calibration and upgraded dual-stage filtration system, delivering more accurate fuel injection and stronger impurity resistance. Equipped with a more mature full-authority ECM electronic control program, it features faster load response and more stable low-speed operation. Meanwhile, it strictly complies with EPA Tier 2 low-emission standards, with lower exhaust emissions and better environmental adaptability, making it more suitable for high-standard industrial and green engineering projects that require long-term full-load operation.

Q2: What is the optimal daily operating load range for this 1650kVA diesel generator set?

In actual industrial operation scenarios, for long-term continuous prime power supply, it is recommended to control the daily operating load between 50% and 80% of the 1320kW rated prime power. This load range allows the common rail electronic fuel system and electronic control unit to operate in the highest efficiency state, effectively reducing carbon deposition, mechanical wear and fuel consumption, and extending the unit’s overall service life. In emergency power failure scenarios, the unit supports 110% short-term overload operation relying on 1825kVA standby power, but continuous overload operation for more than 1 hour is prohibited to avoid damage to the high-pressure fuel system and alternator insulation structure.

Q3: What harsh working environments can this IP23 brushless generator set adapt to?

This industrial-grade electronic controlled high-power generator set has passed strict environmental adaptation tests and has excellent comprehensive stability. The IP23 protection grade can effectively resist daily dust accumulation, floating debris and splashing rainwater, adapting to open-air construction sites, mining sites and outdoor fixed equipment rooms. The H-grade high-temperature resistant alternator operates stably for a long time under high-load and high-temperature working conditions. Matched with the QSK50-G7 engine’s high-efficiency aftercooling system, dual-stage air filtration and efficient oil filtration design, it can work normally in high temperature, high dust and conventional high-altitude harsh environments, fully meeting the high-power power supply needs of super heavy industry, key engineering construction and urban core facility emergency standby scenarios.

 


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