50HZ Cummins KTA38-G9 Standby Diesel Generator Set

50HZ Cummins KTA38-G9  Standby Diesel Generator Set

50HZ Cummins KTA38-G9  Standby Diesel Generator Set

1. Technical Parameter

Parameter Classification

Detailed Parameter Item

Technical Data

Unit Power Performance

Rated Frequency

50Hz

Prime Power (kW/kVA)

N.A

Standby Power (kW/kVA)

1000kW / 1250kVA

100% Full Load Fuel Consumption

256L/H

Engine Core Parameters

Engine Brand & Model

Cummins KTA38-G9 G-Drive Special Engine

Engine Structure

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

Fuel System

Cummins Optimized PT Mechanical Fuel Injection System

Bore × Stroke

159mm × 159mm

Total Displacement

37.8L

Compression Ratio

13.9:1

Rated Speed

1500RPM

Cooling Method

Water Circulation Cooling System

Lubrication Mode

Full Pressure Circulating Lubrication

Starting System

24V DC Electric Starting

Alternator Specifications

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

Overload Capacity

110% Short-term Standby Load Operation

Execution Standard

ISO8528 Generator Set Standard

2. Core Product Features

The Cummins KTA38-G9 1000kW/1250kVA diesel generator set is an upgraded high-power standby power generation unit optimized based on the classic KTA38 series engine. Tailored for high-reliability emergency backup power scenarios, this 1250kVA Cummins diesel generator set adopts an upgraded fuel-optimized engine structure, featuring strong instantaneous load resistance, stable startup performance and ultra-high operational safety. It is one of the most trusted high-power standby generator models in industrial engineering, municipal infrastructure and key guarantee projects.

In terms of power performance and transient response, this heavy-duty diesel generator set is equipped with a Cummins KTA38-G9 dedicated G-Drive engine, adopting a 12-cylinder 60-degree V-type layout and high-efficiency turbocharged aftercooling technology. The optimized compression ratio and fuel injection structure significantly improve instantaneous power release capability. With a maximum standby power of 1000kW/1250kVA, the unit can instantly cope with large equipment startup impact and sudden grid load surge. It delivers fast load response and zero obvious voltage and frequency fluctuation during switching, fully meeting the high-standard power supply requirements of precision equipment and large industrial loads.

In terms of structural reliability and harsh environment adaptability, the KTA38-G9 engine adopts an integral high-rigidity cast iron cylinder block and reinforced internal transmission structure. Compared with ordinary KTA38 series models, it has stronger vibration resistance and impact resistance, with lower mechanical failure rate during frequent startup and peak load operation. The matched brushless self-excited alternator cancels traditional carbon brush and slip ring vulnerable parts, realizing long-term maintenance-free excitation operation. Supported by H-grade ultra-high temperature resistant insulation materials, the alternator can effectively resist insulation aging and electrical breakdown caused by high-temperature and high-load instantaneous operation. The IP23 professional protection grade can block outdoor dust, floating debris and splashing rainwater, adapting to open-air construction, field operation and complex factory environments.

In terms of fuel economy and operational stability, the KTA38-G9 engine adopts Cummins professional fuel optimization calibration scheme. Although it is a high-power standby unit, the fuel combustion efficiency is effectively improved. The full-load fuel consumption is stably controlled at 256L/H, achieving a good balance between high-power output and economic operation. The full-pressure circulating lubrication system ensures uniform lubrication of moving parts during instantaneous load switching, reducing mechanical wear and extending the overall service life of the unit. The water circulation cooling system maintains stable body temperature under continuous peak load operation, avoiding power attenuation and shutdown failure caused by overheating.

In terms of safety protection and scenario scalability, the unit is equipped with a complete intelligent protection system, covering overload, overvoltage, undervoltage, low oil pressure, high water temperature, short circuit and other fault automatic alarm and shutdown functions. It can effectively avoid equipment damage and safety accidents caused by abnormal operation. Meanwhile, the unit supports multi-unit parallel connection to expand emergency power supply capacity, and can be matched with silent canopy, mobile trailer, ATS automatic transfer switch and remote monitoring system according to project needs, realizing unattended automatic switching and silent emergency power supply.

3. Main Application Scenarios

Positioned as a high-reliability heavy-duty standby power supply device, the Cummins KTA38-G9 1250kVA diesel generator set is widely used in key fields that require zero power failure and high emergency guarantee capability, covering industrial heavy-load standby, urban core infrastructure, large-scale engineering projects and special facility power guarantee scenarios.

Heavy Industrial Enterprise Emergency Standby Power: It is the preferred backup power equipment for large coal mines, metallurgical plants, chemical industrial parks, building material production bases and large manufacturing enterprises. These heavy industrial scenarios involve high-value production equipment and continuous assembly line operation. Once the municipal power grid fails or trips, the 1000kW high-power standby unit can start quickly to take over power supply, avoiding large-scale production shutdown, equipment damage and huge economic losses caused by power interruption.

Urban Core Public Infrastructure Power Guarantee: This 1250kVA Cummins standby generator set is widely applied in ultra-large data centers, 5G communication hub base stations, tertiary comprehensive hospitals, urban rail transit, large commercial complexes and government key office buildings. As core emergency power supply equipment, it can seamlessly switch power supply during grid power failure or routine maintenance, ensuring the normal operation of medical rescue equipment, data storage systems, communication transmission equipment and fire protection linkage systems, and safeguarding the safe and stable operation of urban key facilities.

Large Key Engineering Temporary Standby Power: It is suitable for emergency power guarantee of national key infrastructure projects, highway and bridge construction, railway hub engineering, water conservancy and hydropower projects, and oil and gas field exploration and development. Most outdoor engineering sites have unstable grid power supply. The unit’s strong environmental adaptability and large power margin can cope with sudden grid power failure, ensuring the continuous progress of construction projects and avoiding project delay losses.

Special Off-grid and Peak-shaving Power Supply Scenarios: For remote field operation bases, mountain mining areas and island areas without stable grid support, the unit can be used as emergency backup power to cope with sudden power demand changes. In addition, during the peak power consumption period of regional grid tension, it can serve as a grid peak-shaving standby power supply to make up for grid power shortage, relieve municipal power supply pressure and ensure the stable operation of enterprise production equipment.

4. Core Product Purpose

The core purpose of the Cummins KTA38-G9 1000kW/1250kVA diesel generator set is to provide ultra-high reliability emergency standby power guarantee for key scenarios with strict power supply safety requirements, solving the pain points of insufficient power margin, slow startup response and poor heavy-load impact resistance of conventional standby generator sets.

As a high-power heavy-duty standby power generation equipment, this Cummins KTA38-G9 diesel generator set relies on 1000kW stable standby power output and excellent instantaneous load response capability to provide reliable emergency power support for industrial enterprises and public facilities that cannot tolerate power outages. Its reinforced engine structure and optimized fuel system ensure stable startup and operation in harsh environments, making it a core safety guarantee for key projects.

As a key facility power safety backup device, the 1250kVA large power margin can fully cope with peak load impact of various precision equipment and large mechanical devices. It effectively prevents data loss, medical treatment interruption, production shutdown and safety accidents caused by sudden grid power failure, greatly improving the risk resistance capability and operation stability of enterprises and public institutions.

As an intelligent peak-shaving emergency power supply device, it can quickly make up for power shortage during grid peak power consumption and power failure periods. With perfect intelligent protection and unattended operation capability, it reduces manual operation costs, ensures the continuity and stability of on-site power consumption, and maximizes the operational safety and economic benefits of user projects.

5. Common FAQ

Q1: Why is KTA38-G9 only marked with standby power without prime power rating?

The Cummins KTA38-G9 is a professional standby-focused G-Drive engine, specially calibrated for emergency backup power scenarios rather than long-term prime power operation. It is optimized for frequent startup, instantaneous heavy-load access and short-duration peak operation, with excellent impact resistance and stability in emergency power switching. This unit is not designed for 24-hour long-term continuous off-grid power supply, so there is no official prime power rating. It is mainly used as emergency standby and grid peak-shaving power supply for key scenarios, which perfectly matches the power guarantee needs of industrial and municipal key projects.

Q2: What are the unique advantages of KTA38-G9 compared with other KTA38 series generator engines?

The KTA38-G9 is an upgraded fuel-optimized version of the classic KTA38 series. It adopts a revised 13.9:1 compression ratio and optimized PT fuel injection parameters, which significantly improves instantaneous power response and heavy-load impact resistance. The reinforced crankshaft and cylinder block structure enhance the unit’s durability during frequent startup and peak load operation. Meanwhile, it retains the mature wet cylinder liner structure and full-pressure lubrication system of the KTA38 series, with low maintenance difficulty and high part generalization, balancing high reliability and low later maintenance cost.

Q3: What working conditions is this 1250kVA IP23 brushless generator set suitable for?

This industrial-grade standby generator set has excellent comprehensive environmental adaptability. The IP23 protection grade effectively resists daily dust accumulation and splashing rainwater, adapting to open-air construction sites, mining sites and outdoor equipment rooms. The H-grade high-temperature resistant alternator can withstand instantaneous high-load and high-temperature operation. Matched with the high-efficiency water circulation cooling system of the KTA38-G9 engine, it can operate stably in high temperature, high dust and conventional high-altitude harsh environments, fully meeting the emergency standby power supply needs of industrial production, engineering construction and urban public facilities.

 


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