50Hz 1100kW/1375kVA Weichai 12M33D1320E200 Diesel Generator Set

50Hz Weichai 1100kW/1375kVA Diesel Generator Set
1. Full Technical Parameter Table
This chapter systematically organizes the factory standard parameters and industry universal technical indicators of the 50Hz 1100kW/1375kVA Weichai 12M33D1320E200 diesel generator set. The complete data covers overall unit operating performance, original Weichai 12M33 series diesel engine configuration, professional brushless alternator parameters and conventional operating indicators. It can be directly applied for large industrial power project selection, engineering bidding parameter filling, on-site equipment acceptance and daily operational management of high-power diesel generator sets.
Parameter Category | Specific Item | Technical Data |
Overall Generator Set Parameters | Rated Frequency | 50Hz |
Prime Power (Continuous Rated Power) | 1100kW/1375kVA | |
Standby Power (Emergency Peak Power) | 1200kW/1500kVA | |
Rated Voltage & Phase | 400V/230V, 3-phase 4-wire | |
Rated Power Factor | 0.8 (lagging) | |
Rated Speed | 1500r/min | |
Full-load Fuel Consumption | 279.88L/H (100% rated load) | |
Voltage Regulation Accuracy | ≤±1% | |
Optional Unit Type | Open type, silent type, container type, outdoor rainproof type | |
Operation Mode | Long-term main power supply / Grid emergency standby power supply | |
Weichai Diesel Engine Parameters | Engine Brand | Original Weichai Power |
Engine Model | 12M33D1320E200 | |
Engine Structure | V-type 12-cylinder, four-stroke, turbocharged & intercooled | |
Engine Rated Power | 1320kW | |
Bore × Stroke | 150mm × 185mm | |
Total Displacement | 39.2L | |
Compression Ratio | 15:1 | |
Emission Standard | China Non-Road Stage III | |
Fuel Supply & Governing Mode | Mechanical pump + electronic speed regulation | |
Cooling System | Closed-loop forced water cooling | |
Starting Mode | 24V DC electric one-key start | |
Lubricating Oil Capacity | 146L | |
Alternator Core Parameters | Excitation Type | Brushless, self-excited |
Insulation Grade | H Grade | |
Protection Grade | IP23 | |
Voltage Regulation System | Intelligent AVR automatic constant voltage regulation |
2. Product Features
The Weichai 12M33D1320E200 1100kW/1375kVA diesel generator set is a heavy-duty ultra-high-power industrial power generation device upgraded based on Weichai mature 12M33 engine platform. As a mainstream 1375kVA Weichai diesel generator set in the high-end industrial power market, it is specially developed for long-term heavy-load operation and emergency peak power supply scenarios. It boasts abundant power reserve, stable dynamic performance, strong environmental resistance and low comprehensive failure rate, effectively solving the problem of insufficient load capacity and unstable operation of medium and high-power ordinary generator sets under continuous heavy load.
In terms of power performance, the unit adopts a professional V-type 12-cylinder four-stroke structure, matched with turbocharged and intercooled air intake technology and 39.2L large displacement design. The optimized air intake and combustion system greatly improves power output efficiency and load impact resistance. The 1100kW continuous prime power supports 24-hour uninterrupted full-load stable operation, fully meeting the long-term high-load power demand of large industrial equipment. Meanwhile, the 1200kW/1500kVA standby power provides sufficient peak power margin, which can effectively cope with sudden load surge and grid failure emergencies. Equipped with a high-precision brushless self-excited alternator and intelligent AVR voltage regulation system, the unit maintains ultra-low voltage and frequency fluctuation under standard 50Hz operating conditions, delivering high-quality pure sine wave power and adapting to precision industrial equipment and automated production lines with strict power supply requirements.
In terms of operational economy and reliability, the engine adopts mature mechanical fuel pump matched with electronic speed regulation technology. This stable and durable fuel supply scheme avoids frequent failure of electronic high-pressure systems in harsh environments, ensuring long-term stable fuel supply and combustion efficiency. The full-load fuel consumption is stably controlled at 279.88L/H, achieving a balanced performance of strong power output and controllable operating cost. The electronic speed governor can intelligently adjust the engine operating speed according to real-time load changes, effectively reducing idle and light-load fuel waste, and bringing better economic benefits for long-term continuous operation of industrial projects.
In terms of safety and environmental adaptability, the supporting alternator adopts H-grade ultra-high temperature resistant insulating materials, which can resist long-term high-load heat accumulation and extreme ambient temperature changes, with excellent insulation aging resistance and electrical safety performance. The industry-standard IP23 dust-proof and splash-proof protection grade can effectively block external dust, rain splash and solid particle impurities, protecting internal circuits and mechanical structures from damage. The closed-loop forced water cooling system ensures uniform and efficient heat dissipation of the large-displacement 12-cylinder engine, completely avoiding overheating shutdown faults during long-hour continuous heavy-load operation and significantly extending the overall service life of the unit.
In terms of operation and maintenance, the advanced brushless self-excited excitation structure eliminates traditional carbon brush wear, spark discharge and frequent replacement maintenance, greatly reducing equipment failure points and daily maintenance workload. The 24V DC electric start system supports one-key quick start and automatic grid switching, realizing long-term unattended standby operation. The whole machine has a compact and reasonable overall layout, stable mechanical structure, convenient on-site installation, commissioning and daily inspection, and can adapt to long-term stable operation in various complex industrial and outdoor harsh working environments.
3. Application Scenarios
This 50Hz 1100kW/1375kVA Weichai diesel generator set has ultra-wide industrial applicability, covering super-heavy industrial production, national key infrastructure engineering, large public facility emergency power guarantee, special industry uninterrupted power supply and remote off-grid area power support. It can flexibly switch between main power supply and emergency standby power supply modes, and is the preferred high-power power supply equipment for various high-load and high-reliability power demand scenarios.
Super-heavy Industrial Production Scenarios: It is widely used in large-scale chemical industrial parks, metallurgical smelting enterprises, open-pit mining bases, heavy machinery manufacturing plants and industrial agglomeration zones. Heavy industrial production is characterized by ultra-large power load and long-duration continuous power consumption. This 1375kVA Weichai generator set can serve as the main power supply for off-grid industrial zones or core backup power supply for grid-connected heavy industrial factories, effectively avoiding large-area production line shutdown, precision equipment paralysis and huge economic losses caused by sudden grid power failure, ensuring year-round stable and continuous industrial production operation.
National Key Engineering Construction Scenarios: It is the core power supply equipment for large-scale municipal key projects, long-distance high-speed railway engineering, cross-river and sea bridge construction, large-scale water conservancy hub projects and field resource exploration operations. Most outdoor key construction sites lack stable municipal grid support, and the 1100kW high-stable heavy-load power output can simultaneously drive multiple large mixing equipment, heavy hoisting machinery, excavation equipment and on-site integrated living supporting facilities. With excellent dust resistance, splash resistance and high-temperature resistance, the unit can operate stably in harsh outdoor working conditions such as high temperature, severe dust and complex terrain.
Large Public & Commercial Facility Scenarios: It is applicable to super-large urban comprehensive commercial complexes, high-star hotel clusters, tertiary Grade A hospitals, large-scale urban data center parks and university campus clusters. These public service scenarios involve intensive personnel and core electromechanical equipment including fire protection linkage systems, central ventilation systems, medical life-saving equipment and high-rise elevator systems. In case of sudden grid power failure, the Weichai 12M33D1320E200 generator set can start quickly and complete automatic power switching, ensuring normal operation of key facilities, eliminating public safety risks and property losses, and meeting ultra-high-standard emergency power supply requirements of large public buildings.
Special Industry & Off-grid Area Scenarios: The unit is suitable for 5G communication base station clusters, offshore island operation bases, remote mountainous industrial zones, pastoral power shortage areas and field military supporting projects without municipal grid coverage. For special industries such as communication operation and data storage that require 24-hour uninterrupted power supply, the low failure rate and long continuous heavy-load operation cycle of the unit can effectively prevent communication interruption and core data loss caused by power failure. For remote off-grid areas, it acts as a stable long-term main power source to solve the problem of insufficient high-power power supply for local industrial production and daily living.
4. Core Purpose
The core purpose of the Weichai 12M33D1320E200 1100kW/1375kVA diesel generator set is to provide stable, efficient and low-failure uninterrupted heavy-load power guarantee for super-large high-power power consumption scenarios, make up for the heavy-load operation defects of medium and conventional high-power generator sets, and provide reliable and cost-effective integrated power supply solutions for heavy industrial production, key national engineering construction and large public infrastructure operation.
In off-grid heavy industrial parks, field key engineering construction sites and remote power-shortage areas without municipal grid coverage, this 1375kVA diesel generator set acts as a long-term continuous main power supply equipment. Relying on 1100kW stable prime power output and excellent heavy-load resistance, it meets all-weather ultra-high-load power demand of large-scale industrial production and key engineering operation, providing an independent, stable and durable power source for long-term off-grid project operation.
In urban grid-connected heavy industrial parks and core public infrastructure clusters, the unit is positioned as a high-grade emergency standby power supply. When the municipal grid fails, trips, overloads or has abnormal voltage fluctuation, the generator set realizes automatic start and fast power switching in a short time, instantly supplementing power supply to ensure uninterrupted operation of core production equipment and key public service facilities. It effectively reduces enterprise operation risks and public safety hidden dangers caused by sudden power failure, and improves the overall emergency response capability and stable operation level of large-scale projects.
Meanwhile, relying on Weichai’s mature 12M33 series large-displacement V12 cylinder industrial engine technology and optimized brushless alternator matching design, the unit achieves dual advantages of stable heavy-load operation and low comprehensive maintenance cost. It supports long-term unattended standby and continuous heavy-load operation, reduces manual operation and maintenance investment, and is one of the most practical and cost-effective ultra-high-power diesel generator sets in the current global industrial power generation equipment market.
5. FAQ – Common Frequently Asked Questions
Q1: What is the actual usage difference between prime power and standby power of the 1100kW/1375kVA Weichai generator set?
Prime power (1100kW/1375kVA) is the continuous rated power of the generator set, supporting 24-hour long-term stable operation under full rated load. It is the standard power parameter for daily main power supply and long-term continuous operation scenarios. Standby power (1200kW/1500kVA) is short-term emergency peak power, only designed for temporary power supplement during grid power failure or sudden load surge. It cannot operate under standby load for a long time, otherwise it will cause engine overload wear, increased fuel consumption and shortened overall service life of the unit. In actual project matching, professional engineers recommend controlling the long-term operating load within 80% of prime power to ensure long-term stable and efficient operation of the genset.
Q2: What core advantages does Weichai 12M33D1320E200 engine have over other similar ultra-high-power generator engines?
The 12M33D1320E200 is a professional heavy-duty power generation engine independently developed by Weichai for ultra-high-power gensets, complying with China Non-Road Stage III emission standards. Adopting 39.2L large displacement V-type 12-cylinder four-stroke structure and turbocharged intercooled technology, it has more sufficient power reserve and stronger heavy-load impact resistance than ordinary inline engines of the same power level. Different from full electronic fuel injection engines, it adopts mechanical fuel pump plus electronic speed regulation structure, which is more stable and durable in dusty, high-temperature and humid harsh industrial environments with lower failure rate. Matched with H-grade high-temperature resistant brushless alternator and IP23 dust-proof and splash-proof structure, the whole set has superior environmental adaptability and operational stability, with lower later maintenance cost compared with traditional brushed generator sets.
Q3: What working environments is this 1375kVA diesel generator set suitable for, and what are the key daily maintenance points?
This Weichai 1100kW ultra-high-power industrial generator set is suitable for indoor heavy-duty factory workshops, outdoor large-scale key construction sites, mining areas, chemical industrial parks, urban large public buildings and other complex industrial environments, adapting to conventional temperature fluctuations and dusty, splash-prone working conditions. For daily maintenance, users need to regularly check diesel stock, engine oil level and cooling water capacity before startup, clean radiator and air filter dust periodically to avoid heat dissipation failure, and replace filter elements and lubricating oil according to unit operating hours. Benefiting from the reliable mechanical fuel supply structure and brushless excitation design, the unit features low failure rate and simple daily maintenance, fully meeting the long-term unattended heavy-load operation needs of large industrial projects.

