50Hz YUCHAI YCDV254FHZ-35 20kW/25kVA Diesel Generator Set

50Hz YUCHAI  20kW/25kVA  Diesel Generator Set

1. Technical Parameter

2. Product Features of YUCHAI YCDV254FHZ-35 20kW/25kVA Diesel Generator Set

The YUCHAI YCDV254FHZ-35 50Hz diesel generator set is a hot-selling medium-small power backup power equipment launched by Yuchai Power. As a mainstream 25kVA diesel generator in the market, this unit is equipped with original Yuchai turbocharged engine and high-efficiency brushless alternator, featuring stable power output, low fuel consumption and low failure rate. It is widely recognized in the fields of commercial standby power, construction temporary power and rural self-power supply, and is a cost-effective power generation device for medium and small power demand scenarios.

In terms of power performance, the unit adopts Yuchai YCDV254FHZ-35 four-cylinder turbocharged diesel engine, matched with precise electronic speed regulation system. The power output is stable with tiny voltage and frequency fluctuation, which fully meets the standard of long-term continuous operation with 20kW prime power. When encountering sudden power peak demand, it can support short-time emergency operation with 22kW standby power, with strong load adaptability and no power attenuation under conventional full-load working conditions. The four-cylinder balanced operation structure effectively reduces vibration and operating noise, ensuring safe and stable power supply for precision electrical equipment.

In terms of energy-saving economy, the optimized fuel injection and combustion system of the original Yuchai engine realizes efficient fuel utilization. The full-load fuel consumption is only 6.6L/H, which has obvious energy-saving advantages compared with other 25kVA diesel generator sets of the same level. For users who need long-term standby power and frequent temporary power supply, it can effectively reduce daily fuel operating costs and improve long-term use economy, solving the problem of high energy consumption of traditional small and medium power generators.

In terms of power generation system configuration, the whole machine is equipped with brushless self-excited alternator, which cancels vulnerable parts such as carbon brushes and slip rings of traditional brushed generators. It avoids common faults such as poor contact and unstable power generation caused by carbon brush wear, realizing truly maintenance-free power generation operation. The H-grade high-temperature resistant insulation material greatly improves the high-temperature aging resistance of the alternator, enabling the unit to operate stably for a long time in high-temperature workshops, outdoor hot environments and other harsh conditions.

In terms of safety and environmental adaptability, the unit reaches IP23 professional protection grade, which can effectively resist external dust invasion and rain splash, adapting to open-air construction sites, field operation and other complex working scenarios. The closed circulating water cooling system ensures uniform and efficient heat dissipation, completely avoiding engine overheating and shutdown during long-hour continuous operation. The unit is equipped with complete overload, short circuit and over-temperature protection functions, which can automatically cut off power in case of failure, effectively protecting equipment and electrical load safety.

In addition, the Yuchai 20kW diesel generator set has a compact integrated structure, small floor area and flexible movement and installation. It supports manual start and automatic start matching, with fast startup response speed. It can quickly switch to power supply state within a few seconds after municipal power failure, which is very suitable for unattended standby power scenarios. With mature manufacturing technology and strict factory testing, the whole machine has ultra-low failure rate and long service life, meeting the long-term use needs of various industries.

3. Main Application Scenarios

The YUCHAI YCDV254FHZ-35 20kW/25kVA 50Hz diesel generator set is designed strictly according to national 50Hz power grid standards. With moderate power, stable performance and strong versatility, it covers multiple core scenarios such as commercial emergency standby power, engineering temporary power supply, agricultural breeding power guarantee and public facility emergency power supply, and is a universal medium-small power generation equipment for civil, commercial and industrial fields.

3.1 Commercial and Civil Emergency Standby Power

This 25kVA Yuchai diesel generator is widely used in small and medium shopping malls, community property, office buildings, hotel guesthouses, catering stores and residential communities. It serves as core emergency backup power equipment to respond to sudden municipal power failure, ensuring the normal operation of on-site lighting, monitoring systems, weak current equipment and office electrical appliances. It effectively avoids business suspension, property loss and life inconvenience caused by power outage, and is an essential power guarantee facility for commercial and residential places.

3.2 Construction and Municipal Engineering Temporary Power

It is the preferred temporary power supply equipment for rural reconstruction, road maintenance, municipal small projects, garden greening engineering and outdoor field construction. It can provide stable power support for small welding equipment, cutting machinery, on-site construction lighting and temporary living power for construction personnel. Relying on IP23 dust-proof and splash-proof performance and strong anti-vibration ability, the unit can adapt to harsh and unstable outdoor construction environments, with low failure rate and strong continuous operation capability in field work.

3.3 Agricultural Breeding and Processing Power Supply

For remote rural areas with unstable power grid, large-scale breeding farms, fruit and vegetable planting bases and small agricultural product processing workshops, this 20kW prime power diesel generator set can provide long-term stable continuous power supply. It solves the pain points of frequent power failure and voltage fluctuation in rural power grids, and guarantees the normal operation of breeding constant temperature equipment, ventilation systems, water supply equipment and small processing machinery, ensuring the stable development of agricultural production and breeding industry.

3.4 Public Facilities and Emergency Rescue Power Guarantee

The unit can be used as emergency standby power for village clinics, community service stations, small communication base stations, fire control facilities and post-disaster emergency rescue sites. Its fast startup speed and stable constant voltage power output can ensure the normal operation of medical equipment, communication equipment and emergency lighting systems, providing reliable power support for public service operation and sudden disaster emergency disposal.

4. Core Product Purpose

The core purpose of the YUCHAI YCDV254FHZ-35 50Hz diesel generator set is to providestable, energy-saving and low-maintenance integrated power supply solutions for medium and small power demand scenarios. Relying on Yuchai's decades of mature engine manufacturing technology and optimized brushless power generation system, it makes up for the deficiencies of municipal power grid instability, sudden power failure and no fixed power supply in special scenarios, and meets the diversified power consumption needs of civil life, commercial operation and small industrial production.

First of all, it undertakes long-term emergency standby power tasks. For commercial venues, residential communities and public service places with high requirements for power supply continuity, the generator set can start quickly after grid power failure to realize uninterrupted power supply of key equipment, effectively avoiding economic losses and potential safety hazards caused by power interruption.

Secondly, it provides flexible mobile temporary power support. For outdoor engineering construction, field operation, remote mountainous areas and other scenarios without fixed power grid coverage, the compact and mobile 25kVA Yuchai generator can provide sustainable and stable power supply for construction operation and daily life, solving the power consumption dilemma of off-site operation and remote areas.

Thirdly, it guarantees stable production power for small industries and agriculture. For small processing factories, breeding enterprises and agricultural processing workshops often affected by grid fluctuation, the unit maintains constant voltage and frequency power output, avoids production shutdown and equipment damage caused by unstable power supply, and ensures the continuity and stability of production and operation.

Finally, it realizes peak power regulation and power grid backup. In the peak power consumption period of summer and winter or during municipal power grid maintenance and power rationing, the equipment can supplement peak power, reduce the pressure of municipal power consumption, and provide reliable power guarantee for the stable operation of various scenarios.

5. Common FAQ

Q1: What is the difference between prime power and standby power of YCDV254FHZ-35 generator set in actual use?

The 20kW/25kVA prime power is the rated long-term operating power of the unit, which supports 24-hour uninterrupted continuous operation under standard load and is suitable for daily long-term power supply and conventional standby working conditions. The 22kW/27.5kVA standby power is emergency peak power, designed for short-time overload power supply in sudden power failure or instantaneous peak power demand scenarios. It is not allowed to operate under standby power for a long time, otherwise it will cause long-term overload of the engine, accelerate the wear of internal parts, and greatly reduce the overall service life and operational stability of the diesel generator set.

Q2: What are the core advantages of the brushless self-excited alternator equipped on this Yuchai 25kVA generator?

Compared with traditional brushed generators, the brushless self-excited alternator of YUCHAI YCDV254FHZ-35 set has no wearable carbon brush and slip ring components, fundamentally eliminating common faults such as poor power generation contact, unstable voltage and easy sparking caused by carbon brush aging and wear. It greatly reduces daily maintenance frequency and later use cost. Matched with H-grade high-temperature insulation and IP23 dust-proof and water-proof protection, the alternator has stronger high-temperature resistance and environmental adaptability, lower failure rate, and is more suitable for long-term unattended standby power and harsh outdoor field operation.

Q3: How is the fuel economy of YCDV254FHZ-35 diesel generator set compared with similar products?

This unit adopts Yuchai original YCDV254FHZ-35 turbocharged high-efficiency diesel engine, with optimized fuel combustion structure and electronic precise fuel supply control technology. The full-load fuel consumption is stably controlled at 6.6L/H, which is significantly more energy-saving than most 24-28kVA diesel generator sets on the market. Whether it is long-term low-load standby power or full-load continuous temporary power supply, it can maintain low fuel consumption and high efficiency operation. For users with frequent startup and long-time standby demand, it can effectively save daily fuel costs and has outstanding long-term cost performance.