Technical characteristics
| Brand |
Huaquan |
| Origin |
Shandong, China |
| Product Category |
Silent Generator Set |
| Product Model |
HQ400GF |
| Product Series |
Huaquan-KMS |
| Output power(kW) |
400 |
| Output power(kVA) |
500 |
| Power factor |
COSΦ = 0.8 (lagging) |
| Output voltage |
400V / 230V |
| Output current |
720A |
| Rated frequency |
50Hz-60Hz |
| RPM |
1500-1800 |
| Open Frame Dimension |
3650*1680*1800(L*W*H mm) |
| Open Frame Weight |
3800kg |
| Application Fields |
Mining/Health and Education/Public Utility |
| Engine Brand |
KMS series engine |
| Engine Model |
QSZ13-G3 |
| Starting Method |
DC 24V Electric |
| Cooling Method |
Water cooling |
| Speed Control mode |
ESC(electronic speed controller) |
| Protection Class |
IP22 protection class |
| Connection Method |
3-phase 4-wire Y type |
| Number of Phases |
3-phase |
| Insulation class |
H class |
| Controller module |
DSE (Deep Sea Electronics) |
You can add automation, sound attenuated enclosure and mobile trailers. Sincerely welcome you to establish long-term cooperation with us, to create a bright tomorrow.
Silent generator set
In today's era of increasingly diverse energy demands, generator sets-as core equipment for emergency and mobile power supply-have expanded their applications beyond traditional industrial sectors to encompass commercial, residential, and outdoor operations. Silent generator sets, leveraging their core advantages of "low noise, high adaptability, and robust stability," are emerging as the preferred power solution for noise-sensitive environments, redefining the environmental and practical standards for power generation equipment.
II. Huaquan: China's Professional Manufacturer of Silent Generator Sets
As a leading specialist in China's silent generator set manufacturing sector, Huaquan remains committed to delivering exceptional power solutions for global markets. Integrating R&D, manufacturing, and service, the company leverages its deep expertise in acoustic engineering and precision manufacturing to develop a comprehensive range of silent generator sets across multiple power ratings. Featuring advanced composite noise reduction structures, intelligent cooling ducts, and efficient muffling systems, its products maintain industry-leading noise control even under demanding conditions while delivering outstanding stability and fuel efficiency. From safeguarding continuous power supply for hospital life support systems and protecting data security in data centers to providing quiet power solutions for high-end outdoor events, Huaquan has become a trusted power assurance partner across industries through customized products and comprehensive services.
III. Core Advantages of Silent Generator Sets
1. Low-noise and eco-friendly, suitable for diverse scenarios: Whether for emergency power supply in residential areas, conference support in hotels, or noise-sensitive environments like hospitals and schools, silent generator sets deliver stable electricity while avoiding noise pollution, meeting environmental requirements. 2. Portable and Flexible Deployment: Most units feature trailer-mounted designs with towing equipment and stabilizing legs, enabling rapid relocation to power-required locations. This makes them ideal for emergency power needs in outdoor construction, temporary events, disaster relief, and similar scenarios.
3. Stable, Reliable, and Long-Lasting: Powered by diesel engines, these units feature rapid startup, low failure rates, and extended runtime capabilities. They support continuous power supply for extended periods, meeting the prolonged electricity demands of industrial production and large-scale events.
4. User-Friendly Operation and Low-Maintenance Design: Equipped with an intelligent control panel enabling one-touch start, automatic shutdown, and fault alerts. Premium models support remote monitoring and automatic parallel operation to simplify operation. The enclosed enclosure design effectively shields internal components from dust and rain erosion, reducing maintenance frequency and costs.
IV. Key Considerations for Selecting Silent Generator Sets
1. Power Matching: Select appropriate rated power based on actual electricity demand to avoid energy waste from over-sizing or equipment overload damage from under-sizing. Account for devices with high starting currents by reserving a 20%-30% power margin.
2. Noise Standards: Select corresponding noise levels based on application environment restrictions. For hospitals or residential areas, models within 60-70 dB(A) are recommended; outdoor construction sites may opt for 75-85 dB(A) models.
3. Fuel Type: Diesel models offer robust power and extended runtime, suitable for prolonged operation. Gasoline models are compact and lightweight, ideal for mobile short-term power supply; natural gas models are environmentally friendly, suitable for scenarios with stringent emission requirements;
4. Brand and Quality: Select brands with core technologies and strong reputations to ensure equipment reliability and after-sales service quality; prioritize reputable brands for core components like engines and generators to extend equipment lifespan;
5. Additional Features: Choose based on needs whether automatic start, remote monitoring, or parallel operation functions are required to enhance usability.
V. FAQs on Silent Generator Sets
1. What key points should be noted for daily maintenance of silent generator sets?
Regular inspections: Weekly checks of oil levels, coolant, and fuel reserves; monthly cleaning of air filters and heat dissipation channels.
Noise-reduction components: Quarterly inspection of sound-absorbing cotton for aging and vibration dampers for deformation; prompt replacement of damaged parts.
Operational maintenance: After prolonged shutdowns, start and run the unit for 30 minutes monthly to prevent engine carbon buildup.
Professional Servicing: Conduct an annual comprehensive inspection including muffler cleaning, electrical circuit testing, and bearing lubrication.
2. What safety precautions should be observed when using silent generator sets?
Placement Requirements: Never operate indoors or in enclosed spaces. Place outdoors in an open, well-ventilated area to prevent carbon monoxide poisoning.
Fuel Safety: Shut down and allow the engine to cool before refueling. Keep away from ignition sources. Store gasoline/diesel properly.
Electrical Safety: Avoid outdoor use during rain or snow. Ensure wiring meets standards to prevent short circuits. Keep children away.
Load Control: Never exceed the unit's rated power capacity. Allow sufficient reserve capacity when starting high-power equipment (air conditioners, water pumps) to prevent overload damage.
3. What technologies enable low-noise operation in silent generator sets?
Soundproof Structure: Double-layer cold-rolled steel plate + acoustic cotton composite enclosure with sealing strips at joints to prevent noise leakage.
Silencer System: Impedance composite muffler reduces exhaust noise; perforated plates + acoustic materials at intake/exhaust ports.
Vibration Damping Design: Rubber/spring vibration dampers mount the engine to the base; flexible connections for exhaust pipes and fuel lines minimize vibration transmission.
Heat Dissipation Optimization: Low-noise variable-speed fans + labyrinth air ducts balance cooling efficiency with noise reduction, preventing airflow turbulence from generating additional noise.
VI. Application Scenarios for Silent Generator Sets
1. Commercial and Civil Sectors: Emergency backup power for hotels, office buildings, shopping malls, and similar venues; temporary power supply during residential power outages to prevent disruptions to normal operations or daily life.
2. Medical and Educational Sectors: Backup power for critical areas such as hospital operating rooms, intensive care units, and laboratories to ensure continuous operation of medical equipment and diagnostic instruments; Emergency power for school buildings and libraries to safeguard teaching activities from disruption.
3. Outdoor and Engineering: On-site power for road construction, bridge building, mining operations, and other outdoor works to supply construction machinery and lighting equipment; emergency power for temporary events like large concerts, sporting events, and exhibitions to ensure proper functioning of sound systems, lighting, and equipment.
4. Emergency and Rescue: Power supply to disaster zones following earthquakes, floods, typhoons, and other natural disasters, supporting rescue equipment and temporary shelters to aid emergency response and post-disaster reconstruction.
5. Industrial Sector: Backup power for factory production lines to prevent production interruptions caused by grid outages and minimize economic losses; emergency power for data centers and communication base stations to ensure stable operation of data storage and communication networks.
Silent generator sets have overcome the "noise pollution" challenge of traditional generators through technological innovation. With their core advantages of low noise, stability, and flexibility, they have become the central solution for modern society's diverse power supply needs. Whether for emergency backup, outdoor operations, or powering special facilities, silent generator sets deliver unique value, providing robust assurance for the stable operation of production and daily life. They are driving the power generation equipment industry toward greater environmental sustainability and efficiency.
Shandong Huaquan Power Co., Ltd. is located in Shandong, China. It was established in 2010 with a registered capital of 70 million and more than 100 R & D personnel. It currently covers an area of more than 40,000 square meters. The main business is divided into three major sections: emergency equipment, energy storage power supply, and power engineering. The main products include energy storage power supply, diesel power stations, gas power stations, trailer power stations, container power stations, flood prevention emergency pumps, integrated generators, container transformation stations and so on. Adhering to the corporate mission of "making green energy all over the world", Huaquan Company has created three major brands including "HQ-POWER", "HUAQUAN" and "huaquan". At present, the company has developed into a powerful brand in the power industry, and its products are exported to more than 100 countries and regions.
Production process
Business partner
Our Products
1. Who are we?
Shandong Huaquan Power Co., Ltd. is located in Weifang City, Shandong Province. We have been specialized in producing generators for more than ten years. We have our own registered trademarks, production lines, testing equipment, sales team and research and development team. Our main products are portable power station, diesel oil generator set, gas generator set, trailer power station, container power station, water pump sets, integrated generator, container converting substation and so on.
2. How can we guarantee quality?
Huaquan Power focus on quality and responsibility .we pays more attention to the quality what we offer to our client and also care the after sale service for our customers.
(1). Huaquan Power series diesel generators offer one year warranty or 1000 running hours, during its warranty time, we offer spare parts for free. (Caused by the quality problems)
(2). When you buy our generator, we suggest you choose our spare parts service pack. When you need buy spare parts, you can get them from us all the time.
(3). When you meet problems, you will easy to contact with us.
3. Delivery and Payment terms:
(1) Delivery always after your payment within 3-7 working days, we have so many sets in stock, any time you can order from us.
(2)We accept T/T, L/C payment and so on, 30% as deposit.
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