Huaquan Power Diesel Generator 500kw 625kVA Silent Type Diesel Standby Generator
| Customization: | Available |
|---|---|
| After-sales Service: | Global After-Sales |
| Warranty: | 1 Year or Running 1000 Hours |
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Basic Info.
- Model NO.
- HQ500GF
- Type
- Basic Diesel Generator
- Installation Method
- Fixed
- Stroke
- Four Stroke
- Cooling Method
- Water Cooling
- Output Type
- AC Three Phase
- Conditions of Use
- Land Use
- Usage
- Common Units, Standby Unit
- Landuse Type of Unit
- Ordinary
- Excitation Mode
- AC Rotating Exciter
- Date of Delivery
- 3-7 Working Days
- Electric Machine
- Leroysomer
- ODM/OEM
- Yes
- MOQ
- 1 Set
- Transport Package
- Standard Packing
- Specification
- 3680*1550*1900(L*W*H mm)
- Trademark
- HUAQUAN
- Origin
- Shandong, China
- Production Capacity
- 4000sets/Year
Product Description
In today's modern world where electricity demand is ubiquitous, sudden power outages can easily trigger production disruptions, data loss, and security risks. Diesel standby generators, with their proven reliability, rapid response capabilities, and extended runtime, have become the standard emergency power solution for critical applications such as industrial manufacturing, data centers, healthcare facilities, and commercial buildings. They serve as the core equipment safeguarding uninterrupted power supply.
I. Diesel Standby Generator
A diesel standby generator is an emergency power supply system fueled by diesel, comprising a diesel engine, an AC generator, an intelligent control system, and an ATS automatic transfer switch. It remains on standby during normal operation. When utility power fails or voltage abnormalities occur, it can be activated automatically or manually to rapidly provide stable power to critical loads. This constitutes a standardized backup power solution for addressing power outage risks.
II. Huaquan: Professional Manufacturer of Diesel Standby Generators
Huaquan is a professional manufacturer of diesel standby generators, specializing for years in the R&D, production, sales, and one-stop services of diesel standby generators. We consistently leverage professional expertise and stringent standards to craft high-quality emergency power supply equipment. With deep expertise in the emergency power sector, the company possesses mature production processes, a comprehensive quality control system, and a professional technical team. It provides customized, highly reliable diesel standby generator products and solutions tailored to diverse industry and application-specific power requirements. Through stable product performance and attentive after-sales service, Huaquan has become a trusted diesel standby generator brand for numerous users.
III. Core Advantages of Diesel Standby Generators
1. Second-Level Start-up, Seamless Transition
Equipped with an ATS automatic transfer system, it completes start-up, voltage regulation, and load transfer within 10-15 seconds after mains power failure. When paired with a UPS, it ensures uninterrupted power supply, preventing equipment shutdown and data loss.
2. Extended Runtime, Fuel Security
Diesel fuel boasts high energy density and extended storage periods, supporting continuous operation from hours to days. Its higher flash point ensures superior storage and operational safety compared to gasoline.
3. Full-Scene Adaptability and Environmental Resilience
Offering a broad power coverage range, it suits applications from small retail spaces to large factories. It operates reliably in extreme environments from -40°C to 50°C, meeting demands in frigid, arid, and remote regions.
4. Cost-Effective Durability with Simplified Maintenance
Features mature mechanical design and low failure rates, with initial investment and maintenance costs significantly lower than gas-fired generators or fuel cells.
5. Independent Operation with Strong Risk Resistance
Operates autonomously using self-supplied fuel without reliance on external infrastructure like gas pipelines or public grids, ensuring reliable power supply during natural disasters or grid failures.
IV. Core Considerations for Selecting Diesel Standby Generators
1. Accurate Power Calculation
Allocate 20%-30% reserve capacity based on total load, distinguishing between Standby Power (LTP) and Prime Power (PRP) to avoid "overkill" or "underutilization."
2. Prioritize Fully Automatic Control
Select models with ATS automatic transfer switches to enable unattended operation, automatic shutdown upon grid restoration, and fault alarms, enhancing emergency response efficiency.
3. Select Models Based on Environment
Choose open-type units for indoor machine rooms; opt for silent models in urban areas and residential zones; select rainproof, dustproof, or containerized units for outdoor use.
4. Focus on Core Configurations
Prioritize brushless generators, triple-stage fuel filtration, and high-capacity batteries to enhance starting reliability and operational stability.
V. FAQs About Diesel Standby Generators
1. What is the difference between a standby generator and a prime power generator?
Standby Generator: Used only during power outages, with limited annual operating hours. Emphasis is placed on reliable starting and rapid emergency response.
Prime Power Generator: Operates continuously as the primary power source. Emphasis is placed on durability, fuel efficiency, and sustained stability.
2. Does a standby generator require regular maintenance?
Yes.
Conduct one no-load test run monthly; regularly replace engine oil and the three filters; inspect batteries, wiring, and fuel conditions; ensure reliable startup and load-bearing capability during critical moments.
3. Can a standby generator operate automatically?
Yes.
When paired with an ATS (Automatic Transfer Switch) dual-power automatic switching system, it can achieve: automatic startup during power outages; automatic shutdown when power is restored; unattended operation.
VI. Application Scenarios for Diesel Standby Generators
1. Data Centers / Communication Rooms: Ensures 24/7 operation of servers and network equipment, preventing service interruptions and data loss.
2. Medical Facilities: Provides uninterrupted power for operating rooms, ICUs, life support systems, and pharmaceutical refrigeration systems.
3. Industrial Production: Avoids production line shutdowns and equipment damage, minimizing economic losses from production halts.
4. Commercial Buildings / Hotels: Ensures normal operation of elevators, emergency lighting, fire protection, security systems, and central air conditioning.
5. Infrastructure / Field Operations: Emergency and temporary power supply in grid-unavailable areas such as mines, construction sites, and field exploration.
6. Residential Communities: Safeguard the secure operation of public facilities including high-rise firefighting systems, emergency lighting, and elevators.
Diesel standby generators represent the most reliable, versatile, and cost-effective emergency backup power solution available today. Proper selection and standardized maintenance ensure stable power output during critical outages, fortifying the power defense line for production, operations, and safety. They have become indispensable power assurance equipment across diverse scenarios.



Technical characteristics
| Model | HQ500GF |
| Output power | 500kW |
| Power factor | COSΦ=0.8(lagging) |
| Output voltage | 400V/230V |
| Output current | 900A |
| Rated frequency | 50/60Hz |
| Rated speed | 1500/1800rpm |
| Dimension | 3680×1550×1900(L×W×H mm) |
| Weight | 4650kg |
| Diesel engines brand | HUAQUAN |
| Diesel engines model | SC27G830D2 |
| Start method | 24V DC Electric start |
| Cooling method | Water cooling system |
| Speed regulation mode | Electronic speed regulation |
| Protection class | IP22 |
| Wiring mode | 3-phase 4-wire Y-type |
| Insulation class | H Class |
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.

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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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