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The generator high-voltage test load developed and designed by Hebei Hanlan Environmental Technology Co., Ltd. can directly measure the high-voltage power supply without going through a transformer. It can simulate a variety of voltages, currents and power levels to test the performance of the high-voltage generator. The test load adopts remote operation mode, connected to the load body through a computer or the network cable of the experimental bench to control the load, which not only ensures the safety of the operator, but also has multi-functional characteristics. It can meet the personalized application needs of different users.

Generator manufacturers will inevitably encounter such problems when selecting test equipment for their high-voltage generators, that is, manufacturers want to purchase high-voltage dry AC loads for setting tests and transient tests, but after consulting multiple load manufacturers, they are toldhigh voltage loadInsulation requirements are high and technical difficulties are high, making domestic production processes difficult to manufacture. Some manufacturers even recommend that users purchase low-voltage loads and transfer them through step-down transformers to step down the high-voltage generator set before testing. However, the "high-to-low" plan transferred through the pressure reducer has the following problems:

First of all, there are safety hazards. After the high-voltage generator is connected to the transformer, the entire test system undergoes voltage changes, which becomes more complex and increases potential trouble and risks.
Secondly, the test data is inaccurate. After the high-voltage generator is connected to the transformer, the data obtained by the load test is different from that obtained when the high-voltage generator is directly connected, and the error will be amplified, affecting the reliability of the test report.

Third, it is neither convenient nor affordable. Users want to test high-power generators. The corresponding transformer is large in size and weighs in tons, which is inconvenient to install and move. Moreover, only the weight and price of the transformer are equivalent to the entire test load system, which virtually increases the user's cost investment.

1. Measurement and control functions

1. Load test: The rated value can be loaded to measure and display the steady-state three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency, operating time and other parameters of the generator set.
2. One-click load addition and subtraction: Whether a manual switch or software control is used, the power value can be set first, and then the main loading switch can be activated, and the load will be loaded according to the preset value, thus avoiding load fluctuations during the power adjustment process.
3. Control method selection: You can choose local or intelligent methods to control the load.
4. Local control: The load is equipped with a local control panel and is divided into several power gears. The loading can be controlled through switches.
5. Intelligent control: Control the load through the data management software on the computer to realize automatic loading, display, record and manage the test data, generate various curves and charts, and support printing.
6. Interlocking of control methods: The system is equipped with a control method selector switch. After selecting any control method, the operations performed through other methods will be invalid to avoid conflicts caused by multiple operations.
7. Local instrument display data: Three-phase voltage, current, active power, reactive power, apparent power, power factor, frequency and other parameters can be displayed through local measuring instruments.
 

2. Software functions

1. Communication method: Intelligent control uses optically isolated RS485 communication serial port to connect to PC, which has strong anti-interference capabilities and ensures the stability of system control. You can also realize the conversion of various communication protocols through a converter, using USB or RS232 ports for communication.
2. Loading method: manual loading or automatic loading.
3. Manual loading: Input power and power factor, that is, load according to the specified values.
4. Automatic loading: The power and duration of multiple loading stages can be set during testing, and the stage test can be automatically carried out in the preset order of 0%→25%→50%→75%→95% or 110%.
5. Parallel test: When multiple loads are parallel, the software can perform parallel test. It can not only display and record the parameters of each load, but also display and record the total system parameters after parallel.
6. Real-time parameters: During the testing process, the software can display main parameters such as voltage, current, power, power factor, frequency, and time in real time.
7. Safety monitoring: The load status can be visually monitored through software indicators, and the reason for the shutdown is prompted when abnormal shutdown protection is provided.
8. Data collection interval: The smaller data storage interval is 2 seconds.
9. Data preservation and query: Test data can be saved in the software and historical test data can be queried at any time.
10. Graphical display: It can display real-time or historical test data, and supports printing as the following curves and graphs: 1) Real-time voltage, current, frequency, power curve;2) Voltage curve;3) Current curve;4) Power curve;5) Frequency curve;6) Power factor curve.
11. Data format: Charts and curves can be output in word document format, and test data can be output in Excel table format, and printing is supported.

In addition, Hebei Hanlan high-voltage load box adopts outdoor standard container design, with high protection level, good insulation performance, high withstand voltage performance and easy transportation, and can be used in various fields.

With the continuous advancement of science and technology, medium and high-voltage power transmission and distribution and medium and high-voltage generator sets play a pivotal role in our daily production and life. Medium and high-voltage power transmission and distribution have small long-distance transmission losses, economical use, and scientific power structure., distribution and management are convenient, while medium and high-voltage generator sets have been widely used in various fields such as shipbuilding, ocean engineering, finance, power, communications industry, *, and petroleum. In particular, high-power and high-voltage generator sets are popular because of their strong output capabilities, but there are technical difficulties in carrying out on-load testing of them. When the high-voltage load cabinet is loaded at full load, the heat generated by its ultra-high power is considerable, and the output voltage of the high-voltage generator set reaches 10,000 volts, which is a test for the withstand voltage of the load cabinet. Manufacturers that can produce qualified high-voltage load cabinets also need to have real hard work. If the safety factor of the load cabinet is not good, the safety of operators and machines cannot be guaranteed, so high-voltage generator set manufacturers need to be extra cautious when selecting acceptance and testing load equipment.

addition toGenerator set test loadIn addition to its own quality, a strict safety protection system with automated functions can also avoid losses caused by human negligence and is a necessary guarantee for safe operation. Supporting the test load of high-voltage generator sets is also another successful application of the automatic security system. Environmental data can be collected through the high-precision acquisition module, and the control chip automatically performs protection actions.

high-voltage load cabinetThe ultra-high power resistor protection is encapsulated in the container, and the internal air duct is reasonably designed, with air entering on both sides and air exiting on the top to avoid headwind problems caused by variable outdoor wind directions. The top door and side door can be opened and closed freely. After the powerful fan is turned on, it can blow away the heat generated when the 3000KW power is at full load, ensuring that the internal temperature of the load cabinet is controlled within the safety line.

When the high-voltage generator set test system performs loading operations, no personnel need to approach, and the four-fold protection function of the cooling system can automatically protect the load cabinet. When the ventilation door is not opened and the air duct is not smooth, the fan is operating abnormally, the temperature in the load cabinet exceeds the warning level, or there is smoke in the load cabinet, the automatic protection function will be turned on, forcing the loading to be suspended, leaving only the fan to rotate and continue to dissipate heat, prevent temperature from rising, and protect operation safety. In addition, after the high-voltage load is turned on, if it is not loaded for a long time, the system will intelligently stop the fan to save power.
 

The high-voltage load is also equipped with an emergency stop function, which can be stopped with one click through an external console or PC software to control the load cabinet to shut down. When the emergency stop or protection function is triggered, the load cabinet will continue to sound the alarm. The console and PC software can explain the cause of the alarm and remind the staff to pay attention. In order to prevent false positives or meet the user's special test needs, all protection functions can be freely set on switches to turn off the alarm when necessary.
 

To sum up, high-voltage generator sets provide great convenience for our daily production and life, and functional testing of them is an indispensable and important part. So how to choose a suitable generator set for users?high-voltage load box, it also needs to be matched according to the needs of different application occasions, and it is naturally an important lesson for users to truly choose equipment that is suitable for them in many aspects such as safety, functionality and automation.
 

Hebei Hanlan Environmental Technology Co., Ltd. was founded in 2003, is a high-tech enterprise focusing on the field of power industry equipment, We specialise in the design, development and manufacture of exhaust gas purification equipment for generator sets, black smoke purifiers for diesel engines, exhaust gas purifiers for forklift trucks and high-performance high-pressure load banks. Among them, the exhaust gas purification equipment adopts advanced SCR denitrification technology, equipped with high-performance catalysts, realising ultra-low emission of NOx, with leading technology and high efficiency. The high-voltage load bank, with its precise power control, stable performance and strong environmental adaptability, has become the first choice for testing of generator sets and new energy devices.

Hebei Hanlan Environmental Technology Co., Ltd. has successfully served many enterprises at home and abroad and won wide recognition in the market by virtue of excellent product performance, rich project experience and perfect after-sales service system. We are committed to providing customers with efficient and reliable environmental protection solutions, promoting green development and creating a better future.

Hebei Hanlan Environmental Technology Co., Ltd. was founded in 2003, is a high-tech enterprise focusing on the field of power industry equipment, We specialise in the design, development and manufacture of exhaust gas purification equipment for generator sets, black smoke purifiers for diesel engines, exhaust gas purifiers for forklift trucks and high-performance high-pressure load banks. Among them, the exhaust gas purification equipment adopts advanced SCR denitrification technology, equipped with high-performance catalysts, realising ultra-low emission of NOx, with leading technology and high efficiency. The high-voltage load bank, with its precise power control, stable performance and strong environmental adaptability, has become the first choice for testing of generator sets and new energy devices.

Hebei Hanlan Environmental Technology Co., Ltd. has successfully served many enterprises at home and abroad and won wide recognition in the market by virtue of excellent product performance, rich project experience and perfect after-sales service system. We are committed to providing customers with efficient and reliable environmental protection solutions, promoting green development and creating a better future.

Advantage

One-stop environmental solution provider

Hanlan Environmental, as a technological leader in the aftertreatment of exhaust gas from medium and heavy internal combustion engines, has been ploughing into the internal combustion power industry for 20 years, and is committed to providing a full range of professional solutions for aftertreatment, pre-treatment, noise reduction, and test loads. We advocate and realise the one-stop purchase mode, which makes the environmental protection and testing support of medium and heavy internal combustion engines more convenient and efficient.
In the field of load products, we also excel. The load products provided by Hanlan Environment include generator load cabinets, data centre load banks and load bank rental services, which not only have excellent performance, but also can meet the needs of various complex application scenarios. These products not only have excellent performance, but are also easy to operate, which can help users complete the testing tasks efficiently and accurately.

Standardized navigation, consistent quality

Hanlan Environmental is deeply committed to the standardisation and normalisation of the industry, and has independently developed a number of corporate standards, including the standard for dry AC loads Q/HLK62-2023, the standard for internal gas exhaust aftertreatment systems for off-road mobile machinery Q/HLK01-2019, and the standard for VOC products Q/HLK05-2017.These standards are renowned for their rigour and sophistication, which ensures that Hanlan Environmental's products achieve a high degree of consistency in performance and quality, meeting the market demand for high-quality environmental products.

Through the implementation of these corporate standards, Hanlan Environmental not only enhances the competitiveness of its own products, but also further consolidates its leading position in the industry. At the same time, the formulation of these standards also continues the consistent technical tradition of Hanlan Environmental, showing its persistent pursuit of technological innovation and quality control.

Industry-leading independent intellectual property system
With its excellent R&D capability and innovative spirit, Hanlan Environmental has successfully built an industry-leading independent intellectual property rights system. The enterprise currently has more than 30 national patents and software copyrights, covering key technologies in all aspects from equipment control, safety protection, heat dissipation and insulation, installation process to the structure of the whole machine.
These independent intellectual property rights not only highlight the strength of Hanlan Environmental in technological innovation, but also provide the enterprise with strong market competitiveness. Through independent research and development, Hanlan Environmental can ensure the uniqueness and advancement of the products to meet the market demand for high-quality environmental protection products.

R&D capability
The company has a research and development team with solid theoretical foundation and rich practical experience. While constantly learning from the top product research and development experience at home and abroad, the company has established long-term technical cooperation with Tsinghua University School of Thermal Engineering, Beijing Low Carbon Research Institute, Tsinghua University School of Automotive Engineering, Hebei University of Science and Technology School of Environmental Science and Engineering, Institute of Engineering Thermophysics of the Chinese Academy of Sciences and other colleges and universities, scientific research institutions, etc., making full use of the advantages of enterprises and testing and verification, equipment design and manufacturing, engineering implementation and other areas of advantage. We make full use of the advantages of enterprises and universities in the fields of scientific research and development, testing and verification, equipment design and manufacturing, engineering implementation, etc. We have also established the Air Pollution Control Research Centre with the School of Environmental Engineering of Hebei University of Science and Technology. The research centre for air pollution control was established with the School of Environmental Engineering of Hebei University of Science and Technology. It has laid a solid core strength for the research and development of Hanlan environmental protection products.

Global layout, leading the new trend of environmental protection
With the help of ‘Green Mountains and Green Water’, ‘Beijing-Tianjin-Hebei Synergistic Development’, ‘One Belt, One Road’, and the national strategy of civil-* integration, the company has become a service provider for large-scale enterprises, such as PetroChina, Sinopec, China Railway, and China Construction Machinery, etc. It is the preferred exhaust gas purification system provider for defence industry and IDC data centre. It has become a service provider for large enterprises such as PetroChina, Sinopec, China Railway, China Construction Machinery, etc., and is the preferred exhaust gas purification system provider for national defence industry and IDC data centre. Over the past twenty years, tens of thousands of purification systems, dozens of distributed energy power plants and industrial exhaust gas purification projects are in continuous operation in more than 20 provinces in China, as far south as the Nansha Islands, as far north as Jiamusi, as well as in many overseas countries and regions.