VILVA's Load Bank for Generator

### VILVA Empowers Data Center Infrastructure Stability

In the face of a rapidly evolving digital landscape, Southeast Asia has emerged as a significant player in the global data center infrastructure boom. This surge is fueled by substantial investments from leading cloud service providers, innovative AI platforms, and major telecommunications companies seeking to enhance their service offerings. As the demand for reliable and robust data centers continues to rise, VILVA stands at the forefront, providing essential solutions that ensure the stability and efficiency of these vital infrastructures.

Recently, VILVA marked a significant milestone by delivering over 200 units of our customized VILVA-AC230V-3kW-R rack-mount AC load banks to a customer in Southeast Asia. This accomplishment not only reflects VILVA’s commitment to quality and innovation but also highlights our responsiveness to the unique needs of regional markets. These state-of-the-art load banks will provide comprehensive testing and operational maintenance support, instrumental in securing the local data center landscape against potential disruptions.

#### Key Functions for Data Centers

At VILVA, we understand that the reliability and performance of data centers hinge on rigorous testing and validation processes. Our rack-mount load banks play a crucial role in simulating IT equipment loads, enabling data center operators to validate power and cooling performance throughout all phases of their infrastructure, from design to commissioning and ongoing operations.

**Accurate IT Load & Heat Simulation**

Our load banks utilize resistive and inductive elements to effectively replicate server power consumption and heat output. This capability supports steady-state, peak, and dynamic load testing while ensuring repeatable curves that mitigate risks to live operations. By offering precise simulations, we provide operators with the data they need to optimize their systems without jeopardizing service continuity.

**Full Power System Validation**

In a complex data center environment, it is imperative that all components—from uninterruptible power supplies (UPS) to power distribution systems—function seamlessly. VILVA load banks are designed to stress-test these systems, verifying capacity, voltage and frequency stability, and the effectiveness of switching and redundancy strategies. Through rigorous testing, we help data centers ensure robust protection against overloads and short-circuits, significantly minimizing the risk of operational failures.

**Cooling & Thermal Management Evaluation**

Efficient cooling remains a cornerstone of effective data center management. Our load banks simulate cabinet-level airflow and heat distribution, allowing operators to validate their cooling systems and optimize airflow. By preventing hotspots and reducing energy waste, we contribute to a more sustainable and cost-effective data center operation.

**Commissioning & O&M Assurance**

VILVA’s solutions enhance reliability through final acceptance testing that verifies Power Usage Effectiveness (PUE) and overall power reliability. Additionally, our load banks facilitate periodic load tests after maintenance or facility expansions, enabling data center managers to predict equipment lifespan and make informed decisions on resource allocation.

**Modular & Intelligent Management**

Designed for flexibility, our standard rack unit supports modular parallel expansion, accommodating future growth without significant infrastructure changes. Featuring PLC control and remote monitoring capabilities, our solutions enable auto-loading, data logging, and seamless report generation, ensuring that data center operators can maintain optimal performance with minimal effort.

#### Product Highlights

VILVA's advanced load banks are built for safety, efficiency, and ease of use. They feature low maintenance requirements and operate with minimal noise, making them an optimal choice for diverse environments. The axial fans provide high airflow for efficient cooling while producing low operational noise levels—essential attributes in densely populated server rooms. Moreover, our 4U standard rack size (483×600×176mm) ensures easy integration into existing infrastructures, minimizing disruption while maximizing performance.

In conclusion, as Southeast Asia continues to expand its data center capabilities, VILVA remains dedicated to empowering operators with innovative solutions. Our load banks are invaluable tools that ensure data centers are not only built to withstand the demands of today but are also agile enough to adapt to the challenges of tomorrow. Through our commitment to excellence and regional demand-driven customization, VILVA is paving the way for a stable and efficient digital future.

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Uninterruptible Power Supplies (UPS) are critical for sustaining stable power supply to core equipment, widely deployed in data centers, medical facilities, industrial automation and other key sectors. Professional and accurate testing systems are essential to guarantee reliable performance and stable operation of UPS units.





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Core Advantages


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Compliant with standard UPS testing methods and procedures, VILVA has developed an all-in-one solution integrating complete testing hardware and dedicated software. Operate the system locally via touch screen industrial control panels, or remotely through Wi-Fi and network cables. Equipped with exclusive upper computer software, the system conducts comprehensive functional tests for UPS efficiently. It greatly boosts R&D and production efficiency, and provides solid quality assurance for high-power UPS before delivery.





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System Components


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All configurations can be customized according to specific testing requirements.


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Bidirectional DC Battery Simulator



Featuring optimized hardware design and advanced control algorithms, this unit combines a high-precision DC power supply and regenerative electronic load in one device. It seamlessly switches between power source and load modes. The absorbed power is fed back to the grid for energy saving, fully simulating the working status of batteries.















Resistive Load Bank



Available in single-phase and three-phase types. It adopts segmented power control and supports sudden load connection and disconnection. With dissipative operation mode and forced air cooling, it ensures reliable constant-power discharge. The self-developed power components deliver high power density without overheating glow. Built-in overheat protection prevents damage even if the fan malfunctions, ensuring outstanding safety and long service life.















Digital Oscilloscope



It comes with 100MHz bandwidth and 2/4 analog input channels. Each channel offers a record length of 10M, enabling detailed waveform capture to record every signal subtlety accurately.















Data Analyzer



This multi-channel AC/DC data analyzer is designed for power parameter measurement of electrical appliances, power supplies, motors, inverters and more. Driven by a high-speed DSP processor and 16-bit high-precision AD sampler, it supports simultaneous multi-channel measurement. It is compatible with RS232/RS485 serial ports and SCPI communication protocol, and supports remote control and alarm parameter presetting to meet diverse power testing demands.















Upper Computer



It acts as the central control platform to remotely manage all testing devices. Users can set parameters, start and stop test processes, and view real-time testing data visually. The system also supports data storage and automatic generation of standard test reports. It realizes full-process automation, streamlines operation and improves testing efficiency and standardization.




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As a vital tool for quality control, the UPS test system comprehensively evaluates the stability, conversion efficiency and operational reliability of UPS equipment.





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TEST ITEMS (OPTIONAL)



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AC power-on self-start test
Maintenance switch function test


Communication port test
EPO (emergency stop) function test


Software version check
Output current calibration


Confirm UPS related parameters
Load error test


Set UPS related parameters
Enter ITHD Test


Write serial number
Mains full load output voltage frequency stability


UPS cold start function verification
Mains full load test BUS voltage


Cold start output voltage test
Mains full load output harmonic test


UPS, BUS voltage calibration
Mains full load output DC component


Input voltage calibration
Battery full load output voltage frequency stability


Inverter voltage calibration
Battery full load test BUS voltage


Battery voltage calibration
Battery full load output harmonic test


No-load output voltage stability in battery mode
The battery outputs DC component when fully loaded


Battery mode no-load test BUS voltage
Output short circuit test


Battery mode output harmonic test
Overload to BYPSS function test


Mains mode no-load output voltage stability
Light load, full battery load, mains mode conversion


Mains mode no-load test BUS voltage
Input, output phase difference measurement


Mains mode output harmonic test
Output waveform phase difference measurement


UPS phase sequence reverse function verification
Clear abnormal information and restore factory values








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Backed by professional testing expertise, VILVA’s smart UPS test systems help clients ensure quality and refine product design. We keep innovating in power testing to deliver precise, efficient and dependable testing support for all UPS products.






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VILVA High-Voltage Load Bank Successfully Deployed at Changsha Huanghua International Airport
Enabling Precise and Reliable Generator Testing
Shenzhen VILVA is a leading intelligent manufacturing solution provider deeply rooted in the new energy industry. Our custom-developed VILVA-10.5kV-1800kW-R High-Voltage Load Bank has been officially applied to the generator testing project at Changsha Huanghua International Airport, delivering exceptional precision in load simulation and stable, reliable operation.





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Core Advantages Addressing Industry Challenges


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Amid the digital transformation, VILVA high-voltage load banks break through the limitations of traditional testing methods. They achieve seamless integration with computers and establish a full-process intelligent testing system. Once parameters are set as required, automatic testing can be completed effortlessly.





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Dual Control Modes with Flexible Switching


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The system supports manual switching between local/remote modes with an interlock design to ensure operational safety:
• Local Mode: When switched to the "Local" position, the device can be operated directly via the touchscreen. Users can also switch to remote mode via the touchscreen to suit on-site commissioning needs.
• Remote Mode: When switched to the "Remote" position, the touchscreen is automatically disabled. Users can connect through the RS485 communication interface on the terminal block, develop independent software, and integrate it into a host computer system for centralized control.





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VILVA also supports operation via a dedicated mobile APP!


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Data Visualization Management
Equipped with self-developed data management software and a three-phase integrated power meter, it displays key parameters in real time, including load voltage, current, active power, reactive power, apparent power, power factor, and frequency. Data can be exported via the debugging assistant on a USB drive and viewed on any computer.
Superior Scalability
Supports parallel operation of multiple units, enabling unified management of multi-load system parameters. It is perfectly suitable for high-power electrical equipment testing in large power stations, airports, and other facilities, providing efficient solutions for large-scale testing.
Intelligent Load Simulation for Comprehensive Testing
Specially designed for outdoor high-voltage applications:
• High-Precision Load Output: Rated voltage AC 10.5kV, 50Hz/60Hz, resistive load up to 1800kW, power factor 1. Supports three-phase synchronous step-by-step switching to accurately simulate various load conditions.
• Robust Protection Design: Containerized structure with IP54 protection rating. Operates stably in a wide temperature range of -10℃ ~ +50℃, easily adapting to harsh environments such as humidity, dust, and large temperature fluctuations.






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Versatile Application Scenarios


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Safeguarding the Reliability of Power Equipment
From generator manufacturing plants and marine power systems to backup power testing in data centers, VILVA load banks stand out for their stable performance, intelligent operation, and strong environmental adaptability.
VILVA provides customized testing solutions for clients across various industries, becoming the preferred choice to ensure the reliability of power equipment worldwide.

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Safe & Reliable｜Empower Efficient O&M for U.S. Power Supply Factory

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VILVA specializes in R&D and manufacturing of power testing equipment. With safety, stability and high precision, we provide one-stop testing solutions for global high-end manufacturing.
The VILVA-DC50V-300KW-R DC Load Bank is customized for U.S. power supply factories and fully complies with international safety and testing standards.





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Core Advantages


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• Real Load Simulation, Accurate Testing
• Provides stable and high-precision DC load, simulating real working conditions of batteries, chargers and motors. Fully verifies loading capacity, voltage stability, conversion efficiency and temperature rise.
• Full-process Factory Testing, Ensuring Quality
• Supports aging test, full/half load test, short-circuit protection, over-current protection and efficiency calibration, ensuring 100% qualified products.
• Efficient Production & O&M, Cost Saving
• Ideal for mass production, quality inspection and repair. Fast testing, shorter cycle, lower cost and higher yield.





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Key Highlights｜Safety First


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• Comprehensive Safety Protection: Over-voltage, over-current, over-temperature and overload protection for safe and stable operation
• Precise Load Simulation: Adapts to various voltage, current and power conditions
• High-precision Measurement: Real-time display and recording of voltage, current, power
• Intelligent Control: RS485 communication, compatible with host computer centralized control






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As the energy hub of the Middle East, Saudi Arabia imposes stringent reliability requirements on high-power generating units in various applications such as oil fields, industrial facilities, infrastructure projects, and emergency power supply systems. The entire lifecycle of generating units—including factory acceptance testing, field commissioning, regular maintenance, and fault diagnosis—must undergo comprehensive performance validation under actual load conditions.



The VILVA AC400V1500kVARL resistive-inductive load bank, featuring integrated resistance and inductance capabilities, high precision, superior safety, heat and dust resistance, and intelligent control, has become the standard equipment for generator testing in the Saudi market, providing reliable testing assurance for power safety and project delivery.




Professional configuration, precisely tailored to Saudi Arabia's testing requirements


Rated Parameters and Load Structure

Rated capacity: 1500 kVA; resistive load: 1200 kW, inductive load: 900 kvar

Rated voltage: AC 400 V, frequency 50/60 Hz, power factor adjustable to 0.8 or 1

Three-phase balanced load condition, designed to simulate typical inductive loads such as industrial motors, pumps, and compressors used in Saudi Arabia.




Core Hardware and Manufacturing Processes

Resistive load: sealed stainless steel tube resistance, moisture-resistant, corrosion-resistant, with high insulation performance, no red heat emission, and long service life.

Sensitive load: High-silicon oriented silicon steel reactor with F/H-grade insulation, featuring low losses and excellent heat dissipation.

Forced air cooling system: High-volume axial fan with bottom-inlet and top-out configuration, operating continuously at full load under stable conditions

Protection rating: IP54, suitable for outdoor use in Saudi Arabia's high-temperature and dusty environments.




Control and Safety System

Local touch screen + remote RS485 dual control mode, compatible with host computer for centralized management

Four-layer safety protection against overheating, overvoltage, overcurrent, and sudden stop; automatic disconnection in case of abnormalities

Power levels are finely adjustable and support transient load testing with sudden loading/unloading.

Display real-time parameters such as voltage, current, power, power factor, and frequency




environmental suitability

Operating temperature: -10°C to +55°C, perfectly suited for Saudi Arabia's summer high-temperature conditions.

It can operate continuously, making it suitable for prolonged acceptance and aging tests.



2.Creating core value for Saudi Arabia's power testing initiatives

Simulated real-world conditions for more reliable test results

The integrated resistance-inductance load accurately replicates the power consumption characteristics of Saudi industrial environments, comprehensively verifying a generator's capabilities in voltage stabilization, frequency regulation, voltage adjustment, excitation control, and load operation, thereby eliminating performance misjudgments associated with no-load or purely resistive testing.


High-temperature dust conditions maintain stable operation and reduce the failure rate.

With high-temperature resistance, IP54 protection, and a robust wind-cooling design, the equipment ensures reliable long-term operation in Saudi Arabia's extreme conditions without performance degradation, overheating, or short circuits, delivering extended service life and reduced maintenance requirements.


High security level, ensuring protection for both personnel and equipment.

Multi-layer protection, independent emergency stop, delayed heat dissipation, and mandatory grounding safety specifications eliminate risks of overload, overheating, and electric shock, meeting stringent safety standards for oilfield and industrial applications.


Efficient testing, faster delivery

Touchscreen one-click loading, precise categorization, and automatic recording significantly reduce debugging time; supports remote centralized control, ideal for parallel testing and batch acceptance of multiple units.




Data Standards: Enabling Compliance Verification

With precise parameters and comprehensive records, it meets the acceptance requirements of Saudi Arabia's power industry, supports report generation and project registration, and enhances delivery compliance rates.




Addressing the key challenges in generator operation


The generator lacks sufficient power under load, resulting in inadequate actual output.

Avoid the following issues with generators: normal performance under no-load conditions, significant voltage drop upon load connection, insufficient power output, and inability to drive motors or equipment.




When a generator is connected to an inductive load, the voltage becomes unstable and the frequency fluctuates.

Prevent voltage fluctuations, frequency drift, and excitation abnormalities during operation of oil fields and factories, which could cause equipment tripping and production interruptions.



3. The generator experiences excessive temperature rise under high-temperature conditions, automatic capacity reduction, and sudden shutdown.

Ensure continuous operation under full load at Saudi Arabia's high temperature of 50°C without triggering alarms, overheating, or protective shutdowns, while maintaining stable and reliable power supply.



4. Hidden faults in generators cannot be detected in advance and require frequent maintenance after commissioning.

Identify potential issues related to heat dissipation, insulation, control systems, and output performance in advance to prevent on-site failures, operational downtime losses, and substantial maintenance costs.



The VILVA AC400V1500kVARL inductive load bank features a professional load design, extreme environment compatibility, multiple safety safeguards, and intelligent, efficient operation, fully meeting generator testing requirements for Saudi Arabia's oil fields, industrial applications, infrastructure projects, and emergency power systems.



It not only enhances test accuracy and safety, but also reduces operational costs and accelerates project delivery, providing critical support for the stable operation and high-quality development of Saudi Arabia's power system.