Nebula 500V Series Cycle Test System-One System with Multiple Functions

The Nebula 500V Series Cycle Test System is designed for safety testing of battery cells, modules, and packs. It features SiC devices, high precision with a 2 ms current rise, 10 ms driving profile simulation, and modular & scalable design. The system supports CC, CV, and CP modes, is compatible with 52S or 104S battery pack testing, and allows negative voltage testing. A single unit supports multiple test requirements, helping reduce costs and accelerate R&D and quality control.

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1. Excellent Regenerative Efficiency& SiC Technology - Save Energy& Costs

* Up to 95% regenerative efficiency, enabled by advanced SiC technology for significant energy savings and lower operating costs.
* Annual power consumption of approximately 271,000 kWh, compared with about 438,000 kWh for conventional 500V systems-delivering around 38.1% energy savings per year.
* Designed to improve cost efficiency and life-cycle economics, supporting long-term operational savings and higher overall value.

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2. Low-Power Standby Efficiency

* Featuring advanced low-power standby technology, the system reduces average daily energy consumption from 120 kWh to 13.92 kWh in standby mode.
* This delivers up to 88.4% daily energy savings, helping users significantly reduce electricity costs and overall operating expenses.

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3. Wide Voltage Coverage with Automatic Range Optimization

Industry Challenges :Conventional 500V test systems typically offer voltage accuracy of 0.02%-0.05% F.S. ( plus-minus 100 mV to plus-minus 250 mV). For overcharge and over-discharge tests, voltage measurement accuracy is insufficient for 30V cells or 60V low-voltage modules, requiring additional low-voltage equipment and resulting in poor system compatibility.

Nebula 500V Series Advantages:

* The system features intelligent voltage range segmentation with automatic selection of the optimal measurement range, significantly improving accuracy and ensuring the precision and safety of overcharge/ over-discharge testing.
* One system, full coverage: A single unit supports both high and low-voltage testing across a wide voltage range, eliminating the need for multiple devices and reducing capital investment.
* Higher efficiency: Simplifies test configurations and workflows, improving efficiency in R&D and quality control processes.

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4.High-Precision Measurement for 52S/104S Energy Storage Batteries

Industry Challenges: Conventional 500V test systems typically do not support current range segmentation, or segmentation is only effective in constant current(CC) mode. In constant voltage (CV) and constant power (CP) modes, current ranging is ineffective. As energy storage battery capacity calculations under national standards are usually performed in constant power (CP) mode, traditional systems without current ranging result in low charge/discharge capacity accuracy.

Nebula 500V Series Advantages:

* Precisely supports 52S and 104S battery packs: Fully compatible with mainstream commercial and industrial energy storage modules.
* Multi-voltage compatibility: Also supports low-voltage module testing, eliminating the need for additional low-voltage equipment and helping reduce total system costs.
* Accurate constant power testing: Enables intelligent current range switching in constant current, constant voltage, and constant power modes, ensuring high-accuracy capacity measurement in compliance with applicable standards.

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5.Flexible Negative/Positive Voltage Switching with Current Boost for High-Dynamic Testing

* The Nebula 500V Series supports flexible switching between negative and positive voltage modes.
* When switching from negative-voltage mode to positive-voltage mode, the system achieves an effective current boost, enabling higher dynamic performance.

This capability supports more cost-effective high-dynamic test applications, delivering greater performance without additional hardware investment.

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Industry challenges: Conventional positive-voltage test systems cannot support 0 V or negative-voltage battery testing, requiring additional negative-voltage equipment and resulting in higher system costs.For over-voltage and over-discharge tests, traditional systems typically use a 10 ms sampling interval, which lacks sufficient resolution for capturing critical transient events.

Nebula 500V Advantages:

* Ultra-fast current slew rate to accurately emulate real battery current response under high-dynamic conditions.
* Seamless negative-to-positive voltage switching, delivering higher-quality, continuous test data without interruption.
* High-speed 1 ms acquisition time, enabling finer data granularity and precise capture of rapid transients, ensuring accurate reproduction of battery behavior in high-dynamic operating scenarios.

6. Modular Design with Flexible Scalability

* Supports AC/DC module addition for power upgrades
* Allows DC/DC module expansion to increase current capacity
* Optional auxiliary cabinets can be added to double current and channel count

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7. Low Total Harmonic Distortion (THD)

The Nebula 500V series utilizes advanced low-harmonic technology. Under rated conditions, the device's current and voltage total harmonic distortion (THD) outperform industry requirements for grid harmonics in high-power equipment.

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8. Fast Current Rise: Ideal for Various Transient Tests

Current response time (10% to 90%): less than or equal to 2 msCurrent switching time (+90% to -90%): less than or equal to 4 ms

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9.Supports 10ms Driving Profile Simulation Test, Ideal for Various Transient Applications

* Supports 10ms driving profile simulation with a minimum 1ms sampling interval
* Accurately captures and reproduces real waveform data
* Ensures reliable testing for high-end battery products

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10. External Equipment Integration for Comprehensive Test Bench Setup

Supports integration with external devices such as temperature chambers, liquid cooling systems, BMS simulators, and other peripherals to build a complete test bench

* Climate chamber synchronization
* Multi-battery synchronization within the same climate chamber
* Liquid cooling system synchronization
* Channel-to-channel status linkage

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11.Multi-Level Protection for Safe and Reliable Operation

* AC Side: Hardware-level Protection
* DC Side: Hardware-level Protection
* Comprehensive Battery Protection
* Peripheral Devices Protection
* Software Protection

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12. Compact Design: 1.44/Unit, Improving Factory Space Utilization

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13. Product Data Sheet

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More infos, please contact:

Mail: market@e-nebula.com [http://www.nebulaate.com/Mail:market@e-nebula.com]

#NebulaElectronics #BatteryTesting #BatteryTestEquipment #BatterySafety #BatteryPerformance #EnergyStorage#EVBatteryTesting

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Company Name: Fujian Nebula Electronics Co., Ltd.
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Website: https://www.nebulaate.com/

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