120kW 240kW 300KW CCS2 GBT DC Fast Charger Station with Dynamic Load Balancing

120kW 240kW 300KW CCS2 GBT DC Fast Charger Station with Dynamic Load Balancing

Headline: Intelligent Power Distribution for the High-Demand Era: MIDA Launches the 120kW-240kW CCS2 GBT Series with Advanced Dynamic Load Balancing

In the rapidly evolving world of electric vehicle (EV) infrastructure, the challenge is no longer just about providing raw power; it is about managing that power with surgical precision. As battery capacities increase and charging speeds become a critical competitive factor for commercial sites, the ability to distribute energy efficiently across multiple vehicles has become the hallmark of a premium charging system. MIDA Power  a global leader in high-performance power electronics, is proud to introduce the 120kW 240kW 300KW GBT DC Fast Charging Series. Featuring our proprietary Dynamic Load Balancing (DLB) technology, these stations are designed to maximize asset utilization while minimizing the strain on the local grid. Whether it is a busy highway rest stop, a municipal bus depot, or a commercial charging hub, the MIDA GBT series provides the intelligence, reliability, and speed required to power the future of transportation.

Market & Policy Context: The Shift toward Managed Charging and Grid Stability

The global EV market is witnessing a shift from “first-come, first-served” charging to “managed energy” ecosystems. In China, the world’s largest EV market, the GBT standard has enabled a unified infrastructure, but the sheer volume of vehicles is putting unprecedented pressure on the electrical grid. Policy makers are increasingly mandating “Smart Charging” capabilities as a prerequisite for infrastructure subsidies. The goal is to avoid costly peak-demand spikes that can destabilize local distribution networks.

MIDA’s 120kW/240kW series is a direct response to these market needs. By integrating Dynamic Load Balancing, we allow site operators to offer high-power charging even in locations where the grid capacity is limited. This is particularly relevant under the current global decarbonization trends, such as the EU’s AFIR mandates and China’s dual carbon goals, which both emphasize not just the quantity of charging points but the quality and efficiency of the energy delivery. Our stations act as an intelligent buffer between the grid and the vehicle, ensuring that every kilowatt-hour is delivered safely and economically.

Product Technical Deep-Dive: The Mechanics of Power and Intelligence

The MIDA 120kW 240kW 300KW GBT series represents a significant leap forward in power density and software integration.

High-Efficiency Modular Architecture

At the heart of the 240kW unit are eight of our flagship 30kW high-efficiency power modules (or six 40kW modules). These modules utilize the latest generation of SiC (Silicon Carbide) semiconductors, achieving a peak efficiency of over 95.5%. This high efficiency is not just about saving energy; it is about thermal management. Less wasted energy means less heat, which allows for a more compact cabinet and a longer lifespan for the internal components. The modular design also ensures “High Availability”—if one module requires maintenance, the station continues to operate at a reduced capacity, ensuring that no driver is ever left stranded.

Dynamic Load Balancing (DLB): The Brain of the System

The standout feature of this series is its Dynamic Load Balancing capability. When two vehicles are plugged into a 240kW station, our software doesn’t just split the power 50/50. Instead, it communicates with each vehicle’s Battery Management System (BMS) to determine their real-time needs.

• Scenario A: One vehicle is at 10% SoC (State of Charge) and can accept 180kW, while the other is at 80% and can only take 60kW. The MIDA station will automatically allocate the power exactly as needed.
• Scenario B: As the first vehicle’s charging speed naturally tapers off, the station dynamically shifts the “extra” power to the second vehicle, ensuring that the total 240kW capacity is always being utilized to its maximum potential.

This results in a 20-30% faster average charging time for the site compared to stations without dynamic allocation.

Voltage Range and Connector Technology

Supporting an output voltage range of 200V to 1000V, these stations are ready for both current 400V vehicles and the upcoming wave of 800V-1000V heavy-duty trucks and high-performance cars. The GBT connectors are ergonomically designed and utilize high-purity silver-plated contacts to ensure low contact resistance and maximum durability. The 240kW unit can be configured with dual GBT plugs, allowing for simultaneous fast charging of two large-battery vehicles.

Ruggedization and HMI

The stations are housed in an IP55-rated galvanized steel cabinet with a high-durability outdoor powder coating. The user interface features a 15.6-inch high-brightness touchscreen that provides detailed information on the charging session, including cost, power delivery curves, and estimated time to completion. Integrated payment systems support RFID, NFC, and mobile apps via 4G/5G connectivity.

Standards & Certifications: Integrity in the GBT Ecosystem

MIDA Power is committed to the highest levels of safety and interoperability. Our 120kW/240kW GBT series is fully compliant with:

• GB/T 18487.1-2015: General requirements for EV charging systems.
• GB/T 20234.3-2015: Specific requirements for the DC charging interface.
• GB/T 27930-2015: Communication protocols between the charger and the vehicle.
• Quality Assurance: Every unit is CQC certified and undergoes a 48-hour continuous burn-in test at full load before shipment. We also perform rigorous insulation resistance and dielectric strength tests to ensure user safety in all weather conditions.

Application Scenarios & Strategic Deployment

The versatility of the 120kW and 240kW units makes them the primary choice for several key industries:

1. Public Fast-Charging Hubs: Ideally suited for urban “charging islands” where high turnover is essential for profitability. The 240kW unit can charge a typical passenger EV from 10% to 80% in under 20 minutes.
2. Municipal Electric Bus Depots: Bus batteries are massive and require sustained high-power delivery. The MIDA 240kW station can recharge a full-sized city bus during the driver’s lunch break, extending the daily range of the transit network.
3. Logistics and Freight Corridors: For heavy-duty electric trucks moving goods between cities, the 240kW station provides the “ultra-fast” top-up needed to stay on schedule.
4. Premium Workplace and Residential: Large office parks and luxury apartment complexes can deploy the 120kW unit to provide a value-added service for employees and residents who value their time.

Case Study: Optimizing an Expressway Service Area in East China

In early 2025, a major expressway operator in Zhejiang province upgraded their 60kW legacy chargers to MIDA 240kW GBT stations with Dynamic Load Balancing. The challenge was a grid connection that was limited to 500kW for the entire site, which had to support four charging points plus the service station’s lights and air conditioning.

MIDA’s solution involved four 240kW units integrated with a centralized site energy management system.

• The Result: Even when eight vehicles were plugged in simultaneously, the Dynamic Load Balancing software ensured that no vehicle was left without power, while the site’s total draw never exceeded the 500kW threshold.
• User Feedback: Average dwell time at the station decreased by 15 minutes, leading to a 25% increase in coffee and snack sales at the adjacent retail outlet, as drivers were happier and the site could handle more vehicles per hour.

Expert Commentary: The Philosophy of Dynamic Power

“In the past, charging was a ‘dumb’ process—you plugged in, and you got what was left over,” says Dr. Zhao, Head of Power Systems at MIDA Power. “With the 120kW/240kW series, we have made charging ‘intelligent.’ Dynamic Load Balancing is the brain that makes high-power charging sustainable. By constantly monitoring and re-allocating power at the millisecond level, we ensure that the vehicle gets exactly what it needs and the operator gets the most out of their infrastructure investment. This isn’t just about speed; it’s about the smart transition to a decentralized energy future.”

Future Outlook & Scalability: Toward V2G and AI-Driven Energy

The future of the 120kW/240kW series lies in even deeper integration with the energy ecosystem. MIDA is currently piloting AI-driven predictive load balancing, which uses historical data and weather patterns to predict charging demand and pre-emptively adjust grid draw. Furthermore, the 1000V architecture of these stations makes them a perfect candidate for V2G (Vehicle-to-Grid) upgrades, allowing fleets of EVs to act as a virtual power plant, supporting the grid during emergencies.

Call to Action: Experience the Power of Intelligence

Is your infrastructure ready for the high-demand era? MIDA Power offers the most advanced GBT DC charging solutions on the market, backed by global technical support and a commitment to innovation.

Contact MIDA Power today to request a technical datasheet, a quote, or a personalized site energy analysis.

• Email: sales@midapower.com
• Technical Hotline: +86-xxx-xxxx-xxxx
• Website: www.midapower.com
• MIDA Power — We Charge the Future, Intelligently.

Part II: The Mathematics of Intelligence — Inside the DLB Algorithm

To truly appreciate the MIDA 120kW/240kW series, one must understand the software that controls the flow of electrons. Dynamic Load Balancing (DLB) is not just a marketing term; it is a complex real-time optimization problem that our engineers have spent years perfecting.

The BMS-Charger Feedback Loop

When a vehicle connects to a MIDA GBT charger, the handshake process initiates a high-speed communication link via the CAN bus (Controller Area Network). The vehicle’s BMS sends a “Demand Current” and “Demand Voltage” signal every few milliseconds. In a traditional charger, if two vehicles are plugged in, the charger simply divides its total current capacity by two.

MIDA’s DLB algorithm is much more sophisticated. It operates on a “priority and capacity” matrix. The system constantly monitors the thermal state of each power module, the total current draw from the AC grid, and the specific requests from each vehicle. If Vehicle A has a cold battery and can only accept 40kW, while Vehicle B has a pre-conditioned battery ready for 200kW, the MIDA system will instantly allocate the power accordingly. As Vehicle B’s battery fills up and its acceptance rate drops, the algorithm shifts the freed-up power modules to Vehicle A in real-time. This is handled by a high-speed FPGA (Field-Programmable Gate Array) controller that can re-route power between internal busbars in less than 50 milliseconds.

Grid-Aware Charging

The DLB system is also “Grid-Aware.” In many commercial locations, the charging station shares a transformer with other loads—elevators, air conditioning units, or industrial machinery. MIDA stations can be equipped with external CT (Current Transformer) clamps that monitor the total building load. If the building’s elevators all start at once, the MIDA charger will momentarily dip its output to the vehicles to prevent the main circuit breaker from tripping. This “Zero-Injection” or “Load Shaving” capability allows operators to install high-power chargers without having to pay for a dedicated utility line.

Part III: Advanced Hardware Design — From SiC to EMI Suppression

The intelligence of the software is matched by the robustness of the hardware. The 120kW/240kW series is built using MIDA’s fifth-generation power architecture.

Silicon Carbide (SiC) and the Search for 96% Efficiency

The power modules at the heart of the station utilize Silicon Carbide MOSFETs. Unlike traditional silicon transistors, SiC can operate at much higher switching frequencies with significantly lower thermal losses. This allows us to use smaller, lighter transformers and inductors. The peak efficiency of the MIDA module is 95.8%, which is among the highest in the industry. For a site operator, this high efficiency means less money wasted as heat and lower cooling costs for the cabinet.

Thermal Engineering and the “Clean Zone” Concept

High-power electronics generate heat, and managing that heat is critical for long-term reliability. MIDA cabinets utilize a “Dual-Zone” thermal design. The sensitive power electronics are located in a sealed “Clean Zone” that is cooled by a heat exchanger. The external air—which may contain dust, moisture, or salt spray—never comes into direct contact with the circuit boards. This drastically reduces the risk of corrosion and short circuits, especially in coastal or industrial environments. The cooling fans are variable-speed, controlled by a PID loop that minimizes noise and power consumption when the station is not at full load.

Electromagnetic Compatibility (EMC) and EMI Filtering

Fast-charging stations are essentially giant radio-frequency oscillators. Without proper shielding and filtering, they can interfere with everything from local Wi-Fi networks to the vehicle’s own internal computers. MIDA’s 240kW unit features a multi-stage EMI (Electromagnetic Interference) filter on both the input and the output. We use high-permeability nanocrystalline cores and specialized shielding techniques to ensure that our stations meet the most stringent Class B EMC standards. This makes MIDA chargers safe for installation in residential areas and sensitive hospital environments.

Part IV: Safety First — A Multi-Layered Protection Strategy

When dealing with 240,000 watts of power and 1000 volts, safety is not optional. MIDA Power has integrated a comprehensive suite of safety protocols into every unit:

1. Insulation Monitoring (IMD): The station constantly monitors the resistance between the DC bus and the ground. If the insulation breaks down—due to a damaged cable or water ingress—the station will shut down in less than 20 milliseconds.
2. Residual Current Device (RCD): We use a Type B RCD that can detect both AC and DC leakage currents, protecting users from electric shock.
3. Arc Fault Detection (AFCI): Our software analyzes the current waveform for the high-frequency “noise” characteristic of an electrical arc. If a loose connection or a damaged plug starts to arc, the station cuts power immediately.
4. Emergency Stop and Impact Detection: The station features a prominent physical emergency stop button and an internal tilt sensor that shuts down the system if the cabinet is struck by a vehicle.
5. Over-Voltage and Over-Current Protection: Multiple layers of hardware and software fuses ensure that the station and the vehicle are protected from grid surges or internal component failures.

Part V: Total Cost of Ownership (TCO) and Business Intelligence

For a site owner, the MIDA 240kW station is not just a cost—it is a strategic asset. We provide the tools to manage that asset for maximum profit.

The “Dynamic Premium” — Maximizing ROI

Because MIDA’s DLB technology allows for faster average charging times, a site equipped with MIDA chargers can handle more vehicles per day than a site with “dumb” chargers. This increased throughput translates directly to higher revenue. Furthermore, the high efficiency and low maintenance requirements of the MIDA series ensure that the operating expenses (OpEx) remain low.

Data-Driven Management

Every MIDA charger is connected to our “Cloud Power” dashboard. Operators can see real-time usage patterns, energy consumption, and revenue data. The system also provides “Health Scores” for each charger, allowing for predictive maintenance. If a cooling fan starts to slow down or a power module’s temperature profile begins to change, our AI-driven cloud system will alert the operator to schedule a technician before a failure occurs.

Part VI: Conclusion — A Vision of Seamless Mobility

The transition to electric mobility is one of the greatest technological shifts of our time. It requires more than just batteries and motors; it requires a new kind of infrastructure—one that is intelligent, resilient, and incredibly powerful. The MIDA 120kW and 240kW GBT series is our contribution to that vision.

By combining the raw power of the GBT standard with the intelligence of Dynamic Load Balancing and the efficiency of SiC electronics, MIDA is providing the foundation for a truly global, high-performance charging network. We invite you to partner with us as we charge toward a cleaner, faster, and more sustainable future.

Contact our sales engineering team today to receive a personalized quote and a complete technical documentation package. Let’s charge the future together.

• Sales Inquiry: sales@midapower.com
• Technical Support: sales@midapower.com
• Web: www.midapower.com
• MIDA Power: Precision Engineering for the Electric Age.

Part VII: Strategic Revenue Generation and Economic Analysis for CPOs

Deploying a 240kW station with Dynamic Load Balancing (DLB) is not just a technical upgrade; it is a fundamental shift in the business model for Charge Point Operators (CPOs). MIDA’s intelligent power allocation provides multiple levers for increasing profitability.

Throughput and Turn-Over Rate

The primary metric for a profitable charging station is “Throughput”—the number of vehicles charged per day. A station without DLB often has “stranded capacity”—where one port is delivering 50kW to a nearly-full battery while the other 190kW of potential power is sitting idle. MIDA’s DLB ensures that all 240kW are always working. If one vehicle only needs 40kW, the other 200kW is instantly available to the second vehicle. This reduces average charging times, allows for more vehicles per hour, and increases total revenue by up to 30%.

Operational Cost Reduction (OpEx)

The high efficiency of the MIDA SiC power modules (95.5%+) directly reduces the cost of electricity. In a typical year, a 240kW station can consume over 300,000 kWh. A 2-3% improvement in efficiency translates to thousands of dollars in direct savings. Furthermore, our modular hardware and remote diagnostics reduce the frequency of expensive on-site maintenance visits.

Tiered Pricing and Value-Added Services

With MIDA’s advanced software, CPOs can implement sophisticated pricing strategies:

• Priority Charging: Users can pay a premium to receive the maximum possible power allocation.
• Eco-Charging: Users who are willing to wait longer can receive a discount, allowing the station to balance the load more effectively.
• Advertising and Partnerships: The high-brightness screen provides a platform for local advertising, turning every charging session into a marketing opportunity.

Part VIII: Advanced Installation and Site Planning Specifications

For the 120kW and 240kW series, site preparation is a critical part of the project lifecycle. MIDA provides the following engineering guidelines to ensure a successful deployment.

Grid Connection and Transformers

• 120kW Unit: Requires a minimum 160kVA dedicated transformer.
• 240kW Unit: Requires a minimum 315kVA dedicated transformer.
• Voltage: 380V / 400V AC, 3-phase, 50/60Hz.
• Cable Entry: The cabinets are designed for bottom-entry cabling with integrated gland plates to ensure IP integrity.

Space Requirements and Ventilation

• Clearance: A minimum of 800mm clearance is required on all sides to allow for maintenance access and optimal cooling airflow.
• Impact Protection: We recommend a 150mm raised concrete plinth and heavy-duty bollards to protect the cabinet from low-speed vehicle impacts in parking areas.

Part IX: Technical Specifications Table (Expanded)

Part X: The Future of Dynamic Load Balancing — AI and V2G

As we look toward 2030, MIDA is already developing the next generation of DLB technology.

• AI-Driven Forecasting: Our software will use machine learning to predict charging demand based on historical traffic patterns and local events, allowing CPOs to optimize their grid interaction.
• Vehicle-to-Grid (V2G): The 120kW/240kW series is designed to be V2G-ready. In the future, a hub of MIDA chargers can act as a “Virtual Power Plant,” selling energy back to the utility during peak demand periods.
• Solar Integration: Direct DC-coupled solar integration will allow MIDA chargers to draw power directly from PV panels, further increasing efficiency and reducing the carbon footprint of every charge.

Part XI: Conclusion — Intelligence as the Ultimate Power

In the electric era, power alone is not enough. The winners in the charging infrastructure market will be those who manage their energy with the greatest intelligence and efficiency. The MIDA 120kW and 240kW GBT series is our contribution to this intelligent future.

By combining the robust GBT standard with our proprietary Dynamic Load Balancing technology and Silicon Carbide electronics, we have created a product that is not just a charger—it is a strategic asset for the modern energy economy.

We invite you to experience the MIDA difference. Together, we can build a future that is faster, smarter, and cleaner for everyone.

Contact our sales engineering team today to receive a personalized quote and a complete technical documentation package.

• Email: sales@midapower.com
• Technical Support: sales@midapower.com
• Web: www.midapower.com
• MIDA Power: Empowering Tomorrow, Today.

Part XII: Whitepaper — Dynamic Load Balancing in Multi-Tenant and Commercial Environments

The 120kW and 240kW series are often deployed in environments where power is a shared resource. This whitepaper explains how MIDA’s Dynamic Load Balancing (DLB) manages this complexity in multi-tenant commercial centers.

The Challenge of Shared Infrastructure

In a typical shopping mall or office complex, the electrical system is designed for a specific peak load. Adding high-power EV charging can easily push the site over its limit, leading to tripped breakers or expensive utility penalties. MIDA’s solution is a three-tiered DLB architecture:

1. Tier 1: Intra-Charger Balancing: Managing the power between the two ports of a single 240kW unit.
2. Tier 2: Cluster Balancing: Managing a group of up to 50 chargers on a single electrical branch.
3. Tier 3: Site Balancing: Integrating with the building’s main meter to ensure the total site load—including elevators, HVAC, and lighting—never exceeds a set threshold.

The Economic Impact of Managed Charging

By using MIDA’s DLB, site owners can avoid the massive capital expense of a transformer upgrade. We have seen cases where our software saved a property owner over $100,000 in upfront infrastructure costs while still providing a premium charging experience for their tenants and customers.

Part XIII: Frequently Asked Questions (FAQ) — 120kW/240kW DLB Series

Q: Can the 240kW unit charge two vehicles at full speed? A: A 240kW unit can charge two vehicles at 120kW each simultaneously, or one vehicle at the full 240kW if the other port is not in use or the other vehicle’s demand is low.

Q: Is the DLB software built-in or a separate subscription? A: The core DLB functionality is built into every MIDA station. Advanced cloud-based cluster management is available through our MIDA Cloud CPMS subscription.

Q: Does the station work in rainy or snowy conditions? A: Yes. The MIDA 240kW cabinet is IP55 rated and designed for 24/7 outdoor operation in all weather conditions.

Q: What is the typical charging time for a standard EV? A: A 240kW unit can charge a typical 60kWh battery from 10% to 80% in approximately 15-20 minutes, depending on the vehicle’s battery chemistry and temperature.

Q: Can I customize the HMI screen with my branding? A: Yes, the 15.6-inch HMI screen is fully customizable. You can add your logo, promotional videos, and even localized information for your customers.

Part XIV: Technical Glossary — Smart Power Management

• CAN Bus (Controller Area Network): The communication protocol used between the vehicle and the charger to exchange real-time data.
• DLB (Dynamic Load Balancing): The intelligent allocation of available power to maximize efficiency and protect the grid.
• FPGA (Field-Programmable Gate Array): A high-speed hardware controller used in MIDA stations to manage power routing at the millisecond level.
• IMD (Insulation Monitoring Device): A safety system that constantly checks the electrical isolation of the DC bus.
• LLC Resonant Topology: A high-efficiency power conversion design that minimizes switching losses.
• mTLS (Mutual TLS): A secure communication protocol where both the station and the server verify each other’s identity.
• OCPP (Open Charge Point Protocol): The industry standard for communication between chargers and management software.

Part XV: Maintenance, Service, and Life-Cycle Support

The MIDA 120kW/240kW series is designed for a 15-year operational lifespan. This section outlines the maintenance protocols required for commercial environments.

The “Mission Critical” Maintenance Framework

• Daily: Remote status check via the MIDA Cloud dashboard.
• Quarterly: Visual inspection of the charging connectors and cables for physical wear.
• Bi-Annually: Cleaning of the air intake filters and testing of the HMI touchscreen functionality.
• Annually: Full electrical safety audit, including RCD testing and insulation resistance verification by a certified technician.

MIDA Global Support Network

We understand that a broken charger is lost revenue. MIDA provides a comprehensive global support network with regional spare parts hubs and 24/7 technical assistance. Our modular hardware design allows for most repairs to be completed in under 30 minutes, ensuring maximum uptime for your business.

Part XVI: Final Technical Summary and Contact Information

The MIDA 120kW and 240kW GBT DC Fast Charging Series is the definitive choice for intelligent energy management. With a focus on efficiency, reliability, and smart load balancing, we are helping to build the infrastructure of the future.

For more information, to request a technical datasheet, or for a formal quote, please contact our global sales team.

• MIDA Power Global Headquarters
• Sales Inquiry: sales@midapower.com
• Technical Support: sales@midapower.com
• Web: www.midapower.com
• MIDA Power — Intelligence in Motion.

Part XVII: The “Site Engineering Excellence” Whitepaper — Installation and Safety

The physical installation of a MIDA 240kW station is a high-power electrical project that requires precise engineering. This section provides detailed specifications for contractors and site developers.

Foundation Engineering and Structural Integrity

The MIDA 240kW cabinet weighs approximately 650kg. A reinforced concrete foundation is required:

• Depth: At least 300mm below the frost line to prevent shifting.
• Dimensions: 1200mm x 1000mm plinth, 150mm above the surrounding grade.
• Mounting: Use four high-tensile M16 anchor bolts with a minimum embedment depth of 120mm.

Electrical Service and Cable Design

The station requires a significant AC feed.

1. Conductor Sizing: For a 50-meter run, we recommend 400mm² copper or 500mm² aluminum conductors to keep voltage drop below 1.5% at full 400A draw.
2. Harmonic Filtering: While the MIDA unit features active PFC, we recommend a centralized harmonic filter at the main switchboard for sites with more than five 240kW units.
3. Surge Protection: Type 1+2 SPDs must be installed at the service entrance to protect the station’s sensitive SiC electronics from lightning transients.

Part XVIII: The MIDA 2030 Roadmap — The Future of Commercial Charging

MIDA is already developing the next decade of commercial charging technology.

AI-Driven Energy Orchestration

Our next-generation software will not just balance the load; it will orchestrate it. By analyzing weather patterns, grid prices, and customer arrival data, the system will autonomously decide when to charge, when to discharge (V2G), and how to maximize the site’s profitability.

Wireless High-Power Transfer

We are currently piloting stationary wireless charging for commercial delivery vans and premium passenger cars. Imagine a future where a driver simply parks in a MIDA-equipped bay and the 120kW transfer begins automatically—no cables, no plugs, no hassle.

Direct DC-Coupled Microgrids

In the future, MIDA hubs will act as the “brain” of a localized microgrid, integrating solar PV, battery storage, and EV charging on a single high-voltage DC bus. This eliminates multiple AC/DC conversion stages, increasing total system efficiency by up to 8%.

Part XIX: Final Summary and Call to Action

The MIDA 120kW and 240kW GBT series represents the peak of intelligent power delivery. By combining robust engineering, cutting-edge software, and a deep commitment to quality, we are providing the infrastructure that will drive the world’s electric transition.

Join the thousands of property owners and operators who have chosen MIDA as their charging partner. We offer the technology and the expertise to help you succeed in the new energy economy.

Contact MIDA Power today to receive a complete technical package and a personalized consultation for your commercial charging project.

• MIDA Power: Intelligence. Power. Progress.
• Headquarters: MIDA Power Industrial Park, China.
• Sales Inquiry: sales@midapower.com
• Technical Support: sales@midapower.com
• Web: www.midapower.com

Appendix A: Advanced Thermal Management and Hybrid Cooling Architectures

In the 120kW and 240kW power classes, thermal management is the single most important factor determining the reliability and lifespan of the charging station. MIDA Power has pioneered a hybrid cooling approach that combines high-volume airflow with localized heat dissipation strategies to ensure consistent performance even under the most extreme conditions.

The “Dual-Chamber” Airflow Design

MIDA stations utilize a proprietary dual-chamber internal architecture. The high-voltage power modules are housed in a dedicated chamber with an independent, high-velocity airflow path. This path is optimized using Computational Fluid Dynamics (CFD) to eliminate “dead zones” where heat can accumulate. The second chamber contains the low-voltage control electronics, HMI, and communication modules. By separating these components, we protect the sensitive control boards from the heat generated by the power conversion process, significantly reducing the rate of component degradation.

Intelligent Fan Speed Control and Noise Mitigation

Our stations are equipped with industrial-grade, pulse-width modulation (PWM) controlled fans. Instead of running at full speed constantly, these fans adjust their RPM based on the real-time temperature of the SiC MOSFET junctions. This not only saves energy but also drastically reduces the acoustic footprint of the station. In urban residential areas, MIDA chargers can operate at night with a noise level below 50 dB(A) at 10 meters — quiet enough for late-night charging in residential neighborhoods and noise-sensitive urban corridors. Combined with the dual-chamber design, this intelligent thermal strategy keeps junction temperatures low, extends component life, and holds full power output even in the 55°C heat of a desert summer or the dense air of a tropical port.

The Thermal Validation Regime

Thermal claims are only as good as the tests behind them. MIDA’s laboratory validates every cooling design through three distinct phases:

• CFD Simulation: Every cabinet geometry is modeled in Computational Fluid Dynamics software before a single prototype is machined, predicting airflow, pressure drop, and junction temperatures across the full operating envelope.
• Climate Chamber Testing: Production-intent prototypes are operated at full load inside environmental chambers from -30°C to +55°C, with humidity, solar loading, and altitude effects reproduced. Units must hold rated power continuously — no thermal derating — before the design is frozen.
• Field Validation: Selected stations are instrumented with additional thermal sensors and deployed at customer sites in extreme climates, where real-world data refines the model and informs future generations of the product.

This regime is why MIDA can confidently state full-power performance at 55°C ambient — a claim many competitors quietly avoid. It is also why our stations carry the same thermal performance documentation that rail and utility customers routinely demand for procurement reviews: test reports, derating curves, and acoustic measurements, all independently verifiable.

This layered approach to thermal management is typical of MIDA’s engineering philosophy: every subsystem is designed not in isolation, but as part of an integrated system where heat, airflow, acoustics, and reliability reinforce one another. Cooler electronics fail less often, quieter fans disturb fewer neighbors, and lower thermal stress preserves performance for the full life of the asset.

Conclusion: Cooler by Design, Stronger by Engineering

For extreme-power applications like EV train depots and heavy-duty supercharging, thermal management is not a detail — it is the difference between a charger that delivers its rated power all day, every day, and one that derates, trips, or wears out prematurely. MIDA Power’s UL-certified NACS supercharging series answers that challenge with a dual-chamber airflow architecture, CFD-optimized cooling paths, and intelligent PWM fan control that protects the power electronics while keeping noise and energy consumption to a minimum.

Key Takeaways

• Dual-Chamber Design: Isolates high-voltage power modules from sensitive control electronics, dramatically reducing component degradation.
• CFD-Optimized Airflow: Eliminates heat “dead zones,” ensuring consistent performance from -30°C to +55°C.
• Intelligent Fan Control: PWM fans modulate with real-time SiC junction temperature — saving energy and keeping nighttime noise below 50 dB(A).
• Validated Performance: Climate-chamber and field testing prove full-power operation in extreme ambient conditions.
• Extended Lifespan: Lower operating temperatures translate directly into higher MTBF and a longer service life for every module.

Call to Action

Planning a high-power supercharging installation where heat and noise are a concern? Contact MIDA Power today for thermal design documentation, acoustic test reports, and an engineering consultation tailored to your site conditions.

MIDA Power: Precision Engineering for a Sustainable World.

• Sales Inquiry: sales@midapower.com
• Technical Support: sales@midapower.com
• Web: www.midapower.com