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Suntrans™ Dual Power Supply Electrical-type UPS
Suntrans™ Dual Power Supply Electrical-type UPS
author:suntrans publication date:2024-08-19 views:110

1. eUPS's Introduction

  

    "Electrical-type UPS" is an innovative power guarantee equipment that meets IDC's standards. Without a battery, a dual-power supply can achieve a UPS electrically. The product gives full play to AC zero-point-crossing measurement and control, realizes the phase-splitting or single-phase collaborative control of the contactor, insensitive switching between two or even multiple power supply circuits, and ultra-large capacity for the power security of all kinds of fields. “Electrical-type UPS” can not only complete the Electrical-type UPS but also realize the power load balance between multiple transformers, solve the problem of three-phase asymmetry, and ensure the high reliability and high quality of power distribution and electricity use. It integrates measurement, control, protection, communication, and edge computing to AI autonomous control and digital twin, at the same time, embedded protection functions such as overvoltage, undervoltage, overcurrent, missing phase, overheating, etc.

 

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Figure 1: Dual circuit electric UPS device front view

 

    As new technology and product of the most crucial support equipment in the power distribution system, the electric-type UPS is suitable for the places that initially needed the battery UPS, as well as for any place that requires power supply guarantee and continuity. Such as:

  • Data Center IDC;

  • Power distribution in key links of national defense;

  • Railway;

  • Highway;

  • Municipal engineering;

  • Social security facilities;

  • High-quality CNC industrial manufacturing base;

  • Large-scale urban infrastructure and all places needing no interruptive power distribution guarantees.

 

2. eUPS's Peculiarities

 

     

Suntrans ControlTMs’ Patent

 

    The innovative product "electric-type UPS" adopts Suntrans ControlTMs’ patented technology (patent number ZL201510607734.0) AC zero-point-crossing precise high-speed measurement and control technology to realize the split-phase or single-phase collaborative control of the power contactor. In the context of zero transition, the high performance realizes the non-inductive switching between two or more power supply circuits and realizes uninterrupted power supply on the power side with high reliability, high stability, and ultra-large capacity, which is of great significance for improving power security in all walks of life.

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Electric Load Balance

    As a new member of Suntrans ControlTM's "power Internet of Things, electricity stage intelligence" “ electrical-type UPS, not only can complete the power uninterruptible power supply UPS ability but also a major technological breakthrough to achieve power load balance between multiple transformers, power UPS will be intelligent according to the load rate of multiple power transformers, to achieve the intelligent transfer of power load between multiple transformers, to ensure the balance of supply and demand of power supply, effectively reduce the risk of power system operation, reduce the loss of power transformers, and on a broader range.

    Through the Electrical-type UPS, the load transfer between the three phases of the power can be realized, the symmetry of the dynamic three-phase power can be realized, the power supply and power quality of the power distribution side can be improved, the loss caused by the three-phase asymmetry can be significantly reduced, and various potential safety hazards caused by the three-phase power asymmetry can be eliminated.

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AC Zero-crossing On-off and Break-off

    The company's invention patent technology adopts the AC zero-crossing on-off and break-off function so that the switching life of the electric UPS can be extended hundreds of times, and the power arc burning and impact caused by the conventional breaking of the load electrical appliance and itself are avoided.

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"Five in one" Intelligent Module

    It is an intelligent module integrating measurement, control, protection, programming, and communication. By embedding the measuring unit, the load and channel status can be monitored online with a measurement accuracy of 0.5%. On/off switching can be achieved by intelligent selection or manual button operation. The RS-485-communication module or WIFI wireless module is embedded, which can realize information interaction, remote control, and the networking of massive, intelligent switches. It can not only be programmed according to the requirements to complete the specified work but also through the communication system, the sequential on-off control and program management control of many loads can be realized. At the same time, to ensure safety, over-voltage, under-voltage, and over-current protection programs are embedded in the controller.

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High Capacity

    The high-capacity uninterruptible power supply with a capacity of up to 600kVA is a high-quality solution that does not require batteries once and for all, thus reducing the enormous costs and huge expenses required for regular batteries.

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Security and Reliability Guarantee

   

      A third circuit can be added to connect to the local generator, which can be activated as a hot standby when one circuit is powered down or overhauled.

    In the event of a sudden failure, the load can be automatically switched from one power supply of the circuit to another standby power supply to ensure the continuous and reliable operation of the critical load and that the switching time is fast. The double-loop non-inductive switching can be completed in 30-60ms, with solid reliability and a successful switching rate of 99.9999%.

    It can dynamically control the load of the whole life cycle online and switch between the power grid and solar, wind, and wave energy at the level of high-speed and non-inductive UPS, with a speed of 22Hz, to maintain continuous and stable power consumption.

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Digitization

    Highly reliable, safe, and economical, the Electrical-type UPS is embedded with all digital functions to achieve decisive edge computing, real-time measurement, online protection, and Internet of Things communication. It will build a new power distribution system with high-performance independent intellectual property products.

 

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Figure 2: Touch display on dual circuit power UPS unit

 

3. eUPS's Unique Advantages 

 

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Double Circuit Fast switching

    A similar product, known as the Automatic Transfer Switch device or named ATS on the market, has the following problems when switching between dual circuits:

  • The mechanical contactor type has a long interval time, mostly more than 110ms, and the mainstream products exceed 1 second, so it cannot be used as a UPS but can only be used as a loop switching, which will cause all digital products to be powered off, restarted, and impacted;

  • Due to the switching time, the current on the power supply side and the load side changes significantly, which will produce a solid electromagnetic transient process, forming an impulse current, an impact on the load, an impact on the power supply, and an electromagnetic impact on the communication equipment;

  • Some individual devices that can achieve rapid switching because the evil used between the double circuits is power electronic products, thyristors; therefore, there is no isolation between the dual circuits, which can not ensure the safety of the power distribution system, become a potential safety hazard, by electromagnetic interference, overvoltage impact, will lead to the dual circuit between the small current between the thyristors into dual power supply shortcut at the same time, resulting in serious power distribution accidents.

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Extended Switch Life

    Make use of the invention patent technology, AC zero-crossing point on-off control, guaranteed in the zero transition state when switching in the dual electrical supply, that is, no arc on, off, is a high-performance controller technology that follows Tesla's invention of alternating current 130 years after the power technology power contactor gets rid of the "arc," which fundamentally solves the problem of arc impact on power load and grid harmonic interference, and the life of the contactor is no longer burned by the arc. Still, it reaches the foundation's mechanical life, extending the power switch's life by more than 200 times.

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No battery required

    Different from the current uninterruptible power supply UPS, it is a power electronic product relying on an electrochemical energy storage battery as a backup power supply, so it is challenging to achieve high-power, long-term power guarantee, especially the life of the battery, generally needs to be replaced every three years to ensure safe UPS power supply, which is undoubtedly a consumable long-term expenditure, but also means enormous carbon emissions and environmentally unfriendly equipment.

 

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Figure 3: eUPS applied in Dafu Technology R&D Department

 

4. Innovation Value

  • Advanced: Electrical-type UPS, embedded with MPU to achieve edge computing of non-inductive switching of arc-free AI multi-power supply;

  • Safety and Reliability: It solves the problem of isolation & non-inductive switching between multiple supply power;

  • Zero over-impact to the grid, UPS & the load;

  • Large capacity: The electric-type UPS reaches up to 600kVA;

  • No Pollution: no traditional batteries, eco, eliminate space waste, eliminate battery detection and replacement of operation and maintenance labor;

  • Special Surprise:

    The product solves the load balancing between multiple transformers, realizes the symmetry of three-phase power, and eliminates the safety hazards caused by unbalance and un-symmetry.

 

5. Market Value

  • The global UPS market will reach 61.107 billion yuan in 2023, and the Chinese UPS market will reach 18.063 billion yuan. The report predicts that the global UPS market will reach 95.699 billion yuan by 2029, with an average annual compound growth rate of 7.55% from 2023 to 2029.

  • UPS's development direction is high-power, large-scale, and park-based, which is 100% consistent with the characteristics of power-based UPS, so it has very advanced technology leadership and product advantages.

  • Electrical-type UPS will greatly promote demand for UPS. In the context of the outbreak of AI, Electrical-type UPS will effectively promote the high-quality power guarantee of AI and the digitalized industry in China.

 

6. Sustainable Impact

  • The new UPS got rid of the battery that is very unfriendly to the environment;

  • It upgrades the present energy storage type UPS, which needs to continuously replace batteries in 90% of scenarios every three years;

  • Because there are no batteries, it releases tremendous amounts of space and safety exhaust systems and dynamic battery health detection;

  • Electrical-type UPSs have a far greater life span than traditional battery energy storage and are once-and-for-all power distribution UPSs. The solution will play an exemplary and leading role in green products.

 

7. Operation Demonstration

 

01

Three-phase Double Circuit Power UPS——500kW

 

 

02

Single-phase Double Circuit Power UPS——40kW

 

 

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eUPS Questionnaire

If you are interested in learning more about eUPS and cooperating with Mitsukawa, please scan the QR code to fill out the questionnaire.

 

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