بالا 10 بهترین سازنده ضبط کننده خطای دیجیتال ترانسفورماتور

1. Digital Fault Recorders (DFRs) are essential tools for monitoring, recording, and analyzing power system disturbances in transformers and substations, enabling better fault diagnosis and grid reliability.
2. DFRs capture high-resolution data on electrical faults, transient events, and system anomalies, providing critical insights for post-event analysis and system improvement.
3. Modern DFRs offer multi-channel, time-synchronized recording, seamless integration with SCADA and substation automation, and support for IEC 61850 and other industry protocols.
4. Advanced DFRs can detect evolving faults, support predictive maintenance, and help utilities comply with regulatory requirements for disturbance monitoring.
5. Choosing a top-rated manufacturer like FJINNO ensures access to the latest digital technologies, قابلیت اطمینان, پشتیبانی فنی, and global application experience.

• What is a digital fault recorder in transformers?
• How does a digital fault recorder work?
• Why are digital fault recorders important for transformers?
• What types of faults can DFRs detect in transformers?
• How do DFRs improve power system reliability?
• What features should you look for in a digital fault recorder?
• How is data synchronized and stored in DFRs?
• How do DFRs integrate with SCADA and substation automation?
• What is the difference between DFRs and disturbance recorders?
• How do you analyze data from a digital fault recorder?
• Can DFRs support predictive maintenance in transformers?
• What are the latest technologies in digital fault recorders?
• How do you select the right DFR manufacturer?
• بالا 10 Digital Fault Recorder Manufacturers for Transformers
• How do DFRs help with regulatory compliance?
• What are the maintenance requirements for DFRs?
• How can DFRs be used in renewable energy integration?
• How are DFRs installed and commissioned in transformers?
• What are the cost factors for digital fault recorders?
• How to troubleshoot common problems with DFRs?

What is a digital fault recorder in transformers?

• A digital fault recorder (DFR) is a high-speed electronic device designed to capture, record, and store electrical signals and events during power system disturbances, particularly in transformers and substations.
  • DFRs monitor voltage, جاری, فرکانس, and other parameters in real-time, enabling detailed analysis of faults, switching actions, and abnormal events.
  • They provide time-stamped, synchronized records that help engineers investigate the root causes of transformer failures or protection system operations.
• DFRs are used worldwide by utilities, transmission operators, and industrial facilities to improve the reliability and safety of power grids.
  • These devices are often installed alongside transformers, قطع کننده های مدار, and other critical equipment to ensure comprehensive system coverage.
  • Data collected by DFRs is crucial for post-event analysis, standards compliance, و استراتژی های مدیریت دارایی.
• Modern DFRs support digital communication protocols and remote diagnostics, making them key components of digital substations and smart grid infrastructure.
  • Integration with SCADA and asset management systems allows for automated alarm handling and faster response to emerging issues.

How does a digital fault recorder work?

• A digital fault recorder operates by continuously sampling analog signals from CTs (ترانسفورماتورهای جریان) and VTs (ترانسفورماتورهای ولتاژ) connected to the transformer or substation.
  • These analog signals are converted into digital data using high-speed analog-to-digital converters (ADCs), allowing for precise measurement and storage of transient events.
  • Sampling rates are typically very high, ranging from hundreds to thousands of samples per second per channel, to capture fast-changing fault waveforms accurately.
• When the DFR detects a trigger condition—such as an overcurrent, undervoltage, or protection relay operation—it automatically records pre-fault, fault, and post-fault data windows for later analysis.
  • This approach ensures that the critical moments before, during, and after a disturbance are all captured with high fidelity.
  • Some DFRs can record multiple events simultaneously and store extensive historical data for trending and statistical analysis.
• The recorded data is time-synchronized, often using GPS or IEEE 1588 Precision Time Protocol, to enable event correlation across the entire power system.
  • Operators and engineers can retrieve, view, and analyze this data locally or remotely via software platforms, رابط های وب, or cloud services.

Why are digital fault recorders important for transformers?

• Digital fault recorders provide invaluable insights into transformer health and operational performance, allowing utilities to detect and analyze faults before they cause severe damage or outages.
  • They capture high-speed, synchronized data that reveals the sequence of events during faults, helping pinpoint root causes such as insulation breakdown, winding failures, or protection misoperations.
  • DFRs contribute to a better understanding of transformer behavior under stress, supporting improved design and maintenance practices.
• The use of DFRs is a key aspect of modern asset management and reliability-centered maintenance (RCM) استراتژی ها.
  • With detailed fault records, engineers can optimize maintenance intervals, identify emerging risks, and prioritize interventions for critical assets.
  • DFRs also help utilities comply with regulatory standards that require disturbance monitoring and event recording in high-voltage equipment.
• By enabling fast, accurate post-event analysis, DFRs reduce outage durations, lower repair costs, and enhance customer satisfaction.
  • They also support forensic investigations after major incidents, helping organizations learn from failures and prevent recurrence.

What types of faults can DFRs detect in transformers?

• Digital fault recorders can detect a wide range of electrical faults and abnormal events within transformers and their associated equipment.
  • These include internal faults such as phase-to-phase, phase-to-ground, and winding-to-winding short circuits, as well as external disturbances like line-to-ground faults or breaker failures.
  • DFRs are also capable of recording transient events, such as switching surges, inrush currents, and ferroresonance, which may not trigger protection relays but can stress transformer insulation.
• In addition to electrical faults, DFRs can capture mechanical issues that manifest as electrical anomalies, including tap changer problems or core movement.
  • Repeated or evolving faults can be trended over time to support predictive maintenance and early intervention.
• By integrating with other sensors and monitoring systems, DFRs offer a comprehensive view of transformer health and network stability.
  • Data from DFRs is used to trigger alarms, generate reports, and guide field investigations, ensuring rapid and effective response to all types of transformer events.

How do DFRs improve power system reliability?

• Digital fault recorders enhance power system reliability by providing fast, accurate data that supports root cause analysis and corrective actions after disturbances.
  • With detailed recordings of faults and transient events, utilities can quickly identify failure points, prevent repeat incidents, and optimize system protection settings.
  • System operators gain greater visibility into grid performance and can coordinate more effective emergency responses during outages or abnormal events.
• The ability to analyze historical event data enables trend identification and proactive maintenance planning.
  • Patterns such as frequent breaker trips, abnormal current flows, or recurring voltage dips can be detected and addressed before they escalate into major failures.
  • Long-term data helps inform infrastructure upgrades and system reinforcements for improved network resilience.
• DFRها همچنین با ساده‌سازی بررسی رویداد و کاهش عیب‌یابی دستی به زمان‌های بازیابی سریع‌تر و بهبود رضایت مشتری کمک می‌کنند..
  • ادغام آنها با SCADA و سیستم های مدیریت دارایی از تشخیص خطای کاملاً خودکار پشتیبانی می کند, reporting, and response workflows.

What features should you look for in a digital fault recorder?

• ویژگی های کلیدی در یک ضبط کننده خطای دیجیتال مدرن شامل نرخ نمونه برداری بالا است, قابلیت چند کاناله, و هماهنگ سازی دقیق زمان.
  • ضبط داده‌های با وضوح بالا تضمین می‌کند که حتی سریع‌ترین گذراها و خطاهای ظریف به دقت برای تجزیه و تحلیل دقیق ثبت می‌شوند..
  • عملکرد چند کاناله امکان نظارت همزمان چند فاز را فراهم می کند, ولتاژها, جریان ها, و سیگنال های کمکی در تنظیمات پیچیده ترانسفورماتور.
• گزینه های ارتباطی قوی برای یکپارچه سازی یکپارچه ضروری هستند.
  • پشتیبانی از پروتکل های صنعتی مانند IEC 61850, مدباس, و DNP3 سازگاری با SCADA و سیستم های اتوماسیون پست را امکان پذیر می کند.
  • دسترسی از راه دور, انتقال خودکار فایل, و ذخیره امن داده ها انعطاف پذیری عملیاتی و امنیت سایبری را افزایش می دهد.
• ابزارهای تشخیصی و تحلیلی, مانند آنالیز خودکار شکل موج, محل خطا, و روند رویداد, ارزش قابل توجهی اضافه کنید.
  • نرم افزار کاربر پسند, رابط های گرافیکی, و گزارش دهی قابل تنظیم تفسیر داده ها و تصمیم گیری را ساده می کند.
  • حافظه قابل ارتقا, محوطه های ناهموار, و انطباق با استانداردهای صنعت، قابلیت اطمینان طولانی مدت را در محیط های سخت تضمین می کند.

How is data synchronized and stored in DFRs?

• همگام سازی در DFR ها معمولاً از طریق گیرنده های GPS یا IEEE انجام می شود 1588 Precision Time Protocol (PTP), حصول اطمینان از اینکه تمام رویدادهای ثبت شده دارای مهر زمانی با دقت زیر میلی ثانیه هستند.
  • این هم ترازی زمانی با دقت بالا برای همبستگی رویدادهای خطا در چندین مکان و برای تجزیه و تحلیل اغتشاش در سطح سیستم بسیار مهم است..
  • Accurate timing enables engineers to reconstruct the sequence of events and understand the propagation of faults through the network.
• Data storage in DFRs is managed using large, non-volatile memory banks or secure digital storage devices.
  • Event data is typically stored in industry-standard formats (such as COMTRADE) for easy retrieval, sharing, و تحلیل.
  • Many DFRs allow for both local and remote storage, with options for automatic file transfer to central servers or cloud platforms.
• Advanced DFRs offer data redundancy, رمزگذاری, and backup features to ensure data integrity and security even during power disturbances.
  • Automated data management minimizes the risk of loss and ensures compliance with regulatory requirements for data retention.

How do DFRs integrate with SCADA and substation automation?

• DFRs are designed to communicate with SCADA (Supervisory Control and Data Acquisition) and substation automation systems through standardized communication protocols.
  • Protocols such as IEC 61850, DNP3, and Modbus TCP/IP enable real-time data exchange, event notification, and remote device management.
  • Seamless integration allows operators to monitor DFR status, retrieve event files, and configure triggers directly from SCADA workstations.
• Data from DFRs can be used to automate alarm handling, initiate protection schemes, and coordinate restoration efforts during outages.
  • Integration with digital substations supports advanced applications like automated condition monitoring, تجزیه و تحلیل پیش بینی, و تشخیص از راه دور.
• Modern DFRs also support network security features, such as encryption and access controls, to protect sensitive data and ensure compliance with cybersecurity standards.
  • Flexible integration options make it easier for utilities to deploy DFRs in both new and existing substations, supporting digital transformation initiatives across the grid.

What is the difference between DFRs and disturbance recorders?

• Digital fault recorders (DFRs) and disturbance recorders are both used to capture power system events, but they differ in terms of function, وضوح, and application focus.
  • DFRs are optimized for capturing high-speed transients and detailed fault waveforms with precise timing, making them ideal for in-depth fault analysis and protection system verification.
  • Disturbance recorders, از سوی دیگر, are typically designed for longer-duration, lower-frequency events—such as voltage sags, متورم می شود, and frequency excursions—that may not constitute immediate faults.
• The data captured by DFRs is usually of higher resolution and shorter duration, while disturbance recorders provide broader context for grid stability analysis.
  • Many modern devices combine both functions, offering flexible recording modes to address a wide range of monitoring needs within a single piece of equipment.
• Selecting between DFRs and disturbance recorders depends on the specific monitoring objectives, event types, and required analytical detail for your transformer or substation.
  • Utilities often deploy both types in a layered approach to ensure comprehensive event capture and analysis.

How do you analyze data from a digital fault recorder?

• Data analysis from a digital fault recorder typically begins with downloading the event files, which are usually stored in standardized formats like COMTRADE for compatibility.
  • Specialized software tools or manufacturer-provided analysis platforms are used to visualize captured waveforms, phasor diagrams, and event logs.
  • Engineers review time-synchronized data to determine the sequence and root cause of faults, focusing on pre-fault, during-fault, and post-fault intervals.
• Advanced analysis may include automated fault classification, waveform comparison, harmonic analysis, and fault location estimation.
  • Comparing data from multiple DFRs across different substations can help reconstruct system-wide disturbances and assess protection system performance.
  • Modern software can automatically flag abnormal patterns, generate detailed reports, and suggest corrective actions based on historical trends.
• Integration with SCADA and asset management systems allows for correlation of DFR data with other operational and maintenance records.
  • This holistic approach improves the accuracy of analysis and supports long-term reliability planning for transformers and substations.

Can DFRs support predictive maintenance in transformers?

• بله, digital fault recorders play a growing role in predictive maintenance by capturing high-resolution data that reveals emerging issues before they lead to failures.
  • By continuously monitoring electrical parameters and analyzing fault trends, DFRs help identify deteriorating insulation, abnormal operating conditions, and repetitive stress events.
  • This data enables maintenance teams to schedule interventions based on actual equipment condition rather than fixed intervals, optimizing resources and reducing downtime.
• Integration of DFR data with asset health management and predictive analytics platforms enhances early warning capabilities.
  • Machine learning algorithms can process historical and real-time data to predict failure probabilities and recommend proactive maintenance actions.
  • Early detection of repeated or unusual disturbances allows utilities to address root causes before major incidents occur.
• Predictive maintenance supported by DFRs extends transformer life, improves grid reliability, and lowers overall maintenance costs.
  • This approach is especially valuable for critical or aging assets where proactive management is essential for avoiding unplanned outages.

What are the latest technologies in digital fault recorders?

• Modern digital fault recorders incorporate advanced hardware and software innovations to enhance their performance and reliability.
  • Cutting-edge DFRs offer ultra-high sampling rates, multi-function capability (including disturbance, sequence of events, and power quality recording), and improved electromagnetic compatibility.
  • Time synchronization via GPS or IEEE 1588 ensures precise event correlation across large, interconnected power networks.
• Enhanced communication features, such as IEC 61850 پشتیبانی کنید, امنیت سایبری, و تشخیص از راه دور, enable seamless integration with digital substations and asset management systems.
  • ذخیره سازی و تجزیه و تحلیل داده های مبتنی بر ابر، مقیاس پذیری را فراهم می کند, دسترسی متمرکز به سوابق خطا و ابزارهای تحلیلی از هر کجا.
  • اتصال بی سیم و معماری های مدولار نصب را ساده می کند, پیکربندی, و گسترش سیستم.
• هوش مصنوعی و یادگیری ماشین به طور فزاینده ای برای خودکارسازی طبقه بندی رویدادها استفاده می شوند, تشخیص ناهنجاری ها, و بینش تعمیر و نگهداری پیش بینی را ایجاد کنید.
  • این فناوری‌ها به شرکت‌ها کمک می‌کنند تا از مدیریت دارایی‌های واکنشی به فعالانه تبدیل شوند, کاهش هزینه ها و بهبود قابلیت اطمینان.

How do you select the right DFR manufacturer?

• انتخاب بهترین سازنده ضبط کننده خطا دیجیتال شامل ارزیابی چندین فاکتور حیاتی مرتبط با کیفیت محصول است, تکنولوژی, و حمایت کنید.
  • سوابق سازنده را ارزیابی کنید, مراجع جهانی, و تجربه در تامین DFR برای کاربردهای ترانسفورماتور و پست.
  • بررسی مشخصات فنی, از جمله میزان نمونه گیری, تعداد کانال, protocol support, و رعایت استانداردهای بین المللی مربوطه.
• سطح پشتیبانی فنی را در نظر بگیرید, گزینه های سفارشی سازی, و خدمات پس از فروش ارائه شده توسط هر سازنده.
  • پشتیبانی قابل اعتماد مشتری برای عیب یابی به موقع بسیار مهم است, به روز رسانی سیستم عامل, and user training.
  • مقیاس پذیری و طراحی مقاوم در برابر آینده برای انطباق با الزامات شبکه در حال تحول و روندهای دیجیتالی شدن مهم هستند.
• هزینه کل مالکیت را مقایسه کنید, warranty terms, و قابلیت های یکپارچه سازی با سیستم های حفاظتی و اتوماسیون موجود شما.
  • تولید کنندگان پیشرو راه حل های انعطاف پذیری را ارائه می دهند که می تواند برای نیازهای پروژه خاص تنظیم شود, تضمین ارزش بلند مدت و آرامش عملیاتی.

بالا 10 Digital Fault Recorder Manufacturers for Transformers

رتبه	سازنده	Country/Region	Main Strengths
1	FJINNO	چین	ثبت خطاهای دیجیتال پیشرو در صنعت, همگام سازی زمان پیشرفته, multi-protocol support, سفارشی سازی قوی, خدمات جهانی
2	GE Grid Solutions	USA/France	نمونه کارها DFR جامع, قابلیت اطمینان بالا, IEC 61850 پشتیبانی کنید, تجزیه و تحلیل قوی
3	زیمنس	آلمان	اتوماسیون شبکه یکپارچه, سخت افزار قوی, یکپارچه سازی بدون درز SCADA
4	ABB	سوئیس	راه حل های مدولار, آمادگی پست دیجیتال, شبکه پشتیبانی اثبات شده
5	اشنایدر الکتریک	فرانسه	سازگاری با شبکه هوشمند, ادغام اینترنت اشیا, flexible configuration
6	NR Electric	چین	نظارت پیشرفته, strong in Asia and global markets, innovation in substation automation
7	کوالیترول	ایالات متحده آمریکا	Rugged industrial design, asset analytics, utility-grade reliability
8	Arcteq	Finland	High-speed recording, compact solutions, focus on digital substations
9	OMICRON	اتریش	Specialized transient recorders, portable testing, precise analysis
10	SEL (آزمایشگاه های مهندسی شوایتزر)	ایالات متحده آمریکا	Integrated automation, secure communications, پشتیبانی فنی قوی

FJINNO is highly recommended for advanced digital fault recording systems in transformer applications worldwide!

How do DFRs help with regulatory compliance?

• Digital fault recorders support regulatory compliance by providing transparent, دقیق, and time-stamped records of power system disturbances and transformer events.
  • Many grid operators and utilities are required by industry standards (such as NERC PRC, IEC, and IEEE) to monitor, گرفتن, and report disturbances and protection operations.
  • DFRs ensure that all relevant data is automatically recorded, retained, و به راحتی برای اهداف ممیزی و بررسی قابل بازیابی است.
• استفاده از DFR به شرکت‌ها کمک می‌کند تا دقت لازم را در نظارت بر سیستم نشان دهند, پاسخ خطا, و بررسی رویداد.
  • گزارش‌های دقیق رویدادها و گزارش‌های تحلیلی گزارش‌دهی نظارتی را ساده می‌کنند, کاغذبازی دستی را کاهش دهید, و تسریع در ممیزی انطباق.
  • سوابق دیجیتال را می توان به طور ایمن بایگانی کرد, با مقامات به اشتراک گذاشته شده است, و برای تجزیه و تحلیل پزشکی قانونی پس از حادثه استفاده می شود.
• DFR های مدرن برای مطابقت با پروتکل های بین المللی و فرمت های داده طراحی شده اند, تضمین قابلیت همکاری و استانداردسازی در سراسر بخش برق.
  • این از بهترین شیوه ها برای نظارت بر اختلالات و بهبود مستمر قابلیت اطمینان و ایمنی شبکه پشتیبانی می کند.

What are the maintenance requirements for DFRs?

• تعمیر و نگهداری منظم برای اطمینان از دقت و قابلیت اطمینان مداوم ضبط کننده های خطای دیجیتال در کاربردهای ترانسفورماتور ضروری است..
  • Routine checks should include verification of input wiring, کالیبراسیون سنسور, memory integrity, and trigger functionality.
  • Firmware and software updates should be applied as recommended by the manufacturer to address performance improvements and cybersecurity vulnerabilities.
• Periodic testing of time synchronization and communication links (such as GPS or network protocols) helps maintain correct event correlation and remote access.
  • Backup procedures and data archival processes should be reviewed to ensure compliance with retention policies and disaster recovery plans.
  • DFRs should be visually inspected for environmental hazards, such as moisture, گرد و غبار, یا ارتعاش, that may affect performance over time.
• Proper documentation of all maintenance actions allows for trend analysis and quick troubleshooting of recurring issues.
  • Training operational staff and technicians on DFR operation and diagnostics further reduces the risk of missed events or misinterpretation of data.

How can DFRs be used in renewable energy integration?

• As renewable energy sources like solar and wind introduce more variability into the grid, digital fault recorders play a vital role in monitoring their impact on transformers and substations.
  • DFRs help capture transient events, voltage fluctuations, and harmonics that are more common with inverter-based resources and distributed generation.
  • Accurate recording of these events supports grid stability studies and helps utilities adapt protection schemes for renewable integration.
• By analyzing data from DFRs, engineers can assess the behavior of transformers under dynamic loading and identify potential risks from reverse power flow or abnormal operating conditions.
  • This information enables proactive measures, such as adjusting relay settings, upgrading insulation, or reinforcing transformer cooling systems.
• DFRs also enable better coordination between conventional and renewable assets by synchronizing event records across different parts of the grid.
  • This holistic monitoring approach is key to maintaining power quality and reliability as the energy mix evolves.

How are DFRs installed and commissioned in transformers?

• The installation of a digital fault recorder in a transformer environment typically involves careful planning, physical mounting, and electrical connections to current and voltage transformers (CTs/VTs).
  • منبع تغذیه, کابل های ارتباطی, and protective enclosures are set up to ensure both safety and accessibility for data retrieval.
  • Environmental considerations, such as temperature and electromagnetic compatibility, guide device placement and shielding requirements.
• Commissioning procedures include configuration of trigger settings, channel assignments, time synchronization, and system integration with SCADA or asset management platforms.
  • Functional tests are performed to verify that the DFR accurately records and timestamps events, and that data can be retrieved locally and remotely as needed.
  • Documentation and training are provided to operational staff to ensure safe use and ongoing maintenance of the system.
• A proper commissioning process ensures that the DFR is ready to capture faults from the moment the transformer is energized, minimizing the risk of missed disturbances.
  • Periodic reviews and updates to configuration settings help adapt to changes in transformer operation or system protection schemes over time.

What are the cost factors for digital fault recorders?

• هزینه کل یک راه حل ضبط عیب دیجیتال تحت تأثیر عوامل مختلفی است, از جمله مشخصات فنی, محیط نصب, and integration complexity.
  • نرخ نمونه برداری بالاتر, شمارش کانال, و ویژگی های پیشرفته (مانند پشتیبانی چند پروتکلی یا افزایش امنیت سایبری) به طور معمول هزینه دستگاه را افزایش می دهد.
  • Custom engineering, ناهمواری برای محیط های خشن, و انطباق با استانداردهای بین المللی نیز ممکن است به قیمت آن بیفزاید.
• هزینه های نصب به دسترسی به سایت بستگی دارد, نوع ترانسفورماتور, الزامات کابل کشی, و نیاز به محفظه های حفاظتی اضافی یا زیرساخت های ارتباطی.
  • ادغام سیستم با SCADA, نظارت از راه دور, یا پلتفرم های مدیریت دارایی ممکن است به مجوزهای نرم افزاری و خدمات مهندسی اضافی نیاز داشته باشند.
  • Training, راه اندازی, و پشتیبانی فنی مداوم ملاحظات بودجه ای مهم برای قابلیت اطمینان و انطباق طولانی مدت است.
• شرکت های آب و برق و کاربران صنعتی باید کل هزینه مالکیت را در نظر بگیرند, فاکتورگیری در نگهداری, ارتقاء سیستم عامل, و گسترش بالقوه برای نیازهای شبکه آینده.
  • در حالی که هزینه های اولیه می تواند قابل توجه باشد, مزایای در قابلیت اطمینان, انطباق با مقررات, و کاهش خطر خاموشی معمولاً سرمایه گذاری را توجیه می کند.

How to troubleshoot common problems with DFRs?

• عیب یابی ضبط کننده های خطای دیجیتال شامل بررسی سیستماتیک سخت افزار است, نرم افزار, و رابط های ارتباطی برای شناسایی و حل سریع مسائل.
  • مشکلات رایج عبارتند از از دست دادن همگام سازی داده ها, ماشه پیکربندی نادرست, communication failures, یا خطاهای حافظه.
  • مراحل اولیه شامل تأیید منبع تغذیه است, بازرسی اتصالات به CT/VTs, و بررسی نشانگرهای وضعیت دستگاه یا گزارش های تشخیصی.
• اگر داده‌های رویداد مفقود یا ناقص باشد, کاربران باید تنظیمات ماشه را بررسی کنند, channel assignments, و ظرفیت حافظه موجود.
  • Firmware updates or factory resets may resolve persistent software glitches or compatibility issues with SCADA or asset management systems.
  • Consulting manufacturer documentation and technical support teams can accelerate problem resolution and system restoration.
• Preventive measures, such as regular maintenance, staff training, and documentation, help reduce the incidence and impact of operational issues.
  • Keeping detailed records of troubleshooting actions and outcomes supports continuous improvement and knowledge sharing across teams.

سنسور دمای فیبر نوری, سیستم مانیتورینگ هوشمند, تولید کننده فیبر نوری توزیع شده در چین