DPR301G Digital Generator Protection Nanjing Hony Electric Automation Co.,LTD.

Nanjing Hony Electric Automation Co., Ltd., located in Nanjing’s Software Valley, specializes in electrical safety for industrial enterprises and industrial IoT applications. As a recognized National High-Tech Enterprise, Hony Electric is focused on providing high-quality products and services in sectors such as power, coal, and railways, with over 14 years of experience in supply safety for factory and mining enterprises.
With a strong technical team, where 80% are professionals, Hony Electric invests over 8% of its annual revenue in research and development, fostering continuous innovation. The company holds various certifications, including quality, environmental, and occupational health management systems. It has established engineering research centers and collaborates with universities and large enterprises to push forward new product development.
Key Technological Achievements:
Awards and Recognition: The company has earned significant accolades, including the Yunnan Provincial Technological Invention Award, China Electricity Council’s First Prize for Technological Innovation, and several national and provincial science and technology awards.
Arc Protection System: Hony Electric developed an innovative arc protection system that has gained widespread use in power systems, mines, and ships. The company also contributed to national and military standards for arc protection.
Coal Mine Power Monitoring System: The company’s coal mine power monitoring system prevents “leap-trip” events, addressing a critical issue in coal mine networks. This system is deployed in major mines and supported by the national industry standard, for which Hony played a key role.
Intellectual Property: Hony Electric holds 32 authorized patents, including 17 invention patents, and 31 software copyrights.
Market Reach:
The company has built a widespread customer base across sectors like power, coal, metallurgy, and railways. It has expanded its presence both domestically and internationally, exporting products to regions including Central Asia, Southeast Asia, Russia, Africa, and the Americas.
Corporate Mission and Vision:
Nanjing Hony Electric Automation Co., Ltd. upholds the philosophy of solving customers’ problems as its core mission. The company strives to be the “safety guardian” for power systems in factory and mining enterprises, consistently improving its products and services to meet customer needs while embracing the spirit of “Shi Bi Hong Yi” – meaning resilience and commitment. It aims to be a reliable partner, continuously advancing in technology and product innovation to serve its customers and contribute to the industry.
By prioritizing technological advancements, customer satisfaction, and continuous improvement, Hony Electric remains a leader in industrial power safety, both within China and globally.
DP3000 Substation Automation System
The DP3000 Substation Automation System is an advanced system independently developed by Nanjing Hony Electric Automation Co., LTD, with full intellectual property rights. It includes the DPS301M substation automation monitoring system and the DPR300 series protection, control, automation, and auxiliary devices. These components provide a comprehensive solution for electrical automation across substation networks, integrating with existing Distributed Control Systems (DCS).
System Features:
Modular, Distributed Design: The system is divided into two layers: station and interval, connected via Ethernet or CANBUS. This structure allows for flexible configuration based on specific site needs.
DPS301M Monitoring System: It operates on a large-scale, real-time monitoring software platform, using Ethernet-based TCP/IP communication technology. The system integrates smoothly with DCS, enhancing overall automation within substations. The DPS301M is compatible with multiple operating systems and is built on a flexible, object-oriented program design, making it highly maintainable and scalable.
Advanced Communication: The DPR321CME communication server manages communication between measurement and control devices, ensuring seamless data exchange through Ethernet and various serial communication protocols (RS485, RS232, RS422). The system’s robust architecture supports real-time information flow and precise synchronization.
Interval Layer Automation: Equipment within the interval layer is independently dispersed, reducing secondary wiring and improving reliability by linking with the station layer for control.
High Reliability: The system leverages advanced technologies, such as Texas Instruments DSP chips, FPGA programmable logic devices, and AD 16-bit A/D conversion chips for precise data processing, significantly enhancing protection system reliability.
Protection and Monitoring Capabilities: The system includes modules for generator and transformer protection, line protection, stability assurance, and synchronous operation. Embedded fault recording and analysis functions provide comprehensive incident reporting, facilitating fast response and system maintenance.
Customization and Expansion: With a user-friendly interface and flexible configuration options, the DP3000 system can be tailored to various industrial applications, including power plants, hydropower stations, and large industrial substations. It offers GPS-based time synchronization, dynamic fault identification, and powerful data processing capabilities to ensure operational security and efficiency.
Cutting-Edge Protection Methods: Innovative algorithms, such as the comprehensive time-difference method for anti-current transformer saturation, significantly enhance the system’s ability to detect faults accurately and maintain operation in challenging conditions. Other features like Ucosφ waveform identification for fault recognition during oscillations make it highly reliable.
The DP3000 system reflects Nanjing Hony Electric’s commitment to providing advanced, reliable solutions for power automation, ensuring high performance, easy maintenance, and strong adaptability across various industrial scenarios.
南京弘毅电气自动化有限公司 NANJING HONY ELECTRIC AUTOMATION CO.,LTD.

