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AboutShijiazhuang Tonghe Electronic Technology Co., Ltd. is a high-tech enterprise dedicated to technological innovation, product innovation, and management innovation in the power electronics industry. It integrates R&D, manufacturing, sales, and service in the power electronics sector, providing customers with comprehensive energy solutions. -
ProductAfter more than two decades of rapid development, the company has established an industrial pattern covering three major business sectors: new energy, smart grid and aerospace. Its sales network covers more than 30 provinces, municipalities and autonomous regions nationwide, and its products are sold to overseas markets, winning high recognition from customers at home and abroad.
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PartnerIn the future, the company will continue to uphold its corporate mission of “embracing an entrepreneurial spirit, focusing on power electronics, efficiently utilizing energy, and serving global users,” while adhering to the core values of “contribution, mutual benefit, gratitude, efficiency, and innovation” to provide users with high-quality products and services.
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BlogsCommunicate with sincerity and courageously take responsibility; keep the customer at the center of our focus, continuously optimize the company’s management systems and processes, consistently identify and meet customer needs, deliver and enhance customer value, and maintain the company’s rapid growth.
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Join usThe company consistently upholds a talent philosophy centered on “people first,” actively fostering an atmosphere of respect, understanding, integrity, and friendliness. We provide a robust platform for talent development, enabling our employees to become powerful pillars of the company’s sustained growth and achieving mutual growth and shared success between the company and its talents.
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InvestorDisclose information relevant to investors’ decision-making in a truthful, accurate, complete, timely, and fair manner; strengthen communication and engagement with investors; and enhance and improve investor relations management.
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ContactWith a spirit of self-respect, self-reliance, and relentless self-improvement, coupled with an open mind, we focus on customer needs based on continuous learning and absorption. We dare to take risks, keep exploring, and steadily build management models and technological products that reflect our unique characteristics.
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Split-Type Power Supply System TH-HVDC-240336
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Product Introduction
The TH-HVDC-240/336 series high-voltage DC power supply system is a high-voltage DC (HVDC) solution developed by Tonghe Technology specifically to meet the DC power supply requirements of telecommunications operators and data centers of Internet enterprises. It complies with the industry standards YD/T 2378 and YD/T 3089, as well as the national standard GB/T 38833, and has obtained TLC certification.
The system has a nominal voltage of 240 V/336 V, with a maximum capacity of 720 kW per cabinet; each module delivers 30 kW, and a single cabinet can accommodate up to 24 modules. The modules employ high-frequency soft-switching technology and incorporate next-generation SiC semiconductors, ensuring high efficiency. A double-sided potting process further enhances reliability, surpassing industry standards. The system is equipped with a 10-inch touchscreen monitoring interface and supports multiple host‑computer communication protocols, including Modbus/TCP, YD/T 1363.3, and HTTP, to meet backend integration requirements. It features a modular cabinet architecture, with separate cabinets for AC, rectification, and DC distribution, achieving a high degree of prefabrication to facilitate rapid project delivery. Users can flexibly select configurations of varying capacities based on their specific project needs.Product Features
·Flexible configuration—modular design to meet diverse capacity requirements, supporting multiple underlying data acquisition schemes and enabling flexible adjustments.
·Rapid delivery – high degree of prefabrication ensures swift delivery; easy installation and commissioning enable rapid deployment.
·Energy-efficient and high-performance—featuring a system sleep‑mode management strategy, with peak system efficiency exceeding 97% -
Project Parameter Metrics System capacity 720kW System Input 380 VAC (-15% to +20%, 3W+PE), 45 Hz to 55 Hz System Model TH-HVDC-240 TH-HVDC-336 Nominal voltage 240 VDC 336 VDC DC output 240VDC / 2400A 336 VDC / 1800 A Output voltage range 200 ~ 300 VDC 290 ~ 400 VDC Rectifier module model TH240H100NZ-A-2 TH336H75NZ-A-2 Number of modules per cabinet Up to 24 units System efficiency ≥ 97% Voltage regulation accuracy ≤ ±0.5% Power factor ≥ 0.99 Parallel operation current imbalance degree ≤ ±5% System cabinet dimensions 2400*800*2000 (W*D*H, in mm)
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Dedicated to providing customers with customized system energy solutions.