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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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Headquarters address:
No. 350, Lijiang Road, Shijiazhuang High-tech Zone
TH230D40NZ-6
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- Description
- Parameters
- Application
- Product Info
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Rectifier / Charging module
3 phase input: 380VAC
Output: 190-300VDC
Fan cooling
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TH230D40NZ-6 Input voltage 3 phase 380VAC（-15%～+20%） Input frequency 45～55Hz Range of output voltage 176～300VDC Current-limit setting range 4～42A Efficiency Peak efficiency≥93% Power factor Full load≥0.98 Harmonic current Half load ≤8%，full load ≤5% Stabilized voltage precision ≤±0.5% Stabilized current precision ≤±1% Peak-ripple factor ≤1% Noise Rated noise ≤60dB Current sharing imbalance for modules in parallel ≤±3% Soft start time 3～8S Storage temperature -25～+60℃ Woking temperature -10～+40℃ Heat dissipation mode of module Compulsory fan cooling Automatic current limiting characteristics When the output current exceeds the output current limit setting value, the output current will be constant and the output current will not increase. Over output voltage protection With hardware and software dual overvoltage protection Output short circuit protection characteristics When the output is short-circuited, the module will automatically rewind to prevent damage, and will automatically resume operation after the fault is eliminated. Dielectric strength Input to shell 2100VAC 1 minute
leakage current ≤10mA no breakdown, no electric arcing.Output to shell 2100VAC 1 minute leakage current ≤10mA no breakdown, no electric arcing. Input to output 2100VAC 1 minute leakage current ≤10mA
no breakdown, no electric arcing.Insulation resistance ≥10MΩ（1000V insulation meter test） The EMC characteristics of module TH230D40NZ-6 are as below.
(1) Immunity of interference
ESD: GB/T 17626.2, level 4.
RS (Radiated susceptibility): GB/T 17626.3, level 3.
ETF (Electrical fast transient): GB/T 17626.4, level 4.
Surge: GB/T 17626.5, level 3.
CS (Conducted susceptibility): GB/T 17626.6, level 3.
PMS (Power-frequency magnetic susceptibility): GB/T 17626.8, level 4.
Damped oscillatory magnetic field immunity: GB/T 17626.10, level 4.
Oscillatory wave immunity: GB/T 17626.12, level 3.(2) Electromagnetic emission limit
The conducted emission limits are shown in the table belowFrequency range/MHz Emission limit /dB(μV) Quasi-peak value Mean value 0.15～0.5 （does not include 0.5） 79 66 0.5～30 73 60 Radiated emission limits are shown in the table below.
Frequency range/MHz RE limits at 10m measurement distance /dB(μV/m) Quasi-peak value 30～230 40 230～1 000 （does not include 230） 47 -
For Power System：
DC Operating Power Supply: Provides highly reliable DC power for relay protection, automatic devices, circuit breaker opening and closing, etc. in power plants and substations, and is the key to safe operation of power stations.
Intelligent Battery Management: Adopts N+1 redundant modular design with online hot-swappable functionality. Performs intelligent charge/discharge management of backup battery banks, effectively extending their service life.
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Dedicated to providing customers with customized system energy solutions.