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Transformer and Reactor

Transformer and Reactor
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Transformer and Reactor

Product catalog summary
Company Overview:
Wah Hing Transformer Mfy. Ltd, founded in 1998, is ISO9001:2015 and ISO14001:2015 certified, holding several patents and UL approvals for its products.
Product Categories:
  • Transformers: Includes various types such as isolating, rectifier, inverter output, and high-frequency transformers, each designed for specific applications like commercial air conditioning and locomotive systems.
  • Reactors: Covers a range of reactors for applications in photovoltaic systems, wind power, EV charging stations, and more, each tailored for specific electrical environments.
Technical Specifications:
  • Isolation Transformer: Used for isolation and grounding in low-voltage systems, customizable in size and efficiency, with a voltage rating up to 1200V and power up to 2000KVA.
  • Rectifier Transformer: Designed to convert power side voltage for rectifying systems, with similar voltage and power ratings.
  • Inverter Output Transformer: Provides electrical isolation for UPS inverter outputs.
  • Charging High-Frequency Isolation Transformer: Used in charging stations, with a DC800V rating and frequency of 20KHz.
Standards and Compliance:
Products adhere to standards like GB1094.11 for dry transformers and GB19212 for power transformer safety.
General Specifications for Reactors:
  • Fundamental Frequency: 50/60Hz
  • Switching Frequency: 1.5KHz-6KHz
  • Work Environment: Suitable up to 3000m altitude, temperature range -25 to 55°C.
  • Insulation Class: F/H class
  • Protection Grade: IP00, customizable
Specific Reactor Types:
  • Wind Power Reactor: Limits voltage rise in wind power converters.
  • UPS Reactor: Used in high power UPS systems.
  • Boost Reactor for EV: Applied in electric vehicles for DC-DC chopper boost applications.
Product Introduction:
Introduces a three-phase in series tuning reactor for power quality improvement, reducing harmonic pollution and enhancing power factor.
Technical Parameters:
Operates at a maximum voltage of 1200V and rated current of 500A, suitable for environments up to 3000m, with a temperature range of -25 to 55°C.
Application Fields:
Applicable in wind power, photovoltaic power generation, charging piles, rail traffic, and UPS systems.
Contact Information:
Manufacturers include Wah Hing Transformer Mfy. Ltd and Dongguan Huaxin Electronics Co., Ltd, located in Dongguan, Guangdong, China.
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Catalog excerpts

Transformer and Reactor-1

WAH HING TRANSFORMER MFY. LTD Dongguan Huaxin Electronics Co., Ltd

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Transformer and Reactor-2

Company profile 1.Company Seniority:It was founded in 1998 2.Company qualification: ISO9001:2015 (Certificate NO.:6912-1995-AQ-RGC-RvA) ISO14001:2015(Certificate NO.:0103-2002-AE-RGC-RvA)

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Transformer and Reactor-3

Isolating transformer Rectifier transformer Phase-shifting rectifier transformer Inverter output transformer 06----- Charging high frequency isolating transformer 07----- Locomotive auxiliary system transformer 08----- Commercial air conditioning control transformer 09----- Pin type transformer 10----- High frequency transformer 11----- Toroidal transformer Reactor 12----- Photovoltaic (PV) reactor 13----- Wind power reactor 14----- Uninterruptible power supply reactor 15----- Input reactor 16----- Output reactor 17----- DC flat wave reactor 18----- Four quadrant inverter energy feedback reactor...

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Transformer and Reactor-4

Isolating transformer Transformer Product Introduction: Isolation transformer is mainly used in low-voltage distribution system, providing isolation between load and power supply. Isolation transformer in TT distribution system can prevent electric shock, protect all connected equipment from insulation damage, and provide neutral connection to form isolation and grounding Technical parameters: Rated working voltage: Rated power: Work environment: 1200V Max 50/60Hz 2000KVA Max Height above sea level :≤3000m,Above 3000m can be used for derating The environment temperature:-25~55℃ Insulation class:...

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Transformer and Reactor-5

Rectifier transformer Product Introduction: Technical Parameters: Connected to an AC/DC power converter to convert the supply side voltage to the DC voltage required by the load and provide electrical isolation between the load and the power side Schematic diagram

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Phase-shifting rectifier transformer Product Introduction: Phase-shifting rectifier transformer is used for the rectifier side of the converter, Converts the power side voltage to the voltage required by the rectifying system and provides isolation between the rectifier and the grid, Reduce the waveform distortion caused by the rectifier system to the power grid pollution,Using multiphase rectifier circuit and converter technology, improve the pulse number of rectifier equipment, can improve the power factor, phase shift mode, star Angle phase shift, zigzag line phase shift, hexagon phase shift...

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Transformer and Reactor-7

Inverter output transformer Product Introduction: The inverter output transformer converts the UPS inverter output voltage to the required load voltage and provides electrical isolation between the load and the UPS. An inductive transformer is connected to the output of the pulse width modulation power inverter, and the integrated inductor is combined with the capacitance of the output terminal to function as a filter and restore the sinusoidal waveform of the output voltage. Technical parameters:

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Transformer and Reactor-8

EPS inverter transformer Product introduction: EPS power transformer is a kind of special isolation transformer, because its input power source is ac power source which is inverted, therefore, the content of harmonic components is high, ordinary isolation transformer can not be used in this situation. In addition, EPS power professional transformer working hours are agreed. EPS power transformer is characterized by high input impedance, that is, large leakage inductance. EPS power transformer can be divided into single-phase and three-phase series Technical parameters: Rated working voitage:

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Transformer and Reactor-9

Charging high frequency isolation transformer Product introduction: The high frequency isolating transformer of charging station is mainly used to transform voltage and isolate high frequency harmonics. Technical parameters: Rated working voltage: Working frequency: Rated capacity: Insulation class: Hi-pot: Insulation resistance: Protect grade: Winding material: Magnetic core material: 10KVA-30KVA F/H class Primary - secondary, core - winding 3000Vac 50Hz 60s, no damage Primary - secondary, core and winding 1000 VDC is more than 100 m Ω IP00,According to customer requirements Copper/Aluminum...

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Transformer and Reactor-10

Locomotive auxiliary system transformer Product Introduction: Technical parameters: Rated working :

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Transformer and Reactor-11

Dongguan Huaxin Electronics Cojti Commercial air conditioning control transformer Rated working voltage: Schematic diagram

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Transformer and Reactor-12

Pin type transformer Transformer Product introduction: Pin type transformer is also called pin insert fire cattle. Pin insert is used to weld the primary and secondary windings of the transformer. Installed on the circuit board, transformer output provides power supply in the circuit, mainly used for various small appliances, control circuit board, etc. Technical parameters: Rated working voltage: Rated power: Work environment: Height above sea level :≤3000m,Above 3000m can be used for derating The environment temperature:-25~55℃ Insulation class: Primary - secondary, core - winding 3500Vac 50Hz...

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Transformer and Reactor-13

High frequency transformer Transformer Product introduction: High frequency transformer is the power transformer whose working frequency exceeds intermediate frequency (10kHz), mainly used as high frequency switching power transformer in high frequency switching power supply, and also used as high frequency inverter power supply transformer in high frequency inverter power supply and high frequency inverter welder. It is an important part for energy storage and transmission. It should have the characteristics of small leakage inductance, small distributed coil capacitance, and small coupling...

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Transformer and Reactor-14

Toroid transformer Product introduction: Toroid transformer is mainly used as power transformer and isolation transformer, and has been widely used in various high-end audio equipment, professional stage power amplifier, public broadcasting, testing instruments, medical equipment machinery, mechanical equipment, lighting industry, inverter and other application fields. Its main advantages are lower radiation field, lower noise and higher efficiency0 Technical parameters: Rated working voltage: Schematic diagram

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Transformer and Reactor-15

Reactor Product introduction: Photovoltaic reactor is photovoltaic inverter reactor. Solar photovoltaic power generation system USES solar photovoltaic modules to convert solar energy into direct current energy, and then inverts direct current into alternating current through inverter. The main purpose is to suppress the influence of high frequency harmonics in dc-ac transformation on the power grid, reduce the harmonic current, and make the inverter output AC current meet the requirements of grid connection.„ Technical parameters. : Rated working voltage: Schematic diagram

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