Description

We designed this 700A 780V caustic soda rectifier specifically for caustic soda electrolysis and other demanding processes requiring reliable high-voltage DC power.

Thanks to silicon carbide (SiC) components, it reaches efficiency levels around 96–97%, lowering your power consumption during long-term operation.

Each unit can supply up to 60kW, and offers both air and water cooling options to fit various industrial setups.

Applications

› Caustic soda (NaOH) production via ion membrane electrolysis

› Hydrogen and chlorine gas generation systems

› Electrochemical processing plants

› High-voltage DC power supply for industrial loadsarbon tube furnace, graphitization furnace, melting furnace and other heating, electrolytic water hydrogen production and other large current fields.

Technology Advantages

› Modular Flexibility: Simplifies scaling up for large systems

› Energy Savings: Exceptional efficiency lowers operating costs

› Easy Maintenance: Modules can be replaced individually

› Thermal Flexibility: Works reliably in various cooling environments

› Better ROI: Lower total cost of ownership than SCR systems

Cooling Type

Air Cooling:Heat dissipation fan + air duct + comb heat sink

Water Cooling：Built-in water circulation l

Technical Parameters

Attribute type	Parameter items		Technical requirements
Input characteristics	Rated input voltage		Three-phase AC 380V ± 10% 50HzIn line with the national power quality standards
	Rated input current		AC 877A
	Rated input power		578KVA
	Rated input power factor		COSΦ≥0.95
Output characteristics	Output voltage		DC 780V adjustable
	Output current		DC 700A adjustable
	Steady current precision		≤1%
	Steady voltage precision		≤1%
	Display accuracy		1A, 0.01V
	Rated output efficiency		≥96%
Cooling Method	Air or Water Cooling
Insulation characteristics	Insulation resistance		Input-output: ≥ 5MΩ
			Input-chassis: ≥ 5MΩ
			Output-chassis; ≥5MΩ
Protection characteristics	It has self-protection function under abnormal conditions such as overvoltage, overcurrent, overload, short circuit and overheat
Other characteristics	Noise	≤75dB
	Operating status	Continuous full load operation of the product
	Load grade	Grade II
	Insulation grade of transformer	Class B

Solution

Liyuan will keep up with the world’s latest technology closely, and uphold the concept of providing customers with high-quality power supplies and professional integrated services.

With advanced design and rich experience in rectifier manufacturing, we will provide the best power solutions as well as the most stable and efficient power supply for users both at home and abroad.

Technical Capability

LIYUAN rectifier is the most competitive brand in China

Company relies on strong technology research and development cooperation basis, created a number of advanced technology, in recent 3 years amounted to more than 30 to apply for a patent, which has nearly 10 patents of invention.

Equipped with the national electric power transformation and control engineering technology research center (branch), and has set up a loan enterprise academician workstation.

Strict implementation of ISO quality management system, and through the CE safety certification, has been implementing ERP management for many years, to achieve the network, systematic computer control, the formation of a standard, efficient modern management system.

Qualification certification

Liyuan adhere to innovation and the continuous improvement of power conversion efficiency and product quality.

The increasing R&D investment every year, and cooperation with China’s well-known universities, we has established the research center of national electric power conversion and control engineering technology.

Especially the related core patents of high-power synchronous rectifier power supply, stay ahead of the whole industry in China.

The ISO 9001 quality management system has been fully implemented in Liyuan, including quality inspection of components in warehouse, production process inspection, and final product inspection.

We adopt advanced scientific quality management system and the most stringent testing methods in the whole process to ensure the stability and reliability of products.

Service

› Packing

1.Small size rectifier packing in carton box separately.

2.Large size rectifier will be packed in wooden case.

3.We guarantee that all the packing is intact when it reaches its destination.

› Shipping

1.30-45 Days after payment.

2.Transport: DHL, FEDEX, UPS, Air shipping, Boat shipping

3.You may choose our shipping partner or your own partner.

› Maintenance

We are pleasant to share our theory and experience on equipment maintenance with users.

We are pleasant to interact with users to collect their tips and know-hows on equipment maintenance.

The module “Maintenance” here is intended to help users solve various problems they possibly encounter during equipment maintenance…

If you require caustic soda rectifiers in other specifications, we can customize the design to match your exact needs. Please feel free to contact us for more details.

Looking for the factory price of a 700A 780V caustic soda rectifier? Liyuan Haina Rectifier, a professional manufacturer with 27+ years specializing in industrial rectifiers, supplies global clients including the United States, Sweden, Netherlands, Italy, Spain, South Africa, Russia, Germany, Japan, South Korea, Malaysia, etc. Our advanced factory delivers cost-effective Made-in-China solutions, with competitive prices and customizable options. Contact us for sales inquiries.

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