Capacitor Compensation Switchgear

Capacitor Compensation Switchgear

This Capacitor compensation switchgear covers a wide current range from AC57.1A to AC476A and adopts advanced thyristor dynamic switching technology with a response time of less than 5ms. After compensation, the system power factor can remain above 0.98, while harmonic suppression performance reaches THDi ≤5%, making it highly suitable for impact loads such as welding machines, large motors, and variable frequency equipment.
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Description
Technical Parameters

Product Description

 

With 42 years of experience in high and low voltage electrical equipment manufacturing, we independently develop and produce Capacitor compensation switchgear (SVC low voltage reactive power compensation cabinet), specially designed to solve problems such as low power factor, excessive electricity charges, and voltage fluctuations in industrial plants, photovoltaic power stations, and port facilities.

 

This Capacitor compensation switchgear covers a wide current range from AC57.1A to AC476A and adopts advanced thyristor dynamic switching technology with a response time of less than 5ms. After compensation, the system power factor can remain above 0.98, while harmonic suppression performance reaches THDi ≤5%, making it highly suitable for impact loads such as welding machines, large motors, and variable frequency equipment.

 

Our factory owns a complete automated electrical assembly production line and professional testing center. Each unit completes strict quality control procedures including incoming component inspection, complete power aging tests, and harmonic performance verification. Key processes such as power frequency withstand testing and functional performance inspection are fully controlled, and any non-conforming products are returned for rework.

product-350-287

 

All finished products undergo 100% factory inspection with complete test reports retained. Our production system complies with ISO14001 environmental management certification, while all electrical components meet RoHS 2.0 and REACH environmental requirements. We have long provided OEM manufacturing support for leading electrical brands and exported products in large quantities to renewable energy projects in Southeast Asia and the Middle East.

According to feedback from overseas distributors, this Capacitor compensation switchgear can reduce monthly reactive power penalties by approximately 30% for industrial customers, with a service life exceeding 10 years under normal operating conditions, providing significantly better performance than conventional compensation cabinets.

Our professional R&D team continuously optimizes control algorithms and can customize integrated filtering and compensation solutions for high-harmonic environments and three-phase unbalanced loads. Unlike ordinary suppliers that only provide standard cabinets, we can adjust switching strategies according to different grid conditions and 50/60Hz power standards, helping overseas distributors build stronger market competitiveness.

Designed for global electrical distributors, renewable energy contractors, and industrial power system integrators, our SVC series Capacitor compensation switchgear provides comprehensive OEM and ODM customization services.

Customers only need to provide site power test reports, installation drawings, and application requirements. Our engineering team can develop customized solutions based on actual grid conditions. The minimum order quantity is only 1 unit, and customized samples can be developed within 1–3 months. Trial units can also be provided for field testing under agreed cooperation conditions.

Before production, our technical engineers provide free reactive power loss analysis and compensation capacity calculation, together with detailed technical documents. During manufacturing, customers can request real production photos and inspection videos to track progress. Large engineering projects can also arrange factory supervision services.

All equipment includes an 18-month warranty from the shipping date. Our dedicated after-sales department works together with technical engineers to provide overseas support. If cabinet bodies or capacitor modules are damaged during transportation, replacement solutions can be arranged directly.

Third-party inspection before shipment is supported according to confirmed technical requirements, ensuring product quality before delivery.

With a monthly production capacity of 50,000 complete electrical units, we maintain inventory for standard SVC compensation cabinets. Standard models can be shipped within 5 working days, while customized filtering and compensation integrated cabinets can be delivered within 7–15 days.

Mixed orders with different current specifications are supported, and large-volume purchasing customers can receive flexible pricing solutions. From design and customization to manufacturing, inspection, export packaging, and after-sales service, we provide complete solutions for overseas electrical partners.

 

Specifications

 

Item

Standard Parameter

Product Model

SVC-AC57.1A ~ SVC-AC476A

Rated Operating Voltage

AC380V/400V (690V Customized Available)

Compensation Response Time

≤5ms

Target Power Factor

≥0.98

Harmonic Suppression Capability

THDi ≤5%

Switching Component

Contactless Thyristor Module

Protection Grade

IP30 (Outdoor upgrade IP54)

Applicable Standards

IEC61642, RoHS2.0, REACH

 

Applications

 

  • Reactive power compensation systems for chemical, metallurgy, textile, and mechanical manufacturing plants
  • Power factor correction systems for photovoltaic, wind power, and energy storage substations
  • Large motor load compensation solutions for ports, terminals, and logistics parks
  • Commercial buildings, hospitals, data centers, and EV charging station power systems
  • Overseas mining sites, oil & gas platforms, and ship shore power applications

 

Customization Capability

 

Operating Condition Customization

Additional filter reactors can be integrated for high harmonic environments and three-phase unbalanced loads, providing dynamic and static hybrid compensation solutions.

 
 

Specification Customization

Capacitor capacity and output current levels can be adjusted according to different grid voltage and frequency requirements.

 
 

Electrical & Appearance Customization

Customer logos, multilingual control interfaces, and remote 4G monitoring modules can be added according to project requirements.

 
 

Mixed Order Support

Different current specifications from 57.1A to 476A can be combined within one order of Capacitor compensation switchgear.

 
 

Component Customization

International brand capacitors, controllers, and electrical components can be selected to meet CE and overseas certification requirements.

 

 

Packaging & Shipping

 

Internal Protection
Capacitor modules and controllers are separately packed with moisture-proof and anti-static protection. Cabinet interiors are secured with protective foam, and copper busbars receive anti-rust treatment.

 

Export Packaging
Reinforced fumigated wooden cases are used with metal corner protection. Each package includes international shipping marks for moisture protection and lifting instructions.

 

Logistics Solution
Domestic shipping is available. Export orders can be arranged under FOB port terms. Packaging materials comply with international environmental requirements.

 

Damage Protection
Products are reinforced before shipment. In case of transportation damage, replacement components or complete cabinet replacement can be provided.

 

FAQ

 

Q1: Do you offer free samples of this Capacitor compensation switchgear?

A: Sample supply can be negotiated. Free samples are available under agreed cooperation conditions.

Q2: Can you produce customized SVC cabinets based on our technical drawings?

A: Yes. Our R&D team can fully develop products according to customer drawings and on-site application requirements.

Q3: What after-sales support can you provide for overseas agents?

A: We have an independent after-sales department and professional technical team to solve product quality issues and arrange replacement services for damaged cargo during transportation.

 

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