Product Description

Our reactive power compensation cabinet is designed to improve the operating quality of low-voltage electrical systems by supplying controlled capacitive reactive power near the load. In facilities with motors, transformers, welding equipment, pumps, compressors, and other inductive loads, a low power factor can increase current, occupy transformer and cable capacity, and create avoidable losses in the distribution network. The reactive power compensation cabinet monitors the system condition and switches compensation steps according to the selected control logic, helping the installation maintain a more appropriate power factor under changing load. The SVC cabinet can be engineered with contactor switching, thyristor switching, or a combined approach, depending on response speed, load fluctuation, and harmonic conditions. Capacitor, reactor, controller, fuse, breaker, and ventilation selections are coordinated as one system. This is important because simply adding capacitors without considering harmonics or switching frequency may create resonance, overheating, or shortened component life. Our design process therefore begins with the electrical data available from the customer, including transformer capacity, load type, current profile, target power factor, harmonic content, and available cabinet space.

17815059205483

The reactive power compensation cabinet is manufactured in our source factory with the same disciplined cabinet fabrication and inspection process used for our distribution equipment. The SVC configuration shown for this product uses an AC 476 A / 57.1 A current arrangement, subject to final engineering confirmation. We can customize compensation steps, controller functions, capacitor and reactor brands, enclosure dimensions, cooling, communication, and alarm outputs. Our factory has an independent R&D team and maintains cooperation with research institutes and universities, supporting continuous development in electrical control and application technology. During production, components are verified against the approved bill of materials, wiring is checked, mechanical operation is tested, and the complete cabinet undergoes 100% inspection before packing. Inspection records can be supplied, and third-party inspection is accepted against an agreed technical standard. For distributors, the reactive power compensation cabinet can also be supplied with OEM branding, local-language labels, and project-specific documentation. The result is not a generic capacitor box, but a coordinated power-quality cabinet intended to fit the actual load profile and operating environment of the customer.

Specifications

Parameter	Specification
Model / Series	SVC low-voltage reactive power compensation cabinet
System Function	Automatic reactive power compensation and power-factor improvement
Current Configuration	AC 476 A / 57.1 A, subject to final design
Control Method	Automatic stepped control; contactor, thyristor, or hybrid switching available
Core Components	Controller, capacitors, reactors, switching devices, protection, and ventilation
Harmonic Design	Detuned reactor and filtering configuration available after harmonic assessment
Monitoring Options	Power factor, current, step status, alarm, temperature, and communication functions

Applications

Factories with Motor Loads

Compensation for motors, pumps, fans, compressors, conveyors, and production lines.

Commercial Buildings

Power-factor correction for HVAC, elevators, pumps, lighting, and mixed building loads.

Utilities and Water Projects

Compensation in pumping stations, treatment plants, and public service facilities.

Renewable and Distributed Energy

Power-quality support for auxiliary systems and project-specific low-voltage networks.

Quality Control

The cabinet is produced under a defined quality-control file. Component ratings, capacitor and reactor matching, wiring, protection settings, step operation, temperature control, and alarm functions are checked before release.

Every unit receives 100% final inspection. Test and inspection records can be prepared for the buyer's technical file.

Customization Capability

OEM/ODM support includes compensation capacity, number of steps, switching technology, harmonic detuning, controller brand, communication protocol, enclosure size, and panel layout.

Sample or prototype development can be arranged by agreement, with a normal development period of one to three months for new custom designs.